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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
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	0.00
1977	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1997	M	M	M	M	M	M	M	M	M	M	M	M
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	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	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	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	0.00	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
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	10.8
1977	19.2	15.6	15.1	18.1	12.6	14.6	14.5	12.8	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	10.5	11.2	14.2	16.4	17.6	18.3
1992	18.3	20.9	19.0	16.2	14.4	15.0	12.5	13.3	15.5	15.2	16.2	18.5
1993	21.5	18.0	20.3	19.5	12.9	14.0	14.0	13.5	12.9	17.5	19.7	22.1
1994	22.5	20.2	19.2	15.2	13.4	12.6	14.8	11.7	16.1	15.0	18.3	22.6
1995	20.7	16.7	16.6	16.1	14.9	12.3	15.0	11.1	15.4	17.4	16.6	13.8
1996	18.4	16.5	17.9	17.3	13.4	15.3	12.6	11.1	15.3	19.2	15.4	10.4
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	14.7	16.1	16.5	13.5	11.2	12.8	13.2	13.3	15.3	16.1	17.9	18.1
1999	14.0	20.9	17.9	16.4	14.9	13.1	11.9	11.1	14.0	16.5	16.4	14.8
2000	17.8	17.2	19.4	16.5	11.4	13.3	9.0	10.4	15.6	16.2	16.0	15.1
2001	14.0	20.2	13.6	14.0	10.4	13.4	10.8	13.8	13.0	17.3	18.7	15.7
2002	18.1	18.2	16.2	16.3	16.5	14.7	11.4	11.9	10.9	17.0	22.7	14.6
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	15.9	19.0	16.6	14.2	13.2	11.0	10.9	11.8	12.6	16.5	15.9	16.4
2012	16.3	15.0	13.4	10.6	13.1	11.2	10.7	11.2	14.7	11.1	11.7	15.3
2013	14.6	14.5	13.5	13.0	13.2	11.2	10.9	11.1	11.0	10.6	15.8	18.0
2014	18.6	15.1	16.7	12.1	10.1	9.2	10.5	12.9	11.0	14.9	15.3	17.0
2015	18.4	16.8	14.5	15.2	14.6	11.8	10.6	11.7	12.5	13.3	14.1	16.4
2016	15.2	14.7	10.8	13.9	11.2	9.7	10.9	10.7	14.4	13.6	14.2	17.4
2017	16.9	16.5	15.0	15.5	13.2	10.8	11.9	9.4	14.3	15.3	18.1	16.8
2018	13.3	13.8	14.0	12.4	12.3	11.6	11.0	10.3	12.6	17.3	13.6	15.6
2019	14.1	14.5	13.0	14.9	13.0	11.4	10.5	10.6	14.6	15.4	11.1	13.3
2020	17.2	15.2	13.9	13.1	12.8	11.9	12.5	9.7	12.5	10.9	15.8	15.7
2021	13.3	15.1	13.5	14.3	11.7	12.0	8.4	8.4	11.4	14.6	16.6	11.3
2022	19.5	17.4	14.5	12.0	13.1	13.1	12.6	10.9	14.3	13.2	17.6	16.8
2023	15.1	15.1	14.2	12.0	13.9	9.4	12.6	11.1	13.5	15.0	11.5	14.5
2024	17.9	14.0	16.9	12.8	10.7	14.9	10.2	13.0	11.7	14.0	16.9	16.4
2025	13.3	16.5	16.5	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
1974	M	M	M	M	M	M	M	58.10	53.60	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	36.32
1977	37.52	37.59	42.45	39.56	46.75	49.04	52.61	53.08	46.76	47.30	33.80	35.60
