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
1964	M	M	M	M	M	M	M	M	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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1969	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1970	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1971	0.00	0.00	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	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	M	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	0.00	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	M	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	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	0.00	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	0.00	0.00	0.00	M	M	0.00	0.00	M	0.00	0.00	M	M
2000	M	0.00	0.00	0.00	M	M	M	M	M	M	M	0.00
2001	0.00	0.00	0.00	0.00	M	0.00	0.00	M	0.00	M	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	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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1964	M	M	M	M	M	M	M	M	M	M	M	M
1965	M	M	M	M	M	M	M	M	M	M	M	M
1966	M	M	M	M	M	M	M	M	M	M	M	M
1967	M	M	M	M	M	M	M	M	M	M	M	M
1968	M	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	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	2.5	M	M	M	M	3.3	M	M	M	M
1977	M	M	M	5.1	M	M	M	M	M	8.0	M	0.0
1978	M	5.6	10.5	M	4.7	M	M	M	M	3.5	M	M
1979	M	5.4	M	M	2.1	3.1	M	M	1.6	M	5.1	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	3.8	3.2	3.6	3.9	2.2	2.3	1.8	1.8	2.8	3.2	4.3	1.6
1983	0.9	2.7	3.3	3.3	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	0.0
2001	2.2	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	M	M	M	M	M	M	0.9	M	M
2004	M	M	M	4.7	M	M	M	2.6	2.2	2.4	M	M
2005	2.8	M	4.5	2.7	M	1.8	1.4	1.1	4.2	1.8	1.9	M
2006	2.1	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	1.6	2.4	2.2	2.3	1.6	1.1	0.9	1.7	1.4	1.7	1.8	1.6
2012	1.2	2.4	2.4	1.8	1.1	1.1	1.0	0.9	1.0	1.2	1.3	0.8
2013	1.3	1.9	1.8	1.7	0.8	1.1	0.6	1.0	0.9	0.8	2.1	1.0
2014	2.2	3.1	3.1	2.8	2.1	1.4	1.3	1.6	1.3	1.4	1.7	1.1
2015	1.8	2.1	3.4	2.4	1.5	1.1	1.1	1.4	1.7	1.4	0.7	1.0
2016	3.3	3.1	3.7	3.3	1.3	1.0	1.2	2.1	1.2	1.9	1.8	1.6
2017	1.6	2.7	2.8	2.2	1.9	1.0	1.6	1.7	1.9	1.5	2.5	2.1
2018	1.6	2.5	3.7	2.6	1.3	1.2	1.4	1.7	1.3	1.5	1.4	1.9
2019	2.2	2.6	3.9	3.2	2.3	1.4	2.2	3.3	3.0	2.5	2.7	2.6
2020	2.3	3.3	4.2	3.3	3.8	3.3	3.9	4.0	4.2	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	3.2	3.2
2022	3.7	4.1	4.0	3.2	2.8	2.7	3.0	3.1	3.0	3.3	2.9	3.0
2023	3.5	4.6	4.8	4.9	3.6	3.0	3.4	3.9	3.7	3.4	3.3	3.5
2024	4.1	5.3	5.6	5.0	3.8	3.4	3.6	3.8	3.6	3.5	3.5	3.3

