View Monthly Charts

The following tables present IEM computed monthly data summaries based on daily data provided by or computed for the IEM. A download interface exists for the daily summary information. The climatology is provided by the nearest NCEI climate station () within the current 1991-2020 dataset.

To load shown data into Microsoft Excel, highlight the table information with your mouse and then copy/paste into Excel.

Precipitation Totals [inch]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1963	0.00	0.00	0.00	0.00	0.00	M	0.00	M	M	M	M	0.00
1964	M	M	M	0.00	M	0.00	0.00	M	M	0.00	0.00	0.00
1965	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M
1966	M	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1967	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	0.00
1968	0.00	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1969	M	M	M	M	M	M	M	M	M	M	M	M
1970	M	M	M	M	M	M	M	M	M	M	M	M
1971	M	M	M	M	M	M	M	M	M	M	M	M
1972	M	M	M	M	M	M	M	M	M	M	M	M
1973	0.00	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1974	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M
1975	M	M	M	M	M	M	M	0.00	M	M	M	0.00
1976	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1977	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1978	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1979	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1980	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1981	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1982	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1983	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1984	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1985	0.00	0.00	0.00	0.00	0.00	M	0.00	0.00	0.00	0.00	0.00	0.00
1986	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1987	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1988	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1989	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1990	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	7.17	0.00	0.00	0.00
1991	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1992	0.00	0.00	0.04	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1993	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1994	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1995	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1996	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1997	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.20	0.00	0.00
1998	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1999	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2000	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2001	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2002	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2003	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	0.00	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
