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
1956	M	M	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1957	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1958	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1959	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1960	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1961	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1962	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1963	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1964	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1965	M	M	M	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1966	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1967	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1968	0.00	0.00	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	0.00	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	0.00	M	M	M	M	M	M	M	M	M	M
1976	M	M	0.00	M	M	M	M	M	M	M	M	0.00
1977	M	M	0.00	M	M	M	M	M	M	0.00	0.00	0.00
1978	0.00	0.00	0.00	0.00	0.00	M	0.00	0.00	0.00	M	M	M
1979	M	M	M	M	M	M	M	M	M	M	M	M
1980	M	0.00	M	M	M	M	M	M	M	M	M	M
1981	M	M	M	M	M	M	M	M	M	M	M	M
1982	M	M	M	M	M	M	M	M	M	M	M	M
1983	M	M	M	M	M	M	M	M	M	M	M	M
1984	M	M	M	M	M	M	M	M	M	M	M	M
1985	M	M	M	M	M	M	M	M	M	M	M	M
1986	M	M	M	M	M	M	M	M	M	M	M	M
1987	M	M	M	M	M	M	M	M	M	M	M	M
1988	M	M	M	M	M	M	M	M	M	M	M	M
1989	M	M	M	M	M	M	M	M	M	M	M	M
1990	M	M	M	M	M	M	M	M	M	M	M	M
1991	M	M	M	M	M	M	M	M	M	M	M	M
1992	M	M	M	M	M	M	M	M	M	M	M	M
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	M	M	M	M	M	M	M	M	M	M	M
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	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	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	0.00	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
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	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	M	M	M	M	M	M	M	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	0.00	0.00	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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1956	M	M	M	M	M	M	M	M	M	M	M	M
1957	M	M	M	M	M	2.9	4.8	4.0	4.5	4.0	3.4	3.4
1958	3.3	5.8	5.0	M	M	M	M	M	M	M	M	5.4
1959	M	M	M	M	M	M	M	M	M	M	M	M
1960	M	M	M	M	M	M	M	M	M	M	M	M
1961	M	M	M	M	M	M	M	M	M	M	M	M
1962	M	M	M	M	M	M	M	M	M	M	M	M
1963	M	M	M	M	4.4	M	M	4.0	4.4	4.3	4.6	5.9
1964	4.6	5.3	5.1	4.4	5.1	4.2	6.1	4.8	4.8	3.9	4.4	4.3
1965	M	M	M	M	6.2	5.6	5.2	6.0	6.7	4.9	4.9	6.1
1966	5.3	5.7	4.1	4.6	5.2	5.4	5.4	5.2	5.7	5.4	4.4	3.9
1967	5.0	6.2	3.2	4.5	4.2	5.6	6.0	4.2	4.3	4.0	3.3	3.8
1968	4.3	3.0	2.5	3.9	3.4	3.4	3.6	4.0	4.7	3.5	M	3.9
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	M	M	M	M	M	M	M	3.8
1974	M	M	M	M	M	3.4	M	M	10.8	M	M	M