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1964	M	M	M	M	M	M	M	M	89.71	89.67	90.85	91.70
1965	91.00	93.53	92.56	91.50	92.00	90.40	92.05	91.56	90.25	90.05	90.04	93.36
1966	92.85	95.41	92.35	92.20	89.08	91.38	91.00	90.81	90.42	89.92	89.23	90.54
1967	93.84	92.50	91.77	92.08	91.54	89.29	90.12	91.93	89.21	88.79	90.56	92.48
1968	92.17	90.25	93.12	90.80	90.22	89.58	90.57	88.32	88.66	88.82	90.00	91.83
1969	91.67	92.04	94.61	92.89	91.03	89.35	90.88	89.67	89.82	88.85	89.77	90.48
1970	90.46	92.14	92.72	92.00	90.05	89.33	89.56	87.33	86.10	87.83	87.33	89.00
1971	89.21	89.94	M	M	M	M	M	M	M	M	M	M
1972	M	M	M	M	M	M	M	M	M	M	M	M
1973	94.29	93.67	93.85	94.52	91.05	91.10	92.80	89.86	88.10	89.35	88.00	89.59
1974	90.81	91.71	90.17	91.33	89.14	90.05	88.50	88.08	87.72	86.46	85.90	88.48
1975	87.75	90.67	M	91.20	88.56	89.21	87.29	87.64	86.73	85.68	85.77	86.00
1976	88.38	89.52	90.35	88.35	87.40	88.79	89.67	88.81	88.44	88.23	89.11	90.10
1977	89.46	90.33	90.11	91.00	88.48	89.33	90.16	88.92	89.74	89.20	87.71	88.04
1978	87.37	89.93	91.14	89.81	87.89	86.50	86.92	89.31	86.93	88.62	88.52	89.18
1979	90.09	91.52	91.14	89.93	89.45	88.40	88.03	88.17	M	88.41	87.39	89.48
1980	89.93	90.50	89.79	89.61	88.36	88.48	89.00	86.75	M	86.35	88.14	87.61
1981	88.40	82.11	82.83	81.14	83.89	82.27	89.56	91.00	90.00	M	70.00	90.50
1982	80.59	65.00	71.38	86.86	87.24	88.29	89.56	89.48	88.33	84.88	87.83	75.00
1983	M	89.73	93.67	90.00	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	89.00	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	90.75	87.00	87.00	M	M	90.50	87.00	M	87.00	87.00	M	M
2000	M	90.00	90.00	94.50	M	M	M	M	M	M	M	90.00
2001	90.33	94.00	95.00	91.50	M	89.50	92.00	M	89.50	M	89.50	89.00
2002	89.00	88.00	93.00	93.00	99.00	90.53	79.00	89.50	91.00	92.00	90.33	91.00
2003	91.00	91.40	93.00	99.00	86.07	81.00	87.50	89.67	87.65	86.88	89.29	88.08
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	93.00	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	75.20	M	M	M	M	M	M	84.20	M	M	77.00	86.93
2011	91.06	92.37	90.16	90.40	91.37	89.81	89.72	89.74	89.41	88.85	89.90	89.60
2012	91.52	92.70	94.88	90.92	89.66	90.47	91.11	90.95	90.26	89.42	90.34	91.75
2013	92.60	93.01	92.10	92.54	90.24	91.34	91.57	90.53	89.48	90.18	90.20	91.72
2014	92.85	94.10	93.02	93.98	90.76	92.30	94.25	91.47	90.26	89.83	90.26	91.86
2015	93.49	94.61	95.81	95.30	92.50	94.46	92.45	93.20	91.46	90.70	90.08	93.84
2016	93.32	95.12	95.35	96.80	92.62	91.34	91.69	91.75	90.44	90.12	89.35	91.57
2017	92.68	94.04	93.26	93.20	90.82	90.26	90.30	91.34	89.66	90.70	90.32	91.81
2018	91.52	95.13	93.72	92.54	89.14	90.98	91.86	92.68	90.14	90.70	90.86	93.49
2019	93.43	95.00	94.07	94.34	89.43	91.28	91.69	91.92	89.84	88.90	91.04	91.81
2020	95.12	96.61	95.52	95.00	92.21	90.62	89.66	91.34	90.26	M	M	M
2021	M	M	82.40	82.40	M	M	78.80	M	M	80.60	90.20	92.27
2022	91.86	94.10	92.79	90.98	90.53	88.52	91.11	90.35	90.44	90.01	89.30	92.04
2023	92.27	95.00	94.07	93.62	92.68	91.82	91.75	93.08	92.42	91.05	91.76	94.42
2024	95.81	94.32	95.99	94.94	91.69	90.80	94.13	91.98	92.36	91.17	90.50	93.90

