IEM :: Monthly Summaries

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 (USC00505757) 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
1973	M	M	M	M	M	M	M	M	M	0.00	0.00	0.00
1974	M	M	M	M	M	M	M	M	M	M	M	0.00
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	0.00	M	M	M	M	M	M	M	M	M	M
1978	M	M	0.00	M	M	M	0.00	0.00	M	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	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1986	0.00	0.00	0.00	M	M	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	0.00	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	0.00	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	M	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	0.00	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	M	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M	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	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2004	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M	M	0.00	M
2005	0.00	0.00	0.00	0.00	0.00	0.00	M	0.00	0.00	0.00	0.00	0.00
2006	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2007	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2008	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2009	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2010	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2011	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	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
NCEI Climatology	0.93	1.14	0.40	0.31	0.93	1.63	2.45	2.65	2.56	2.22	1.45	1.06

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1973	M	M	M	M	M	M	M	M	M	M	M	M
1974	M	M	M	M	M	M	M	M	M	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	2.8	1.5	1.8
1979	2.6	2.2	1.7	2.5	5.0	5.2	2.7	3.8	2.8	5.0	2.5	2.5
1980	3.8	6.1	4.6	6.2	6.5	4.2	4.4	3.9	3.2	3.1	1.6	1.5
1981	5.0	2.3	4.7	3.8	4.3	5.9	3.1	4.8	3.7	2.4	1.9	1.1
1982	1.4	3.6	4.9	6.3	5.8	7.1	5.3	4.0	4.6	2.5	1.8	1.5
1983	0.8	1.0	2.6	5.3	5.7	4.7	4.0	3.9	4.2	3.6	3.7	0.7
1984	2.5	5.0	4.5	4.6	7.0	6.5	5.8	5.3	4.8	5.0	3.0	2.8
1985	3.9	4.1	5.8	5.6	6.6	7.8	5.1	5.2	4.0	4.1	2.8	3.9
1986	2.9	3.8	2.9	M	M	4.3	5.7	5.7	5.4	4.0	1.5	1.9
1987	3.4	4.7	3.6	4.2	6.0	7.7	5.3	3.8	4.1	5.5	2.2	3.3
1988	1.4	4.1	5.5	5.7	6.1	4.5	5.7	6.5	4.0	4.1	3.0	M
1989	M	M	M	M	4.9	7.1	4.9	5.6	5.7	5.6	2.1	2.7
1990	2.1	3.0	3.4	3.9	4.4	3.3	5.0	3.7	5.1	3.7	4.2	2.8
1991	4.4	2.2	4.6	6.5	8.6	6.4	5.9	6.1	2.6	1.9	2.1	1.8
1992	1.5	1.4	3.8	8.6	6.2	5.5	3.3	2.6	4.2	4.6	0.0	0.0
1993	2.6	0.6	6.2	4.6	4.4	3.1	7.3	8.3	M	5.3	4.7	1.8
