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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 (USC00331785) 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
1981	M	M	M	M	M	M	M	0.00	0.00	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	0.00	0.00	0.00
1997	0.00	0.00	0.00	0.00	4.20	3.67	3.09	4.53	0.32	0.91	1.21	1.17
1998	1.57	1.44	1.05	5.21	1.26	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	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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2005	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2006	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2007	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2008	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2009	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2010	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2011	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.05	0.87
2012	0.61	0.69	0.57	0.89	0.94	0.58	0.06	0.00	0.36	1.50	0.19	0.36
2013	0.70	0.41	1.27	1.04	1.24	3.04	0.64	1.10	1.25	2.28	1.09	0.83
2014	0.88	0.73	0.44	2.20	2.09	2.47	2.44	1.11	0.36	0.63	0.55	0.58
2015	0.41	0.31	1.62	1.12	0.96	1.11	1.39	1.98	0.54	1.66	1.37	2.09
2016	0.48	1.45	1.99	1.03	1.75	1.92	1.23	0.69	1.71	0.68	0.79	1.35
2017	1.36	1.32	2.21	1.46	2.07	M	1.54	1.42	0.93	2.27	2.96	0.87
2018	0.29	1.03	0.72	1.77	1.91	0.23	0.47	0.59	2.11	0.81	2.64	0.41
2019	0.82	0.87	1.41	1.19	2.50	3.22	1.09	0.80	0.12	0.90	0.56	0.99
2020	1.58	0.78	3.55	1.71	2.83	0.57	0.64	1.60	1.80	2.08	1.66	0.75
2021	0.23	0.66	1.68	0.64	1.29	0.32	2.78	1.11	0.74	1.43	0.47	2.71
2022	0.93	1.46	1.19	0.36	1.65	1.84	3.40	0.43	0.90	0.46	1.07	0.95
2023	1.19	0.45	2.67	1.45	0.83	2.98	4.59	2.71	0.03	1.55	0.72	1.49
2024	2.15	0.32	2.35	1.90	3.43	1.72	5.53	3.20	0.70	3.48	1.97	2.28
2025	1.04	1.41	2.36	2.65	M	M	M	M	M	M	M	M
NCEI Climatology	3.09	2.75	3.88	4.04	4.78	4.70	4.28	3.84	3.78	3.19	3.04	3.41

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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	16.0	7.1	8.3
1997	8.7	8.1	10.2	7.3	8.6	5.7	4.1	3.6	3.5	5.0	5.6	5.4
1998	5.6	6.4	8.5	7.2	4.7	4.8	3.4	3.4	3.5	3.9	6.0	5.6
1999	6.9	7.0	7.5	7.2	6.0	5.9	4.1	4.8	4.3	5.9	6.9	7.0
2000	7.0	6.5	10.7	6.6	7.2	6.4	3.6	5.0	6.5	4.3	6.0	5.8
2001	5.2	6.9	6.6	7.6	5.5	3.9	3.6	3.1	4.2	6.7	5.9	5.4
2002	6.3	6.9	7.6	7.4	6.2	3.9	4.0	4.1	3.8	4.9	7.1	6.9
2003	6.1	6.8	6.2	8.0	6.6	4.9	3.8	3.0	3.3	4.2	6.8	6.4
2004	7.2	6.3	6.8	8.2	6.4	5.3	4.9	4.1	4.0	4.4	5.8	5.9
2005	7.3	5.7	7.0	7.3	5.0	4.7	3.9	3.1	3.6	4.5	10.0	7.8
2006	9.2	7.6	7.3	6.9	5.8	4.6	3.7	3.5	M	8.3	5.7	8.4
2007	9.2	7.5	8.9	9.6	6.1	5.1	4.0	3.1	3.5	5.8	7.3	7.5
2008	9.4	7.9	8.4	7.5	8.0	6.8	4.5	4.8	5.3	6.6	6.6	9.7
