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
1982	M	M	M	M	M	M	M	M	M	0.00	0.00	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	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	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	M	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	0.00	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	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	M	M	0.00	M	M	M	M	M	M
2003	M	M	M	M	0.00	0.00	M	M	0.00	M	M	0.00
2004	0.00	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	0.00	M	M	M	M	M	M	M
2006	M	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	0.00	0.00	0.00	0.00	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
1982	M	M	M	M	M	M	M	M	M	5.0	3.9	5.2
1983	4.8	5.8	4.8	5.2	4.9	4.4	7.6	7.6	8.5	7.9	7.3	7.9
1984	6.2	6.4	6.3	7.2	6.1	7.0	8.3	8.1	8.2	8.3	8.4	7.1
1985	7.2	5.9	6.5	6.8	5.6	6.0	7.4	7.4	7.7	7.7	7.9	6.7
1986	6.7	6.4	5.9	7.4	6.6	6.6	6.9	6.9	7.7	7.0	7.4	7.5
1987	6.0	6.4	5.7	5.9	6.5	6.0	7.1	6.4	7.9	7.1	6.6	5.7
1988	5.6	4.3	6.0	5.1	5.1	6.4	6.9	7.6	8.8	8.7	7.7	7.8
1989	7.2	5.4	5.8	6.7	7.7	6.6	6.9	8.5	8.5	7.8	7.3	8.8
1990	6.4	6.7	5.8	6.0	6.7	6.2	7.4	8.0	7.3	7.5	6.1	7.2
1991	7.6	6.3	6.9	6.4	7.1	7.6	7.7	9.1	8.8	8.1	7.3	7.1
1992	6.2	7.9	6.7	5.3	6.4	7.7	7.9	7.9	9.1	7.2	7.1	7.6
1993	5.8	6.6	5.1	6.0	7.4	7.7	7.4	6.7	6.9	7.1	7.7	8.1
1994	6.4	5.4	6.4	6.9	6.4	7.1	8.6	8.0	8.9	8.8	8.9	6.9
1995	6.1	6.9	6.1	5.7	5.4	7.0	7.5	7.0	9.1	7.1	7.2	6.9
1996	6.4	5.9	5.3	6.8	4.9	7.0	6.6	7.8	8.1	7.2	7.3	6.9
1997	6.6	5.6	6.3	5.7	6.7	7.4	6.0	7.0	6.7	8.2	M	6.7
1998	5.6	5.7	5.0	6.3	6.1	6.6	6.1	7.5	8.7	7.9	6.5	6.8
1999	5.3	5.8	5.7	4.8	6.7	6.1	7.5	7.7	8.0	7.5	7.6	7.4
2000	6.6	6.4	5.7	6.6	6.4	7.2	8.3	7.8	8.6	7.1	8.5	6.6
2001	6.6	5.8	6.7	6.7	7.1	7.1	7.9	8.4	8.6	7.8	6.8	7.1
2002	M	M	8.6	M	M	7.1	M	M	M	M	M	M
2003	M	M	M	M	M	7.6	M	M	M	M	M	8.3
2004	7.5	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	8.6	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	M	M	M	M	6.1	7.5	8.9	8.8	7.6	7.6	7.4
2008	7.2	6.9	6.5	6.0	5.6	6.1	5.8	7.6	8.1	7.5	7.3	7.4
2009	6.9	6.0	5.5	5.8	6.4	6.1	6.6	7.9	7.5	7.6	7.7	7.9
2010	6.9	7.3	7.2	7.3	6.5	7.0	8.1	7.8	8.7	7.5	7.9	7.1
2011	7.3	6.6	6.6	7.2	5.8	6.8	7.6	8.3	9.0	8.6	8.5	7.7
2012	7.5	7.1	6.7	6.9	6.9	7.0	7.6	9.0	8.8	8.7	8.2	7.2
2013	8.0	7.0	7.2	6.7	7.1	7.0	7.7	8.1	8.9	8.5	7.8	7.7
2014	7.4	7.6	7.2	6.7	6.8	7.3	7.5	7.8	9.0	8.8	7.6	7.6
2015	7.3	8.4	6.7	6.3	7.1	7.6	7.9	7.9	7.7	8.8	7.6	7.9
2016	8.2	7.0	7.4	6.9	6.9	6.9	7.4	8.3	8.1	8.5	7.9	8.4
2017	7.2	8.0	6.9	7.1	7.3	7.6	8.5	8.4	9.5	8.8	8.5	7.5