1978	39.20	41.90	M	M	M	73.40	44.60	M	M	50.00	71.60	30.20
1979	M	M	51.80	M	41.00	M	46.40	M	M	M	M	M
1980	M	M	M	M	71.60	M	50.00	M	48.20	42.80	40.10	36.05
1981	53.60	41.00	37.40	38.60	M	M	M	48.20	M	48.20	37.40	M
1982	M	M	M	M	51.80	50.00	M	44.60	41.00	M	M	M
1983	36.50	M	M	M	M	M	50.00	M	M	62.60	M	M
1984	47.00	M	M	46.40	37.40	M	52.70	M	50.00	50.00	M	M
1985	55.40	M	40.90	39.90	39.20	58.40	64.20	60.35	48.45	45.40	30.55	35.25
1986	33.92	37.80	37.20	44.70	58.68	46.40	73.75	71.40	48.20	M	38.50	33.80
1987	44.60	38.60	35.10	41.70	44.60	57.57	51.60	66.65	51.95	M	42.80	M
1988	34.70	32.90	33.80	M	54.60	53.60	48.10	52.90	50.00	50.38	39.55	41.20
1989	39.15	37.93	45.65	37.65	50.43	53.70	50.70	57.95	51.45	44.60	45.60	45.50
1990	43.35	41.60	44.60	M	M	M	M	M	M	M	M	M
1991	M	M	M	M	M	M	57.03	55.81	50.24	46.81	42.38	41.99
1992	42.74	41.60	39.68	43.80	50.77	53.57	52.65	53.73	50.04	45.42	41.98	40.70
1993	39.37	40.16	42.41	43.79	47.63	49.24	50.74	50.59	52.20	45.03	44.72	37.25
1994	37.37	39.57	39.06	42.74	48.24	50.26	55.65	54.04	50.17	45.76	45.92	40.72
1995	37.69	37.68	38.63	40.51	46.42	51.46	54.15	54.43	51.48	48.33	42.84	37.64
1996	43.10	39.53	41.75	45.63	45.47	50.61	53.10	54.70	53.65	47.63	36.75	38.40
1997	41.54	40.30	42.36	43.12	46.42	51.06	55.51	56.90	51.11	47.10	46.03	44.03
1998	41.30	42.05	40.49	43.69	48.59	50.14	53.29	53.18	52.44	45.55	43.12	42.81
1999	40.82	38.86	41.33	43.44	48.24	51.47	53.26	55.42	53.48	48.72	44.40	37.82
2000	42.18	40.53	41.16	41.10	50.26	50.89	54.77	54.80	53.27	49.27	44.28	41.12
2001	42.36	38.36	40.10	43.58	49.25	49.91	53.58	54.37	51.85	50.96	44.43	41.90
2002	42.33	39.25	40.82	45.90	49.88	54.68	55.17	56.91	54.32	47.00	45.26	43.73
2003	40.25	43.44	45.30	49.58	47.62	54.86	58.07	57.66	53.26	45.47	45.44	41.45
2004	39.72	40.63	44.43	46.34	48.49	51.50	55.05	57.93	52.48	48.08	43.58	42.99
2005	41.06	39.97	42.39	44.66	45.53	51.14	54.35	54.49	51.20	48.61	42.86	43.96
2006	44.72	43.51	39.37	43.04	47.92	52.70	56.39	54.88	55.10	49.01	45.62	44.85
2007	40.71	40.94	43.38	47.06	46.69	52.10	54.70	52.85	50.30	48.78	42.74	43.36
2008	39.78	43.05	40.83	44.42	52.26	51.74	57.32	56.27	53.48	45.47	42.68	42.22
2009	42.86	40.29	42.16	47.58	50.41	53.72	57.08	56.15	52.82	48.49	45.86	41.51
2010	40.25	36.95	43.50	44.10	46.75	51.92	55.11	54.94	51.74	48.08	41.24	38.33
2011	44.24	M	M	50.00	46.40	45.95	52.70	53.24	52.82	48.78	48.32	39.37
2012	42.45	44.54	46.17	42.62	46.05	50.72	53.19	55.11	49.76	45.99	43.64	39.78
2013	42.63	42.29	40.54	47.21	48.08	52.76	55.40	54.12	50.84	48.43	44.42	43.79
2014	43.50	42.41	44.89	47.18	48.90	54.20	57.49	55.46	53.60	49.25	48.08	42.68