2026	M	M	M	M	M	M	M	M	M	M	M	M

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1963	M	M	M	M	M	M	M	M	M	M	M	M
1964	M	M	M	M	M	M	M	M	M	M	M	M
1965	M	M	M	M	M	M	M	M	M	M	M	M
1966	M	M	M	M	M	7.8	4.0	M	M	M	M	M
1967	M	M	M	M	M	M	6.0	M	M	M	M	M
1968	M	M	M	M	M	M	9.4	M	M	9.9	3.0	M
1969	M	M	M	M	M	M	M	M	M	M	M	M
1970	M	M	M	M	M	M	M	M	M	M	M	M
1971	M	M	M	M	M	M	M	M	M	M	M	M
1972	M	M	M	M	M	M	M	M	M	M	M	M
1973	M	M	M	M	11.1	7.4	M	M	M	11.9	22.0	13.1
1974	M	13.6	7.5	15.5	M	M	M	M	M	M	M	M
1975	M	M	M	M	M	M	M	M	M	M	M	M
1976	M	10.6	7.8	8.5	M	10.3	9.3	11.0	11.8	9.2	8.6	7.7
1977	8.9	12.8	12.2	8.9	8.4	9.7	11.2	8.9	8.0	9.4	9.1	9.7
1978	10.3	10.9	6.3	5.9	5.9	6.7	9.1	9.3	7.3	8.8	7.7	11.3
1979	7.6	4.8	4.7	5.8	4.4	6.7	6.0	5.5	5.0	4.6	5.2	5.3
1980	7.6	4.6	3.5	5.2	4.3	4.2	4.2	3.2	5.2	5.9	6.8	6.3
1981	4.4	10.9	4.4	4.0	4.7	2.8	5.8	3.5	4.8	4.9	7.0	4.7
1982	5.6	7.2	M	0.3	5.9	3.8	4.8	1.8	2.3	5.2	2.5	M
1983	4.2	M	6.1	5.6	5.6	1.2	10.8	M	M	M	7.6	4.2
1984	2.5	12.5	10.9	10.6	9.1	7.6	11.6	8.7	10.1	7.4	M	8.8
1985	11.1	9.6	9.0	8.9	M	M	M	M	3.6	6.5	7.0	5.7
1986	6.0	9.7	6.0	5.4	5.1	6.7	3.8	6.9	8.9	5.7	7.7	8.9
1987	12.0	9.0	6.4	5.9	7.4	6.6	7.0	5.8	7.7	7.1	8.0	8.4
1988	8.3	9.3	6.1	9.0	6.0	4.6	7.0	6.0	8.3	9.9	9.2	7.0
1989	7.4	6.2	5.8	7.7	4.8	5.9	7.1	5.2	8.4	10.5	8.0	6.2
1990	9.9	6.9	9.1	5.8	6.6	7.9	6.9	7.2	7.2	7.1	8.6	6.4
1991	4.8	7.2	6.7	5.0	5.5	4.7	5.9	5.4	5.4	5.8	7.1	7.8
1992	10.9	7.7	2.5	1.3	5.7	5.6	6.7	6.3	6.6	7.4	4.7	5.3
1993	7.5	9.6	6.0	6.1	7.6	5.2	5.7	8.8	8.1	6.4	5.8	8.6
1994	6.0	10.6	4.2	4.8	4.5	4.7	9.0	6.1	3.2	5.0	4.2	6.0
1995	6.6	5.6	5.6	6.9	3.8	3.1	4.4	5.3	5.1	4.6	6.6	5.0
1996	5.8	7.5	5.3	4.6	5.0	2.8	3.9	7.3	9.7	5.3	5.9	10.2
1997	6.9	8.6	5.8	5.3	2.4	5.3	4.0	4.3	10.3	6.2	6.4	6.7
1998	6.8	6.2	7.4	3.3	3.6	3.8	3.9	1.7	10.2	5.0	5.3	M
1999	M	M	M	M	M	M	M	12.7	M	M	M	M
2000	M	M	M	M	M	M	M	M	M	M	M	M
2001	M	M	M	M	M	M	M	M	M	1.1	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	3.9	1.3	M	M	M	6.1
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	M	M	M	M	8.9	13.2	16.6	11.8	13.5	15.3	14.4
2008	12.8	12.3	11.5	13.6	11.4	12.2	11.2	11.9	11.2	15.9	12.1	15.1
2009	16.1	16.0	13.0	11.1	M	M	M	M	M	M	9.0	17.2
2010	16.3	12.8	10.0	13.3	12.2	12.4	15.8	12.7	11.9	14.4	15.6	11.7
2011	15.8	15.4	13.6	15.1	12.8	13.9	12.4	12.4	10.5	12.6	11.3	16.9
2012	12.4	13.7	17.6	16.5	14.7	16.3	15.5	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	M	M	M	14.1	14.8	15.2	12.7	12.6
2019	16.1	16.3	15.5	11.9	11.7	11.7	17.0	15.4	18.6	11.3	13.4	15.4
2020	17.4	16.4	10.8	14.6	11.7	14.8	12.2	14.0	11.8	7.7	11.7	10.9