2018	7.1	6.8	6.9	6.4	6.7	6.4	6.2	6.5	7.3	7.4	8.4	7.4
2019	7.3	7.1	6.4	6.2	6.4	7.2	7.8	8.0	8.3	7.9	7.6	7.2
2020	7.2	7.7	6.8	6.3	6.5	7.9	7.7	8.7	8.6	8.4	8.1	7.3
2021	6.8	6.6	6.7	6.3	6.5	6.8	7.2	8.4	8.5	7.7	7.7	7.6
2022	6.8	6.5	6.0	3.9	6.5	6.1	7.5	7.9	8.3	8.1	7.7	8.0
2023	7.7	6.8	6.4	6.7	6.2	6.0	6.0	6.7	5.8	6.9	7.7	7.7
2024	6.7	7.2	6.9	6.6	6.8	7.0	7.0	8.1	8.5	7.8	8.2	7.8
2025	7.6	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
1982	M	M	M	M	M	M	M	M	M	82.83	85.57	80.28
1983	79.56	84.50	83.39	82.70	80.45	78.38	80.37	82.87	78.48	77.78	81.85	78.21
1984	85.29	86.68	84.77	80.47	82.55	81.07	80.94	79.19	79.90	86.16	84.73	80.97
1985	79.73	85.57	83.03	82.61	80.74	75.57	77.03	83.87	85.80	87.94	84.27	83.42
1986	82.90	84.64	83.57	80.83	80.10	78.03	75.65	78.19	82.43	84.65	83.97	80.21
1987	83.50	82.43	83.45	82.40	79.33	76.73	81.23	82.97	84.90	87.74	83.54	82.32
1988	85.74	82.90	84.03	82.23	80.87	77.10	76.23	83.39	88.80	82.79	82.37	82.45
1989	82.00	82.11	83.45	84.33	77.94	76.30	78.35	81.16	82.93	85.90	82.70	81.52
1990	86.16	85.46	86.80	86.03	80.35	79.77	77.61	81.55	82.33	86.77	88.70	86.77
1991	82.84	84.79	83.03	83.50	81.06	81.40	79.37	83.84	85.83	85.26	86.00	84.84
1992	83.65	82.29	83.16	83.03	82.81	80.34	80.65	82.06	79.37	82.94	83.77	84.48
1993	86.29	82.39	86.42	85.03	81.00	78.87	81.29	83.10	85.20	86.82	88.23	83.71
1994	83.13	88.86	83.97	84.36	84.61	80.63	81.32	85.97	91.23	90.23	86.53	86.35
1995	87.00	85.39	86.90	83.83	80.87	80.63	83.13	88.84	87.87	86.52	84.97	85.26
1996	85.94	87.00	85.52	85.23	80.10	79.27	81.65	85.13	83.23	87.74	83.30	84.29
1997	82.87	86.11	83.48	82.70	79.71	78.00	81.10	85.23	90.50	85.90	M	86.04
1998	86.67	86.46	86.71	86.00	79.66	79.80	82.77	83.96	84.52	85.60	84.25	82.70
1999	83.43	82.76	81.79	79.37	77.18	80.23	83.06	83.48	86.62	87.33	84.83	84.48
2000	84.10	83.55	83.26	83.40	79.84	81.43	77.94	85.76	83.07	88.62	82.19	84.26
2001	85.65	87.18	85.65	85.88	79.46	78.97	83.30	82.87	85.23	85.35	85.53	83.86
2002	83.00	70.00	88.00	M	M	79.00	M	M	M	M	M	M
2003	M	77.00	M	66.20	81.00	77.00	M	M	83.30	M	M	75.80
2004	70.00	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	81.00	M	M	M	M	M	M	M
2006	M	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	82.83	83.43	86.27	81.42	M	M	M	M	M	M	80.60	M
2010	75.20	M	M	M	86.00	M	M	85.10	M	M	69.80	85.25
2011	86.24	M	M	80.60	63.50	64.40	66.20	88.52	88.22	83.04	83.30	83.15
2012	80.95	85.38	84.66	83.36	77.58	79.58	79.46	81.01	87.38	89.77	84.92	84.38
2013	81.50	84.14	83.39	80.42	80.43	79.94	77.75	81.99	84.74	84.26	83.42	83.97