1994	0.0	3.0	3.8	5.2	7.4	6.2	4.7	3.3	1.7	M	M	M
1995	M	0.7	14.0	3.4	M	M	3.1	6.8	M	M	1.0	1.2
1996	0.0	2.5	3.0	3.5	M	5.6	5.6	0.0	0.0	0.0	0.0	1.5
1997	0.0	4.5	4.2	5.5	5.3	12.3	4.8	4.7	3.8	4.1	3.6	2.2
1998	2.1	1.1	0.6	4.6	7.8	6.7	2.2	3.3	M	0.0	0.1	0.1
1999	2.5	0.0	2.1	2.5	2.4	2.4	5.1	3.8	9.5	0.0	3.1	0.5
2000	0.1	M	M	M	4.2	3.0	1.5	2.5	M	M	M	2.7
2001	M	2.8	5.3	1.5	4.6	M	M	M	M	M	0.0	0.0
2002	M	M	1.8	M	M	M	M	M	M	M	1.2	0.0
2003	0.0	M	5.4	M	M	M	M	M	M	1.6	M	M
2004	M	M	M	0.4	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	2.9	3.6	3.7	4.0	2.6
2006	1.6	3.1	1.7	4.3	5.2	5.3	5.1	2.9	2.0	4.3	2.7	2.8
2007	1.7	2.4	3.8	4.5	5.4	4.9	4.3	2.9	3.8	4.0	3.9	1.9
2008	1.8	3.6	4.6	4.2	6.3	6.3	4.9	3.2	3.9	3.3	2.5	2.2
2009	1.6	2.9	4.0	3.7	5.1	5.6	3.4	4.4	3.4	3.4	2.2	2.2
2010	1.5	1.3	3.7	3.3	4.5	5.2	7.1	4.1	3.6	3.7	2.5	2.1
2011	3.0	5.7	3.5	5.1	6.1	6.2	4.3	6.3	4.6	2.6	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	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
NCEI Climatology	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
1973	M	M	M	M	M	M	M	M	M	30.00	-7.00	-2.00
1974	M	M	M	M	M	M	M	M	M	M	M	11.00
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	37.00	M	M	M	M	M	M	M	M	M	M
1978	M	M	26.00	M	M	M	66.00	71.00	M	31.82	12.67	5.36
1979	4.19	-0.19	27.20	40.07	54.88	59.77	64.67	65.89	53.00	37.46	23.79	-5.48
1980	0.20	23.52	24.43	40.79	50.66	59.54	62.08	59.12	47.93	33.07	18.16	-20.57
1981	23.07	15.31	32.32	35.22	56.00	59.96	59.45	59.86	46.22	32.53	10.43	-2.90
1982	-15.11	8.02	23.38	33.24	47.30	57.52	62.71	60.39	46.92	23.45	10.09	5.23
1983	-5.90	11.95	23.85	39.42	50.07	59.00	61.92	57.58	44.25	31.99	16.68	1.62
1984	6.42	12.69	34.58	39.74	48.90	59.80	58.91	60.77	52.18	35.09	8.04	6.21
1985	18.72	7.55	27.03	32.34	48.50	52.38	63.12	57.39	47.78	27.70	5.20	15.88
1986	7.55	16.56	23.06	M	M	60.67	62.78	57.27	52.96	35.95	12.44	14.40
1987	8.85	15.29	26.06	38.29	50.21	54.36	63.26	62.59	44.43	35.67	19.67	5.02
1988	-0.42	15.88	29.70	38.77	49.28	58.97	64.45	57.72	49.81	29.75	6.41	3.75
1989	-6.20	9.46	25.60	44.14	47.50	60.94	66.45	64.33	51.32	32.26	6.90	12.13
1990	1.00	0.18	29.79	45.48	54.75	63.11	66.15	63.22	50.89	28.29	0.04	0.97
1991	0.78	14.73	28.46	40.23	52.81	62.72	60.96	55.17	51.67	30.88	13.91	5.53
1992	7.57	11.94	24.36	36.75	47.06	59.20	61.26	57.65	39.21	28.68	18.15	-7.12
1993	-0.83	15.47	30.10	43.81	55.90	61.80	66.62	58.49	44.78	34.94	15.21	2.92
1994	4.87	8.37	28.20	43.68	48.71	63.62	64.08	67.10	47.99	33.00	-3.88	11.83
1995	-4.80	14.57	14.78	42.30	54.62	61.71	60.50	56.07	48.00	31.20	8.34	6.76