2021	12.3	12.0	10.7	11.9	11.0	11.9	8.6	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	12.5	11.7	10.9	12.8	12.5	13.5	22.5
2024	16.3	14.8	15.7	12.9	13.0	14.0	15.0	9.8	10.9	12.1	11.4	15.2
2025	12.4	15.7	15.1	12.0	8.7	13.4	15.5	13.3	31.2	M	M	M
2026	M	M	9.6	22.0	M	M	10.3	12.7	10.0	10.8	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1963	70.50	69.50	68.00	68.00	63.50	M	58.00	M	M	M	M	67.00
1964	M	M	M	68.00	M	58.50	58.60	M	M	60.50	65.00	67.20
1965	M	74.00	71.00	69.00	64.70	62.75	59.38	56.86	57.00	55.00	M	M
1966	M	M	66.00	65.00	63.58	59.00	58.69	55.43	57.00	56.00	61.22	63.57
1967	M	69.25	66.86	67.89	68.00	61.00	56.89	58.60	57.00	M	M	66.00
1968	71.67	M	68.00	66.00	63.67	59.60	60.05	57.91	59.83	58.62	65.14	68.00
1969	M	M	M	M	M	M	M	M	M	M	M	M
1970	M	M	M	M	M	M	M	M	M	M	M	M
1971	M	M	M	M	M	M	M	M	M	M	M	M
1972	M	M	M	M	M	M	M	M	M	M	M	M
1973	64.00	M	67.33	63.20	62.74	60.18	56.71	57.33	57.80	61.00	62.41	64.43
1974	69.22	66.36	68.67	64.91	64.70	59.55	55.88	57.17	57.67	M	M	M
1975	M	M	M	M	M	M	M	54.00	M	M	M	66.75
1976	72.00	68.58	65.67	64.73	62.33	59.13	57.69	57.27	57.96	59.62	63.62	69.33
1977	72.31	70.28	68.86	67.41	66.36	63.75	58.00	58.54	61.62	61.52	63.68	65.79
1978	68.68	70.16	68.79	66.19	66.83	61.90	62.15	58.03	60.24	61.48	64.83	64.68
1979	70.04	68.29	67.43	65.45	63.94	59.21	60.18	60.74	58.48	60.30	62.63	66.52
1980	69.98	72.36	70.73	64.17	64.15	61.41	58.32	59.00	58.29	59.03	60.85	67.30
1981	69.29	68.59	68.38	67.06	63.61	60.18	59.67	57.69	58.26	58.78	60.65	63.67
1982	70.16	68.69	68.55	67.44	62.83	61.30	59.01	59.22	60.13	60.22	60.09	67.25
1983	70.01	70.15	67.13	65.87	61.56	58.27	57.50	58.71	56.75	59.93	64.45	67.35
1984	70.24	70.47	68.62	64.97	60.27	56.48	57.40	55.72	57.58	60.38	59.89	64.17
1985	69.48	69.05	66.31	63.97	61.00	M	57.50	57.00	58.85	59.37	62.17	64.69
1986	67.84	68.82	67.13	66.20	63.74	60.47	59.15	59.79	58.62	61.90	61.99	65.83
1987	69.00	70.32	70.77	66.52	61.74	61.99	58.42	58.41	58.19	61.09	63.41	67.18
1988	68.28	69.30	70.61	66.89	62.70	60.99	57.40	57.11	56.82	59.28	62.86	65.89
1989	70.09	71.21	68.40	65.77	62.94	61.51	58.64	58.40	56.01	59.06	63.62	69.20
1990	69.30	69.22	67.81	64.71	62.78	59.84	58.77	58.41	60.34	59.13	60.50	64.62
1991	69.00	69.19	67.04	66.14	63.50	60.55	58.40	57.29	59.69	57.28	63.15	65.98
1992	67.39	68.63	70.43	65.56	61.57	58.96	55.79	56.67	57.59	59.22	62.40	66.96
1993	70.13	70.92	71.85	65.71	62.22	61.00	57.20	57.28	57.39	59.79	63.53	64.62
1994	69.67	68.25	70.25	65.85	63.57	61.97	59.20	56.54	60.60	59.90	64.14	67.93
1995	68.36	68.38	67.74	65.51	64.08	61.72	56.56	57.46	57.65	59.18	60.37	67.97
1996	68.00	68.29	69.67	65.77	63.51	59.47	59.44	57.90	58.51	60.73	65.07	66.60
1997	71.33	67.31	67.80	67.82	65.49	60.13	58.76	58.90	58.10	58.54	61.29	64.21
