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	M	M	M	M	0.00	0.00	M	M	M	M	M	M
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	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	M	M
1979	M	M	0.00	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1980	M	0.00	0.00	0.00	M	M	0.00	0.00	0.00	0.00	0.00	M
1981	M	M	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	M	M	0.00	0.00	0.00	0.00
1983	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	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	M	M	M	M	M
1986	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M	M	0.00	0.00
1987	0.00	M	M	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	0.00	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	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	M	M	M	0.00	0.00	0.00	0.00	0.00	M
2000	0.00	M	M	M	M	M	M	M	M	M	M	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	0.00	0.00	0.00	0.00	0.00	0.00	7.95	0.87	0.00	0.35	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	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	M	0.00	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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1973	M	M	M	M	9.5	6.5	M	M	M	M	M	M
1974	12.2	12.3	14.0	17.8	6.3	4.0	5.1	6.2	5.3	6.9	6.4	9.6
1975	11.4	12.8	11.5	11.4	6.6	7.4	4.6	3.7	4.2	4.8	6.5	6.9
1976	9.6	11.7	12.2	8.5	7.2	6.3	5.4	5.2	5.0	5.1	8.6	9.3
1977	12.1	11.5	13.6	11.2	5.3	4.9	5.4	5.6	4.7	5.9	5.4	9.8
1978	10.7	9.8	10.9	7.4	6.6	5.5	6.0	4.7	5.0	5.5	M	M
1979	M	M	12.5	M	7.3	3.8	5.2	6.1	5.9	5.3	6.6	9.6
1980	M	11.8	12.8	11.7	M	M	6.4	4.2	3.7	5.4	7.1	M
1981	M	M	8.7	5.3	4.7	5.6	4.5	4.7	4.7	6.3	8.1	8.3
1982	9.4	8.5	10.3	6.2	4.9	M	M	M	4.0	9.7	11.7	12.6
1983	10.0	9.6	9.3	8.2	6.7	6.9	2.7	0.0	M	M	6.0	6.8
1984	6.6	7.6	8.2	6.3	6.4	3.5	1.2	0.2	0.2	0.3	1.8	M
1985	M	M	0.0	1.1	5.6	1.2	M	M	M	M	M	M
1986	0.0	0.0	0.0	M	M	M	M	M	M	M	0.0	M
1987	M	M	M	0.0	0.0	3.4	0.0	0.0	0.2	0.0	1.1	0.0
1988	0.5	0.0	0.0	0.0	0.2	0.0	1.9	0.0	0.0	0.0	2.2	0.0
1989	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.2	0.0	5.2
1990	6.2	7.3	7.6	6.1	5.5	3.5	3.8	3.5	3.3	3.1	4.5	5.8
1991	6.9	6.9	6.9	5.7	4.6	4.0	3.3	3.4	3.8	3.6	4.4	5.5
1992	6.3	7.1	7.8	6.8	4.1	3.7	3.0	3.6	4.3	4.1	4.5	5.7
1993	6.2	7.2	7.2	5.2	5.0	5.9	5.6	6.5	7.6	6.7	6.9	9.5
1994	9.0	13.8	16.1	14.6	7.6	6.3	5.0	3.9	4.0	4.0	4.2	6.0
1995	7.2	7.8	6.4	5.1	4.6	3.7	3.6	3.4	3.4	3.6	4.4	5.3
1996	6.0	6.8	7.5	7.1	5.1	4.7	3.8	3.7	3.6	4.2	5.0	5.9
1997	6.6	7.7	8.1	6.5	5.4	5.1	3.8	4.0	4.2	4.4	5.3	7.1
1998	7.5	7.0	7.5	5.3	3.9	4.5	4.1	4.0	4.7	4.7	5.6	5.9
1999	6.9	7.2	6.7	M	M	M	4.2	4.4	3.9	4.2	4.2	M
2000	6.3	M	M	M	M	M	M	M	M	M	M	7.2
2001	7.0	7.6	7.8	7.7	8.1	6.3	4.9	4.2	4.6	5.1	5.0	5.4