1996	-3.32	13.98	29.67	41.65	M	63.38	64.16	58.58	46.33	25.09	3.48	-0.37
1997	-0.35	22.79	21.76	39.37	53.98	64.07	68.26	61.93	54.10	27.46	18.11	6.55
1998	-1.96	17.41	30.33	42.08	49.79	59.47	62.41	53.97	45.25	32.41	13.49	0.64
1999	1.48	5.60	28.28	38.14	45.53	62.35	60.57	60.54	45.08	31.25	11.53	-7.58
2000	-19.89	M	30.33	48.00	45.40	59.74	62.40	59.56	M	M	M	7.05
2001	22.60	15.55	24.78	39.34	43.34	63.85	56.03	61.40	45.02	25.29	7.53	-14.37
2002	7.77	6.66	15.12	19.04	44.63	54.76	58.34	61.34	49.26	38.22	27.44	5.24
2003	-0.77	25.70	14.66	26.12	47.03	49.81	57.99	54.16	43.20	27.42	11.47	0.15
2004	-14.18	17.60	26.33	38.90	56.83	57.50	M	M	48.20	21.20	6.87	12.20
2005	-9.56	7.65	23.03	38.54	51.90	59.69	M	53.30	51.20	28.05	6.61	11.27
2006	-7.81	6.88	13.13	37.02	52.36	57.76	62.72	54.35	48.67	31.52	-7.01	4.74
2007	-0.34	11.19	25.72	41.54	50.19	61.61	60.38	59.71	46.32	27.45	18.34	2.10
2008	-3.00	10.28	28.92	39.34	51.35	58.99	57.47	57.05	49.25	31.03	11.16	-4.47
2009	-20.76	13.61	20.20	39.30	55.27	61.20	67.58	54.57	46.64	35.55	8.66	5.15
2010	1.32	10.40	27.88	37.64	56.04	57.14	59.24	59.17	51.08	30.72	14.06	-9.81
2011	3.03	11.84	23.35	38.54	53.08	59.78	62.02	56.68	48.91	28.59	M	M
2012	M	M	M	8.60	M	53.60	M	55.40	M	M	M	M
2013	M	M	M	M	M	46.40	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	44.60	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
NCEI Climatology	6.00	20.96	32.90	47.70	62.21	69.70	71.41	66.80	55.51	38.59	17.29	9.20

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1973	M	M	M	M	M	M	M	M	M	19.00	-21.00	-5.00
1974	M	M	M	M	M	M	M	M	M	M	M	3.00
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	28.00	M	M	M	M	M	M	M	M	M	M
1978	M	M	17.00	M	M	M	48.00	33.00	M	19.75	1.85	-3.79
1979	-4.81	-23.81	9.47	22.21	40.96	48.27	52.15	48.68	38.29	25.46	12.11	-15.33
1980	-9.93	10.96	6.16	25.12	36.06	45.75	49.52	41.81	30.95	20.34	6.29	-30.24
1981	13.00	-0.69	15.17	15.35	38.97	45.30	47.19	41.69	30.40	21.88	0.09	-15.62
1982	-31.46	-15.60	-1.11	16.48	33.44	44.62	48.95	45.78	33.10	10.02	-4.61	-5.23
1983	-18.56	-9.07	-6.16	19.41	36.53	47.00	49.38	42.12	26.54	22.27	5.36	-7.12
1984	-6.44	-9.55	2.48	17.28	33.41	44.44	45.23	41.24	27.58	12.28	-4.22	-3.76
1985	6.07	-7.28	-1.60	9.30	29.08	42.42	47.81	39.53	29.65	11.21	-8.48	7.74
1986	-3.75	-2.90	0.83	M	M	44.58	44.83	37.73	28.23	20.92	-0.86	5.83
1987	-3.11	-2.34	-9.43	12.85	31.33	41.71	47.04	42.05	29.22	24.26	10.83	-4.24
1988	-10.87	0.15	8.94	17.98	34.22	45.97	48.24	39.36	25.85	19.37	-3.71	-5.94
1989	-14.93	-11.77	-5.80	21.14	35.41	44.00	48.77	41.94	34.39	19.70	-1.87	0.31