2014	86.52	86.58	83.85	82.94	79.61	80.06	77.93	84.32	87.86	89.43	84.62	81.76
2015	86.70	82.34	81.18	82.88	78.10	78.74	79.44	83.97	87.86	92.10	86.31	84.92
2016	83.10	86.43	85.59	84.46	81.41	77.72	81.35	84.32	87.55	87.28	83.12	84.66
2017	82.86	85.55	85.25	83.36	81.12	78.86	76.19	84.78	87.38	88.73	83.42	83.97
2018	83.85	83.69	86.93	82.04	80.08	81.02	81.18	81.94	86.00	86.29	82.10	85.65
2019	87.28	84.78	84.32	84.44	82.34	80.00	79.55	82.40	91.10	88.79	85.76	84.90
2020	85.07	83.70	84.68	83.72	76.36	77.36	79.50	82.63	90.20	87.09	86.42	84.03
2021	85.25	83.56	84.84	82.88	81.24	79.10	78.22	84.03	92.84	85.48	85.70	83.97
2022	83.33	83.24	86.29	84.98	78.22	78.26	82.11	82.69	85.76	86.93	83.90	81.88
2023	81.99	85.10	85.07	81.56	80.02	77.54	81.47	85.30	90.98	89.72	90.08	89.19
2024	85.48	85.44	84.84	85.88	84.37	83.12	83.27	84.72	93.38	89.02	84.32	84.55
2025	84.92	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
1982	M	M	M	M	M	M	M	M	M	66.13	69.00	67.32
1983	68.74	68.31	67.61	65.77	64.90	61.59	61.40	60.07	63.57	65.56	66.00	66.45
1984	68.39	68.18	68.70	65.13	64.16	60.69	60.61	59.90	60.73	67.00	67.90	67.17
1985	67.80	68.21	68.29	66.04	62.39	53.97	55.16	61.71	65.40	67.03	67.87	67.29
1986	68.03	68.36	68.25	64.92	63.39	58.50	56.90	62.23	63.37	65.29	66.59	67.41
1987	68.19	67.57	66.32	66.80	62.47	59.00	60.97	60.19	64.37	68.23	67.68	67.97
1988	69.39	69.20	68.61	67.70	63.74	57.57	55.81	60.39	66.60	66.48	65.70	68.00
1989	68.03	67.61	67.77	67.53	60.16	59.50	57.61	60.48	64.13	64.94	66.47	68.19
1990	69.13	69.50	68.57	66.60	60.06	57.70	57.39	60.42	61.13	67.26	69.07	68.29
1991	67.94	68.18	68.06	65.03	61.13	60.03	58.37	61.68	64.27	66.87	67.53	67.71
1992	69.71	68.24	66.89	65.93	63.16	59.79	59.06	61.26	63.23	66.26	66.83	67.29
1993	67.23	66.79	67.65	65.63	60.61	58.40	59.52	61.06	64.73	67.11	68.77	68.35
1994	67.52	69.14	67.81	66.14	63.10	57.83	58.13	61.39	67.37	68.71	68.77	69.29
1995	69.39	68.89	68.10	65.07	61.00	59.13	61.71	64.52	65.23	66.58	66.40	68.23
1996	68.97	68.69	68.52	65.90	61.45	57.53	57.13	62.81	63.77	68.42	67.33	67.74
1997	68.10	68.82	67.00	63.83	61.10	57.47	58.97	60.77	68.17	67.90	M	70.15
1998	70.67	71.21	70.48	68.90	61.97	60.64	60.50	64.52	66.39	67.40	67.58	67.50
1999	70.07	69.52	69.29	66.63	59.54	59.47	63.16	61.65	65.07	67.80	66.24	68.00
2000	68.81	68.90	68.32	64.63	60.55	60.33	55.90	64.10	65.23	69.72	67.41	69.13
2001	68.84	69.57	68.39	68.54	62.58	59.37	62.61	62.10	65.23	67.06	69.13	68.66
2002	68.00	70.00	70.00	M	M	63.50	M	M	M	M	M	M