2015	40.83	41.90	42.86	44.12	45.70	49.52	53.19	54.88	53.30	50.58	45.26	44.25
2016	39.43	39.20	42.39	42.98	47.39	53.90	54.94	55.40	53.42	50.93	44.66	46.34
2017	44.19	44.15	43.90	44.24	50.64	52.70	56.04	55.98	53.78	49.65	41.84	41.81
2018	40.07	41.19	40.54	43.76	50.06	52.22	54.99	54.12	51.32	47.91	46.76	44.54
2019	41.12	43.57	43.15	47.60	46.34	51.44	57.49	55.40	52.22	47.45	41.42	43.15
2020	43.85	40.69	41.72	46.28	48.55	53.96	53.31	54.76	50.84	47.91	46.28	42.97
2021	38.39	41.51	44.25	43.16	46.92	51.50	55.57	55.52	53.90	49.01	44.42	41.52
2022	44.02	40.04	44.72	44.84	48.90	53.30	53.72	53.66	53.36	49.30	48.56	39.08
2023	41.93	44.60	37.86	45.86	48.78	56.36	55.05	56.68	52.58	47.74	44.18	41.29
2024	41.70	41.00	43.32	45.08	52.79	50.60	54.24	54.30	50.66	47.62	44.84	43.55
2025	40.19	45.11	43.91	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
1974	M	M	M	M	M	M	M	58.10	53.60	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	33.08
1977	35.12	34.83	39.32	35.00	41.12	45.08	48.03	47.62	46.76	47.30	33.80	35.60
1978	39.20	41.90	M	M	M	73.40	44.60	M	M	50.00	71.60	30.20
1979	M	M	51.80	M	41.00	M	46.40	M	M	M	M	M
1980	M	M	M	M	71.60	M	50.00	M	48.20	42.80	40.10	36.05
1981	53.60	41.00	37.40	38.60	M	M	M	48.20	M	48.20	37.40	M
1982	M	M	M	M	48.20	50.00	M	44.60	41.00	M	M	M
1983	36.50	M	M	M	M	M	50.00	M	M	62.60	M	M
1984	47.00	M	M	46.40	37.40	M	52.70	M	50.00	50.00	M	M
1985	55.40	M	40.90	39.90	39.20	58.40	64.20	60.35	48.45	45.40	30.55	35.25
1986	33.92	37.80	37.20	44.70	58.68	46.40	73.75	71.40	48.20	M	38.50	33.80
1987	44.60	38.00	35.10	41.70	44.60	52.83	51.60	66.65	51.95	M	42.80	M
1988	34.70	32.90	33.80	M	54.60	53.60	48.10	52.90	50.00	50.38	39.55	41.20
1989	39.15	37.93	45.65	37.65	50.43	53.70	50.70	57.95	51.45	44.60	45.60	45.50
1990	43.35	41.60	44.60	M	M	M	M	M	M	M	M	M
1991	M	M	M	M	M	M	49.94	50.17	45.14	42.16	38.00	37.52
1992	38.78	37.85	34.28	36.96	43.02	46.33	46.96	46.75	44.89	39.81	36.28	35.94
1993	33.18	36.02	37.12	38.58	40.54	43.52	45.12	45.25	45.80	39.97	40.58	32.38
1994	31.95	35.00	33.42	36.69	41.12	44.76	50.12	47.98	44.55	41.05	41.13	36.03
1995	32.64	31.94	31.95	34.91	40.55	44.99	47.73	48.95	45.69	42.97	38.55	32.05
1996	38.57	32.74	36.92	40.76	39.58	45.71	47.59	49.14	48.32	43.26	30.04	33.05
1997	36.72	34.23	36.45	37.03	40.34	43.74	48.88	50.05	45.18	40.16	40.97	37.70
1998	34.72	34.41	33.56	35.70	41.25	42.40	47.54	48.21	46.76	39.73	36.82	36.43
1999	34.61	31.80	34.20	37.77	41.30	44.64	47.44	48.01	47.10	43.50	38.75	31.46
2000	35.05	32.64	34.50	34.13	41.39	42.36	46.35	47.99	47.54	43.25	38.48	35.37
2001	37.92	31.81	32.04	35.21	41.43	42.49	46.67	49.08	45.14	46.17	35.76	35.26
