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
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	0.00	0.00	0.00
1975	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	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	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	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	M	0.00	M	M	M	M	M	M	M	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	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	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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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
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
1973	7.0	8.9	7.2	9.7	5.5	6.4	7.1	3.1	4.4	6.2	5.4	8.0
1974	4.3	6.7	3.3	5.3	6.1	3.7	5.0	4.1	6.1	9.1	6.0	7.9
1975	7.2	8.2	6.8	7.5	4.5	5.9	4.6	5.2	3.6	7.4	9.0	6.4
1976	9.4	7.5	8.0	6.8	6.2	5.4	5.9	7.4	6.2	8.4	11.2	14.6
1977	8.4	9.1	7.2	8.5	7.3	6.4	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	10.2	7.3	5.3	4.9	3.8	4.4	3.0	5.8	8.9	10.8
1986	10.2	11.4	5.6	6.7	2.3	3.2	3.1	5.3	2.5	4.0	4.0	5.8
1987	10.4	5.7	6.0	5.9	4.1	4.0	3.4	3.0	2.6	5.6	7.8	4.4
1988	6.2	7.1	6.0	4.0	4.1	2.5	2.0	2.7	3.4	2.2	4.0	3.1
1989	2.1	4.8	2.3	7.0	2.8	3.2	3.9	5.9	5.8	4.7	7.4	8.1
1990	6.0	5.7	5.2	7.1	5.4	4.9	4.2	4.5	5.4	7.3	7.4	6.9
1991	5.2	7.2	7.8	5.7	6.6	4.9	4.3	3.6	4.8	5.9	6.9	6.1
1992	4.0	M	M	M	M	M	M	M	M	M	2.3	7.1
1993	4.0	5.1	6.9	4.8	4.9	4.4	3.9	3.9	5.2	5.9	6.8	9.1
1994	5.9	5.7	3.8	6.1	4.0	4.0	4.1	3.4	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	3.5	3.5	2.8	3.1	3.1	3.5	5.2	4.2	5.9
2004	8.1	6.0	4.9	4.6	4.8	3.5	3.3	3.2	3.3	2.6	5.4	5.6
2005	5.8	6.4	4.5	4.6	3.1	3.0	3.9	3.9	3.7	3.8	5.6	7.5
2006	5.5	6.5	5.9	4.1	3.9	3.5	2.3	5.5	3.1	4.4	3.5	3.7
2007	4.5	5.0	4.1	2.0	3.5	2.6	2.8	2.8	3.6	2.9	4.3	4.6
2008	3.6	3.1	4.8	4.6	3.2	3.5	3.3	3.1	3.1	3.7	5.3	5.8
2009	5.4	5.8	5.9	4.1	2.4	3.1	2.7	2.0	3.6	3.1	3.6	6.1
2010	6.7	5.8	4.3	3.4	4.6	2.6	2.8	2.7	3.5	3.5	6.7	5.5
2011	2.5	3.5	4.3	3.0	3.0	2.9	3.5	2.0	2.7	3.2	3.2	6.0
2012	3.9	3.7	2.7	4.6	3.5	2.2	1.4	2.2	2.4	2.8	4.3	4.2
2013	4.8	1.2	4.9	4.4	5.2	3.1	2.6	2.7	4.6	3.3	6.0	3.4
2014	5.0	5.3	4.3	4.2	3.5	4.0	4.5	3.3	3.4	3.5	5.3	5.1
2015	5.3	5.7	5.2	4.3	3.5	3.2	3.2	3.3	3.6	4.4	3.8	2.6
2016	6.2	7.0	4.9	4.5	4.8	3.6	3.1	3.7	3.6	5.0	5.5	4.5
2017	5.6	4.2	4.3	4.1	3.9	3.3	3.5	3.2	4.0	3.4	5.3	7.9