2003	M	77.00	M	66.20	77.00	70.16	M	M	78.80	M	M	68.60
2004	68.00	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	66.00	M	M	M	M	M	M	M
2006	M	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	68.33	69.35	69.91	66.12	M	M	M	M	M	M	80.60	M
2010	75.20	M	M	M	86.00	M	M	85.10	M	M	68.90	69.39
2011	69.32	M	M	77.00	61.70	59.60	66.20	67.28	65.30	65.85	66.26	67.77
2012	66.55	68.99	68.17	65.30	61.09	62.84	59.72	61.90	66.02	71.02	68.60	71.60
2013	68.08	67.04	68.35	64.70	63.35	63.08	58.42	60.10	64.64	64.92	68.12	69.28
2014	68.52	69.54	68.46	67.40	62.31	61.76	60.45	63.59	66.86	68.75	67.34	68.99
2015	70.90	68.06	68.17	67.82	63.65	62.06	63.65	62.66	68.96	72.59	69.86	69.26
2016	70.03	69.92	69.28	68.43	63.59	60.56	61.61	62.54	65.64	68.17	67.10	68.81
2017	68.93	69.41	69.28	68.00	65.39	60.92	58.36	64.11	66.56	69.39	67.82	68.99
2018	68.87	68.32	70.79	67.04	62.83	63.80	61.79	62.66	66.38	68.81	68.18	69.16
2019	70.44	69.35	68.99	68.12	65.15	61.76	59.46	63.18	68.42	69.97	69.50	69.39
2020	69.68	69.24	68.36	67.40	59.52	61.34	61.15	62.48	70.88	71.66	70.34	69.68
2021	71.14	68.90	69.51	64.94	63.94	61.04	56.74	64.69	71.06	66.72	69.74	68.75
2022	68.75	68.77	69.28	68.24	60.22	61.04	62.19	62.77	65.54	68.41	65.48	68.35
2023	67.71	68.45	68.41	66.62	62.14	59.36	61.73	65.56	71.00	71.77	71.42	71.54
2024	69.68	70.36	70.67	70.40	65.79	63.68	63.24	62.60	71.18	70.21	69.38	69.86
2025	69.87	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
1982	M	M	M	M	M	M	M	M	M	74.48	77.28	73.80
1983	74.15	76.40	75.50	74.23	72.68	69.98	70.88	71.47	71.02	71.67	73.92	72.33
1984	76.84	77.43	76.73	72.80	73.35	70.88	70.77	69.55	70.32	76.58	76.32	74.07
1985	73.77	76.89	75.66	74.32	71.56	64.77	66.10	72.79	75.60	77.48	76.07	75.35
1986	75.47	76.50	75.91	72.88	71.74	68.27	66.27	70.21	72.90	74.97	75.28	73.81
1987	75.85	75.00	74.89	74.60	70.90	67.87	71.10	71.58	74.63	77.98	75.61	75.15
1988	77.56	76.05	76.32	74.97	72.31	67.33	66.02	71.89	77.70	74.64	74.03	75.23
1989	75.02	74.86	75.61	75.93	69.05	67.90	67.98	70.82	73.53	75.42	74.58	74.85
1990	77.65	77.48	77.68	76.32	70.21	68.73	67.50	70.98	71.73	77.02	78.88	77.53
1991	75.39	76.48	75.55	74.27	71.10	70.72	68.87	72.76	75.05	76.06	76.77	76.27
1992	76.68	75.26	75.03	74.48	72.98	70.07	69.85	71.66	71.30	74.60	75.30	75.89
1993	76.76	74.59	77.03	75.33	70.81	68.63	70.40	72.08	74.97	76.96	78.50	76.03
1994	75.32	79.00	75.89	75.25	73.85	69.23	69.73	73.68	79.30	79.47	77.65	77.82
1995	78.19	77.14	77.50	74.45	70.94	69.88	72.42	76.68	76.55	76.55	75.68	76.74
1996	77.45	77.84	77.02	75.57	70.77	68.40	69.39	73.97	73.50	78.08	75.32	76.02