1975	M	M	M	M	M	M	M	M	M	M	M	M
1976	M	M	M	M	M	M	M	M	M	M	M	M
1977	M	M	M	M	M	M	M	M	M	M	M	M
1978	M	M	M	M	M	M	M	M	M	M	M	M
1979	M	M	M	M	M	M	M	M	M	M	M	M
1980	M	M	M	M	M	M	M	M	M	M	M	M
1981	M	M	M	M	M	M	M	M	M	M	M	M
1982	M	M	M	M	M	M	M	M	M	M	M	M
1983	M	M	M	M	M	M	M	M	M	M	M	M
1984	M	M	M	M	M	M	M	M	M	M	M	M
1985	M	M	M	M	M	M	M	M	M	M	M	M
1986	M	M	M	M	M	M	M	M	M	M	M	M
1987	M	M	M	M	M	M	M	M	M	M	M	M
1988	M	M	M	M	M	M	M	M	M	M	M	M
1989	M	M	M	M	M	M	M	M	M	M	M	M
1990	M	M	M	M	M	M	M	M	M	M	M	M
1991	M	M	M	M	M	M	M	M	M	M	M	M
1992	M	M	M	M	M	M	M	M	M	M	M	M
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	M	M	M	M	M	M	M	M	M	M	M
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	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	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
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	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	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	10.1	9.0	6.9	4.7	6.1	5.4	4.8	5.3
2015	6.3	5.9	4.2	4.9	6.7	3.7	3.5	2.7	4.0	4.6	4.6	5.4
2016	5.7	5.5	5.0	5.5	4.9	5.3	5.8	4.4	5.0	5.0	5.5	5.3
2017	5.1	5.2	5.9	6.1	6.3	7.7	4.8	4.9	6.9	6.4	5.7	5.4
2018	6.6	6.2	6.9	6.0	4.1	7.2	8.0	5.0	6.5	5.5	4.5	5.6
2019	6.0	4.7	5.6	5.0	5.4	6.1	4.8	4.6	4.3	6.1	5.6	6.6
2020	6.9	6.1	5.9	5.8	6.4	6.6	7.2	5.8	6.6	7.1	6.3	7.7
2021	7.8	9.4	6.5	8.6	6.9	4.6	7.0	3.7	5.3	4.6	5.3	5.4
2022	6.9	6.5	5.5	5.1	6.1	M	M	M	M	M	6.5	1.3
2023	M	M	M	M	M	M	2.1	2.5	6.5	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

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1956	M	M	M	77.87	81.42	80.31	81.80	82.77	83.68	81.19	78.17	79.86
1957	79.00	82.08	79.54	80.40	81.88	81.90	82.84	83.23	83.37	79.97	79.90	78.65
1958	82.13	85.00	81.68	81.92	82.59	81.68	82.00	82.04	84.65	81.15	78.18	80.04
1959	79.28	79.83	81.04	81.29	80.88	81.00	81.00	84.31	82.57	81.56	78.45	79.48
1960	78.44	79.56	78.61	78.59	79.92	80.39	80.65	84.68	81.65	80.00	78.54	79.25
1961	79.92	77.58	80.33	79.36	81.36	80.30	80.81	83.19	81.92	78.15	76.84	78.48
1962	80.08	80.36	78.96	78.40	80.38	82.04	82.74	82.84	83.23	80.84	78.67	80.10
1963	80.16	82.54	80.84	79.70	80.61	81.77	83.00	84.97	84.60	79.77	78.17	80.90
1964	81.32	81.10	81.42	81.53	82.71	82.53	81.71	83.29	83.50	80.65	77.93	77.58
1965	M	M	M	M	81.76	82.50	83.10	82.72	82.41	80.83	79.11	79.07
1966	80.86	80.04	79.90	80.31	82.90	82.22	82.87	81.56	81.96	80.64	79.11	78.71
1967	78.63	80.42	78.17	80.17	80.46	80.75	80.60	81.97	81.59	78.80	76.69	78.93
1968	79.43	77.92	78.26	78.15	80.42	80.25	81.62	83.54	82.64	79.67	75.00	81.25
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	79.75	79.33	78.25	76.50	83.00	80.75	77.50	81.25	80.80	77.00	77.91	76.86
1974	78.67	78.71	78.33	76.38	79.13	81.00	78.25	74.67	79.29	M	M	M