1998	67.13	66.70	67.67	65.41	64.77	60.49	58.07	56.61	57.77	59.97	62.41	65.50
1999	66.69	67.76	65.96	63.30	61.57	59.29	56.93	57.60	57.80	58.48	63.46	65.38
2000	68.93	69.00	66.87	63.23	61.52	59.76	56.57	58.29	57.00	58.23	61.41	67.06
2001	70.58	71.14	66.90	64.15	61.48	59.69	58.50	56.41	56.27	58.53	61.55	66.90
2002	69.75	69.00	69.04	63.50	61.66	57.30	56.93	57.73	58.21	59.59	61.50	65.36
2003	69.03	69.60	68.32	67.00	63.28	63.16	59.17	58.37	59.14	61.26	63.66	65.45
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	67.48	M	M	M	57.15	56.66	54.07	57.75	59.66	61.00	63.41
2008	69.36	71.74	69.61	66.24	63.99	60.36	60.39	58.81	58.96	59.39	63.10	66.22
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	68.70	69.44	68.42	64.56	63.62	58.57	53.51	50.00	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	60.80
2016	62.60	66.20	60.80	M	64.40	57.20	M	53.60	M	58.10	59.00	60.80
2017	M	68.60	65.60	66.20	M	59.00	53.60	51.80	M	M	M	M
2018	M	M	M	M	M	M	M	55.40	56.77	57.68	61.60	63.31
2019	64.94	66.84	64.73	63.37	60.67	57.40	56.51	56.08	53.88	58.86	61.92	65.12
2020	66.63	67.29	67.68	65.43	61.66	58.06	56.53	54.54	55.70	58.77	60.55	64.11
2021	65.92	66.59	67.32	64.61	60.63	58.35	54.20	57.20	53.60	56.12	57.80	61.60
2022	64.04	62.60	63.32	60.80	M	60.80	M	M	65.30	62.60	62.60	63.50
2023	69.80	69.44	65.30	M	58.70	58.40	58.23	57.11	56.17	56.62	59.00	60.64
2024	66.06	69.27	67.54	64.34	58.10	58.20	54.02	53.60	55.76	57.05	61.74	63.64
2025	68.72	69.86	68.18	65.24	61.84	58.67	57.20	57.01	56.93	57.20	58.64	62.34
2026	65.63	66.71	67.03	62.60	61.22	57.84	57.93	57.83	56.92	58.36	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1963	64.75	64.75	62.67	58.00	54.50	M	53.25	M	M	M	M	60.00
1964	M	M	M	55.00	M	53.50	52.60	M	M	54.92	60.09	63.00
1965	M	65.50	64.67	58.00	59.30	59.25	54.00	51.86	52.50	48.00	M	M
1966	M	M	61.00	58.22	58.25	52.50	52.85	50.29	55.00	51.43	55.67	58.43
1967	M	62.25	62.29	61.67	60.00	57.00	52.33	51.40	52.00	M	M	63.00
1968	63.67	M	62.29	56.67	58.83	52.40	52.63	52.18	53.42	53.38	58.14	59.00
1969	M	M	M	M	M	M	M	M	M	M	M	M
1970	M	M	M	M	M	M	M	M	M	M	M	M
1971	M	M	M	M	M	M	M	M	M	M	M	M
1972	M	M	M	M	M	M	M	M	M	M	M	M
1973	61.00	M	62.00	57.20	56.42	53.09	52.71	53.00	50.60	53.56	55.94	58.81
1974	60.67	61.43	61.42	58.73	58.70	55.55	49.50	50.83	51.33	M	M	M
1975	M	M	M	M	M	M	M	52.00	M	M	M	59.25
1976	60.33	62.21	59.05	58.00	54.89	50.80	51.81	49.91	50.32	53.67	56.03	60.10
1977	61.76	62.88	62.46	59.38	58.20	54.46	49.46	52.36	52.10	54.13	55.82	59.14
1978	61.94	61.64	62.72	60.19	60.63	56.17	58.37	52.37	53.97	54.55	57.62	60.25
1979	62.11	61.10	61.29	59.65	57.74	54.76	53.18	54.90	52.28	53.93	56.52	60.74
1980	63.78	65.47	63.84	58.14	57.37	55.71	53.03	52.15	52.21	53.41	55.25	60.10