2002	6.5	8.2	8.3	6.7	6.5	4.1	4.8	3.8	3.9	4.3	4.8	6.6
2003	7.3	8.0	7.4	5.9	5.1	4.1	3.7	3.7	3.5	3.7	3.8	5.5
2004	6.8	7.2	7.6	5.9	4.7	5.1	4.2	4.3	4.0	4.3	5.0	1.7
2005	1.2	0.9	0.5	0.3	2.6	3.9	3.8	3.6	5.2	4.4	4.4	5.9
2006	6.1	7.6	7.6	1.0	0.0	0.0	0.0	0.0	4.5	0.0	1.5	1.3
2007	1.6	0.0	0.0	0.6	0.7	2.4	4.4	4.0	3.9	4.1	4.9	5.5
2008	6.0	7.0	7.3	6.9	4.8	4.6	3.5	3.5	4.3	3.7	4.1	5.0
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	4.6	3.6	4.3	4.4	4.7
2012	2.5	0.6	0.0	0.0	0.0	0.0	3.7	3.4	3.4	1.5	0.1	0.0
2013	0.1	0.0	0.0	0.0	0.2	1.4	0.0	0.0	0.0	0.0	0.5	0.0
2014	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2015	0.0	0.0	0.6	0.0	0.0	0.0	0.0	M	0.0	0.0	0.0	M
2016	M	M	M	M	M	M	0.0	0.0	0.7	0.0	M	0.0
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	5.2
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	3.5	4.6	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

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1973	M	M	M	M	95.00	90.18	M	M	M	M	M	M
1974	90.33	88.44	91.42	91.50	89.20	87.58	86.68	87.54	89.47	88.45	89.05	88.86
1975	89.84	91.64	94.74	94.30	90.00	87.33	86.30	87.29	85.74	87.33	88.70	88.33
1976	88.46	89.96	89.60	90.59	87.90	83.32	83.48	85.21	88.64	87.75	87.89	88.12
1977	89.50	91.00	92.64	92.66	87.23	84.69	84.85	85.60	85.00	89.15	89.08	89.89
1978	90.70	93.05	95.05	92.80	89.96	85.80	86.57	82.85	87.44	88.36	M	M
1979	M	M	94.83	M	88.75	83.59	86.10	87.90	90.33	88.52	91.29	89.50
1980	M	92.21	92.50	98.50	M	M	85.79	85.50	93.00	88.47	88.30	M
1981	M	M	96.50	87.94	86.50	84.88	82.38	85.61	86.52	89.07	90.93	90.29
1982	90.65	89.00	93.18	88.90	84.38	81.50	M	M	88.67	85.50	90.90	91.21
1983	93.10	95.32	98.30	94.29	89.26	88.67	90.67	90.00	M	M	91.65	91.10
1984	92.77	94.41	97.32	96.29	93.12	86.50	86.07	86.37	88.21	89.70	89.42	87.50
1985	90.67	92.00	95.17	94.79	87.87	84.00	87.00	M	M	M	M	M
1986	89.71	92.36	93.71	95.46	87.22	86.00	M	M	M	M	90.50	88.90
1987	92.00	M	M	92.12	86.95	84.50	86.12	86.00	88.16	89.54	91.21	93.00
1988	93.14	93.43	96.17	97.04	92.70	84.68	83.81	84.63	86.62	88.79	87.70	86.27
1989	86.59	87.44	89.33	89.96	85.74	82.32	79.59	81.46	84.38	85.55	87.14	90.54
1990	90.56	93.79	94.65	96.57	90.74	87.47	87.55	88.42	90.80	91.97	92.21	92.79
1991	92.13	95.64	94.52	95.67	94.74	89.07	86.76	85.10	87.87	90.00	90.37	89.26
1992	90.93	94.17	97.30	95.87	87.87	86.43	84.17	84.13	86.30	87.26	87.37	88.58
1993	90.10	92.93	95.00	90.70	83.45	78.81	83.75	80.67	32.00	M	M	M
1994	M	M	M	46.00	60.00	81.25	80.22	85.82	88.03	89.48	89.03	90.90
1995	92.17	95.57	96.35	95.57	91.55	86.70	86.74	88.06	90.43	90.61	90.93	92.23
1996	93.50	94.97	96.61	97.33	91.42	86.10	84.68	87.58	87.97	89.26	89.80	90.29