2009	7.4	8.8	8.9	9.1	5.4	5.6	4.1	4.3	4.4	5.9	5.9	8.0
2010	8.1	7.0	6.6	8.0	6.8	6.0	4.2	3.1	5.9	7.1	7.4	8.2
2011	7.4	8.9	9.1	10.3	7.2	6.9	4.2	4.5	5.2	5.9	8.7	5.9
2012	9.3	7.6	7.8	8.0	5.4	6.4	5.4	4.3	4.9	8.8	5.5	7.8
2013	8.7	8.5	8.5	8.5	8.0	6.5	4.8	3.9	4.7	4.9	7.8	8.5
2014	9.7	7.6	9.1	8.8	7.2	6.0	5.9	5.2	4.7	7.1	9.5	7.2
2015	7.8	8.7	7.6	8.7	7.4	7.0	4.6	4.5	4.7	6.9	6.8	7.1
2016	8.4	8.5	8.4	8.5	6.4	6.5	5.1	4.6	4.7	6.6	6.5	7.3
2017	8.3	8.6	9.2	8.9	8.3	7.9	5.4	4.3	4.3	5.7	7.1	7.3
2018	7.9	7.8	8.5	8.2	7.4	6.2	5.3	5.3	5.1	7.0	6.8	6.7
2019	8.5	7.7	7.9	7.9	7.7	7.7	5.9	5.4	5.4	6.2	6.7	7.0
2020	7.1	7.7	8.2	8.1	8.0	7.0	5.8	5.1	5.6	5.8	7.8	7.4
2021	7.2	8.2	8.7	8.0	6.4	7.8	5.9	5.1	6.0	5.6	6.8	7.0
2022	8.0	8.3	9.3	8.6	7.3	6.6	6.1	5.4	5.3	7.2	7.6	8.6
2023	7.6	9.1	9.7	7.6	6.3	6.2	5.6	5.4	3.8	5.7	6.6	6.4
2024	8.2	7.3	8.6	8.7	6.3	7.4	6.0	5.9	4.9	5.5	7.3	8.3
2025	8.3	8.0	9.8	9.6	M	M	M	M	M	M	M	M
NCEI Climatology	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
1981	M	M	M	M	M	M	M	81.00	69.33	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	49.00	39.80	41.10
1997	33.94	42.21	51.10	58.60	66.19	79.03	82.68	77.23	74.40	65.07	45.69	39.93
1998	43.03	46.43	50.52	62.17	76.85	78.48	82.10	83.52	81.63	66.06	54.37	45.90
1999	39.26	44.25	46.42	64.31	75.33	83.87	88.06	82.10	80.33	67.20	57.50	42.86
2000	35.04	40.06	55.28	59.08	75.00	82.08	79.31	79.95	74.19	67.62	48.97	32.00
2001	37.10	43.81	47.55	68.76	74.23	80.94	83.59	83.78	75.51	67.92	61.97	46.72
2002	45.12	47.02	52.37	66.91	71.26	86.63	88.10	86.09	83.47	63.31	50.19	39.82
2003	30.83	35.34	54.69	67.91	71.64	78.50	82.60	83.14	76.03	65.78	57.65	41.65
2004	32.93	41.62	53.31	63.56	78.63	80.54	83.39	80.14	78.80	67.01	55.64	41.75
2005	39.20	42.99	46.98	66.44	71.31	85.16	82.17	81.65	77.60	62.54	51.38	31.13
2006	44.19	38.36	45.53	64.70	68.52	75.50	83.56	84.60	64.20	52.08	55.16	48.61
2007	42.92	31.11	57.14	60.68	79.03	79.58	76.36	78.51	75.86	69.45	51.18	41.12
2008	37.52	36.47	44.77	63.86	68.87	81.14	82.75	81.76	78.26	63.53	48.38	39.26
2009	30.20	41.96	55.81	62.18	72.41	80.54	78.22	80.25	74.18	60.22	56.27	37.34
2010	30.32	31.55	52.09	68.48	73.34	81.38	84.32	83.56	78.26	66.72	53.24	32.46
2011	29.45	37.59	48.37	63.62	70.67	80.18	87.63	81.30	71.18	64.11	56.06	43.59
2012	40.43	43.61	61.87	61.07	77.84	82.00	87.71	84.32	74.85	62.14	51.73	43.72
2013	39.03	36.36	42.59	63.14	74.83	79.52	81.09	80.26	76.51	64.70	46.95	39.13
2014	30.22	32.17	46.09	63.49	73.38	80.92	78.81	81.09	75.46	62.81	44.94	41.29
2015	33.19	26.15	45.65	62.98	77.57	78.73	81.40	80.16	79.92	65.46	57.45	51.61
2016	36.45	42.63	57.70	62.53	71.32	83.70	85.23	85.69	80.31	69.54	58.07	37.54
2017	41.54	50.52	49.97	69.01	71.68	81.10	82.61	79.94	76.44	67.46	50.85	36.86
