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 () 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
1977	M	M	M	M	M	M	M	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	M	M	M	M	M	M	M	M	M	M	M	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	M	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	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	0.04	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	0.00	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	0.03	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	M
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	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	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	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
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	1.5	M	M	M	M
1991	3.1	M	3.8	4.1	4.1	3.4	3.0	4.2	3.5	3.4	3.0	3.0
1992	2.9	3.1	3.4	3.9	3.7	4.2	7.1	7.1	8.1	5.9	5.1	4.5
1993	3.2	3.8	4.1	4.1	4.1	3.8	3.9	4.1	3.9	3.0	3.0	2.8
1994	3.6	3.3	4.2	3.9	4.5	3.6	M	4.1	3.5	3.2	3.6	3.2
1995	3.6	4.0	4.4	4.7	4.4	5.0	3.8	3.4	3.5	3.8	3.2	3.4
1996	4.1	4.3	4.4	5.4	5.2	4.3	5.0	4.7	4.3	3.7	4.0	3.7
1997	4.1	4.6	5.1	4.4	4.5	4.6	5.3	4.8	4.6	4.1	3.8	4.0
1998	4.6	5.3	5.5	5.0	5.3	5.6	5.9	4.5	3.5	3.7	3.4	3.9
1999	4.5	4.6	5.6	5.0	5.3	5.5	4.9	5.3	4.8	5.0	4.7	4.4
2000	4.5	5.7	5.8	6.1	5.8	5.7	6.7	5.4	5.7	5.3	5.5	M
2001	6.2	5.9	7.9	6.5	6.0	5.3	5.6	4.9	5.8	5.7	5.3	M
2002	5.9	6.1	6.5	5.8	5.3	5.4	5.3	4.7	4.4	4.6	4.6	4.2
2003	M	8.0	7.2	4.6	4.4	3.6	4.2	M	3.8	3.8	M	M
2004	M	M	M	M	M	M	5.1	M	M	3.8	3.6	M
2005	5.7	5.0	7.5	8.6	4.5	6.0	4.6	4.2	2.2	M	M	M
2006	M	M	M	M	2.5	5.4	2.7	6.5	3.8	6.2	4.7	1.9
2007	4.1	4.8	4.0	5.1	3.9	4.2	3.5	5.8	3.4	5.4	3.9	4.4
2008	4.4	4.6	5.1	4.8	4.3	3.9	4.1	3.8	4.2	4.0	4.3	4.5
2009	4.4	4.5	5.0	4.8	4.8	4.7	4.7	4.5	3.6	4.2	3.9	3.9
2010	4.1	4.2	6.9	M	5.0	4.5	7.0	4.2	4.0	4.5	4.9	4.4
2011	4.4	8.8	9.7	7.9	4.9	4.9	4.1	4.1	4.2	4.4	4.5	4.4
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	4.0	3.8
2024	3.8	3.9	4.5	7.0	11.7	7.9	4.6	2.6	3.9	3.0	3.1	2.8
2025	3.7	4.4	6.9	8.1	8.2	6.4	4.7	3.8	2.8	2.3	2.6	2.4
2026	3.0	4.9	5.0	5.0	7.3	7.8	5.2	5.9	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1977	M	M	M	M	M	M	M	70.86	67.50	66.20	67.25	65.56
1978	65.56	63.33	70.42	75.73	75.90	68.25	67.64	66.54	66.56	62.75	68.25	65.57
1979	64.62	65.15	69.00	73.85	70.80	68.27	70.08	66.00	62.88	68.53	62.31	65.36
1980	66.11	64.78	73.57	71.44	73.53	71.24	69.68	68.93	67.40	67.20	63.45	62.71