2018	6.4	6.8	7.9	4.5	3.8	3.9	2.9	2.8	3.3	4.4	5.7	4.8
2019	6.0	9.8	4.6	5.3	4.4	1.8	3.5	2.3	3.4	2.8	8.7	6.9
2020	4.0	5.2	4.3	3.5	4.7	4.0	5.4	5.5	6.1	5.7	4.9	6.7
2021	7.5	5.5	5.1	5.1	5.2	3.5	3.4	3.5	3.0	5.4	7.1	6.5
2022	4.3	4.4	3.9	4.7	2.9	1.7	1.6	2.2	4.4	1.5	5.3	4.3
2023	5.9	4.5	4.2	4.5	3.7	1.8	2.7	3.7	2.5	4.1	7.3	2.8
2024	4.2	3.5	4.9	3.2	3.2	2.1	2.0	2.1	3.9	2.8	3.8	4.6
2025	6.5	5.0	7.3	6.4	5.0	4.4	4.8	5.1	4.5	6.2	5.6	5.5
2026	6.3	5.4	4.1	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	75.50	M	63.33	57.00	M
1974	54.00	46.00	54.00	M	61.00	81.00	72.50	77.44	66.00	64.00	36.00	81.33
1975	M	M	M	64.00	M	46.50	53.00	68.00	79.00	M	79.50	M
1976	67.67	36.00	55.00	M	99.50	54.60	57.00	86.00	55.00	43.00	M	84.00
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	57.00	M
1986	M	36.00	M	M	M	61.00	M	81.00	M	M	M	M
1987	M	M	50.00	M	M	73.00	M	86.00	82.42	61.67	61.00	M
1988	M	40.50	44.33	63.20	71.84	76.70	90.67	80.50	M	67.41	52.52	53.00
1989	48.00	50.00	54.00	62.00	63.50	80.38	85.66	86.90	79.42	69.30	63.60	60.10
1990	57.74	60.71	64.11	63.84	75.60	82.70	87.22	87.92	82.70	75.08	64.88	54.76
1991	56.50	55.32	64.86	63.80	68.23	80.24	86.25	88.67	83.66	71.01	62.31	53.31
1992	55.89	M	57.00	M	M	M	M	M	M	M	65.43	59.61
1993	56.31	55.39	51.20	70.16	77.67	86.25	87.86	92.10	83.42	73.08	63.02	59.50
1994	59.41	60.59	65.61	63.97	74.52	80.33	88.42	90.90	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	56.50	58.00	63.29	64.64	73.57	81.45	84.08	80.60	75.13	67.94	64.48	56.62
2003	54.42	49.53	58.09	66.21	80.00	88.90	92.01	91.47	81.95	71.35	65.66	57.75
2004	53.22	56.87	57.96	65.64	73.42	81.68	89.17	88.77	84.05	75.92	63.71	61.36
2005	49.24	49.83	61.08	66.27	76.85	85.56	88.36	87.78	82.89	71.57	62.82	54.57
2006	53.21	55.41	58.12	69.20	77.21	81.24	88.38	86.98	80.81	75.40	64.54	58.68
2007	58.34	60.16	61.93	70.62	74.89	82.91	87.67	88.54	80.36	71.61	60.78	54.95
2008	57.11	57.59	59.26	65.80	77.38	80.00	88.24	90.83	80.98	75.04	64.99	56.66
2009	M	M	M	59.00	M	M	M	M	M	M	64.40	M
2010	51.80	M	M	M	68.00	M	M	77.90	M	M	64.40	55.40
2011	54.52	55.29	58.00	64.11	70.88	81.43	87.00	90.46	86.30	72.99	63.80	57.37
2012	55.28	52.36	66.03	66.44	75.20	88.00	91.92	94.48	82.82	76.42	67.76	58.77
2013	57.08	52.70	61.15	71.18	77.06	82.40	90.24	90.76	83.72	75.20	63.50	58.48