2018	33.03	45.93	45.66	56.28	80.31	81.18	83.15	82.29	78.84	64.28	43.01	42.31
2019	34.28	41.51	46.42	63.94	73.95	78.86	85.65	81.60	82.60	68.61	46.16	44.71
2020	41.89	40.08	54.41	58.65	68.95	82.54	87.96	82.34	76.33	63.28	56.98	40.08
2021	36.33	32.51	57.30	63.57	71.02	82.77	82.48	84.09	77.99	69.96	49.77	49.60
2022	32.04	39.47	56.70	59.39	75.33	83.60	83.24	81.49	75.14	65.17	53.44	40.13
2023	42.26	51.03	51.43	64.47	72.51	78.58	82.97	81.15	77.40	66.29	53.75	47.04
2024	36.12	50.31	56.15	66.30	76.90	83.83	85.47	85.21	81.68	70.46	55.38	42.57
2025	30.00	38.88	59.01	61.19	M	M	M	M	M	M	M	M
NCEI Climatology	36.51	40.43	50.61	64.21	74.10	82.00	85.00	84.09	78.11	65.80	52.30	40.91

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1981	M	M	M	M	M	M	M	64.00	61.33	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	36.50	28.37	29.55
1997	21.19	29.57	34.81	38.37	47.39	60.70	63.77	60.16	53.77	42.43	33.07	29.23
1998	30.55	34.14	34.65	42.93	57.42	62.52	58.61	62.13	56.63	44.42	36.13	29.26
1999	21.61	28.39	26.90	44.69	55.10	62.87	67.90	61.03	52.90	47.13	41.80	31.28
2000	23.17	29.60	42.96	45.42	60.16	70.00	67.38	67.51	59.05	50.19	35.55	17.86
2001	22.79	29.39	31.06	45.97	54.46	62.06	64.81	66.84	54.15	45.81	39.23	32.46
2002	28.66	26.96	34.29	45.75	50.39	62.43	68.57	65.45	59.61	46.81	35.71	28.55
2003	17.33	20.57	33.72	45.27	53.60	59.58	63.75	64.90	51.63	41.37	39.97	28.51
2004	18.82	24.68	35.83	44.72	57.37	61.04	65.45	61.32	56.36	45.35	40.34	25.61
2005	25.03	27.44	30.84	44.72	49.88	64.76	61.85	61.79	54.20	40.13	36.32	22.13
2006	27.30	22.81	28.46	42.62	48.90	57.44	63.47	64.40	55.95	37.68	37.16	31.94
2007	29.04	12.59	39.37	42.26	52.61	58.70	58.83	64.63	54.02	48.37	32.78	26.43
2008	20.15	20.14	28.11	42.14	47.33	60.92	63.59	58.83	54.08	39.95	30.50	21.78
2009	12.72	23.06	32.23	40.76	50.99	59.78	59.00	58.83	52.22	39.37	35.60	23.64
2010	17.83	17.99	32.12	44.00	52.96	62.90	62.95	61.79	52.52	42.28	28.76	19.17
2011	15.05	24.03	31.83	42.14	54.01	60.74	67.83	60.86	54.68	41.75	39.62	30.57
2012	24.05	26.48	41.86	39.22	56.09	59.00	66.63	60.90	51.88	42.38	28.93	30.97
2013	21.91	22.13	28.35	40.84	54.57	60.51	64.36	60.31	53.46	43.31	30.88	25.64
2014	10.98	14.39	25.16	41.09	52.20	61.62	59.46	61.14	51.57	43.59	27.85	29.46
2015	16.78	10.59	30.72	42.76	56.03	63.51	62.76	59.51	56.58	43.96	37.30	35.86
2016	19.02	24.35	38.53	39.40	50.05	61.10	65.49	66.30	57.64	47.34	34.69	24.13
2017	28.61	31.27	32.00	46.50	52.34	61.33	63.71	59.10	54.72	45.86	32.59	21.26
2018	17.05	28.59	28.32	35.36	58.45	63.28	64.20	64.92	61.27	45.04	31.30	28.76
2019	20.57	25.45	27.85	43.32	54.27	60.90	66.17	61.59	58.00	44.47	27.57	26.60
2020	28.85	24.61	37.05	37.72	49.68	61.10	66.35	61.08	52.77	43.35	35.10	26.40