1997	91.00	90.36	93.70	95.03	91.55	89.40	86.10	87.42	88.83	90.96	91.67	92.79
1998	95.14	97.29	97.13	93.69	89.97	86.35	86.55	88.39	89.44	90.04	89.81	90.43
1999	90.32	92.12	94.00	M	M	M	84.67	86.43	88.19	88.00	89.41	M
2000	91.33	M	M	M	M	M	M	M	M	M	M	90.14
2001	91.26	89.52	95.18	96.00	87.75	84.62	86.38	87.07	89.30	90.87	91.90	91.93
2002	91.41	95.14	97.19	95.77	94.20	87.46	88.71	86.74	89.38	91.90	89.70	91.93
2003	94.57	95.12	97.03	94.29	89.74	88.81	86.02	88.83	87.75	89.77	91.01	92.06
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	94.67	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	95.00	M	M	M	M	M	M	M	M
2010	75.20	M	M	M	87.80	M	M	78.80	M	M	M	89.60
2011	90.63	M	M	80.60	M	84.20	77.00	86.68	88.52	90.12	91.04	89.28
2012	90.70	92.89	92.74	92.00	89.02	87.35	86.00	87.39	89.00	91.46	92.18	90.94
2013	91.52	94.23	96.45	94.28	90.70	88.92	90.41	93.72	93.68	95.35	90.98	89.95
2014	90.82	94.10	95.75	96.20	94.83	90.02	88.85	86.75	88.82	89.25	89.54	91.15
2015	91.70	93.26	92.13	91.40	87.35	87.38	88.16	M	96.80	83.30	93.20	89.00
2016	M	M	M	89.60	77.00	78.80	85.52	89.15	86.47	87.66	M	83.23
2017	M	M	M	M	M	M	M	M	M	M	M	86.00
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	93.95
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	86.72	84.20	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

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1973	M	M	M	M	78.75	78.18	M	M	M	M	M	M
1974	71.67	74.39	75.75	79.83	78.00	76.67	75.86	78.54	74.20	74.10	76.16	71.71
1975	71.74	74.24	74.94	76.87	74.85	73.44	73.30	75.11	75.00	73.07	74.30	71.95
1976	70.32	72.85	73.44	74.07	75.10	73.00	73.59	76.67	77.43	76.65	75.63	73.04
1977	74.17	74.85	77.32	79.28	75.77	74.31	75.85	75.55	74.00	76.92	74.71	73.57
1978	72.81	74.68	77.15	76.36	75.92	73.57	73.53	72.45	76.52	75.64	M	M
1979	M	M	78.00	M	76.25	73.53	73.84	75.67	76.92	75.86	74.76	74.90
1980	M	77.37	77.50	76.00	M	M	75.36	75.05	82.00	76.71	74.70	M
1981	M	M	73.75	74.67	74.50	74.67	73.75	74.89	75.28	77.52	74.39	74.43
1982	74.59	75.33	75.71	76.10	75.08	75.50	M	M	78.17	72.75	74.70	73.72
1983	73.94	74.68	76.53	77.04	75.74	76.52	78.19	79.29	M	M	76.04	74.06
1984	72.29	73.48	76.46	75.71	77.54	74.21	73.59	75.93	77.86	78.63	76.58	73.50
1985	69.67	71.67	76.78	77.37	76.67	74.17	73.60	M	M	M	M	M
1986	73.57	73.79	75.41	78.69	75.11	75.29	M	M	M	M	75.00	74.50
1987	72.33	M	M	76.12	74.95	74.89	75.81	74.63	77.04	76.38	77.50	76.91
1988	72.00	74.65	76.38	79.54	77.20	74.44	73.48	73.85	74.58	76.00	72.78	70.43
1989	68.76	67.72	70.29	73.00	70.97	69.40	68.31	69.38	70.46	70.10	70.41	71.36
1990	75.44	74.42	77.19	79.21	76.06	74.93	74.03	74.45	75.60	76.97	75.72	74.21