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1964	M	M	M	M	M	M	M	M	77.57	74.67	75.50	73.80
1965	74.45	74.29	74.56	75.85	76.50	75.67	75.85	75.28	74.95	76.33	75.25	76.29
1966	76.45	74.29	77.10	76.85	76.67	75.38	75.85	75.70	75.25	75.29	74.38	74.04
1967	74.68	74.38	73.73	76.27	76.29	75.33	75.56	76.26	76.63	76.08	75.32	75.29
1968	72.83	72.75	75.25	75.80	75.15	75.62	75.43	73.82	75.07	75.46	75.42	75.24
1969	76.41	75.24	78.04	77.36	77.87	75.19	76.71	76.10	75.46	75.35	75.73	75.36
1970	75.21	74.79	75.69	76.12	75.65	76.27	75.96	75.21	74.33	75.31	74.90	75.92
1971	73.64	74.29	M	M	M	M	M	M	M	M	M	M
1972	M	M	M	M	M	M	M	M	M	M	M	M
1973	76.12	76.92	77.22	79.04	78.33	76.86	76.80	74.43	75.90	75.69	76.56	74.64
1974	73.06	74.14	76.08	77.24	76.52	77.32	78.00	75.15	74.94	75.23	74.33	73.95
1975	76.00	75.33	M	77.80	76.69	74.64	75.06	76.00	74.82	74.82	74.53	74.15
1976	72.96	73.00	75.61	76.35	73.20	76.43	79.67	76.05	75.59	75.08	76.30	74.86
1977	74.54	75.59	76.36	77.50	76.52	77.00	77.32	76.17	78.26	79.47	80.50	83.59
1978	83.16	76.21	77.25	77.31	79.18	80.00	78.12	82.50	79.74	80.41	80.78	80.04
1979	77.95	76.48	76.45	76.25	77.81	80.76	77.03	77.55	M	77.27	77.70	83.76
1980	80.71	82.38	83.96	83.94	82.91	82.00	83.83	81.62	M	81.82	82.38	81.50
1981	80.40	77.44	77.00	75.57	77.22	75.36	87.38	90.00	78.00	M	66.33	90.25
1982	65.33	50.31	70.75	82.32	85.76	85.04	86.44	86.48	86.67	82.38	85.00	75.00
1983	M	88.73	87.89	82.00	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	75.00	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	74.00	76.00	74.00	M	M	76.50	75.50	M	73.00	75.33	M	M
2000	M	74.00	73.33	77.00	M	M	M	M	M	M	M	74.00
2001	73.50	74.00	76.00	77.00	M	76.00	78.00	M	74.50	M	74.00	76.00
2002	76.00	73.00	77.00	79.00	81.00	77.67	75.00	78.00	76.67	76.00	76.67	76.20
2003	78.00	76.96	77.80	74.00	78.40	76.33	77.50	83.20	78.90	77.88	78.00	77.48
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	77.00	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	75.20	M	M	M	M	M	M	84.20	M	M	77.00	74.97
2011	74.99	74.63	75.68	75.87	77.53	76.81	77.07	76.52	76.68	74.85	74.96	75.55
2012	74.27	74.33	76.25	76.34	75.03	75.62	76.25	75.32	74.24	72.70	75.26	75.78
2013	75.67	75.46	77.12	77.48	76.54	76.04	75.55	75.66	76.04	75.72	75.80	75.14
2014	75.66	76.16	77.81	78.14	77.13	76.58	78.05	76.80	76.10	76.36	76.76	76.42
2015	75.08	75.26	75.32	76.64	76.71	78.20	76.77	77.52	77.19	76.65	76.46	77.58
2016	76.13	77.56	77.87	76.76	76.25	76.40	76.54	76.36	76.22	77.00	77.50	76.77
2017	74.04	75.33	77.41	78.09	77.29	76.22	76.65	76.07	74.30	76.30	76.46	75.37
2018	75.78	75.20	76.54	76.40	75.95	76.76	76.36	75.32	75.44	74.85	76.22	74.27
2019	74.39	75.97	77.58	77.18	77.12	77.06	76.54	75.72	75.26	75.26	76.34	76.83
2020	74.68	75.82	77.06	78.44	78.16	76.82	75.72	76.42	75.14	M	M	M
2021	M	M	82.40	82.40	M	M	78.80	M	M	77.00	75.13	75.61
2022	73.81	74.62	75.72	75.86	75.95	75.14	75.78	75.08	75.26	75.08	75.08	73.98
2023	73.57	74.24	75.43	76.70	77.17	76.58	76.54	75.72	74.90	76.36	76.58	76.77
2024	76.01	76.44	77.87	78.14	77.46	76.94	77.06	76.25	76.04	75.55	75.38	74.80