1981	62.61	62.11	62.70	60.66	57.52	54.04	53.99	52.84	49.05	53.00	55.40	58.34
1982	63.63	63.33	62.82	61.08	56.82	55.66	55.00	51.86	53.08	54.46	55.29	60.75
1983	64.25	64.00	61.80	59.61	55.79	53.80	54.04	52.00	50.58	54.71	58.46	62.66
1984	64.88	63.88	62.79	59.83	55.67	52.27	50.92	49.85	53.33	54.98	55.84	59.79
1985	63.58	63.36	61.98	58.86	57.75	M	54.00	52.00	51.39	54.48	56.72	59.05
1986	62.13	63.30	61.30	59.24	57.43	55.13	53.80	53.85	52.64	55.02	55.49	58.90
1987	62.14	63.77	62.65	60.03	56.08	54.74	52.98	51.65	52.04	55.28	58.07	60.95
1988	62.37	62.40	63.21	60.46	56.59	54.40	50.57	51.26	50.11	52.91	56.48	59.87
1989	64.32	64.84	61.82	60.07	55.33	55.96	52.73	50.55	50.56	53.12	55.74	61.26
1990	63.63	63.59	62.40	59.06	55.62	53.20	51.73	53.58	53.14	53.88	55.05	58.88
1991	62.16	63.58	60.58	58.65	57.29	52.52	52.46	50.78	51.75	51.79	57.01	59.18
1992	63.02	62.04	63.30	58.68	54.18	52.58	50.59	50.49	51.38	52.49	56.39	59.13
1993	63.60	63.40	63.60	58.30	55.67	53.90	51.17	50.90	51.89	53.99	56.65	59.48
1994	61.93	62.60	61.43	58.99	56.72	55.26	53.57	50.50	52.91	54.57	57.56	60.96
1995	62.84	61.96	61.70	60.26	56.22	54.51	50.88	51.10	51.50	52.69	55.20	60.77
1996	62.26	63.14	62.55	58.97	56.95	51.92	53.26	52.42	52.80	53.67	57.19	60.78
1997	63.92	61.14	61.14	61.85	56.90	54.83	52.76	50.85	52.14	52.78	56.11	59.30
1998	62.10	61.71	61.50	57.13	58.00	53.29	52.97	51.28	52.37	55.47	57.32	60.97
1999	61.85	63.04	60.64	57.57	56.22	53.96	51.39	52.04	52.77	54.00	58.71	60.85
2000	63.59	63.00	61.33	57.65	55.84	55.03	50.97	52.11	51.79	53.23	56.30	62.13
2001	64.68	64.86	62.30	59.23	56.24	54.28	53.93	50.19	51.20	54.08	56.97	61.90
2002	63.82	63.07	61.65	57.83	56.31	51.56	51.24	51.67	51.46	52.48	56.86	59.68
2003	63.62	63.32	62.56	58.21	56.56	58.76	52.08	52.28	52.64	55.32	58.21	60.16
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	62.35	M	M	M	49.53	52.28	48.73	49.99	52.54	55.26	56.95
2008	62.38	64.53	63.19	60.05	57.36	54.39	53.68	52.86	50.39	54.36	55.84	60.63
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	63.80	64.69	64.00	60.55	60.57	56.00	51.23	50.00	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	58.40
2016	62.60	66.20	60.80	M	64.40	57.20	M	53.60	M	58.10	59.00	60.80
2017	M	68.60	65.60	65.30	M	59.00	53.60	51.80	M	M	M	M
2018	M	M	M	M	M	M	M	51.08	53.02	52.98	56.87	59.26
2019	60.08	61.96	60.80	59.00	57.33	54.07	53.32	52.61	50.42	53.60	57.57	61.28
2020	62.97	63.05	63.69	61.40	58.49	54.93	53.82	51.41	52.20	54.70	56.46	59.58
2021	62.18	62.37	62.79	60.66	57.37	55.73	50.60	55.40	52.57	55.76	57.50	59.00
2022	62.96	62.60	62.96	60.80	M	60.80	M	M	65.30	55.40	62.60	63.50
2023	69.80	69.08	64.70	M	58.40	58.10	56.30	53.41	53.00	52.59	54.47	56.26
2024	61.88	64.60	63.06	60.12	54.65	54.93	51.66	50.69	51.87	52.77	57.49	59.14