1981	60.31	62.62	71.84	68.72	73.76	68.48	67.22	69.38	64.79	65.89	63.62	63.58
1982	M	M	M	M	M	M	M	M	M	M	M	72.00
1983	51.33	62.80	77.00	77.20	82.00	73.50	69.60	72.50	66.90	70.00	66.15	66.80
1984	65.00	64.20	75.67	77.00	70.36	70.46	64.86	66.80	62.07	69.46	66.43	64.57
1985	60.73	66.00	68.84	69.18	73.12	69.25	67.72	67.90	67.54	M	67.74	64.40
1986	60.09	68.38	69.67	74.69	74.00	68.50	66.67	68.80	70.83	66.71	64.53	62.00
1987	66.15	62.80	68.10	68.80	73.44	69.60	69.27	71.50	68.80	64.47	67.27	68.93
1988	61.69	67.78	69.06	72.09	75.00	71.08	70.35	69.79	67.06	64.95	68.38	63.53
1989	65.18	64.50	69.00	70.92	74.75	71.70	69.65	68.33	65.60	66.30	67.79	65.43
1990	65.26	65.16	69.65	71.64	72.90	70.60	68.95	69.32	66.85	66.53	66.79	66.09
1991	66.58	65.10	77.43	81.12	79.23	74.17	70.71	73.61	69.40	68.65	66.83	67.88
1992	65.24	68.80	74.32	72.76	71.83	74.59	71.68	71.59	68.54	69.42	69.11	70.85
1993	70.09	72.56	72.55	75.57	75.05	73.02	71.87	71.91	69.66	70.77	71.56	70.67
1994	69.75	72.01	75.76	76.02	76.91	73.37	74.50	69.65	70.01	72.73	72.82	70.29
1995	69.27	70.52	74.27	78.15	80.60	73.81	70.43	70.93	71.63	68.71	69.28	68.27
1996	69.95	71.53	71.90	75.13	78.02	72.57	71.83	69.24	72.90	70.50	68.28	68.96
1997	68.23	71.02	71.98	73.38	72.53	75.12	72.02	73.36	70.21	69.81	69.99	68.88
1998	70.60	74.57	75.37	81.00	84.07	80.06	72.31	71.58	70.99	66.95	71.12	69.94
1999	69.65	72.45	76.41	80.22	79.30	75.37	69.76	71.54	69.16	64.49	66.70	61.46
2000	67.48	71.74	77.46	77.69	77.38	72.15	73.33	70.54	72.01	68.10	72.96	M
2001	67.55	69.50	75.81	79.05	75.48	73.46	71.09	72.05	67.69	66.16	67.22	71.00
2002	71.31	67.94	76.07	76.22	78.02	73.91	72.11	71.97	69.79	71.79	66.75	73.03
2003	63.50	76.11	77.34	78.33	80.96	72.74	72.56	72.00	71.51	69.13	M	M
2004	M	M	M	M	M	M	74.84	M	M	70.84	77.96	M
2005	58.26	71.76	79.09	83.12	77.36	78.44	72.14	71.42	71.24	M	M	M
2006	M	M	M	M	73.24	71.60	67.04	69.80	70.70	71.87	71.00	59.36
2007	71.11	73.13	74.33	73.90	77.48	73.58	76.72	68.66	69.71	65.53	66.84	66.27
2008	71.05	73.68	73.62	78.60	78.74	71.78	71.60	73.16	69.28	66.03	67.89	68.05
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	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	84.97	79.96
2024	83.10	81.78	85.01	87.20	91.05	88.52	89.72	90.53	89.90	85.65	85.16	81.24
2025	81.06	84.01	86.35	86.90	90.06	88.40	90.59	91.23	89.72	87.86	84.32	83.50
2026	80.89	81.89	85.36	87.20	90.30	90.20	92.50	95.51	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1977	M	M	M	M	M	M	M	50.14	52.00	47.40	44.75	46.67