1990	-10.47	-21.67	-1.04	13.84	34.98	48.56	44.96	41.44	36.34	14.31	-13.21	-9.50
1991	-15.07	-6.62	-1.44	16.23	35.93	46.45	45.24	41.83	35.81	13.48	6.11	-4.58
1992	-1.88	-8.10	-2.53	9.72	30.27	44.25	47.48	42.10	22.57	14.80	3.90	-14.45
1993	-11.84	2.00	0.87	18.08	33.70	46.18	49.31	46.71	31.00	21.35	4.39	-5.63
1994	-5.96	-6.48	1.74	18.32	32.42	48.62	48.76	43.59	28.11	15.38	-17.88	-1.33
1995	-18.00	-9.87	-11.56	17.09	34.92	46.43	48.91	40.58	41.00	17.60	-4.56	-3.71
1996	-6.33	-2.07	0.82	13.38	M	43.12	43.89	41.88	26.49	1.97	-6.44	-8.09
1997	-8.22	6.29	-5.51	11.10	33.23	46.47	48.05	42.94	30.85	11.46	7.65	-4.06
1998	-15.23	-4.41	-2.24	19.13	35.66	45.19	47.28	36.77	36.75	11.08	0.78	-8.31
1999	-2.24	-20.87	-5.11	15.39	32.85	44.73	46.77	43.97	35.32	20.35	0.87	-18.15
2000	-29.09	M	13.33	43.00	34.70	47.49	48.40	46.89	M	M	M	-2.75
2001	19.80	0.05	1.30	20.54	35.34	60.46	51.04	53.54	33.92	18.95	-0.77	-16.60
2002	3.30	-1.76	-1.76	14.53	43.08	52.73	56.80	58.50	41.62	33.66	23.80	0.56
2003	-4.64	25.70	8.87	21.92	39.27	42.41	54.18	46.37	30.45	17.65	7.54	-5.15
2004	-28.45	3.80	0.44	12.87	34.67	40.00	M	M	48.20	21.20	2.53	12.20
2005	-17.12	-3.68	10.39	27.39	42.17	48.91	M	40.70	37.27	19.78	-1.76	2.79
2006	-15.84	-8.84	-14.77	18.00	37.71	47.84	51.64	42.07	32.02	20.12	-20.68	-4.23
2007	-7.69	2.98	-14.08	20.23	37.68	50.44	50.78	44.37	33.17	18.92	9.99	-7.92
2008	-14.32	-11.77	1.76	17.95	37.37	47.14	48.71	43.99	34.33	14.87	-1.21	-14.08
2009	-35.18	-9.47	-5.36	15.98	40.45	47.53	54.52	43.62	32.03	23.76	-3.12	-5.29
2010	-13.31	3.92	1.92	17.72	41.35	47.84	51.86	45.76	29.72	16.50	4.28	-18.75
2011	-12.88	-9.40	-16.14	20.06	39.32	48.20	50.52	43.44	32.45	19.59	M	M
2012	M	M	M	8.60	M	53.60	M	55.40	M	M	M	M
2013	M	M	M	M	M	46.40	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	44.60	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
NCEI Climatology	-9.11	-1.25	3.50	21.60	30.90	38.90	43.30	40.20	33.10	20.21	2.01	-4.50

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1973	M	M	M	M	M	M	M	M	M	24.50	-14.00	-3.50
1974	M	M	M	M	M	M	M	M	M	M	M	7.00
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	32.50	M	M	M	M	M	M	M	M	M	M
1978	M	M	21.50	M	M	M	57.00	52.00	M	25.79	7.26	0.79
1979	-0.31	-12.00	18.33	31.14	47.92	54.02	58.41	57.29	45.64	31.46	17.95	-10.41
1980	-4.87	17.24	15.30	32.96	43.36	52.64	55.80	50.46	39.44	26.70	12.22	-25.41
1981	18.04	7.31	23.74	25.28	47.49	52.63	53.32	50.77	38.31	27.21	5.26	-9.26
1982	-23.28	-3.79	11.13	24.86	40.37	51.07	55.83	53.08	40.01	16.73	2.74	0.00