2025	64.16	64.85	63.44	60.74	59.35	57.04	55.87	54.78	55.58	56.35	58.10	61.91
2026	64.97	65.81	64.26	61.46	59.97	57.46	55.33	52.74	53.46	54.95	M	M

Average Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1963	67.62	67.12	65.33	63.00	59.00	M	55.62	M	M	M	M	63.50
1964	M	M	M	61.50	M	56.00	55.60	M	M	57.71	62.55	65.10
1965	M	69.75	67.83	63.50	62.00	61.00	56.69	54.36	54.75	51.50	M	M
1966	M	M	63.50	61.61	60.92	55.75	55.77	52.86	56.00	53.71	58.44	61.00
1967	M	65.75	64.57	64.78	64.00	59.00	54.61	55.00	54.50	M	M	64.50
1968	67.67	M	65.14	61.33	61.25	56.00	56.34	55.05	56.62	56.00	61.64	63.50
1969	M	M	M	M	M	M	M	M	M	M	M	M
1970	M	M	M	M	M	M	M	M	M	M	M	M
1971	M	M	M	M	M	M	M	M	M	M	M	M
1972	M	M	M	M	M	M	M	M	M	M	M	M
1973	62.50	M	64.67	60.20	59.58	56.64	54.71	55.17	54.20	57.28	59.18	61.62
1974	64.94	63.89	65.04	61.82	61.70	57.55	52.69	54.00	54.50	M	M	M
1975	M	M	M	M	M	M	M	53.00	M	M	M	63.00
1976	66.17	65.39	62.36	61.37	58.61	54.97	54.75	53.59	54.14	56.65	59.83	64.72
1977	67.03	66.58	65.66	63.40	62.28	59.11	53.73	55.45	56.86	57.82	59.75	62.47
1978	65.31	65.90	65.76	63.19	63.73	59.03	60.26	55.20	57.10	58.02	61.22	62.46
1979	66.07	64.69	64.36	62.55	60.84	56.98	56.68	57.82	55.38	57.12	59.57	63.63
1980	66.88	68.92	67.29	61.16	60.76	58.56	55.68	55.58	55.25	56.22	58.05	63.70
1981	65.95	65.35	65.54	63.86	60.57	57.11	56.83	55.26	53.66	55.89	58.02	61.01
1982	66.89	66.01	65.68	64.26	59.82	58.48	57.01	55.54	56.61	57.34	57.69	64.00
1983	67.13	67.08	64.46	62.74	58.68	56.03	55.77	55.36	53.67	57.32	61.46	65.01
1984	67.56	67.18	65.70	62.40	57.97	54.37	54.16	52.78	55.46	57.68	57.87	61.98
1985	66.53	66.20	64.14	61.41	59.38	M	55.75	54.50	55.12	56.93	59.45	61.87
1986	64.98	66.06	64.22	62.72	60.59	57.80	56.47	56.82	55.63	58.46	58.74	62.37
1987	65.57	67.05	66.71	63.28	58.91	58.37	55.70	55.03	55.11	58.18	60.74	64.06
1988	65.33	65.85	66.91	63.67	59.64	57.70	53.98	54.19	53.47	56.09	59.67	62.88
1989	67.21	68.03	65.11	62.92	59.14	58.74	55.69	54.48	53.28	56.09	59.68	65.23
1990	66.46	66.41	65.11	61.88	59.20	56.52	55.25	55.99	56.74	56.51	57.77	61.75
1991	65.58	66.39	63.81	62.39	60.39	56.54	55.43	54.03	55.72	54.53	60.08	62.58
1992	65.21	65.34	66.87	62.12	57.87	55.77	53.19	53.58	54.48	55.86	59.39	63.04
1993	66.87	67.16	67.73	62.00	58.94	57.45	54.19	54.09	54.64	56.89	60.09	62.05
1994	65.80	65.43	65.84	62.42	60.15	58.61	56.38	53.52	56.75	57.24	60.85	64.44
1995	65.60	65.17	64.72	62.88	60.15	58.11	53.72	54.28	54.58	55.94	57.79	64.37
1996	65.13	65.71	66.11	62.37	60.23	55.69	56.35	55.16	55.65	57.20	61.13	63.69
1997	67.62	64.22	64.47	64.83	61.19	57.48	55.76	54.87	55.12	55.66	58.70	61.76
1998	64.62	64.21	64.58	61.27	61.39	56.89	55.52	53.94	55.07	57.72	59.86	63.23