1978	43.33	42.67	48.50	51.91	54.20	51.67	50.27	50.00	51.94	48.92	46.92	45.14
1979	43.69	43.15	47.64	53.23	51.65	52.00	53.00	50.86	50.33	44.73	45.44	44.93
1980	43.44	42.33	49.10	50.62	53.59	51.53	49.89	53.14	52.67	48.40	44.80	43.00
1981	43.88	43.85	50.68	50.72	55.12	55.71	52.15	51.90	51.50	50.32	43.90	47.50
1982	M	M	M	M	M	M	M	M	M	M	M	51.00
1983	43.67	40.00	52.33	54.00	62.00	53.90	55.80	52.50	53.00	50.75	48.54	48.40
1984	48.50	44.80	51.25	56.91	53.29	53.15	52.93	51.80	51.79	50.54	45.64	44.14
1985	41.13	46.12	49.26	50.71	51.88	53.90	51.36	50.60	51.00	M	46.21	45.60
1986	39.64	45.31	47.00	51.00	54.75	53.50	50.17	50.80	51.25	51.29	48.40	46.33
1987	42.15	39.80	50.60	50.50	53.81	54.40	55.91	52.93	54.07	43.94	46.20	47.64
1988	41.46	46.33	49.50	53.55	55.00	55.33	53.53	53.74	51.59	49.43	47.62	45.59
1989	45.65	44.44	45.69	48.40	52.79	54.48	52.52	53.54	52.15	46.19	49.67	47.96
1990	46.48	45.72	49.00	52.50	54.70	54.16	53.68	52.11	53.85	51.94	49.05	44.64
1991	47.29	46.80	50.73	52.29	53.82	54.45	52.90	49.93	52.08	49.22	43.40	42.93
1992	42.80	41.19	47.57	48.84	50.93	52.34	51.18	51.71	50.66	48.32	47.28	42.88
1993	43.80	44.80	44.67	49.28	51.08	55.00	52.79	51.68	53.00	48.51	44.84	41.50
1994	41.94	44.15	47.74	51.03	52.73	53.01	52.22	53.62	50.19	49.71	45.21	44.08
1995	43.80	44.57	47.28	51.18	54.69	54.22	51.94	54.53	51.81	46.73	46.57	42.86
1996	38.97	42.12	43.74	48.73	51.21	53.18	52.09	52.42	52.45	48.59	42.89	44.14
1997	41.55	44.82	49.15	50.83	50.69	53.14	51.97	50.03	52.23	48.19	47.90	42.95
1998	42.06	40.87	46.36	51.68	51.34	54.58	53.60	53.37	56.66	51.57	47.12	41.23
1999	38.97	40.36	45.65	51.52	52.05	53.72	51.60	52.98	51.40	45.71	43.50	42.59
2000	39.46	44.97	50.71	51.78	54.40	54.50	51.54	52.66	52.40	51.40	53.57	M
2001	45.67	47.96	50.13	55.41	55.70	56.47	55.83	54.78	55.28	50.32	48.12	48.00
2002	46.31	47.91	54.40	53.97	57.29	57.58	56.43	54.31	56.13	56.65	47.51	49.55
2003	45.60	51.07	53.58	55.81	58.35	58.11	55.66	54.67	56.78	55.51	M	M
2004	M	M	M	M	M	M	54.50	M	M	51.62	53.12	M
2005	44.74	51.08	56.24	63.00	54.92	54.08	53.74	54.14	50.36	M	M	M
2006	M	M	M	M	52.16	53.12	56.00	49.28	57.74	53.62	50.96	42.44
2007	49.40	49.30	49.37	51.66	52.53	52.16	54.17	53.46	52.99	47.62	45.80	46.27
2008	45.85	48.46	49.86	54.39	57.02	53.43	53.39	56.27	53.91	48.26	45.70	42.47
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	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	74.43	70.73
