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
1962	M	M	0.00	M	M	0.00	M	M	M	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	0.00	0.00	0.00	0.00	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	M	M	M	M	M	M	M	M	M	M	M
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	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	0.00
1974	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	0.00	0.00	M
1975	M	M	0.00	M	M	0.00	0.00	0.00	0.00	M	M	M
1976	M	0.00	0.00	0.00	M	M	M	0.00	0.00	0.00	0.00	M
1977	0.00	0.00	M	0.00	0.00	0.00	0.00	0.00	M	0.00	0.00	0.00
1978	0.00	0.00	M	0.00	M	M	0.00	M	M	M	M	M
1979	0.00	M	M	M	M	M	M	M	M	M	0.00	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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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
1962	M	M	M	M	M	M	M	M	M	M	M	M
1963	M	M	M	M	M	7.8	5.8	M	M	11.3	2.9	M
1964	M	M	M	7.0	8.5	4.1	M	5.7	5.3	6.2	7.0	4.2
1965	M	7.4	5.2	6.9	5.9	5.6	6.1	6.2	5.5	6.2	5.2	5.7
1966	8.0	M	6.3	3.7	5.8	5.6	5.4	4.1	4.6	5.5	5.4	4.9
1967	5.7	6.3	5.4	6.0	6.0	5.4	5.1	7.0	7.4	6.1	6.3	7.3
1968	5.4	M	M	M	M	M	M	M	M	M	M	M
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	2.2	M	M	5.2	M	M	M
1974	M	3.2	M	M	M	2.0	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	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	5.8	6.1	5.6	5.4	5.7	5.3	5.6	M	M	M	M	M
2004	M	5.8	5.9	5.4	5.5	5.9	5.7	5.6	5.7	5.1	4.7	5.3
2005	6.2	6.2	6.4	4.4	3.3	3.6	2.6	3.5	2.8	1.8	1.8	3.2
2006	3.8	4.6	4.9	4.5	4.4	4.5	4.6	4.8	4.4	4.5	4.0	4.5
2007	4.8	5.1	4.8	4.6	4.6	4.1	4.1	4.5	4.7	4.6	4.3	4.5
2008	4.7	5.3	4.2	4.6	4.5	4.0	4.5	4.9	4.5	4.6	4.5	5.1
2009	5.4	4.9	4.7	4.5	4.4	4.4	4.6	4.8	4.9	4.7	4.5	4.5
2010	4.4	5.1	5.4	4.7	4.6	4.6	4.8	4.8	4.7	5.2	4.5	4.1
2011	4.8	4.9	4.7	4.8	4.6	4.6	4.9	4.8	4.3	4.7	4.4	5.0
2012	5.2	4.8	4.8	5.0	4.8	4.6	4.9	5.0	4.8	4.6	4.4	4.4
2013	4.6	4.7	5.4	5.2	5.2	4.8	4.1	4.6	4.7	4.7	4.3	5.1
2014	6.3	6.1	5.7	5.2	4.6	4.8	4.1	4.4	4.6	4.9	4.5	4.1
2015	5.0	6.1	5.6	5.2	4.8	4.7	4.7	4.5	4.5	4.3	4.2	4.7
2016	5.1	6.5	6.2	5.6	4.7	4.8	4.8	4.4	5.2	4.9	4.2	4.3
2017	4.3	5.9	5.1	5.3	4.8	4.9	4.7	5.1	4.9	5.2	5.0	5.4
2018	4.4	5.3	5.4	5.2	4.9	4.9	5.1	4.7	4.8	4.9	4.4	4.4
2019	5.5	5.2	6.0	5.1	4.8	5.3	5.1	5.1	4.1	4.8	4.9	5.6
2020	5.7	5.6	5.5	4.7	4.5	4.8	4.7	4.5	4.9	4.4	4.4	4.7
2021	4.9	6.0	5.0	4.9	4.4	4.3	4.2	4.5	4.4	4.4	4.1	5.5
2022	5.4	4.8	5.0	5.1	5.0	5.0	4.6	4.8	4.4	4.6	4.3	4.8
2023	4.9	5.0	5.2	5.5	4.6	4.9	4.5	5.0	4.8	5.0	4.7	4.4
2024	4.6	5.8	5.0	5.1	4.9	5.0	5.4	4.9	4.9	4.8	4.8	4.8
2025	5.7	4.9	5.2	5.4	5.1	5.0	4.8	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1962	M	M	82.00	M	M	88.00	M	M	M	85.00	85.60	86.00
1963	91.50	87.00	87.31	89.69	87.00	87.08	88.00	85.36	88.00	82.50	84.56	84.17
1964	90.00	88.60	88.86	87.93	87.62	87.12	86.82	85.67	84.00	82.50	83.31	84.47