2021	25.43	18.13	33.60	41.00	48.23	62.30	64.22	65.01	56.22	51.69	30.88	31.45
2022	15.43	22.16	32.65	39.44	54.65	59.74	66.05	61.24	54.82	39.35	33.99	25.32
2023	29.50	28.16	31.44	40.55	49.60	57.13	64.09	61.47	55.13	45.08	31.25	32.83
2024	24.60	27.29	35.23	45.45	56.31	61.15	63.26	61.00	56.74	42.74	38.72	29.13
2025	13.64	23.41	34.43	40.06	M	M	M	M	M	M	M	M
NCEI Climatology	20.90	22.72	31.00	40.80	51.41	61.11	64.59	62.50	54.61	43.39	32.90	26.79

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1981	M	M	M	M	M	M	M	72.50	65.33	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	42.75	34.08	35.32
1997	27.56	35.89	42.95	48.48	56.79	69.87	73.23	68.69	64.08	53.75	39.38	34.58
1998	36.79	40.29	42.58	52.55	67.13	70.50	70.35	72.82	69.13	55.24	45.25	37.58
1999	30.44	36.32	36.66	54.50	65.22	73.37	77.98	71.56	66.62	57.17	49.65	37.07
2000	29.10	34.83	49.12	52.25	67.58	76.04	73.34	73.73	66.62	58.90	42.26	24.93
2001	29.95	36.60	39.31	57.36	64.34	71.50	74.20	75.31	64.83	56.86	50.60	39.59
2002	36.89	36.99	43.33	56.33	60.82	74.53	78.34	75.77	71.54	55.06	42.95	34.19
2003	24.08	27.95	44.20	56.59	62.62	69.04	73.18	74.02	63.83	53.57	48.81	35.08
2004	25.87	33.15	44.57	54.14	68.00	70.79	74.42	70.73	67.58	56.18	47.99	33.68
2005	32.12	35.21	38.91	55.58	60.60	74.96	72.01	71.72	65.90	51.34	43.85	26.63
2006	35.75	30.59	36.99	53.66	58.71	66.47	73.52	74.50	60.08	44.88	46.16	40.27
2007	35.98	21.85	48.26	51.47	65.82	69.14	67.59	71.57	64.94	58.91	42.06	33.77
2008	28.84	28.31	36.44	53.00	58.10	71.03	73.17	70.29	66.17	51.74	39.44	30.52
2009	21.46	32.51	44.02	51.47	61.70	70.16	68.61	69.54	63.20	49.80	45.78	30.49
2010	24.07	24.77	42.10	56.24	63.15	72.14	73.63	72.67	65.39	54.50	41.00	25.82
2011	22.25	30.81	40.10	52.88	62.34	70.46	77.73	71.08	62.93	52.93	47.84	37.08
2012	32.24	35.04	51.87	50.15	66.96	70.50	77.17	72.61	63.37	52.26	40.33	37.35
2013	30.47	29.24	35.47	51.99	64.70	70.02	72.72	70.28	64.99	54.00	38.92	32.39
2014	20.60	23.28	35.63	52.29	62.79	71.27	69.14	71.12	63.52	53.20	36.39	35.37
2015	24.98	18.37	38.18	52.87	66.80	71.12	72.08	69.83	68.25	54.71	47.38	43.74
2016	27.73	33.49	48.12	50.97	60.68	72.40	75.36	75.99	68.98	58.44	46.38	30.84
2017	35.07	40.89	40.98	57.76	62.01	71.22	73.16	69.52	65.58	56.66	41.72	29.06
2018	25.04	37.26	36.99	45.82	69.38	72.23	73.68	73.61	70.05	54.66	37.15	35.53
2019	27.43	33.48	37.13	53.63	64.11	69.88	75.91	71.60	70.30	56.54	36.86	35.66
2020	35.37	32.34	45.73	48.19	59.31	71.82	77.16	71.71	64.55	53.32	46.04	33.24
2021	30.88	25.32	45.45	52.29	59.62	72.54	73.35	74.55	67.11	60.83	40.33	40.53
2022	23.73	30.82	44.67	49.41	64.99	71.67	74.65	71.36	64.98	52.26	43.72	32.72