2024	73.17	66.14	71.43	71.36	77.87	75.92	75.32	73.75	75.32	72.70	69.86	65.56
2025	65.62	67.36	68.29	69.08	75.37	75.92	74.04	73.23	72.68	71.19	67.40	67.42
2026	62.08	60.54	66.26	68.48	74.97	76.04	74.33	74.69	M	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1977	M	M	M	M	M	M	M	60.50	59.75	56.80	56.00	56.11
1978	54.44	53.00	59.46	63.82	65.05	59.96	58.95	58.27	59.25	55.83	57.58	55.36
1979	54.16	54.15	58.32	63.54	61.23	60.14	61.54	58.43	56.60	56.63	53.88	55.14
1980	54.78	53.56	61.33	61.03	63.56	61.38	59.79	61.04	60.03	57.80	54.12	52.85
1981	52.09	53.23	61.26	59.72	64.44	62.10	59.69	60.64	58.14	58.11	53.76	55.54
1982	M	M	M	M	M	M	M	M	M	M	M	61.50
1983	47.50	51.40	64.67	65.60	72.00	63.70	62.70	62.50	59.95	60.38	57.35	57.60
1984	56.75	54.50	63.46	66.95	61.82	61.81	58.89	59.30	56.93	60.00	56.04	54.36
1985	50.93	56.06	59.05	59.94	62.50	61.58	59.54	59.25	59.27	M	56.97	55.00
1986	49.86	56.85	58.33	62.85	64.38	61.00	58.42	59.80	61.04	59.00	56.47	54.17
1987	54.15	51.30	59.35	59.65	63.62	62.00	62.59	62.21	61.43	54.21	56.73	58.29
1988	51.58	57.06	59.28	62.82	65.00	63.21	61.94	61.76	59.32	57.19	58.00	54.56
1989	55.41	54.47	57.35	59.66	63.77	63.09	61.09	60.94	58.88	56.24	58.73	56.70
1990	55.87	55.44	59.33	62.07	63.80	62.38	61.32	60.71	60.35	59.24	57.92	55.36
1991	56.94	55.95	64.08	66.71	66.53	64.31	61.81	61.77	60.74	58.94	55.11	55.41
1992	54.02	55.00	60.95	60.80	61.38	63.46	61.43	61.65	59.60	58.87	58.19	56.86
1993	56.94	58.68	58.61	62.43	63.06	64.01	62.33	61.80	61.33	59.64	58.20	56.09
1994	55.85	58.08	61.75	63.52	64.82	63.19	63.36	61.64	60.10	61.22	59.02	57.18
1995	56.53	57.55	60.78	64.66	67.65	64.02	61.19	62.73	61.72	57.72	57.93	55.57
1996	54.46	56.82	57.82	61.93	64.62	62.87	61.96	60.83	62.68	59.54	55.58	56.55
1997	54.89	57.92	60.57	62.11	61.61	64.13	62.00	61.70	61.22	59.00	58.95	55.92
1998	56.33	57.72	60.87	66.34	67.70	67.32	62.95	62.47	63.82	59.26	59.12	55.59
1999	54.31	56.40	61.03	65.87	65.68	64.54	60.68	62.26	60.28	55.10	55.10	52.03
2000	53.47	58.35	64.09	64.74	65.89	63.33	62.43	61.60	62.20	59.75	63.27	M
2001	56.61	58.73	62.97	67.23	65.59	64.96	63.46	63.42	61.49	58.24	57.67	59.50
2002	58.81	57.92	65.24	65.10	67.65	65.74	64.27	63.14	62.96	64.22	57.13	61.29
2003	54.55	63.59	65.46	67.07	69.65	65.42	64.11	63.33	64.14	62.32	M	M
2004	M	M	M	M	M	M	64.67	M	M	61.23	65.54	M
2005	51.50	61.42	67.67	73.06	66.14	66.26	62.94	62.78	60.80	M	M	M
2006	M	M	M	M	62.70	62.36	61.52	59.54	64.22	62.75	60.98	50.90