2002	36.63	31.70	33.06	40.23	44.31	49.35	49.65	49.71	49.04	42.32	42.02	40.32
2003	34.67	39.14	41.29	43.28	42.80	49.76	51.68	52.38	47.96	40.19	41.48	35.60
2004	35.66	36.10	40.13	41.60	43.90	46.94	49.91	50.70	48.02	43.55	38.48	37.66
2005	34.67	34.57	37.40	39.14	38.91	46.52	48.72	49.42	44.78	43.90	38.06	40.10
2006	40.19	37.46	34.26	36.38	40.88	47.54	50.46	49.83	50.30	42.74	39.86	40.88
2007	35.02	36.69	38.33	41.54	41.17	46.16	48.90	48.14	44.96	44.43	36.86	38.70
2008	34.79	36.72	33.86	37.34	45.24	45.80	49.88	50.64	48.56	39.78	38.36	36.63
2009	37.28	35.34	36.99	42.49	45.06	47.18	50.64	50.46	49.04	43.61	41.12	37.21
2010	36.47	31.23	38.21	38.21	40.77	45.92	48.66	48.66	45.92	42.39	35.30	31.19
2011	38.84	M	M	48.20	42.80	45.05	50.90	44.78	46.82	42.68	43.16	31.77
2012	35.72	37.71	38.91	34.64	37.86	41.90	46.40	47.50	44.42	39.32	35.96	33.45
2013	36.53	36.82	32.58	33.62	39.66	46.58	49.25	48.20	45.20	42.86	36.62	35.25
2014	38.85	36.69	37.75	40.16	40.77	47.60	50.87	48.37	48.26	42.22	42.92	34.32
2015	33.16	35.21	35.43	36.98	38.45	43.88	46.23	48.95	47.36	45.06	38.90	35.60
2016	32.64	31.38	35.02	34.52	39.90	45.92	48.84	48.61	48.68	45.59	37.40	39.90
2017	38.04	38.62	37.34	37.28	43.79	45.86	49.19	47.97	48.50	43.38	34.82	35.14
2018	32.81	33.67	34.55	36.80	42.05	46.04	49.42	48.08	45.20	41.23	40.94	39.14
2019	33.34	35.34	34.85	40.82	38.91	44.54	49.19	47.74	45.74	41.75	35.24	37.23
2020	36.47	34.23	34.16	36.50	40.01	46.10	46.40	47.68	44.72	41.23	39.08	37.05
2021	30.61	35.41	37.98	34.58	37.81	45.86	48.84	49.07	47.48	41.99	37.76	35.83
2022	35.89	31.74	38.33	36.80	42.05	46.28	47.91	47.62	46.40	42.74	43.82	32.17
2023	33.57	36.89	30.37	38.24	42.80	46.82	47.27	49.07	46.94	41.35	37.70	33.45
2024	35.25	32.62	36.70	36.86	45.01	44.24	48.37	48.55	44.24	42.39	38.78	35.02
2025	34.21	40.04	37.12	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
1974	M	M	M	M	M	M	M	58.10	53.60	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	34.70
1977	36.32	36.21	40.88	37.28	43.93	47.06	50.32	50.35	46.76	47.30	33.80	35.60
1978	39.20	41.90	M	M	M	73.40	44.60	M	M	50.00	71.60	30.20
1979	M	M	51.80	M	41.00	M	46.40	M	M	M	M	M
1980	M	M	M	M	71.60	M	50.00	M	48.20	42.80	40.10	36.05
1981	53.60	41.00	37.40	38.60	M	M	M	48.20	M	48.20	37.40	M
1982	M	M	M	M	50.00	50.00	M	44.60	41.00	M	M	M
1983	36.50	M	M	M	M	M	50.00	M	M	62.60	M	M
1984	47.00	M	M	46.40	37.40	M	52.70	M	50.00	50.00	M	M
1985	55.40	M	40.90	39.90	39.20	58.40	64.20	60.35	48.45	45.40	30.55	35.25
1986	33.92	37.80	37.20	44.70	58.68	46.40	73.75	71.40	48.20	M	38.50	33.80
1987	44.60	38.30	35.10	41.70	44.60	55.20	51.60	66.65	51.95	M	42.80	M
1988	34.70	32.90	33.80	M	54.60	53.60	48.10	52.90	50.00	50.38	39.55	41.20