2014	57.08	60.54	62.08	67.10	74.85	86.36	86.17	89.66	81.74	75.72	68.00	60.23
2015	55.13	54.37	60.22	64.88	75.08	81.98	90.01	87.74	82.40	70.26	65.06	60.80
2016	57.55	60.49	58.52	66.68	68.46	76.58	82.28	82.23	77.06	69.39	62.42	55.63
2017	49.25	57.14	60.39	63.98	71.60	80.24	83.27	84.72	74.72	69.51	60.44	53.84
2018	56.56	51.99	57.90	67.40	70.38	77.00	81.76	83.27	78.17	72.03	62.42	57.08
2019	50.58	55.27	58.88	63.02	64.63	80.78	84.03	86.12	80.06	72.59	63.62	58.40
2020	56.04	57.88	58.52	63.86	72.70	75.68	83.33	85.01	79.76	68.99	63.92	58.01
2021	53.60	56.60	57.08	61.61	70.15	80.30	84.49	85.77	80.42	68.29	63.74	56.21
2022	53.08	56.04	56.62	62.42	72.53	82.58	84.78	84.90	77.66	70.79	63.44	60.63
2023	54.94	54.63	59.06	61.28	68.41	77.00	85.25	83.21	79.52	73.57	65.06	57.95
2024	55.23	57.76	59.93	65.42	70.61	78.02	84.55	86.87	77.78	71.72	63.68	57.08
2025	56.66	57.84	61.21	65.30	70.09	82.27	84.90	83.20	79.12	68.93	62.30	58.83
2026	55.69	57.71	59.97	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
1973	M	M	M	M	M	M	M	75.50	M	63.33	57.00	M
1974	54.00	46.00	54.00	M	61.00	81.00	72.50	77.44	66.00	64.00	36.00	61.00
1975	M	M	M	64.00	M	46.50	53.00	68.00	79.00	M	79.50	M
1976	67.67	36.00	55.00	M	77.00	53.20	57.00	86.00	55.00	43.00	M	84.00
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	57.00	M
1986	M	36.00	M	M	M	61.00	M	81.00	M	M	M	M
1987	M	M	50.00	M	M	73.00	M	86.00	78.82	61.67	61.00	M
1988	M	40.50	44.33	60.76	70.63	73.81	90.67	80.50	M	63.63	51.80	53.00
1989	48.00	50.00	54.00	62.00	63.50	67.89	71.66	73.29	67.86	61.65	55.97	53.50
1990	50.74	51.80	51.58	54.02	62.67	69.42	73.92	73.52	69.80	66.03	57.14	48.43
1991	49.07	47.08	55.23	51.92	55.69	66.14	72.03	73.17	69.80	62.15	54.31	46.71
1992	49.02	M	52.00	M	M	M	M	M	M	M	57.46	54.34
1993	48.09	45.59	43.20	58.51	63.80	70.42	73.45	76.01	71.06	64.83	56.60	54.03
1994	53.36	52.26	53.54	52.54	60.75	65.22	74.54	77.91	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	52.25	52.32	55.24	53.45	62.93	70.18	71.92	71.00	66.61	60.89	59.48	51.96
2003	49.37	43.24	49.00	54.40	66.68	74.15	76.02	76.55	67.63	60.38	57.61	49.56
2004	45.85	47.65	48.20	54.49	58.38	66.91	71.67	72.48	68.32	64.40	56.31	55.71
2005	41.00	41.13	48.59	52.14	63.04	70.00	73.24	70.30	67.49	59.77	52.97	47.25
2006	44.81	45.57	47.56	55.03	61.18	65.06	73.90	71.98	67.39	63.54	54.68	51.45