2007	60.25	61.21	61.85	62.78	65.01	62.87	65.45	61.06	61.35	56.58	56.32	56.27
2008	58.45	61.07	61.74	66.49	67.88	62.61	62.49	64.72	61.60	57.14	56.79	55.26
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	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	79.70	75.35
2024	78.13	73.96	78.22	79.28	84.46	82.22	82.52	82.14	82.61	79.18	77.51	73.40
2025	73.34	75.68	77.32	77.99	82.72	82.16	82.31	82.23	81.20	79.53	75.86	75.46
2026	71.48	71.21	75.81	77.84	82.63	83.12	83.42	85.10	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
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	69.4%	M	M	M	M
1991	66.7%	M	49.0%	53.5%	63.1%	76.7%	82.2%	77.1%	84.1%	81.6%	74.7%	75.4%
1992	76.8%	72.1%	69.3%	69.7%	76.0%	75.3%	80.0%	78.4%	80.7%	78.2%	76.0%	67.4%
1993	65.3%	59.9%	57.1%	57.3%	65.9%	74.0%	78.7%	77.6%	82.8%	74.0%	70.9%	65.3%
1994	63.6%	63.5%	59.7%	61.9%	66.0%	75.3%	M	80.5%	77.7%	76.1%	67.5%	70.4%
1995	63.3%	62.5%	57.5%	55.0%	59.2%	68.8%	79.5%	81.2%	79.3%	74.4%	73.7%	63.6%
1996	51.5%	51.7%	57.5%	54.7%	56.5%	75.2%	75.4%	79.1%	78.5%	76.6%	68.0%	65.1%
1997	56.4%	61.0%	65.5%	64.6%	66.7%	68.4%	72.6%	70.5%	75.3%	70.9%	67.6%	59.8%
1998	53.9%	41.7%	48.0%	48.3%	42.3%	62.9%	72.5%	77.3%	84.3%	84.9%	75.7%	64.9%
1999	55.9%	52.8%	52.0%	51.1%	59.6%	71.9%	79.9%	76.6%	79.9%	75.7%	66.1%	69.3%
2000	57.9%	57.6%	53.4%	51.9%	64.4%	75.0%	71.3%	76.2%	74.0%	81.2%	74.8%	M
2001	67.1%	70.7%	59.3%	65.7%	64.5%	78.5%	74.7%	72.0%	77.3%	71.0%	63.3%	M
2002	44.7%	62.7%	46.9%	60.7%	63.6%	70.3%	74.4%	72.2%	80.9%	76.7%	65.1%	45.6%
2003	M	40.4%	47.9%	54.9%	50.5%	75.0%	66.2%	M	73.9%	78.6%	M	M
2004	M	M	M	M	M	M	68.4%	M	M	80.7%	57.6%	M
2005	82.6%	61.2%	58.5%	48.5%	58.2%	58.9%	74.1%	75.0%	70.5%	M	M	M
2006	M	M	M	M	71.0%	72.7%	83.6%	74.9%	75.4%	69.9%	70.4%	78.0%
2007	67.7%	54.6%	64.6%	66.0%	68.0%	71.8%	72.4%	82.9%	81.4%	77.3%	74.0%	71.4%
2008	60.0%	54.4%	53.1%	52.9%	62.2%	75.7%	75.9%	76.3%	81.2%	77.2%	68.6%	64.8%
2009	57.9%	57.6%	51.4%	50.2%	60.4%	67.2%	69.8%	70.6%	83.1%	77.5%	76.2%	69.5%
2010	69.5%	70.8%	50.9%	M	64.4%	67.0%	82.8%	82.5%	83.7%	70.5%	67.5%	63.2%
2011	60.1%	55.1%	52.8%	53.2%	58.0%	74.6%	82.2%	80.6%	76.9%	70.2%	76.0%	58.9%
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	79.2%	80.4%
2024	77.6%	73.6%	75.8%	74.1%	73.3%	83.8%	84.2%	85.9%	88.7%	93.8%	92.7%	91.4%
2025	92.5%	89.6%	84.4%	80.5%	87.2%	90.2%	86.8%	88.6%	91.2%	91.3%	89.3%	92.0%
2026	88.6%	79.8%	84.1%	84.7%	83.9%	83.8%	83.0%	77.1%	M	M	M	M