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1964	M	M	M	M	M	M	M	M	83.64	82.17	83.17	82.75
1965	82.73	83.91	83.56	83.67	84.25	83.03	83.95	83.42	82.60	83.19	82.64	84.82
1966	84.65	84.85	84.72	84.53	82.88	83.38	83.42	83.26	82.83	82.60	81.81	82.29
1967	84.26	83.44	82.75	84.17	83.91	82.31	82.84	84.09	82.92	82.44	82.94	83.88
1968	82.50	81.50	84.19	83.30	82.69	82.60	83.00	81.07	81.86	82.14	82.71	83.53
1969	84.04	83.64	86.32	85.12	84.45	82.27	83.79	82.88	82.64	82.10	82.75	82.92
1970	82.84	83.46	84.21	84.06	82.85	82.80	82.76	81.27	80.22	81.57	81.12	82.46
1971	81.43	82.12	M	M	M	M	M	M	M	M	M	M
1972	M	M	M	M	M	M	M	M	M	M	M	M
1973	85.21	85.29	85.54	86.78	84.69	83.98	84.80	82.14	82.00	82.52	82.28	82.11
1974	81.94	82.93	83.12	84.29	82.83	83.68	83.25	81.62	81.33	80.85	80.12	81.21
1975	81.88	83.00	M	84.50	82.62	81.93	81.18	81.82	80.77	80.25	80.15	80.08
1976	80.67	81.26	82.98	82.35	80.30	82.61	84.67	82.43	82.02	81.65	82.70	82.48
1977	82.00	82.96	83.23	84.25	82.50	83.17	83.74	82.54	84.00	84.33	84.11	85.81
1978	85.26	83.07	84.20	83.56	83.54	83.25	82.52	85.91	83.33	84.52	84.65	84.61
1979	84.02	84.00	83.79	83.09	83.63	84.58	82.53	82.86	M	82.84	82.54	86.62
1980	85.32	86.44	86.88	86.78	85.64	85.24	86.42	84.19	M	84.09	85.26	84.56
1981	84.40	79.78	79.92	78.36	80.56	78.82	88.47	90.50	84.00	M	68.17	90.38
1982	72.96	57.66	71.06	84.59	86.50	86.66	88.00	87.98	87.50	83.62	86.42	75.00
1983	M	89.23	90.78	86.00	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	82.00	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	82.38	81.50	80.50	M	M	83.50	81.25	M	80.00	81.17	M	M
2000	M	82.00	81.67	85.75	M	M	M	M	M	M	M	82.00
2001	81.92	84.00	85.50	84.25	M	82.75	85.00	M	82.00	M	81.75	82.50
2002	82.50	80.50	85.00	86.00	90.00	84.10	77.00	83.75	83.83	84.00	83.50	83.60
2003	84.50	84.18	85.40	86.50	82.23	78.67	82.50	86.43	83.27	82.38	83.64	82.78
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	85.00	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	75.20	M	M	M	M	M	M	84.20	M	M	77.00	80.95
2011	83.03	83.50	82.92	83.13	84.45	83.31	83.40	83.13	83.04	81.85	82.43	82.57
2012	82.89	83.52	85.56	83.63	82.31	83.05	83.68	83.14	82.25	81.02	82.77	83.76
2013	84.13	84.23	84.61	85.01	83.39	83.69	83.56	83.10	82.76	82.95	83.00	83.43
2014	84.26	85.13	85.42	86.06	83.94	84.44	86.15	84.13	83.18	83.10	83.51	84.14
2015	84.29	84.94	85.56	85.97	84.61	86.33	84.61	85.36	84.33	83.68	83.27	85.71
2016	84.72	86.34	86.61	86.78	84.43	83.87	84.11	84.05	83.33	83.56	83.42	84.17
2017	83.36	84.68	85.33	85.65	84.05	83.24	83.47	83.71	81.98	83.50	83.39	83.59
2018	83.65	85.16	85.13	84.47	82.55	83.87	84.11	84.00	82.79	82.78	83.54	83.88
2019	83.91	85.49	85.83	85.76	83.27	84.17	84.11	83.82	82.55	82.08	83.69	84.32
2020	84.90	86.22	86.29	86.72	85.19	83.72	82.69	83.88	82.70	M	M	M
2021	M	M	82.40	82.40	M	M	78.80	M	M	78.80	82.67	83.94
2022	82.84	84.36	84.26	83.42	83.24	81.83	83.45	82.72	82.85	82.55	82.19	83.01
2023	82.92	84.62	84.75	85.16	84.93	84.20	84.14	84.40	83.66	83.71	84.17	85.59
2024	85.91	85.38	86.93	86.54	84.58	83.87	85.59	84.11	84.20	83.36	82.94	84.35