2007	50.09	50.95	51.66	56.82	62.20	68.46	72.28	72.77	64.80	60.13	53.53	48.41
2008	49.98	47.71	50.35	54.28	62.57	67.96	73.85	74.57	67.01	63.39	55.91	49.14
2009	M	M	M	59.00	M	M	M	M	M	M	64.40	M
2010	51.80	M	M	M	68.00	M	M	77.90	M	M	64.40	50.06
2011	49.30	48.39	49.33	54.37	59.61	70.26	72.45	73.35	71.36	61.09	56.12	51.34
2012	48.37	43.17	53.66	55.64	61.85	73.13	74.79	77.41	69.56	64.86	60.38	51.39
2013	49.38	47.75	51.28	58.52	61.73	66.74	72.06	73.52	68.48	63.53	54.86	50.41
2014	50.81	51.86	49.83	53.96	60.10	70.76	68.99	72.06	68.42	64.75	60.50	54.09
2015	49.07	46.53	51.22	53.96	62.48	68.66	75.90	75.03	70.83	63.06	58.04	55.40
2016	50.93	52.79	51.20	57.98	60.22	67.82	72.76	72.70	68.06	62.83	56.96	50.87
2017	43.15	50.96	52.50	55.52	62.48	71.18	73.90	75.55	67.16	62.37	54.26	48.74
2018	51.22	46.46	50.17	58.52	63.01	69.08	73.81	74.04	70.03	64.65	56.66	50.93
2019	44.25	47.81	50.93	54.38	55.69	70.52	74.39	75.49	70.40	63.76	57.44	53.60
2020	49.83	50.12	49.76	54.26	63.76	67.64	74.56	75.20	69.80	60.68	57.68	51.57
2021	47.75	49.60	49.07	52.23	60.80	69.98	74.15	75.55	70.70	61.21	57.80	50.58
2022	47.79	48.65	48.66	53.60	63.01	73.28	76.01	75.32	69.98	64.52	57.80	55.98
2023	50.17	48.97	52.21	54.56	61.61	70.16	77.41	74.56	72.14	67.25	59.36	53.72
2024	50.87	52.23	53.83	57.44	62.95	70.10	76.54	78.57	69.62	65.14	58.76	51.34
2025	51.26	50.45	52.09	55.28	60.80	71.73	73.98	74.07	69.74	60.97	55.28	52.21
2026	48.95	51.03	51.38	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
1973	M	M	M	M	M	M	M	75.50	M	63.33	57.00	M
1974	54.00	46.00	54.00	M	61.00	81.00	72.50	77.44	66.00	64.00	36.00	61.00
1975	M	M	M	64.00	M	46.50	53.00	68.00	79.00	M	79.50	M
1976	67.67	36.00	55.00	M	77.00	53.90	57.00	86.00	55.00	43.00	M	84.00
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	57.00	M
1986	M	36.00	M	M	M	61.00	M	81.00	M	M	M	M
1987	M	M	50.00	M	M	73.00	M	86.00	80.62	61.67	61.00	M
1988	M	40.50	44.33	61.98	71.24	75.26	90.67	80.50	M	65.52	52.16	53.00
1989	48.00	50.00	54.00	62.00	63.50	74.13	78.66	80.10	73.64	65.48	59.78	56.80
1990	54.24	56.26	57.85	58.93	69.13	76.06	80.57	80.72	76.25	70.55	61.01	51.60
1991	52.79	51.20	60.05	57.86	61.96	73.19	79.14	80.92	76.73	66.58	58.31	50.01
1992	52.45	M	54.50	M	M	M	M	M	M	M	61.44	56.98
1993	52.20	50.49	47.20	64.33	70.74	78.33	80.65	84.05	77.24	68.95	59.81	56.77