1965	85.00	86.54	86.72	86.53	86.92	87.18	85.92	84.64	84.47	83.69	84.69	83.75
1966	84.78	86.00	83.50	86.82	86.91	86.67	85.53	85.11	84.78	84.10	84.03	83.61
1967	84.30	85.59	87.73	87.39	87.12	85.33	86.59	86.28	85.28	83.56	84.53	86.34
1968	85.59	M	M	M	M	M	M	M	M	M	M	M
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	85.60	M	87.75	87.00	88.00	87.00	84.17	84.25	85.50	81.33	M	82.00
1974	75.00	88.00	86.00	86.00	84.00	84.67	85.33	84.67	M	83.50	81.00	M
1975	M	M	81.50	M	M	85.00	86.00	87.00	82.00	M	M	M
1976	M	84.00	82.00	91.00	M	M	M	86.00	80.00	85.33	86.00	M
1977	88.00	85.00	M	95.50	87.00	100.00	90.00	88.00	M	85.00	86.00	79.00
1978	88.00	88.00	M	88.00	M	M	82.00	M	M	M	M	M
1979	93.00	M	M	M	M	M	M	M	M	M	82.00	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	87.80	M	M	M	M	M	M	M	M
2001	87.80	79.40	M	79.70	87.80	78.20	87.80	83.60	78.80	M	M	M
2002	M	M	M	M	M	M	M	M	74.30	M	M	M
2003	91.75	90.56	90.21	90.42	90.83	89.86	86.73	M	M	M	M	M
2004	M	92.30	M	M	M	83.45	83.45	82.81	79.70	81.83	82.72	83.54
2005	90.12	91.66	91.69	90.98	89.77	90.50	90.06	80.60	M	87.16	86.06	85.13
2006	88.67	87.07	86.87	83.30	83.19	83.00	84.94	83.56	82.80	82.22	81.20	82.95
2007	89.37	90.18	90.30	89.60	90.35	89.12	88.26	88.38	87.44	85.36	86.72	86.58
2008	89.25	89.48	87.92	88.28	89.14	88.40	87.45	87.80	86.48	87.10	82.72	82.98
2009	87.34	87.74	88.21	88.82	87.74	89.90	88.55	86.99	88.10	87.10	86.78	88.85
2010	89.54	91.53	91.86	90.86	91.69	89.24	89.08	89.43	88.58	88.55	87.68	85.88
2011	87.20	85.65	85.69	86.73	85.94	85.92	86.37	86.21	87.92	88.32	88.28	88.85
2012	88.73	89.10	88.26	88.82	89.02	89.84	88.21	89.43	87.14	87.45	87.68	88.26
2013	88.44	88.83	90.18	89.00	90.06	89.00	88.38	87.80	86.72	86.00	87.38	87.80
2014	88.85	89.73	91.57	89.00	89.37	90.62	89.66	87.57	87.44	87.68	88.28	85.83
2015	88.61	89.79	90.24	89.06	89.08	88.94	88.50	88.32	87.56	87.97	87.68	89.37
2016	90.65	92.83	92.15	91.46	90.24	89.72	89.48	88.55	87.44	86.06	87.20	86.75
2017	87.10	89.09	88.79	89.06	89.83	89.96	90.06	90.06	88.94	90.18	88.22	90.47
2018	87.34	90.37	90.47	90.20	89.37	89.78	89.14	89.72	87.56	87.68	88.10	87.45
2019	90.88	91.53	91.75	91.16	88.96	89.42	89.77	89.54	88.58	87.80	88.16	88.79
2020	91.17	91.34	91.40	90.92	89.54	89.18	88.44	89.83	87.92	86.64	86.84	87.10
2021	87.45	91.01	90.41	89.12	89.72	89.06	89.25	87.63	87.92	88.32	86.72	87.86
2022	90.82	88.83	88.96	89.66	90.12	87.92	89.02	88.38	86.36	86.17	86.48	86.12
2023	87.51	89.02	90.41	90.20	91.69	89.60	89.08	88.38	87.80	88.09	87.56	88.67
2024	90.70	92.83	92.45	92.24	92.45	90.38	91.05	88.90	88.28	87.80	87.74	88.61
2025	88.50	89.02	90.47	89.00	89.43	89.72	89.86	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1962	M	M	73.00	M	M	75.00	M	M	M	74.00	75.00	75.00
1963	71.50	78.50	75.62	77.46	76.50	76.25	74.50	75.73	76.14	75.00	75.22	75.33