1997	75.48	77.46	75.24	73.27	70.40	67.73	70.03	73.00	79.33	76.90	M	78.09
1998	78.67	78.84	78.60	77.45	70.81	70.22	71.63	74.24	75.46	76.50	75.92	75.10
1999	76.75	76.14	75.54	73.00	68.36	69.85	73.11	72.56	75.84	77.57	75.53	76.24
2000	76.45	76.22	75.79	74.02	70.19	70.88	66.92	74.93	74.15	79.17	74.80	76.69
2001	77.24	78.38	77.02	77.21	71.02	69.17	72.96	72.48	75.23	76.21	77.33	76.26
2002	75.50	70.00	79.00	M	M	71.25	M	M	M	M	M	M
2003	M	77.00	M	66.20	79.00	73.58	M	M	81.05	M	M	72.20
2004	69.00	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	73.50	M	M	M	M	M	M	M
2006	M	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	75.58	76.39	78.09	73.77	M	M	M	M	M	M	80.60	M
2010	75.20	M	M	M	86.00	M	M	85.10	M	M	69.35	77.32
2011	77.78	M	M	78.80	62.60	62.00	66.20	77.90	76.76	74.45	74.78	75.46
2012	73.75	77.19	76.42	74.33	69.34	71.21	69.59	71.45	76.70	80.40	76.76	77.99
2013	74.79	75.59	75.87	72.56	71.89	71.51	68.09	71.05	74.69	74.59	75.77	76.62
2014	77.52	78.06	76.16	75.17	70.96	70.91	69.19	73.95	77.36	79.09	75.98	75.37
2015	78.80	75.20	74.68	75.35	70.87	70.40	71.54	73.31	78.41	82.34	78.09	77.09
2016	76.56	78.18	77.44	76.44	72.50	69.14	71.48	73.43	76.60	77.73	75.11	76.74
2017	75.90	77.48	77.26	75.68	73.25	69.89	67.27	74.45	76.97	79.06	75.62	76.48
2018	76.36	76.00	78.86	74.54	71.45	72.41	71.48	72.30	76.19	77.55	75.14	77.41
2019	78.86	77.06	76.65	76.28	73.75	70.88	69.51	72.79	79.76	79.38	77.63	77.15
2020	77.38	76.47	76.52	75.56	67.94	69.35	70.32	72.56	80.54	79.38	78.38	76.85
2021	78.19	76.23	77.17	73.91	72.59	70.07	67.48	74.36	81.95	76.10	77.72	76.36
2022	76.04	76.00	77.78	76.61	69.22	69.65	72.15	72.73	75.65	77.67	74.69	75.11
2023	74.85	76.77	76.74	74.09	71.08	68.45	71.60	75.43	80.99	80.75	80.75	80.37
2024	77.58	77.90	77.75	78.14	75.08	73.40	73.25	73.66	82.28	79.61	76.85	77.20
2025	77.40	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
1982	M	M	M	M	M	M	M	M	M	64.3%	71.6%	78.5%
1983	79.4%	73.5%	74.7%	74.4%	71.0%	71.7%	58.8%	50.6%	74.9%	87.7%	72.5%	84.3%
1984	69.4%	69.8%	76.5%	77.8%	71.2%	61.9%	55.0%	62.7%	64.2%	58.7%	66.1%	78.6%
1985	84.7%	73.2%	81.3%	73.9%	65.4%	56.6%	55.7%	47.8%	51.9%	52.3%	66.6%	69.9%
1986	78.8%	76.1%	78.0%	69.4%	71.2%	59.7%	63.8%	66.4%	55.2%	56.9%	65.4%	77.9%
1987	77.5%	75.7%	72.4%	71.8%	74.9%	67.4%	54.4%	48.2%	58.4%	59.4%	69.4%	79.2%
1988	72.4%	78.5%	72.1%	78.4%	70.9%	65.4%	53.8%	41.9%	41.9%	64.3%	70.7%	73.3%
1989	75.8%	80.0%	72.0%	67.6%	61.3%	64.8%	54.2%	54.8%	63.2%	56.5%	72.2%	73.8%