1991	72.68	75.68	76.42	77.27	77.03	74.47	73.17	72.61	74.57	74.03	74.73	72.71
1992	72.10	73.34	76.17	80.73	74.13	72.50	71.69	71.48	72.67	72.87	72.57	71.03
1993	70.21	71.93	72.35	71.80	73.29	76.38	77.00	74.33	32.00	M	M	M
1994	M	M	M	46.00	60.00	68.80	67.43	73.96	76.17	75.77	75.20	73.16
1995	72.50	74.04	74.81	75.90	75.45	75.00	73.97	74.45	74.80	74.45	73.93	72.68
1996	70.90	73.66	75.45	77.67	76.87	75.55	73.87	75.06	75.67	75.77	75.53	73.97
1997	71.65	73.86	74.40	77.41	75.94	74.97	74.06	75.55	75.33	76.21	75.73	73.93
1998	75.03	77.18	78.23	77.45	76.14	75.47	75.19	76.00	76.70	76.86	75.10	74.43
1999	73.50	73.84	73.27	M	M	M	72.67	74.82	74.85	75.52	76.36	M
2000	75.33	M	M	M	M	M	M	M	M	M	M	74.00
2001	72.00	73.74	74.61	77.86	79.50	76.88	76.02	75.27	75.90	76.87	76.90	75.54
2002	75.30	75.64	77.06	77.43	77.40	74.77	75.84	76.32	77.19	75.90	73.50	74.03
2003	74.06	75.71	75.81	76.36	75.88	73.41	74.92	76.09	73.43	75.11	75.80	74.23
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	78.47	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	95.00	M	M	M	M	M	M	M	M
2010	75.20	M	M	M	87.80	M	M	78.80	M	M	M	81.02
2011	78.80	M	M	77.00	M	82.40	77.00	77.67	77.90	76.83	78.08	74.90
2012	74.50	75.08	76.83	76.10	75.84	74.86	75.80	74.91	76.82	76.54	77.54	76.48
2013	75.32	76.49	79.15	78.32	77.17	75.63	75.95	77.58	77.48	76.48	75.44	74.79
2014	70.96	74.24	76.25	76.70	75.37	75.38	75.20	74.91	75.02	75.08	76.38	75.94
2015	76.82	75.65	75.87	79.66	81.61	80.71	81.68	M	87.80	81.05	86.60	87.80
2016	M	M	M	89.60	75.20	78.80	79.64	81.65	80.41	82.68	M	81.98
2017	M	M	M	M	M	M	M	M	M	M	M	86.00
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	72.65
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	74.48	74.30	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

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	86.88	84.18	M	M	M	M	M	M
1974	81.00	81.42	83.58	85.67	83.60	82.12	81.27	83.04	81.83	81.28	82.61	80.29
1975	80.79	82.94	84.84	85.59	82.43	80.39	79.80	81.20	80.37	80.20	81.50	80.14
1976	79.39	81.40	81.52	82.33	81.50	78.16	78.53	80.94	83.04	82.20	81.76	80.58
1977	81.83	82.92	84.98	85.97	81.50	79.50	80.35	80.58	79.50	83.04	81.90	81.73
1978	81.76	83.86	86.10	84.58	82.94	79.68	80.05	77.65	81.98	82.00	M	M
1979	M	M	86.42	M	82.50	78.56	79.97	81.78	83.62	82.19	83.02	82.20
1980	M	84.79	85.00	87.25	M	M	80.57	80.28	87.50	82.59	81.50	M
1981	M	M	85.12	81.31	80.50	79.77	78.06	80.25	80.90	83.29	82.66	82.36
1982	82.62	82.17	84.45	82.50	79.73	78.50	M	M	83.42	79.12	82.80	82.47
1983	83.52	85.00	87.42	85.66	82.50	82.59	84.43	84.64	M	M	83.85	82.58
1984	82.53	83.94	86.89	86.00	85.33	80.35	79.83	81.15	83.03	84.17	83.00	80.50