2023	35.88	39.60	41.44	52.51	61.06	67.86	73.53	71.31	66.26	55.69	42.50	39.93
2024	30.36	38.80	45.69	55.88	66.60	72.49	74.37	73.10	69.21	56.60	47.05	35.85
2025	21.82	31.15	46.72	50.63	M	M	M	M	M	M	M	M
NCEI Climatology	28.70	31.57	40.80	52.50	62.75	71.56	74.80	73.30	66.36	54.60	42.60	33.85

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
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	58.1%	46.6%
1997	79.7%	84.6%	77.0%	64.5%	70.3%	79.3%	80.3%	87.8%	83.0%	76.8%	86.9%	90.0%
1998	89.9%	86.6%	81.2%	76.5%	78.4%	82.1%	83.0%	82.7%	75.6%	80.4%	80.9%	87.0%
1999	89.1%	85.6%	77.6%	81.3%	67.2%	72.1%	80.3%	78.3%	66.9%	66.1%	70.9%	77.7%
2000	78.6%	81.1%	67.6%	67.3%	66.5%	64.9%	80.1%	79.3%	75.5%	67.7%	78.8%	82.5%
2001	84.1%	75.5%	68.5%	62.9%	72.9%	74.9%	78.9%	83.5%	79.9%	71.9%	74.7%	82.2%
2002	82.2%	72.4%	73.5%	71.6%	74.4%	73.4%	73.0%	75.0%	61.8%	66.8%	68.6%	70.5%
2003	68.1%	71.5%	64.3%	53.7%	68.3%	66.5%	71.7%	75.8%	71.2%	64.4%	68.9%	70.9%
2004	69.5%	65.1%	67.5%	60.6%	68.8%	65.3%	68.7%	72.0%	70.5%	66.9%	70.8%	73.6%
2005	74.8%	73.5%	66.8%	53.6%	57.9%	63.9%	69.2%	71.0%	70.1%	71.0%	66.2%	76.7%
2006	72.7%	63.7%	66.7%	55.9%	63.7%	66.7%	72.7%	72.2%	M	69.6%	72.5%	68.8%
2007	74.4%	69.6%	63.3%	62.3%	50.6%	63.7%	73.2%	79.1%	71.7%	74.7%	74.3%	84.0%
2008	75.6%	81.9%	76.6%	64.4%	66.7%	70.4%	70.0%	67.5%	69.7%	64.0%	73.1%	78.5%
2009	78.1%	73.1%	60.5%	64.7%	65.2%	68.1%	73.6%	77.8%	75.3%	74.7%	72.3%	75.9%
2010	81.5%	80.6%	73.0%	56.3%	70.8%	75.0%	73.5%	76.0%	66.1%	60.7%	68.3%	77.5%
2011	77.0%	75.5%	68.5%	71.1%	76.6%	67.8%	71.3%	73.5%	81.0%	73.1%	73.5%	82.6%
2012	77.4%	74.8%	72.5%	63.0%	69.9%	63.3%	73.2%	71.3%	72.2%	74.6%	69.3%	85.7%
2013	77.0%	77.8%	72.2%	65.0%	64.3%	75.0%	82.3%	77.9%	78.2%	80.5%	73.6%	80.4%
2014	75.7%	73.2%	65.8%	66.1%	69.1%	76.7%	78.5%	80.7%	78.1%	79.3%	72.7%	83.2%
2015	78.5%	71.7%	71.1%	66.8%	70.0%	81.8%	82.0%	78.1%	75.2%	71.2%	71.6%	84.7%
2016	74.6%	74.6%	71.3%	65.9%	73.5%	66.0%	78.4%	81.4%	77.9%	74.3%	73.9%	79.9%
2017	83.0%	73.2%	70.0%	67.9%	71.7%	68.4%	80.4%	79.2%	78.0%	78.2%	75.3%	75.8%
2018	78.4%	79.5%	67.3%	66.8%	72.8%	78.6%	74.8%	82.8%	83.4%	79.0%	81.9%	84.0%
2019	79.2%	79.9%	70.1%	69.6%	77.7%	73.8%	76.9%	76.5%	73.3%	74.7%	76.5%	83.4%
2020	79.6%	78.4%	75.9%	69.8%	72.6%	66.8%	72.4%	79.4%	76.8%	78.4%	71.2%	79.4%
2021	80.2%	77.0%	61.2%	64.8%	68.1%	72.5%	78.6%	81.4%	75.6%	81.3%	72.7%	78.8%
2022	75.1%	75.2%	64.3%	68.6%	72.2%	64.3%	75.4%	81.0%	79.4%	64.8%	69.6%	78.1%
2023	84.5%	67.5%	68.9%	63.6%	63.5%	67.5%	79.8%	78.8%	78.0%	75.1%	68.1%	79.2%
2024	81.6%	69.1%	68.1%	68.0%	74.3%	67.3%	72.7%	71.7%	66.4%	67.4%	77.8%	77.2%
2025	74.7%	74.0%	61.2%	68.3%	M	M	M	M	M	M	M	M

Monthly Plots

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May 2025