1990	69.7%	68.0%	69.6%	69.0%	69.6%	61.5%	63.3%	58.1%	58.3%	61.8%	66.1%	68.9%
1991	81.8%	78.1%	80.5%	74.9%	66.4%	60.1%	60.2%	46.8%	49.9%	61.4%	67.0%	76.4%
1992	78.0%	77.8%	76.2%	77.3%	71.3%	59.8%	58.6%	54.2%	71.2%	74.1%	73.4%	73.1%
1993	70.7%	82.0%	71.2%	71.4%	64.1%	64.3%	54.1%	53.0%	62.4%	58.1%	63.8%	76.9%
1994	81.0%	71.2%	78.6%	69.9%	64.5%	59.4%	52.7%	39.3%	37.7%	55.2%	66.7%	75.2%
1995	72.5%	76.9%	71.2%	69.8%	70.0%	60.3%	55.8%	39.6%	47.6%	60.0%	67.0%	75.9%
1996	72.8%	73.7%	76.4%	64.0%	67.0%	57.2%	50.6%	46.6%	62.6%	63.0%	70.8%	78.1%
1997	81.2%	70.6%	72.5%	66.0%	63.8%	67.5%	52.4%	42.2%	49.9%	58.4%	M	73.0%
1998	73.9%	78.2%	73.6%	67.1%	67.0%	63.7%	47.2%	56.4%	57.7%	67.7%	68.0%	77.6%
1999	72.0%	77.1%	77.6%	61.6%	59.1%	60.1%	52.4%	39.2%	50.3%	53.9%	64.6%	70.6%
2000	78.2%	77.7%	78.6%	62.1%	61.5%	52.5%	54.2%	45.0%	64.0%	50.4%	73.2%	75.1%
2001	70.4%	69.4%	70.8%	61.6%	66.3%	61.2%	50.6%	45.9%	53.2%	59.3%	72.0%	72.9%
2002	M	M	78.9%	M	M	58.2%	M	M	M	M	M	M
2003	M	M	M	M	M	66.9%	M	M	M	M	M	83.2%
2004	92.8%	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	63.3%	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	M	M	M	M	53.7%	63.3%	50.0%	45.9%	57.8%	79.5%	81.4%
2008	86.6%	79.4%	75.1%	74.0%	68.7%	63.1%	42.3%	44.9%	47.1%	56.0%	67.2%	74.4%
2009	74.8%	73.7%	75.1%	67.0%	63.9%	65.5%	57.1%	52.9%	62.4%	68.7%	69.0%	77.8%
2010	73.5%	67.8%	71.4%	62.0%	59.7%	52.1%	48.1%	35.4%	44.3%	60.8%	70.8%	73.1%
2011	74.5%	69.3%	81.6%	66.0%	60.6%	58.6%	51.5%	42.2%	36.8%	65.4%	61.1%	71.2%
2012	76.9%	61.9%	65.8%	68.3%	65.1%	64.9%	52.3%	44.2%	42.3%	43.7%	67.7%	66.0%
2013	78.2%	71.8%	75.8%	68.7%	61.7%	66.3%	55.9%	42.3%	49.0%	57.5%	67.4%	74.7%
2014	62.6%	58.7%	70.7%	69.7%	59.3%	55.7%	56.1%	39.2%	44.7%	42.4%	70.7%	70.8%
2015	52.0%	71.5%	79.5%	71.5%	72.0%	62.7%	56.7%	41.0%	48.4%	48.0%	69.5%	71.1%
2016	80.4%	70.7%	72.3%	57.1%	63.1%	59.3%	45.1%	45.5%	43.3%	56.1%	73.3%	70.1%
2017	75.5%	65.0%	65.4%	66.2%	64.3%	58.4%	49.8%	42.3%	32.4%	48.4%	68.6%	74.0%
2018	71.7%	74.3%	66.1%	64.1%	55.2%	55.4%	43.3%	51.2%	48.2%	65.5%	73.7%	67.7%
2019	60.2%	72.4%	73.2%	68.8%	64.7%	52.9%	47.2%	47.7%	41.3%	51.1%	68.2%	71.5%
2020	78.7%	80.5%	65.6%	64.2%	61.7%	55.1%	45.8%	41.6%	32.5%	60.6%	56.3%	77.3%
2021	67.0%	74.8%	68.2%	60.4%	57.2%	57.7%	40.5%	39.3%	35.5%	68.5%	64.7%	70.7%
2022	78.8%	76.5%	66.7%	63.6%	61.8%	58.0%	45.0%	43.8%	51.5%	58.4%	65.0%	77.5%
2023	82.8%	77.4%	71.9%	74.1%	58.7%	59.9%	50.4%	49.2%	48.5%	64.8%	58.9%	66.9%
2024	75.5%	74.4%	80.5%	66.2%	57.4%	48.1%	43.5%	40.1%	30.1%	59.5%	75.1%	77.8%
2025	76.5%	M	M	M	M	M	M	M	M	M	M	M