1999	64.27	65.40	63.30	60.43	58.89	56.62	54.16	54.82	55.28	56.24	61.09	63.12
2000	66.26	66.00	64.10	60.44	58.68	57.40	53.77	55.20	54.39	55.73	58.85	64.60
2001	67.63	68.00	64.60	61.69	58.86	56.98	56.21	53.30	53.73	56.31	59.26	64.40
2002	66.79	66.04	65.35	60.67	58.98	54.43	54.09	54.70	54.84	56.03	59.18	62.52
2003	66.33	66.46	65.44	62.61	59.92	60.96	55.62	55.32	55.89	58.29	60.93	62.80
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	64.91	M	M	M	53.34	54.47	51.40	53.87	56.10	58.13	60.18
2008	65.87	68.14	66.40	63.14	60.67	57.38	57.04	55.83	54.68	56.88	59.47	63.43
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	66.25	67.06	66.27	62.56	62.09	57.29	52.37	50.00	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	59.60
2016	62.60	66.20	60.80	M	64.40	57.20	M	53.60	M	58.10	59.00	60.80
2017	M	68.60	65.60	65.75	M	59.00	53.60	51.80	M	M	M	M
2018	M	M	M	M	M	M	M	53.24	54.90	55.33	59.23	61.28
2019	62.51	64.40	62.77	61.19	59.00	55.73	54.92	54.34	52.15	56.23	59.75	63.20
2020	64.80	65.17	65.69	63.41	60.07	56.50	55.17	52.97	53.95	56.73	58.51	61.84
2021	64.05	64.48	65.05	62.63	59.00	57.04	52.40	56.30	53.09	55.94	57.65	60.30
2022	63.50	62.60	63.14	60.80	M	60.80	M	M	65.30	59.00	62.60	63.50
2023	69.80	69.26	65.00	M	58.55	58.25	57.26	55.26	54.59	54.61	56.73	58.45
2024	63.97	66.93	65.30	62.23	56.38	56.57	52.84	52.15	53.82	54.91	59.61	61.39
2025	66.44	67.36	65.81	62.99	60.59	57.85	56.53	55.90	56.25	56.77	58.37	62.13
2026	65.30	66.26	65.65	62.03	60.59	57.65	56.63	55.28	55.19	56.65	M	M

Average Relative Humidity [%]

This value is computed via a simple average of available observations weighted by the duration between observations.

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1963	M	M	M	M	M	M	M	M	M	M	M	M
1964	M	M	M	M	M	M	M	M	M	M	M	M
1965	M	M	M	M	M	M	M	M	M	M	M	M
1966	M	M	M	M	M	75.0%	85.1%	M	M	M	M	M
1967	M	M	M	M	M	M	83.7%	M	M	M	M	M
1968	M	M	M	M	M	M	74.3%	M	M	61.6%	67.6%	M
1969	M	M	M	M	M	M	M	M	M	M	M	M
1970	M	M	M	M	M	M	M	M	M	M	M	M
1971	M	M	M	M	M	M	M	M	M	M	M	M
1972	M	M	M	M	M	M	M	M	M	M	M	M
1973	M	M	M	M	82.2%	75.7%	M	M	M	73.2%	71.0%	80.9%
1974	M	79.8%	74.3%	68.7%	M	M	M	M	M	M	M	M
1975	M	M	M	M	M	M	M	M	M	M	M	M
1976	M	75.0%	65.5%	79.9%	M	73.6%	85.6%	74.3%	76.1%	69.7%	73.1%	73.3%
1977	66.5%	65.4%	67.8%	70.3%	71.4%	73.3%	71.3%	72.3%	67.6%	68.4%	60.4%	68.9%
1978	66.1%	68.3%	71.0%	74.6%	75.8%	79.9%	79.8%	67.5%	74.8%	69.9%	72.0%	71.0%
1979	70.8%	71.0%	72.5%	70.7%	79.1%	73.8%	81.9%	81.8%	76.2%	76.6%	72.1%	72.5%
1980	80.2%	75.5%	72.7%	74.9%	79.9%	82.6%	81.6%	76.7%	75.6%	69.8%	73.6%	75.8%
1981	73.6%	75.3%	80.1%	82.2%	84.3%	82.2%	87.8%	83.5%	75.3%	78.7%	77.4%	76.5%
1982	76.7%	63.1%	M	71.7%	77.8%	70.0%	72.7%	56.6%	68.5%	65.5%	61.8%	M
1983	69.1%	M	63.4%	61.5%	69.7%	68.8%	75.6%	M	M	M	73.3%	76.8%