1975	M	79.00	M	M	M	M	M	M	M	M	M	M
1976	M	M	82.00	M	M	M	M	M	M	M	M	77.00
1977	M	M	82.00	M	M	M	M	M	M	79.00	76.00	79.25
1978	79.00	88.00	84.00	80.00	81.75	M	82.25	80.00	88.00	M	M	M
1979	M	M	M	M	M	M	M	M	M	M	M	M
1980	M	82.00	M	M	M	M	M	M	M	M	M	M
1981	M	M	M	M	M	M	M	M	M	M	M	M
1982	M	M	M	M	M	M	M	M	M	M	M	M
1983	M	M	M	M	M	M	M	M	M	M	M	M
1984	M	M	M	M	M	M	M	M	M	M	M	M
1985	M	M	M	M	M	M	M	M	M	M	M	M
1986	M	M	M	M	M	M	M	M	M	M	M	M
1987	M	M	M	M	M	M	M	M	M	M	M	M
1988	M	M	M	M	M	M	M	M	M	M	M	M
1989	M	M	M	M	M	M	M	M	M	M	M	M
1990	M	M	M	M	M	M	M	M	M	M	M	M
1991	M	M	M	M	M	M	M	M	M	M	M	M
1992	M	M	M	M	M	M	M	M	M	M	M	M
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	M	M	M	M	M	M	M	M	M	M	M
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	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	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	79.00	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
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	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	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	71.60	M	M	M	81.72	80.30	78.25	79.74	79.89	80.99	80.18	78.26
2015	78.68	78.94	78.68	79.93	81.18	77.48	80.83	80.43	82.21	81.35	80.75	78.92
2016	80.72	79.55	80.60	79.55	80.68	77.45	80.11	80.27	81.97	79.84	79.65	78.47
2017	78.96	80.60	79.81	79.05	79.14	79.19	77.53	79.11	78.59	78.80	77.84	78.73
2018	78.49	80.05	81.08	80.28	82.09	81.38	81.08	81.14	83.37	79.10	82.16	76.10
2019	81.47	80.03	82.04	81.54	82.98	80.90	81.59	82.57	83.53	80.27	78.37	80.42
2020	79.79	80.47	82.52	80.02	82.98	83.04	82.28	82.21	82.10	81.93	79.48	79.55
2021	80.54	81.15	79.85	80.93	81.33	82.83	82.58	82.40	81.98	84.86	80.18	77.73
2022	79.96	79.62	81.32	79.92	81.50	72.91	M	M	M	60.80	77.00	80.60
2023	77.00	M	M	M	M	74.00	81.68	78.67	77.90	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

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1956	M	M	M	64.00	60.31	53.88	53.24	56.50	60.64	63.54	65.46	64.05
1957	64.38	64.92	64.69	64.84	60.92	54.29	55.48	57.94	62.37	63.74	64.80	64.97
1958	65.42	64.18	65.48	65.17	59.19	53.91	52.08	55.46	60.73	64.31	64.77	64.54
1959	65.60	65.38	65.54	65.68	63.42	55.24	55.41	58.19	62.13	63.70	64.77	64.93
1960	64.85	64.36	64.35	64.48	60.12	56.30	52.23	57.72	62.62	64.44	65.25	65.17
1961	65.23	64.50	65.22	65.04	62.92	55.22	54.88	55.96	62.56	64.15	64.32	64.57
1962	63.69	65.14	64.76	65.12	58.54	55.57	54.59	57.45	60.97	64.19	64.90	64.97
1963	65.10	64.93	64.81	64.30	60.48	54.93	55.68	57.23	62.90	63.90	63.70	64.06
1964	65.32	64.83	65.23	65.13	60.35	54.53	53.29	56.61	60.20	63.29	63.90	63.94
1965	M	M	M	M	58.84	58.00	55.00	58.40	62.85	65.08	64.93	64.57
1966	64.90	65.15	64.73	64.23	61.68	56.81	55.90	58.85	62.23	64.11	64.82	65.13