1989	39.15	37.93	45.65	37.65	50.43	53.70	50.70	57.95	51.45	44.60	45.60	45.50
1990	43.35	41.60	44.60	M	M	M	M	M	M	M	M	M
1991	M	M	M	M	M	M	53.48	52.99	47.69	44.48	40.19	39.76
1992	40.76	39.72	36.98	40.38	46.90	49.95	49.80	50.24	47.47	42.61	39.13	38.32
1993	36.28	38.09	39.76	41.19	44.08	46.38	47.93	47.92	49.00	42.50	42.65	34.81
1994	34.66	37.29	36.24	39.71	44.68	47.51	52.89	51.01	47.36	43.41	43.53	38.37
1995	35.17	34.81	35.29	37.71	43.48	48.23	50.94	51.69	48.59	45.65	40.69	34.84
1996	40.83	36.13	39.34	43.19	42.52	48.16	50.34	51.92	50.98	45.45	33.39	35.72
1997	39.13	37.27	39.40	40.08	43.38	47.40	52.19	53.47	48.15	43.63	43.50	40.86
1998	38.01	38.23	37.02	39.69	44.92	46.27	50.42	50.70	49.60	42.64	39.97	39.62
1999	37.71	35.33	37.77	40.60	44.77	48.05	50.35	51.71	50.29	46.11	41.58	34.64
2000	38.62	36.59	37.83	37.61	45.82	46.63	50.56	51.40	50.41	46.26	41.38	38.24
2001	40.14	35.09	36.07	39.40	45.34	46.20	50.12	51.72	48.50	48.57	40.10	38.58
2002	39.48	35.47	36.94	43.07	47.10	52.02	52.41	53.31	51.68	44.66	43.64	42.02
2003	37.46	41.29	43.29	46.43	45.21	52.31	54.87	55.02	50.61	42.83	43.46	38.53
2004	37.69	38.36	42.28	43.97	46.20	49.22	52.48	54.31	50.25	45.82	41.03	40.32
2005	37.86	37.27	39.90	41.90	42.22	48.83	51.54	51.96	47.99	46.25	40.46	42.03
2006	42.45	40.49	36.82	39.71	44.40	50.12	53.43	52.35	52.70	45.88	42.74	42.86
2007	37.86	38.81	40.85	44.30	43.93	49.13	51.80	50.49	47.63	46.60	39.80	41.03
2008	37.28	39.88	37.34	40.88	48.75	48.77	53.60	53.45	51.02	42.63	40.52	39.43
2009	40.07	37.82	39.58	45.03	47.74	50.45	53.86	53.31	50.93	46.05	43.49	39.36
2010	38.36	34.09	40.85	41.16	43.76	48.92	51.89	51.80	48.83	45.24	38.27	34.76
2011	41.54	M	M	49.10	44.60	45.50	51.80	49.01	49.82	45.73	45.74	35.57
2012	39.08	41.12	42.54	38.63	41.96	46.31	49.80	51.31	47.09	42.65	39.80	36.62
2013	39.58	39.55	36.56	40.32	43.87	49.67	52.32	51.16	48.02	45.65	40.52	39.52
2014	41.17	39.55	41.32	43.67	44.83	50.90	54.18	51.92	50.93	45.73	45.50	38.50
2015	36.99	38.56	39.14	40.55	42.07	46.70	49.71	51.92	50.33	47.82	42.08	39.93
2016	36.04	35.29	38.71	38.75	43.64	49.91	51.89	52.00	51.05	48.26	41.03	43.12
2017	41.12	41.39	40.62	40.76	47.21	49.28	52.61	51.97	51.14	46.52	38.33	38.47
2018	36.44	37.43	37.55	40.28	46.05	49.13	52.21	51.10	48.26	44.57	43.85	41.84
2019	37.23	39.46	39.00	44.21	42.63	47.99	53.34	51.57	48.98	44.60	38.33	40.19
2020	40.16	37.46	37.94	41.39	44.28	50.03	49.85	51.22	47.78	44.57	42.68	40.01
2021	34.50	38.46	41.12	38.87	42.36	48.68	52.21	52.29	50.69	45.50	41.09	38.68
2022	39.95	35.89	41.52	40.82	45.47	49.79	50.81	50.64	49.88	46.02	46.19	35.63