1964	73.00	76.40	76.93	76.57	78.46	75.35	74.73	75.93	75.12	74.67	74.88	72.80
1965	71.25	73.46	74.24	75.68	77.04	75.86	75.58	74.56	75.63	74.85	74.12	74.55
1966	73.67	74.60	74.83	77.09	77.45	75.67	75.58	75.44	75.22	74.35	74.33	74.03
1967	72.63	73.56	74.65	75.52	76.50	75.48	74.45	74.66	75.40	74.85	75.20	73.38
1968	74.07	M	M	M	M	M	M	M	M	M	M	M
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	73.60	M	79.50	78.00	77.00	76.00	74.33	76.25	73.50	75.00	M	75.00
1974	36.00	78.00	77.00	68.67	77.00	75.67	73.67	74.33	M	75.00	75.00	M
1975	M	M	75.00	M	M	74.00	79.00	76.00	73.00	M	M	M
1976	M	73.00	73.00	75.00	M	M	M	73.00	69.67	75.67	75.00	M
1977	75.50	74.00	M	57.00	77.00	77.00	77.00	76.00	M	74.00	73.00	75.00
1978	76.00	77.00	M	81.50	M	M	77.00	M	M	M	M	M
1979	75.00	M	M	M	M	M	M	M	M	M	75.00	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	87.80	M	M	M	M	M	M	M	M
2001	87.80	78.20	M	77.90	87.80	78.20	87.80	83.60	78.80	M	M	M
2002	M	M	M	M	M	M	M	M	74.30	M	M	M
2003	76.60	75.08	76.39	77.69	78.03	76.35	75.67	M	M	M	M	M
2004	M	79.70	M	M	M	81.65	80.45	78.15	77.98	78.80	78.16	80.30
2005	74.97	72.18	72.06	69.80	69.74	75.02	71.89	75.20	M	67.01	71.18	73.69
2006	72.24	77.93	81.47	79.16	81.03	78.65	81.78	81.11	80.60	73.40	72.13	79.56
2007	73.40	73.79	74.45	76.82	77.17	76.46	75.72	75.26	75.08	74.27	74.30	73.40
2008	74.62	73.52	74.68	76.04	76.13	75.92	74.56	75.20	74.90	74.91	80.21	80.09
2009	73.11	73.72	75.20	76.34	76.36	76.64	75.78	75.43	76.16	75.95	75.44	75.43
2010	75.55	77.06	77.58	78.92	79.38	77.84	77.06	77.12	76.52	77.35	76.22	75.49
2011	75.68	78.25	77.93	79.67	81.56	81.38	81.72	78.25	76.82	76.65	76.76	76.30
2012	75.55	75.57	76.42	76.82	77.17	77.12	75.90	76.30	76.10	76.36	76.04	75.84
2013	75.66	75.39	77.06	77.36	77.81	76.70	76.30	75.61	75.74	75.37	76.04	75.72
2014	73.81	73.34	75.84	76.70	77.41	78.92	77.23	76.01	76.16	76.36	76.22	75.66
2015	73.98	75.01	76.19	76.88	77.81	77.30	76.54	76.36	76.52	76.65	76.04	76.19
2016	77.06	76.50	78.63	79.22	78.34	77.78	77.12	76.77	75.86	76.07	75.92	75.20
2017	75.37	75.59	76.30	76.82	78.45	77.72	78.16	77.93	77.72	78.68	78.02	77.81
2018	76.30	74.49	76.83	77.84	77.17	77.12	76.83	76.30	76.16	76.59	76.46	76.42
2019	75.72	75.97	76.94	78.44	77.93	78.80	77.41	76.25	76.46	75.72	75.98	75.78
2020	76.42	76.07	77.93	77.54	78.10	77.96	76.83	77.70	76.16	76.83	76.22	75.95
2021	75.26	74.24	76.42	77.36	77.75	76.52	77.41	75.95	76.04	77.00	76.34	75.72
2022	75.37	75.07	76.54	77.30	77.75	76.28	77.06	76.83	75.86	75.55	76.10	75.03
2023	74.79	75.14	75.61	77.66	79.90	77.90	76.83	76.54	75.98	76.54	76.34	76.36
2024	76.07	77.31	77.64	79.34	80.02	78.56	78.28	77.06	76.46	76.54	76.70	76.83
2025	75.20	74.88	76.77	76.94	77.93	77.42	76.74	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