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
1964	M	M	M	M	M	M	M	M	M	M	M	M
1965	M	M	M	M	M	M	M	M	M	M	M	M
1966	M	M	M	M	M	M	M	M	M	M	M	M
1967	M	M	M	M	M	M	M	M	M	M	M	M
1968	M	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	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	69.9%	M	M	M	M	90.5%	M	M	M	M
1977	M	M	M	83.3%	M	M	M	M	M	69.3%	M	76.4%
1978	M	78.2%	63.2%	M	86.0%	M	M	M	M	82.1%	M	M
1979	M	71.0%	M	M	82.1%	85.7%	M	M	M	M	80.0%	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	77.9%	83.9%	75.1%	68.1%	70.1%	70.3%	67.8%	66.6%	71.6%	83.1%	73.5%	83.2%
1983	M	68.6%	62.8%	74.4%	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	81.9%
2001	81.3%	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	M	M	M	M	M	M	89.6%	M	M
2004	M	M	M	93.5%	M	M	M	79.4%	81.4%	83.0%	M	M
2005	77.1%	M	75.1%	81.9%	M	81.4%	80.8%	82.3%	80.7%	82.3%	81.9%	M
2006	75.3%	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	81.3%	79.0%	79.2%	82.2%	81.7%	84.6%	83.4%	84.8%	83.5%	85.0%	84.0%	83.2%
2012	79.5%	78.1%	75.8%	83.1%	85.2%	85.4%	84.2%	86.1%	85.4%	85.9%	84.9%	83.8%
2013	78.2%	80.3%	81.5%	81.5%	85.5%	84.3%	83.3%	84.7%	85.4%	84.6%	84.0%	80.5%
2014	77.7%	76.6%	76.7%	79.5%	82.3%	83.3%	80.1%	82.6%	84.7%	85.5%	83.1%	82.4%
2015	77.8%	76.7%	75.0%	78.9%	83.2%	79.6%	83.1%	82.7%	84.3%	84.4%	84.8%	81.8%
2016	79.4%	76.4%	75.9%	78.4%	83.6%	83.0%	83.4%	83.4%	84.3%	82.8%	84.3%	80.4%
2017	78.2%	75.3%	76.2%	80.4%	83.2%	85.1%	81.6%	84.2%	86.1%	85.3%	82.4%	79.5%
2018	82.1%	74.9%	77.5%	82.1%	87.3%	85.6%	83.8%	84.0%	87.0%	86.1%	87.6%	82.8%
2019	79.8%	78.4%	75.6%	78.6%	84.1%	85.8%	84.2%	85.0%	87.3%	87.0%	83.9%	83.0%
2020	77.1%	75.7%	71.9%	75.1%	81.4%	82.1%	84.6%	81.4%	83.5%	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	85.0%	82.6%
2022	80.5%	78.3%	80.6%	85.4%	85.4%	85.8%	84.6%	85.6%	86.4%	85.0%	85.4%	81.0%
2023	79.6%	76.3%	75.2%	77.1%	82.6%	83.8%	84.4%	82.3%	84.7%	83.9%	84.1%	81.5%
2024	78.8%	77.1%	75.5%	79.5%	84.2%	84.4%	82.1%	83.3%	84.0%	84.8%	82.1%	78.5%

Monthly Plots

Select month and year:

Nov 2024

JanFebMarAprMayJunJulAugSepOctNovDec 195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

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