1967	65.00	65.38	64.97	65.21	61.29	58.61	54.83	57.94	61.96	63.77	64.48	64.07
1968	64.71	64.36	64.22	64.58	61.81	54.29	53.88	58.85	62.68	63.67	65.25	63.25
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	65.50	67.33	68.25	63.67	65.25	57.25	53.25	59.50	62.30	67.86	64.45	62.14
1974	65.67	65.00	64.00	65.25	61.13	55.62	55.75	57.67	59.57	M	M	M
1975	M	66.00	M	M	M	M	M	M	M	M	M	M
1976	M	M	72.00	M	M	M	M	M	M	M	M	68.00
1977	M	M	66.00	M	M	M	M	M	M	66.00	66.67	66.50
1978	72.00	63.33	68.00	62.50	60.00	M	56.00	62.50	61.00	M	M	M
1979	M	M	M	M	M	M	M	M	M	M	M	M
1980	M	66.00	M	M	M	M	M	M	M	M	M	M
1981	M	M	M	M	M	M	M	M	M	M	M	M
1982	M	M	M	M	M	M	M	M	M	M	M	M
1983	M	M	M	M	M	M	M	M	M	M	M	M
1984	M	M	M	M	M	M	M	M	M	M	M	M
1985	M	M	M	M	M	M	M	M	M	M	M	M
1986	M	M	M	M	M	M	M	M	M	M	M	M
1987	M	M	M	M	M	M	M	M	M	M	M	M
1988	M	M	M	M	M	M	M	M	M	M	M	M
1989	M	M	M	M	M	M	M	M	M	M	M	M
1990	M	M	M	M	M	M	M	M	M	M	M	M
1991	M	M	M	M	M	M	M	M	M	M	M	M
1992	M	M	M	M	M	M	M	M	M	M	M	M
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	M	M	M	M	M	M	M	M	M	M	M
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	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	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	67.00	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
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	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	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	71.60	M	M	M	76.33	68.30	65.37	64.06	66.52	67.16	67.34	67.04
2015	66.02	67.93	64.71	73.32	71.02	64.88	60.63	59.52	60.43	63.82	64.92	64.90
2016	65.02	64.25	65.56	65.37	64.63	65.41	60.47	60.06	65.70	66.48	66.11	64.07
2017	67.43	65.81	64.54	64.07	65.86	63.54	58.93	62.37	64.08	65.04	65.56	69.40
2018	67.50	64.12	66.02	66.84	68.81	64.04	64.40	61.58	69.38	67.20	70.52	69.39
2019	69.57	69.89	68.50	71.37	71.15	63.62	64.69	66.90	69.00	67.87	68.14	67.46
2020	68.99	70.06	67.42	68.00	68.58	63.50	62.43	64.03	65.06	68.00	68.87	68.70
2021	68.87	69.45	68.75	69.39	71.33	68.87	68.54	68.72	70.58	73.34	71.84	70.80
2022	70.25	71.75	72.86	72.72	72.63	69.64	M	M	M	60.80	72.25	73.14
2023	74.60	M	M	M	M	66.20	70.34	65.81	67.10	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

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1956	M	M	M	70.93	70.87	67.10	67.52	69.63	72.16	72.37	71.81	71.95
1957	71.69	73.50	72.12	72.62	71.40	68.10	69.16	70.58	72.87	71.85	72.35	71.81
1958	73.77	74.59	73.58	73.54	70.89	67.80	67.04	68.75	72.69	72.73	71.48	72.29
1959	72.44	72.60	73.29	73.48	72.15	68.12	68.20	71.25	72.35	72.63	71.61	72.20
1960	71.65	71.96	71.48	71.54	70.02	68.35	66.44	71.20	72.13	72.22	71.90	72.21
1961	72.58	71.04	72.78	72.20	72.14	67.76	67.85	69.58	72.24	71.15	70.58	71.52