1962	M	M	77.50	M	M	81.50	M	M	M	79.50	80.30	80.50
1963	81.50	82.75	81.46	83.58	81.75	81.67	81.25	80.55	82.07	78.75	79.89	79.75
1964	81.50	82.50	82.89	82.25	83.04	81.24	80.77	80.80	79.56	78.58	79.09	78.63
1965	78.12	80.00	80.48	81.11	81.98	81.52	80.75	79.60	80.05	79.27	79.40	79.15
1966	79.22	80.30	79.17	81.95	82.18	81.17	80.55	80.28	80.00	79.23	79.18	78.82
1967	78.47	79.57	81.19	81.46	81.81	80.41	80.52	80.47	80.34	79.20	79.87	79.86
1968	79.83	M	M	M	M	M	M	M	M	M	M	M
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	79.60	M	83.62	82.50	82.50	81.50	79.25	80.25	79.50	78.17	M	78.50
1974	55.50	83.00	81.50	77.33	80.50	80.17	79.50	79.50	M	79.25	78.00	M
1975	M	M	78.25	M	M	79.50	82.50	81.50	77.50	M	M	M
1976	M	78.50	77.50	83.00	M	M	M	79.50	74.83	80.50	80.50	M
1977	81.75	79.50	M	76.25	82.00	88.50	83.50	82.00	M	79.50	79.50	77.00
1978	82.00	82.50	M	84.75	M	M	79.50	M	M	M	M	M
1979	84.00	M	M	M	M	M	M	M	M	M	78.50	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	87.80	M	M	M	M	M	M	M	M
2001	87.80	78.80	M	78.80	87.80	78.20	87.80	83.60	78.80	M	M	M
2002	M	M	M	M	M	M	M	M	74.30	M	M	M
2003	84.18	82.82	83.30	84.05	84.43	83.11	81.20	M	M	M	M	M
2004	M	86.00	M	M	M	82.55	81.95	80.48	78.84	80.32	80.44	81.92
2005	82.55	81.92	81.88	80.39	79.76	82.76	80.98	77.90	M	77.09	78.62	79.41
2006	80.45	82.50	84.17	81.23	82.11	80.83	83.36	82.34	81.70	77.81	76.67	81.26
2007	81.38	81.98	82.37	83.21	83.76	82.79	81.99	81.82	81.26	79.82	80.51	79.99
2008	81.94	81.50	81.30	82.16	82.63	82.16	81.01	81.50	80.69	81.01	81.47	81.53
2009	80.22	80.73	81.70	82.58	82.05	83.27	82.17	81.21	82.13	81.53	81.11	82.14
2010	82.55	84.30	84.72	84.89	85.54	83.54	83.07	83.27	82.55	82.95	81.95	80.69
2011	81.44	81.95	81.81	83.20	83.75	83.65	84.04	82.23	82.37	82.49	82.52	82.57
2012	82.14	82.34	82.34	82.82	83.10	83.48	82.05	82.86	81.62	81.91	81.86	82.05
2013	82.05	82.11	83.62	83.18	83.94	82.85	82.34	81.70	81.23	80.69	81.71	81.76
2014	81.33	81.53	83.71	82.85	83.39	84.77	83.45	81.79	81.80	82.02	82.25	80.75
2015	81.30	82.40	83.21	82.97	83.45	83.12	82.52	82.34	82.04	82.31	81.86	82.78
2016	83.85	84.67	85.39	85.34	84.29	83.75	83.30	82.66	81.65	81.06	81.56	80.98
2017	81.24	82.34	82.55	82.94	84.14	83.84	84.11	84.00	83.33	84.43	83.12	84.14
2018	81.82	82.43	83.65	84.02	83.27	83.45	82.98	83.01	81.86	82.14	82.28	81.94
2019	83.30	83.75	84.35	84.80	83.45	84.11	83.59	82.89	82.52	81.76	82.07	82.28
2020	83.79	83.70	84.66	84.23	83.82	83.57	82.63	83.76	82.04	81.73	81.53	81.53
2021	81.35	82.62	83.42	83.24	83.74	82.79	83.33	81.79	81.98	82.66	81.53	81.79
2022	83.10	81.95	82.75	83.48	83.94	82.10	83.04	82.60	81.11	80.86	81.29	80.57
2023	81.15	82.08	83.01	83.93	85.80	83.75	82.95	82.46	81.89	82.31	81.95	82.52
2024	83.39	85.07	85.04	85.79	86.23	84.47	84.66	82.98	82.37	82.17	82.22	82.72