1984	71.5%	64.3%	59.3%	72.5%	72.6%	76.5%	77.1%	76.1%	83.4%	82.2%	M	69.2%
1985	73.7%	72.4%	72.4%	67.3%	M	M	M	M	82.9%	72.9%	76.8%	72.2%
1986	71.5%	74.8%	70.4%	78.1%	76.1%	82.5%	81.6%	80.8%	77.1%	78.5%	72.9%	75.0%
1987	71.7%	72.7%	71.8%	71.2%	70.2%	69.7%	74.5%	73.5%	70.7%	71.9%	68.0%	68.6%
1988	67.3%	72.7%	71.9%	73.6%	77.1%	80.0%	76.5%	76.7%	76.6%	74.7%	74.9%	74.7%
1989	72.4%	78.2%	76.4%	76.8%	81.5%	83.0%	80.3%	82.6%	78.3%	76.2%	71.3%	73.0%
1990	72.7%	71.7%	71.8%	76.1%	76.5%	80.5%	80.4%	81.1%	75.5%	73.3%	73.2%	76.1%
1991	72.4%	78.0%	72.7%	78.5%	78.0%	77.7%	78.1%	73.6%	75.0%	69.0%	72.1%	71.2%
1992	78.5%	71.7%	76.1%	77.5%	76.8%	79.5%	74.9%	82.6%	79.3%	71.6%	78.3%	73.9%
1993	77.3%	74.4%	76.8%	81.5%	77.8%	83.1%	80.1%	78.8%	77.9%	74.0%	74.5%	75.3%
1994	72.5%	79.1%	76.9%	77.7%	81.1%	81.1%	82.0%	76.2%	81.6%	79.4%	72.2%	69.8%
1995	69.3%	71.0%	79.0%	76.5%	84.2%	82.4%	81.1%	79.4%	78.9%	78.7%	79.8%	80.1%
1996	78.9%	79.0%	79.0%	78.5%	79.7%	81.0%	86.1%	80.1%	77.9%	76.0%	72.8%	71.6%
1997	77.5%	72.6%	77.1%	78.6%	82.3%	81.9%	81.2%	79.3%	75.2%	72.9%	70.7%	73.6%
1998	72.1%	71.6%	68.8%	75.7%	80.6%	79.9%	82.4%	81.8%	78.2%	84.8%	75.8%	M
1999	M	M	M	M	M	M	M	67.6%	M	M	M	M
2000	M	M	M	M	M	M	M	M	M	M	M	M
2001	M	M	M	M	M	M	M	M	M	87.9%	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	75.2%	81.5%	M	M	M	74.4%
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	M	M	M	M	75.8%	76.8%	68.9%	76.0%	72.9%	69.7%	69.0%
2008	71.2%	72.8%	70.4%	70.1%	76.1%	77.8%	78.7%	75.7%	70.6%	69.4%	69.7%	71.0%
2009	67.0%	68.2%	71.5%	72.0%	M	M	M	M	M	M	62.5%	66.2%
2010	63.0%	69.1%	73.9%	71.3%	71.8%	75.7%	72.8%	75.7%	73.2%	71.5%	68.2%	69.2%
2011	67.3%	66.8%	68.0%	72.3%	75.6%	75.1%	74.1%	73.8%	72.6%	69.6%	67.0%	68.1%
2012	77.7%	74.7%	75.5%	73.6%	81.2%	81.7%	81.4%	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	M	M	M	79.6%	79.9%	74.7%	77.3%	73.7%
2019	73.8%	78.5%	76.1%	77.4%	79.1%	81.2%	82.2%	81.0%	77.3%	73.9%	74.0%	74.6%
2020	73.3%	73.9%	78.0%	75.5%	84.1%	73.8%	81.0%	77.1%	79.3%	70.6%	73.0%	72.9%
2021	72.2%	73.8%	77.3%	81.7%	76.0%	79.8%	72.0%	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	73.8%	86.9%	74.8%	75.5%	71.7%	70.2%	75.2%
2024	75.2%	76.0%	77.9%	73.8%	71.3%	80.8%	79.5%	74.6%	75.9%	76.6%	73.3%	72.6%
2025	73.8%	74.6%	72.6%	72.9%	71.4%	75.1%	85.4%	87.4%	77.8%	M	M	M
2026	M	M	75.0%	73.4%	M	M	86.5%	79.7%	80.9%	83.8%	M	M

Monthly Plots

Select month and year:

Sep 2026

JanFebMarAprMayJunJulAugSepOctNovDec 19351936193719381939194019411942194319441945194619471948194919501951195219531954195519561957195819591960196119621963196419651966196719681969197019711972197319741975197619771978197919801981198219831984198519861987198819891990199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026

Nov 2026