1962	71.88	72.75	71.86	71.76	69.46	68.80	68.67	70.15	72.10	72.52	71.78	72.53
1963	72.63	73.73	72.82	72.00	70.55	68.35	69.34	71.10	73.75	71.84	70.93	72.48
1964	73.32	72.97	73.32	73.33	71.53	68.53	67.50	69.95	71.85	71.97	70.92	70.76
1965	M	M	M	M	70.30	70.25	69.05	70.56	72.63	72.96	72.02	71.82
1966	72.88	72.59	72.32	72.27	72.29	69.52	69.38	70.20	72.10	72.38	71.96	71.92
1967	71.82	72.90	71.57	72.69	70.88	69.68	67.72	69.95	71.78	71.28	70.59	71.50
1968	72.07	71.14	71.24	71.37	71.11	67.27	67.75	71.19	72.66	71.67	70.12	72.25
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	72.62	73.33	73.25	70.08	74.12	69.00	65.38	70.38	71.55	72.43	71.18	69.50
1974	72.17	71.86	71.17	70.81	70.13	68.31	67.00	66.17	69.43	M	M	M
1975	M	72.50	M	M	M	M	M	M	M	M	M	M
1976	M	M	77.00	M	M	M	M	M	M	M	M	72.50
1977	M	M	74.00	M	M	M	M	M	M	72.50	71.33	72.88
1978	75.50	75.67	76.00	71.25	70.88	M	69.12	71.25	74.50	M	M	M
1979	M	M	M	M	M	M	M	M	M	M	M	M
1980	M	74.00	M	M	M	M	M	M	M	M	M	M
1981	M	M	M	M	M	M	M	M	M	M	M	M
1982	M	M	M	M	M	M	M	M	M	M	M	M
1983	M	M	M	M	M	M	M	M	M	M	M	M
1984	M	M	M	M	M	M	M	M	M	M	M	M
1985	M	M	M	M	M	M	M	M	M	M	M	M
1986	M	M	M	M	M	M	M	M	M	M	M	M
1987	M	M	M	M	M	M	M	M	M	M	M	M
1988	M	M	M	M	M	M	M	M	M	M	M	M
1989	M	M	M	M	M	M	M	M	M	M	M	M
1990	M	M	M	M	M	M	M	M	M	M	M	M
1991	M	M	M	M	M	M	M	M	M	M	M	M
1992	M	M	M	M	M	M	M	M	M	M	M	M
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	M	M	M	M	M	M	M	M	M	M	M
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	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	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	73.00	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
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	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	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	71.60	M	M	M	79.03	74.30	71.81	71.90	73.21	74.08	73.76	72.65
2015	72.35	73.43	71.69	76.63	76.10	71.18	70.73	69.97	71.32	72.59	72.84	71.91
2016	72.87	71.90	73.08	72.46	72.66	71.43	70.29	70.17	73.83	73.16	72.88	71.27
2017	73.20	73.20	72.18	71.56	72.50	71.37	68.23	70.74	71.34	71.92	71.70	74.07
2018	73.00	72.08	73.55	73.56	75.45	72.71	72.74	71.36	76.38	73.15	76.34	72.75
2019	75.52	74.96	75.27	76.45	77.06	72.26	73.14	74.74	76.27	74.07	73.26	73.94
2020	74.39	75.26	74.97	74.01	75.78	73.27	72.35	73.12	73.58	74.97	74.18	74.13
2021	74.71	75.30	74.30	75.16	76.33	75.85	75.56	75.56	76.28	79.10	76.01	74.27
2022	75.10	75.69	77.09	76.32	77.06	71.27	M	M	M	60.80	74.63	76.87
2023	75.80	M	M	M	M	70.10	76.01	72.24	72.50	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

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
1956	M	M	M	M	M	M	M	M	M	M	M	M
1957	M	M	M	M	M	61.2%	60.3%	65.3%	70.0%	78.3%	81.1%	79.9%