1985	80.17	81.83	85.97	86.08	82.27	79.08	80.30	M	M	M	M	M
1986	81.64	83.07	84.56	87.08	81.17	80.64	M	M	M	M	82.75	81.70
1987	82.17	M	M	84.12	80.95	79.69	80.97	80.32	82.60	82.96	84.36	84.95
1988	82.57	84.04	86.28	88.29	84.95	79.56	78.64	79.24	80.60	82.39	80.24	78.35
1989	77.68	77.58	79.81	81.48	78.35	75.86	73.95	75.42	77.42	77.83	78.78	80.95
1990	83.00	84.11	85.92	87.89	83.40	81.20	80.79	81.44	83.20	84.47	83.97	83.50
1991	82.40	85.66	85.47	86.47	85.89	81.77	79.97	78.85	81.22	82.02	82.55	80.98
1992	81.52	83.76	86.73	88.30	81.00	79.47	77.93	77.81	79.48	80.06	79.97	79.81
1993	80.16	82.43	83.68	81.25	78.37	77.59	80.38	77.50	32.00	M	M	M
1994	M	M	M	46.00	60.00	75.03	73.83	79.89	82.10	82.63	82.12	82.03
1995	82.33	84.80	85.58	85.73	83.50	80.85	80.35	81.26	82.62	82.53	82.43	82.45
1996	82.20	84.31	86.03	87.50	84.15	80.83	79.27	81.32	81.82	82.52	82.67	82.13
1997	81.32	82.11	84.05	86.22	83.74	82.18	80.08	81.48	82.08	83.58	83.70	83.36
1998	85.09	87.23	87.68	85.57	83.05	80.91	80.87	82.19	83.07	83.45	82.45	82.43
1999	81.91	82.98	83.63	M	M	M	78.67	80.62	81.52	81.76	82.89	M
2000	83.33	M	M	M	M	M	M	M	M	M	M	82.07
2001	81.63	81.63	84.89	86.93	83.62	80.75	81.20	81.17	82.60	83.87	84.40	83.73
2002	83.35	85.39	87.13	86.60	85.80	81.12	82.27	81.53	83.29	83.90	81.60	82.98
2003	84.32	85.41	86.42	85.32	82.81	81.11	80.47	82.46	80.59	82.44	83.40	83.15
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	86.57	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	95.00	M	M	M	M	M	M	M	M
2010	75.20	M	M	M	87.80	M	M	78.80	M	M	M	85.31
2011	84.71	M	M	78.80	M	83.30	77.00	82.18	83.21	83.47	84.56	82.11
2012	82.60	83.98	84.78	84.05	82.43	81.11	80.90	81.15	82.91	83.99	84.86	83.71
2013	83.42	85.36	87.80	86.30	83.94	82.28	83.18	85.65	85.58	85.91	83.21	82.37
2014	80.89	84.17	86.00	86.45	85.10	82.70	82.02	80.83	81.92	82.17	82.96	83.55
2015	84.26	84.46	84.00	85.53	84.48	84.04	84.92	M	92.30	82.17	89.90	88.40
2016	M	M	M	89.60	76.10	78.80	82.58	85.40	83.44	85.17	M	82.61
2017	M	M	M	M	M	M	M	M	M	M	M	86.00
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	83.30
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	80.60	79.25	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

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	56.4%	61.8%	M	M	M	M	M	M
1974	71.3%	69.8%	63.9%	61.6%	63.3%	85.1%	85.4%	80.1%	85.0%	83.2%	82.0%	74.8%
1975	72.8%	67.8%	65.9%	63.8%	74.7%	77.6%	83.7%	83.8%	83.7%	82.5%	79.9%	78.4%
1976	72.4%	69.8%	70.9%	71.2%	76.2%	84.5%	84.9%	82.9%	78.6%	81.3%	77.5%	77.1%
1977	65.8%	66.7%	65.2%	57.0%	73.5%	82.5%	80.2%	83.9%	87.9%	81.1%	80.8%	73.3%