1983	-12.23	1.44	8.85	29.41	43.30	53.00	55.65	49.85	35.40	27.13	11.02	-2.75
1984	-0.01	1.57	18.53	28.51	41.16	52.12	52.07	51.01	39.88	23.68	1.91	1.23
1985	12.40	0.14	12.72	20.82	38.79	47.40	55.46	48.46	38.72	19.46	-1.64	11.81
1986	1.90	6.83	11.94	M	M	52.62	53.80	47.50	40.60	28.43	5.79	10.12
1987	2.87	6.47	8.31	25.57	40.77	48.04	55.15	52.32	36.83	29.96	15.25	0.39
1988	-5.64	8.01	19.32	28.37	41.75	52.47	56.34	48.54	37.83	24.56	1.35	-1.09
1989	-10.57	-1.15	9.90	32.64	41.45	52.47	57.61	53.14	42.86	25.98	2.52	6.22
1990	-4.74	-10.74	14.37	29.66	44.87	55.83	55.56	52.33	43.62	21.30	-6.58	-4.26
1991	-7.14	4.06	13.51	28.23	44.37	54.59	53.10	48.50	43.74	22.18	10.01	0.48
1992	2.85	1.92	10.91	23.24	38.66	51.73	54.37	49.88	30.89	21.74	11.03	-10.79
1993	-6.33	8.73	15.49	30.95	44.80	53.99	57.97	52.60	37.89	28.15	9.80	-1.35
1994	-0.55	0.94	14.97	31.00	40.56	56.12	56.42	55.35	38.05	24.19	-10.88	5.25
1995	-11.40	2.35	1.61	29.69	44.77	54.07	54.70	48.33	44.50	24.40	1.89	1.52
1996	-4.82	5.96	15.25	27.52	M	53.25	54.03	50.23	36.41	13.53	-1.48	-4.23
1997	-4.28	14.54	8.13	25.23	43.60	55.27	58.16	52.44	42.47	19.46	12.88	1.25
1998	-8.60	6.50	14.05	30.61	42.72	52.33	54.84	45.37	41.00	21.74	7.14	-3.84
1999	-0.38	-7.63	11.59	26.76	39.19	53.54	53.67	52.26	40.20	25.80	6.20	-12.86
2000	-24.49	M	21.83	45.50	40.05	53.61	55.40	53.22	M	M	M	2.15
2001	21.20	7.80	13.04	29.94	39.34	62.16	53.54	57.47	39.47	22.12	3.38	-15.48
2002	5.53	2.45	6.68	16.79	43.85	53.74	57.57	59.92	45.44	35.94	25.62	2.90
2003	-2.71	25.70	11.76	24.02	43.15	46.11	56.08	50.26	36.82	22.54	9.51	-2.50
2004	-21.32	10.70	13.39	25.88	45.75	48.75	M	M	48.20	21.20	4.70	12.20
2005	-13.34	2.60	16.71	32.97	47.03	54.30	M	47.00	44.24	23.91	2.42	7.03
2006	-11.83	-0.98	-0.82	27.51	45.04	52.80	57.18	48.21	40.35	25.82	-13.85	0.25
2007	-4.02	7.08	5.82	30.89	43.94	56.03	55.58	52.04	39.75	23.19	14.16	-2.91
2008	-8.66	-0.75	15.34	28.64	44.36	53.07	53.09	50.52	41.79	22.95	4.97	-9.27
2009	-27.97	2.07	7.42	27.64	47.86	54.36	61.05	49.09	39.33	29.65	2.77	-0.07
2010	-5.99	7.16	14.90	27.68	48.69	52.49	55.55	52.47	40.40	23.61	9.17	-14.28
2011	-4.93	1.22	3.61	29.30	46.20	53.99	56.27	50.06	40.68	24.09	M	M
2012	M	M	M	8.60	M	53.60	M	55.40	M	M	M	M
2013	M	M	M	M	M	46.40	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	44.60	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
NCEI Climatology	-1.56	9.86	18.20	34.65	46.55	54.30	57.36	53.50	44.31	29.40	9.65	2.35

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