1994	56.39	56.43	59.57	58.26	67.64	72.77	81.48	84.41	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	54.38	55.16	59.26	59.05	68.25	75.82	78.00	75.80	70.87	64.42	61.98	54.29
2003	51.89	46.38	53.55	60.31	73.34	81.53	84.01	84.01	74.79	65.86	61.64	53.65
2004	49.54	52.26	53.08	60.06	65.90	74.30	80.42	80.63	76.19	70.16	60.01	58.53
2005	45.12	45.48	54.83	59.20	69.95	77.78	80.80	79.04	75.19	65.67	57.90	50.91
2006	49.01	50.49	52.84	62.11	69.20	73.15	81.14	79.48	74.10	69.47	59.61	55.07
2007	54.21	55.55	56.79	63.72	68.55	75.69	79.98	80.66	72.58	65.87	57.15	51.68
2008	53.54	52.65	54.80	60.04	69.98	73.98	81.04	82.70	74.00	69.21	60.45	52.90
2009	M	M	M	59.00	M	M	M	M	M	M	64.40	M
2010	51.80	M	M	M	68.00	M	M	77.90	M	M	64.40	52.73
2011	51.91	51.84	53.67	59.24	65.25	75.85	79.73	81.90	78.83	67.04	59.96	54.35
2012	51.83	47.77	59.84	61.04	68.52	80.57	83.36	85.94	76.19	70.64	64.07	55.08
2013	53.23	50.23	56.21	64.85	69.39	74.57	81.15	82.14	76.10	69.36	59.18	54.44
2014	53.95	56.20	55.95	60.53	67.48	78.56	77.58	80.86	75.08	70.24	64.25	57.16
2015	52.10	50.45	55.72	59.42	68.78	75.32	82.95	81.38	76.61	66.66	61.55	58.10
2016	54.24	56.64	54.86	62.33	64.34	72.20	77.52	77.46	72.56	66.11	59.69	53.25
2017	46.20	54.05	56.45	59.75	67.04	75.71	78.58	80.14	70.94	65.94	57.35	51.29
2018	53.89	49.23	54.04	62.96	66.69	73.04	77.78	78.65	74.10	68.34	59.54	54.01
2019	47.42	51.54	54.91	58.70	60.16	75.65	79.21	80.80	75.23	68.17	60.53	56.00
2020	52.93	54.00	54.14	59.06	68.23	71.66	78.95	80.11	74.78	64.84	60.80	54.79
2021	50.67	53.10	53.08	56.92	65.47	75.14	79.32	80.66	75.56	64.75	60.77	53.40
2022	50.44	52.35	52.64	58.01	67.77	77.93	80.40	80.11	73.82	67.65	60.62	58.30
2023	52.55	51.80	55.63	57.92	65.01	73.58	81.33	78.89	75.83	70.41	62.21	55.84
2024	53.05	55.00	56.88	61.43	66.78	74.06	80.54	82.72	73.70	68.43	61.22	54.21
2025	53.96	54.15	56.65	60.29	65.45	77.00	79.44	78.63	74.43	64.95	58.79	55.52
2026	52.32	54.37	55.68	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
1973	M	M	M	M	M	M	M	35.5%	M	75.7%	50.9%	M
1974	76.5%	100.0%	43.6%	M	48.0%	36.8%	72.6%	68.6%	68.3%	63.6%	M	37.1%
1975	M	M	M	39.4%	M	M	M	40.0%	69.5%	M	29.3%	M
1976	23.9%	M	62.5%	M	21.6%	66.0%	87.7%	35.3%	76.7%	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	93.7%	M
1986	M	M	M	M	M	87.9%	M	88.8%	M	M	M	M
1987	M	M	29.5%	M	M	46.7%	M	60.4%	77.6%	74.1%	55.1%	M