1958	74.3%	69.9%	78.7%	M	M	M	M	M	M	M	M	77.6%
1959	M	M	M	M	M	M	M	M	M	M	M	M
1960	M	M	M	M	M	M	M	M	M	M	M	M
1961	M	M	M	M	M	M	M	M	M	M	M	M
1962	M	M	M	M	M	M	M	M	M	M	M	M
1963	M	M	M	M	73.1%	M	M	62.8%	69.4%	81.3%	80.0%	75.5%
1964	80.6%	79.7%	80.9%	78.1%	64.9%	56.6%	52.9%	64.4%	67.1%	75.9%	83.1%	83.8%
1965	M	M	M	M	48.0%	58.4%	58.2%	62.9%	73.5%	76.8%	79.4%	81.9%
1966	80.0%	79.4%	80.6%	82.8%	66.1%	57.6%	56.8%	63.9%	70.9%	77.9%	80.4%	80.9%
1967	80.1%	78.1%	82.8%	80.4%	71.1%	61.7%	54.6%	66.9%	72.1%	78.2%	80.8%	77.7%
1968	76.1%	81.3%	77.7%	82.6%	68.9%	61.0%	72.4%	66.6%	71.3%	76.1%	M	62.5%
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	M	M	M	M	M	M	M	78.2%
1974	M	M	M	M	M	62.6%	M	M	70.3%	M	M	M
1975	M	M	M	M	M	M	M	M	M	M	M	M
1976	M	M	M	M	M	M	M	M	M	M	M	M
1977	M	M	M	M	M	M	M	M	M	M	M	M
1978	M	M	M	M	M	M	M	M	M	M	M	M
1979	M	M	M	M	M	M	M	M	M	M	M	M
1980	M	M	M	M	M	M	M	M	M	M	M	M
1981	M	M	M	M	M	M	M	M	M	M	M	M
1982	M	M	M	M	M	M	M	M	M	M	M	M
1983	M	M	M	M	M	M	M	M	M	M	M	M
1984	M	M	M	M	M	M	M	M	M	M	M	M
1985	M	M	M	M	M	M	M	M	M	M	M	M
1986	M	M	M	M	M	M	M	M	M	M	M	M
1987	M	M	M	M	M	M	M	M	M	M	M	M
1988	M	M	M	M	M	M	M	M	M	M	M	M
1989	M	M	M	M	M	M	M	M	M	M	M	M
1990	M	M	M	M	M	M	M	M	M	M	M	M
1991	M	M	M	M	M	M	M	M	M	M	M	M
1992	M	M	M	M	M	M	M	M	M	M	M	M
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	M	M	M	M	M	M	M	M	M	M	M
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	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	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
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	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	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	87.9%	85.2%	83.3%	84.4%	87.1%	88.4%	90.1%	90.0%
2015	89.0%	88.5%	88.9%	88.7%	88.8%	89.3%	89.3%	90.2%	87.1%	89.0%	88.5%	87.2%
2016	86.7%	88.0%	87.5%	88.1%	87.1%	86.8%	81.7%	85.4%	85.2%	85.0%	80.5%	85.0%
2017	86.4%	84.0%	85.9%	85.3%	82.5%	84.5%	86.0%	85.4%	86.9%	87.3%	86.2%	88.0%
2018	86.3%	86.6%	86.7%	86.9%	86.3%	79.5%	64.7%	70.8%	71.3%	82.9%	84.9%	85.9%
2019	87.0%	86.9%	86.4%	83.8%	84.0%	78.9%	76.8%	80.5%	83.6%	88.7%	88.1%	88.9%
2020	88.2%	87.6%	88.4%	90.3%	83.4%	77.0%	76.9%	85.3%	85.3%	86.9%	87.6%	88.9%
2021	88.9%	88.7%	87.5%	89.0%	81.4%	69.6%	71.2%	76.2%	83.3%	84.3%	87.6%	87.8%
2022	88.4%	89.2%	88.1%	86.8%	86.5%	M	M	M	M	M	86.5%	87.6%
2023	M	M	M	M	M	M	78.4%	83.2%	80.3%	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

Monthly Plots

Select month and year:

Oct 2026

JanFebMarAprMayJunJulAugSepOctNovDec 194919501951195219531954195519561957195819591960196119621963196419651966196719681969197019711972197319741975197619771978197919801981198219831984198519861987198819891990199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026

Dec 2026