1978	72.1%	69.6%	56.4%	66.7%	74.5%	84.2%	81.3%	86.0%	79.1%	80.0%	M	M
1979	M	M	57.0%	M	75.8%	90.1%	85.1%	82.9%	80.0%	82.7%	79.3%	79.1%
1980	M	63.1%	65.7%	66.9%	M	M	86.7%	87.3%	67.2%	84.8%	84.0%	M
1981	M	M	68.0%	83.4%	90.3%	90.6%	89.6%	88.4%	89.0%	85.2%	79.2%	84.1%
1982	72.9%	70.6%	74.7%	82.5%	89.0%	M	M	M	82.9%	88.3%	81.3%	80.0%
1983	75.6%	74.5%	66.1%	75.5%	87.2%	83.4%	82.4%	87.1%	M	M	75.3%	73.6%
1984	70.3%	65.9%	62.1%	63.3%	70.4%	86.3%	87.1%	84.4%	81.6%	80.6%	84.8%	M
1985	M	M	71.7%	79.2%	82.4%	82.5%	M	M	M	M	M	M
1986	78.7%	76.7%	69.8%	M	M	M	M	M	M	M	85.9%	M
1987	M	M	M	79.2%	86.6%	90.0%	90.2%	86.0%	88.2%	86.8%	81.4%	81.0%
1988	72.4%	70.1%	67.9%	67.9%	74.6%	86.1%	90.5%	89.2%	87.2%	85.6%	87.7%	85.4%
1989	82.6%	77.6%	75.9%	75.1%	81.4%	86.9%	89.9%	86.6%	84.1%	85.9%	81.4%	78.6%
1990	81.9%	73.9%	73.7%	73.6%	82.8%	90.9%	89.4%	89.0%	86.8%	85.0%	84.2%	81.9%
1991	78.5%	74.1%	75.7%	75.9%	79.5%	85.2%	89.0%	89.9%	87.6%	85.6%	85.0%	82.4%
1992	76.9%	74.6%	70.0%	69.3%	84.8%	88.5%	92.4%	89.5%	88.6%	86.6%	87.3%	82.9%
1993	81.3%	76.4%	74.5%	79.5%	87.0%	85.6%	87.9%	89.0%	M	M	M	M
1994	M	M	M	M	69.3%	84.9%	87.3%	87.2%	85.8%	83.7%	83.0%	79.8%
1995	74.9%	70.6%	68.6%	71.5%	80.9%	90.4%	90.5%	89.3%	85.4%	84.5%	79.4%	75.5%
1996	68.6%	64.9%	58.2%	56.4%	76.9%	85.6%	90.0%	87.4%	85.5%	83.4%	83.5%	79.8%
1997	73.9%	73.2%	64.2%	66.3%	75.7%	82.4%	87.6%	82.8%	79.4%	78.3%	78.0%	74.0%
1998	68.6%	64.7%	63.3%	73.6%	83.8%	89.6%	87.7%	83.4%	84.2%	83.6%	82.7%	80.8%
1999	77.0%	72.5%	72.9%	M	M	M	93.7%	85.6%	85.1%	83.1%	86.3%	M
2000	77.0%	M	M	M	M	M	M	M	M	M	M	76.9%
2001	73.1%	76.4%	67.1%	57.5%	80.5%	79.0%	84.3%	89.4%	84.0%	79.7%	81.0%	79.3%
2002	73.3%	71.8%	69.1%	68.4%	72.1%	85.7%	84.2%	86.3%	83.8%	79.0%	81.8%	76.3%
2003	71.5%	69.9%	66.1%	66.0%	75.6%	83.5%	87.8%	85.1%	86.7%	83.8%	81.9%	78.8%
2004	74.7%	75.0%	66.7%	69.7%	88.4%	86.3%	88.3%	87.6%	85.3%	86.0%	84.0%	79.5%
2005	74.1%	66.5%	62.5%	73.7%	85.4%	86.7%	86.9%	89.2%	84.5%	84.6%	87.5%	79.3%
2006	80.1%	74.1%	72.1%	68.1%	89.0%	89.3%	92.0%	88.5%	83.7%	87.2%	81.8%	75.5%
2007	76.9%	73.6%	73.0%	70.8%	81.0%	82.7%	80.2%	88.8%	94.7%	87.7%	83.6%	81.2%
2008	79.3%	72.5%	67.9%	68.8%	79.7%	81.9%	89.1%	88.1%	88.2%	86.1%	84.7%	80.6%
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	79.6%	81.1%	80.0%	77.4%	76.6%
2012	77.0%	76.5%	M	M	M	M	88.4%	85.8%	82.1%	81.3%	73.0%	94.1%
2013	65.9%	74.5%	M	M	52.2%	80.2%	M	M	M	M	74.1%	M
2014	M	M	M	M	13.7%	M	M	19.6%	M	M	17.9%	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	77.1%	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	76.2%
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	88.5%	73.0%	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