2025	81.85	81.95	83.62	82.97	83.68	83.57	83.30	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
1962	M	M	M	M	M	M	M	M	M	M	M	M
1963	M	M	M	M	M	76.2%	78.9%	M	M	84.6%	89.7%	M
1964	M	M	M	74.7%	79.8%	76.5%	M	81.3%	83.2%	86.7%	81.1%	79.4%
1965	M	76.5%	77.0%	79.2%	81.0%	78.5%	79.1%	83.8%	84.0%	85.6%	84.7%	83.5%
1966	74.4%	M	84.8%	80.9%	81.2%	81.6%	83.3%	80.0%	86.0%	84.2%	83.9%	85.2%
1967	79.8%	71.7%	76.7%	78.7%	79.1%	83.4%	80.1%	78.3%	81.2%	82.7%	83.3%	74.7%
1968	72.2%	M	M	M	M	M	M	M	M	M	M	M
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	77.5%	M	M	78.9%	M	M	M
1974	M	66.1%	M	M	M	79.5%	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	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	69.2%	75.3%	80.0%	81.9%	80.6%	81.8%	83.0%	M	M	M	M	M
2004	M	75.1%	79.5%	82.6%	80.4%	81.4%	82.1%	82.4%	83.9%	84.1%	82.3%	76.0%
2005	70.9%	73.1%	73.3%	78.9%	80.3%	79.8%	79.5%	81.0%	79.2%	82.2%	84.2%	83.3%
2006	76.8%	72.9%	78.7%	82.7%	83.8%	82.6%	81.0%	78.3%	83.2%	84.1%	85.8%	78.6%
2007	75.8%	75.0%	80.2%	82.9%	80.8%	83.0%	84.1%	81.9%	85.1%	87.8%	85.8%	84.0%
2008	78.6%	73.6%	83.8%	82.8%	81.4%	82.1%	82.4%	80.8%	82.8%	83.9%	82.9%	79.6%
2009	73.6%	77.0%	81.9%	81.9%	82.2%	77.5%	78.6%	85.9%	83.7%	85.3%	86.4%	80.9%
2010	79.0%	76.5%	78.1%	82.2%	80.4%	82.5%	81.6%	81.6%	83.3%	81.2%	85.6%	85.6%
2011	79.7%	77.7%	83.6%	81.4%	81.5%	81.2%	81.0%	81.9%	81.5%	84.5%	83.6%	79.1%
2012	77.9%	80.8%	82.2%	82.7%	82.4%	79.5%	81.8%	79.7%	85.6%	83.9%	85.7%	83.7%
2013	79.7%	80.7%	79.3%	83.1%	81.0%	82.4%	81.8%	81.7%	84.1%	86.0%	84.9%	80.4%
2014	74.0%	73.5%	74.0%	83.8%	84.3%	81.7%	84.9%	84.7%	85.6%	85.2%	85.0%	86.7%
2015	77.0%	72.6%	76.7%	84.0%	82.5%	84.6%	84.8%	84.3%	84.8%	85.4%	87.8%	82.8%
2016	80.6%	71.6%	73.6%	78.6%	83.8%	80.4%	82.5%	82.2%	81.6%	84.8%	85.7%	83.5%
2017	83.8%	78.9%	83.8%	86.1%	84.4%	81.7%	82.3%	80.9%	84.5%	81.6%	85.1%	79.3%
2018	85.2%	74.2%	78.7%	80.5%	82.2%	78.1%	78.9%	78.2%	83.2%	84.8%	84.7%	84.6%
2019	75.1%	75.0%	74.7%	80.0%	82.2%	80.3%	79.0%	81.8%	84.5%	86.8%	83.4%	77.0%
2020	72.5%	73.9%	77.5%	83.6%	85.5%	81.9%	83.9%	79.5%	81.7%	82.2%	84.1%	80.9%
2021	76.3%	68.1%	74.7%	80.8%	82.5%	81.7%	79.1%	83.1%	81.5%	82.0%	85.7%	79.6%
2022	75.0%	85.3%	84.7%	84.0%	82.4%	85.4%	84.4%	82.4%	84.5%	86.9%	88.4%	84.9%
2023	80.5%	80.8%	77.5%	80.8%	76.4%	82.4%	83.3%	83.4%	84.9%	85.7%	85.9%	84.1%
2024	79.5%	72.2%	72.6%	74.4%	73.5%	72.0%	70.6%	77.4%	82.2%	80.9%	79.2%	74.8%
2025	71.3%	68.3%	70.6%	78.5%	81.0%	79.7%	78.6%	M	M	M	M	M

Monthly Plots

Select month and year:

Jun 2025

JanFebMarAprMayJunJulAugSepOctNovDec 194819491950195119521953195419551956195719581959196019611962196319641965196619671968196919701971197219731974197519761977197819791980198119821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Aug 2025