2023	37.75	40.74	34.12	42.05	45.79	51.59	51.16	52.87	49.76	44.54	40.94	37.37
2024	38.47	36.81	40.01	40.97	48.90	47.42	51.31	51.42	47.45	45.01	41.81	39.29
2025	37.20	42.58	40.52	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
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	86.8%
1977	86.3%	84.7%	89.2%	81.9%	81.5%	89.2%	94.7%	85.7%	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	86.4%	89.0%	84.5%	85.5%	80.6%	83.1%
1992	84.6%	84.5%	81.7%	81.2%	77.9%	77.4%	83.3%	81.6%	82.2%	77.7%	75.7%	74.7%
1993	74.6%	75.4%	73.6%	71.3%	78.7%	80.2%	84.7%	86.2%	83.3%	73.2%	77.5%	73.3%
1994	77.9%	76.3%	74.2%	79.7%	75.1%	82.5%	85.2%	83.7%	74.0%	80.3%	79.4%	77.3%
1995	79.1%	72.5%	75.9%	74.6%	80.4%	83.5%	80.9%	90.9%	79.6%	87.7%	82.7%	83.7%
1996	85.8%	80.7%	77.9%	84.6%	75.4%	89.1%	86.5%	86.3%	83.6%	79.1%	73.9%	84.3%
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	85.7%	83.3%	84.8%	85.2%	83.3%	81.6%	88.1%	88.7%	86.2%	82.8%	89.6%	88.3%
1999	92.5%	87.8%	87.6%	85.9%	84.2%	87.0%	91.0%	85.2%	90.5%	90.5%	87.2%	87.4%
2000	93.1%	88.7%	88.1%	90.8%	86.3%	88.6%	91.4%	93.1%	91.1%	85.0%	81.4%	80.6%
2001	82.7%	79.1%	79.9%	82.3%	82.9%	81.1%	79.8%	86.0%	83.1%	84.4%	79.1%	80.6%
2002	82.9%	82.2%	84.7%	85.0%	83.8%	85.5%	85.9%	86.4%	87.3%	84.1%	87.8%	88.8%
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	81.9%	84.7%	82.3%	86.1%	84.3%	85.0%	84.0%	88.7%	88.7%	87.6%	88.3%	81.6%
2012	83.2%	86.3%	86.9%	76.1%	79.2%	75.1%	85.5%	88.6%	86.0%	84.0%	85.8%	83.1%
2013	85.1%	84.4%	77.4%	77.1%	81.2%	86.3%	89.8%	88.8%	86.5%	85.2%	80.4%	82.2%
2014	85.5%	83.1%	81.3%	80.9%	80.7%	88.0%	91.5%	86.0%	91.9%	82.5%	88.3%	79.5%
2015	81.7%	81.9%	82.4%	80.1%	79.4%	85.9%	85.2%	90.7%	89.2%	89.4%	82.8%	83.1%
2016	78.3%	76.4%	84.5%	75.7%	78.9%	81.8%	88.0%	88.8%	91.1%	87.0%	83.4%	85.8%
2017	84.1%	84.7%	82.5%	81.6%	86.2%	85.9%	87.6%	87.4%	91.9%	89.6%	79.4%	86.5%
2018	84.5%	79.7%	76.3%	81.3%	84.8%	88.1%	94.3%	90.8%	87.0%	83.2%	87.4%	85.5%
2019	82.2%	85.1%	80.5%	79.4%	78.8%	86.6%	90.8%	87.7%	86.8%	83.4%	79.4%	85.5%
2020	83.8%	80.5%	78.8%	78.3%	78.5%	86.1%	87.3%	90.1%	90.0%	87.0%	87.4%	89.3%
2021	82.9%	84.9%	87.6%	82.0%	77.5%	93.7%	95.6%	93.5%	93.9%	92.3%	84.4%	82.8%
2022	82.0%	78.6%	83.4%	81.0%	85.8%	88.6%	90.5%	88.5%	88.1%	85.8%	88.5%	79.3%
2023	82.7%	83.0%	77.8%	80.2%	85.3%	86.2%	84.3%	87.5%	88.0%	80.1%	79.8%	78.4%
2024	80.2%	81.6%	79.8%	79.1%	87.9%	85.5%	90.8%	91.7%	86.1%	84.4%	84.2%	81.0%
2025	81.7%	79.5%	78.0%	M	M	M	M	M	M	M	M	M

Monthly Plots

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JanFebMarAprMayJunJulAugSepOctNovDec 1974197519761977197819791980198119821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Apr 2025