1988	M	86.5%	77.0%	82.8%	69.6%	80.4%	41.2%	86.7%	M	75.3%	73.5%	64.0%
1989	78.1%	83.9%	81.3%	50.1%	85.1%	75.1%	78.1%	75.1%	81.2%	72.2%	77.9%	75.2%
1990	82.4%	79.0%	80.6%	77.0%	76.1%	73.6%	73.8%	73.4%	72.1%	77.7%	74.1%	74.6%
1991	73.0%	72.1%	70.7%	75.6%	73.0%	74.6%	73.7%	73.3%	75.7%	72.9%	76.3%	64.7%
1992	77.1%	M	M	M	M	M	M	M	M	M	82.6%	75.6%
1993	74.0%	61.1%	66.2%	67.4%	71.6%	67.9%	62.5%	69.7%	67.8%	68.1%	76.6%	76.8%
1994	75.6%	76.2%	74.5%	70.2%	63.5%	63.6%	65.3%	66.1%	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	56.1%	60.8%	65.3%	64.5%	62.4%	58.5%	66.6%	64.9%	60.7%
2004	59.6%	66.4%	66.7%	72.8%	65.0%	67.2%	62.3%	58.8%	59.2%	74.1%	61.1%	66.9%
2005	73.0%	63.7%	68.7%	68.1%	64.9%	62.6%	61.4%	62.9%	69.2%	74.0%	73.6%	65.2%
2006	63.4%	67.9%	67.6%	64.3%	58.5%	53.0%	56.5%	56.6%	72.8%	65.2%	64.6%	64.1%
2007	64.1%	67.4%	69.0%	66.9%	73.3%	66.1%	60.0%	57.7%	57.9%	67.5%	69.9%	68.6%
2008	70.4%	70.8%	82.8%	65.4%	66.8%	78.4%	75.7%	82.2%	69.7%	74.2%	68.6%	69.0%
2009	74.0%	58.7%	76.5%	80.9%	68.1%	70.8%	69.4%	68.9%	66.2%	71.9%	78.6%	72.8%
2010	72.9%	78.2%	75.8%	79.5%	75.8%	72.6%	75.5%	76.0%	74.2%	76.5%	81.0%	70.8%
2011	77.4%	74.3%	75.8%	69.7%	72.5%	77.0%	71.1%	72.8%	69.2%	66.0%	70.2%	68.0%
2012	71.9%	72.5%	66.3%	75.7%	77.5%	76.6%	75.5%	73.4%	75.6%	85.4%	85.6%	75.7%
2013	81.9%	87.8%	82.9%	77.0%	76.6%	79.8%	79.7%	80.1%	80.0%	84.9%	82.5%	81.9%
2014	84.5%	82.6%	79.8%	81.5%	81.6%	78.7%	80.8%	80.3%	78.7%	75.0%	79.1%	77.2%
2015	75.7%	73.6%	73.1%	74.6%	71.2%	72.5%	71.8%	73.2%	64.7%	80.4%	80.4%	81.3%
2016	76.9%	79.0%	76.9%	70.3%	77.7%	82.5%	81.2%	81.3%	83.1%	81.5%	82.9%	72.8%
2017	72.4%	78.7%	70.2%	73.6%	73.8%	76.2%	71.6%	75.0%	76.2%	77.2%	78.5%	73.9%
2018	77.6%	75.5%	85.1%	76.7%	82.0%	77.6%	78.5%	78.3%	72.5%	74.6%	76.7%	69.6%
2019	69.2%	66.6%	68.6%	69.9%	75.4%	66.7%	69.8%	73.2%	70.2%	73.3%	77.2%	70.7%
2020	71.2%	70.2%	71.7%	67.8%	60.1%	72.0%	70.2%	71.4%	68.2%	72.0%	73.0%	73.8%
2021	73.0%	76.0%	70.9%	69.0%	73.4%	72.6%	71.7%	71.6%	73.0%	70.6%	77.2%	75.1%
2022	72.7%	73.0%	64.9%	69.6%	71.0%	68.1%	72.5%	71.2%	71.6%	79.3%	77.0%	80.9%
2023	76.4%	72.3%	77.6%	75.4%	77.4%	75.1%	71.9%	70.5%	69.8%	78.3%	75.7%	74.0%
2024	76.8%	78.5%	79.5%	72.9%	77.9%	76.7%	78.2%	78.1%	76.1%	82.8%	75.2%	73.6%
2025	74.8%	72.0%	67.5%	67.8%	70.3%	70.4%	65.8%	65.6%	68.1%	68.5%	73.5%	71.7%
2026	71.2%	78.2%	68.3%	M	M	M	M	M	M	M	M	M