1973	M	M	M	M	M	M	M	M	M	M	M	M
1974	M	M	M	M	M	M	M	M	M	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	94.3%	98.8%	99.0%
1979	98.2%	76.3%	88.8%	78.2%	55.1%	62.3%	77.3%	71.1%	77.0%	81.2%	90.7%	80.4%
1980	81.0%	89.1%	83.7%	75.4%	67.2%	73.6%	73.1%	77.0%	81.2%	89.1%	89.7%	72.6%
1981	89.8%	84.7%	84.5%	78.4%	70.1%	71.9%	82.8%	78.1%	84.2%	90.7%	85.8%	79.6%
1982	73.2%	81.2%	83.8%	82.9%	77.5%	75.1%	79.4%	82.2%	87.0%	88.4%	84.4%	82.6%
1983	76.5%	83.0%	83.0%	80.0%	75.9%	77.5%	78.6%	79.9%	80.7%	87.7%	85.9%	80.8%
1984	80.5%	80.2%	78.8%	68.3%	71.3%	73.8%	81.3%	82.3%	78.0%	71.1%	60.4%	60.0%
1985	79.7%	53.5%	64.7%	65.0%	68.4%	75.6%	77.9%	82.0%	77.5%	66.6%	44.4%	66.0%
1986	55.2%	52.3%	55.0%	M	M	68.2%	76.0%	76.8%	75.4%	71.9%	57.3%	60.6%
1987	57.1%	63.0%	61.2%	66.1%	67.3%	78.3%	82.0%	81.0%	86.5%	82.2%	70.4%	62.3%
1988	53.6%	71.2%	68.4%	65.2%	68.2%	75.6%	76.1%	80.7%	81.9%	81.7%	69.3%	M
1989	M	M	M	M	75.9%	61.7%	70.4%	75.0%	79.2%	85.6%	75.3%	76.0%
1990	59.7%	69.1%	76.1%	72.9%	65.8%	70.4%	69.1%	76.2%	81.5%	86.4%	78.0%	76.0%
1991	82.3%	76.8%	79.6%	74.8%	61.5%	66.0%	74.7%	78.6%	91.8%	89.8%	85.2%	80.3%
1992	75.0%	77.3%	82.2%	89.4%	82.4%	67.9%	71.4%	74.6%	86.4%	96.8%	77.9%	69.7%
1993	79.3%	41.2%	81.7%	80.0%	71.5%	68.4%	79.3%	75.2%	M	75.6%	81.0%	54.8%
1994	39.7%	65.2%	74.9%	73.0%	83.2%	65.3%	74.3%	77.4%	88.1%	M	M	M
1995	M	83.9%	85.2%	91.6%	M	M	50.4%	58.1%	M	M	61.4%	49.6%
1996	47.1%	62.4%	73.2%	78.3%	M	36.7%	40.4%	42.4%	68.9%	65.4%	41.0%	48.6%
1997	48.7%	69.9%	67.6%	71.4%	68.1%	59.8%	73.2%	75.3%	75.7%	73.3%	68.4%	61.3%
1998	53.8%	66.0%	72.5%	73.9%	67.4%	48.9%	73.9%	70.3%	M	63.8%	71.8%	56.3%
1999	M	M	72.1%	71.5%	69.5%	70.5%	78.2%	84.3%	80.9%	89.8%	92.4%	59.5%
2000	34.7%	M	M	M	73.8%	79.6%	71.9%	77.7%	M	M	M	82.8%
2001	M	75.5%	88.6%	79.0%	89.2%	M	M	M	M	M	59.2%	59.4%
2002	M	M	56.2%	M	M	M	M	M	M	M	74.2%	72.1%
2003	82.1%	M	83.5%	M	M	M	M	M	M	79.0%	M	M
2004	M	M	M	86.8%	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	79.3%	82.4%	82.7%	74.8%	81.2%
2006	72.7%	80.0%	78.7%	68.5%	58.6%	50.1%	69.9%	78.7%	76.9%	81.8%	65.2%	76.9%
2007	69.9%	79.1%	56.4%	63.9%	66.4%	59.5%	74.0%	75.8%	79.9%	86.2%	84.9%	74.7%
2008	71.3%	68.2%	71.6%	69.6%	59.3%	62.3%	77.5%	79.9%	78.4%	83.0%	80.3%	63.5%
2009	43.0%	67.1%	73.7%	65.2%	58.6%	65.5%	57.6%	84.7%	79.8%	84.8%	75.9%	75.1%
2010	66.2%	80.0%	66.7%	63.4%	53.9%	63.7%	74.1%	75.7%	77.4%	80.1%	84.1%	62.7%
2011	64.0%	70.6%	56.4%	68.4%	54.7%	66.6%	73.5%	71.9%	73.1%	83.9%	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	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