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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 () 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
1980	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	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	M	M	M	M	M	M	M	M	M	M	M	M
1988	0.00	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	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	M	M	M	M	M	M	M
1996	M	M	M	M	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	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	2.84	0.90	11.36	7.09
2003	M	M	M	M	M	M	M	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	0.69	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

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1980	M	M	5.4	5.5	4.6	5.3	5.5	4.7	5.0	3.7	5.6	4.3
1981	2.9	4.4	5.5	6.2	5.1	4.9	4.9	3.7	4.6	4.5	5.7	4.9
1982	5.3	6.2	4.5	6.1	4.2	3.7	4.8	5.0	3.1	4.8	4.2	4.4
1983	4.7	4.9	4.2	3.3	2.9	3.2	3.2	3.0	3.3	2.5	5.4	4.1
1984	3.9	5.1	4.6	6.7	5.7	4.6	4.4	4.4	4.3	6.0	6.6	4.9
1985	2.6	5.8	6.9	5.4	4.9	5.8	4.5	5.0	4.3	6.4	4.4	2.7
1986	5.3	4.6	5.8	6.2	5.3	5.1	4.5	3.6	3.6	2.4	4.4	5.1
1987	M	M	M	M	M	M	M	M	M	M	M	M
1988	2.8	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	6.6	5.4	5.3
1993	4.8	3.1	5.9	6.9	5.6	5.9	5.8	5.2	3.5	3.7	5.6	5.9
1994	5.1	7.0	5.6	5.7	2.7	0.0	0.0	0.0	0.0	0.0	0.0	0.0
1995	0.0	0.0	0.0	0.0	0.0	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	0.0	0.6	2.1	0.0	0.0	0.0	0.0
2002	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2003	M	M	M	M	M	M	M	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	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

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1980	M	50.00	47.45	57.08	59.12	63.02	68.87	67.59	62.60	58.01	49.10	44.25
1981	46.17	46.72	52.85	53.54	59.52	61.40	68.35	72.70	64.64	53.37	50.30	43.61
1982	39.95	43.57	48.14	51.86	61.21	69.02	67.88	67.54	65.12	56.21	45.38	44.25
1983	46.98	47.69	52.21	56.00	63.88	65.00	67.54	70.03	62.18	54.59	49.22	38.56
1984	44.19	47.14	51.16	53.42	57.95	64.16	70.90	70.03	63.08	52.55	47.00	37.98
1985	41.00	42.99	47.79	52.46	60.86	66.14	76.13	70.44	61.76	54.06	37.82	39.32
1986	47.21	43.89	51.22	51.20	59.93	66.14	67.01	72.88	63.98	57.43	46.88	45.41
1987	43.73	48.46	51.51	56.66	61.67	67.34	69.28	71.19	66.56	58.59	50.48	42.89
1988	37.40	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	56.22	49.64	42.45
1993	39.84	50.30	52.26	54.86	65.79	67.22	68.23	71.43	68.54	59.41	47.06	46.52
1994	48.32	44.02	52.38	57.98	65.27	66.02	74.50	73.57	67.70	56.97	46.52	45.24
1995	46.57	47.94	51.39	56.66	59.00	M	M	M	M	M	M	M
1996	M	M	M	55.40	58.48	66.32	71.31	71.60	62.30	54.41	45.32	39.78
1997	43.03	45.63	46.98	54.41	63.41	65.84	70.09	72.76	66.18	53.72	49.81	45.18
1998	44.54	48.13	50.17	57.36	61.21	67.04	72.30	73.63	68.00	56.04	49.46	42.22
1999	44.54	45.69	47.79	54.86	57.78	62.60	68.93	71.14	65.24	55.40	49.16	43.67
2000	42.97	46.52	49.19	55.76	58.30	66.56	69.39	69.86	64.58	55.98	46.65	43.32
2001	46.52	46.66	51.05	57.02	60.02	64.88	69.68	70.21	65.00	54.82	51.14	54.37
2002	44.14	46.08	45.18	54.26	59.46	69.08	71.83	72.01	65.11	54.83	50.59	46.51
2003	8.95	30.84	50.06	53.72	65.23	69.26	74.33	73.34	66.92	57.03	45.56	44.95
2004	43.44	47.64	51.57	59.90	63.94	70.88	74.56	73.20	63.02	55.98	48.14	45.54
2005	43.60	46.56	52.29	56.91	64.01	65.15	70.84	73.23	63.68	56.56	45.47	44.29
2006	45.75	45.47	49.25	54.74	61.90	68.18	72.24	70.38	66.21	54.65	45.68	44.83
2007	41.69	46.57	48.91	53.11	M	66.34	73.35	70.63	63.86	53.73	45.40	42.63
2008	41.87	47.24	47.80	51.63	61.51	63.71	71.24	69.89	64.54	55.40	50.60	39.37
2009	39.65	46.61	46.38	55.36	62.96	70.48	75.75	71.71	66.92	56.28	49.46	41.56
2010	49.04	50.21	50.67	56.53	60.99	65.14	72.72	72.50	64.84	57.87	46.13	45.61

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1980	M	48.20	39.90	46.28	49.54	53.48	56.97	56.50	53.78	48.32	44.18	40.42
1981	41.29	40.16	43.26	44.54	49.94	52.22	57.55	59.70	53.96	46.28	43.94	38.10
1982	35.54	38.11	39.14	41.84	48.32	56.18	57.43	56.97	53.18	47.68	38.96	38.45
1983	42.22	42.16	43.90	44.78	51.34	54.98	56.62	58.65	51.50	47.15	44.78	33.63
1984	39.20	41.37	43.96	45.68	48.03	54.14	56.97	58.01	51.92	45.65	41.90	33.45
1985	35.31	37.01	39.49	44.24	49.59	53.90	59.64	56.33	51.50	47.15	32.00	35.08
1986	41.93	36.95	43.61	44.00	49.36	55.04	55.98	59.00	54.02	48.20	42.62	39.95
1987	39.08	41.77	43.85	46.10	50.23	54.74	58.65	56.56	54.68	48.08	45.38	39.11
1988	32.00	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	50.98	43.34	35.54
1993	32.52	43.40	42.97	47.42	53.83	57.14	58.48	59.29	54.20	50.46	39.56	39.90
1994	43.50	37.98	42.10	48.68	52.79	55.40	60.16	60.74	56.66	48.84	39.68	39.49
1995	39.72	40.10	41.75	45.56	48.20	M	M	M	M	M	M	M
1996	M	M	M	48.20	49.48	55.94	59.75	59.87	54.32	48.20	41.30	35.72
1997	39.32	39.84	41.06	44.60	52.44	55.34	59.12	61.09	56.99	48.80	44.85	40.30
1998	40.25	43.49	43.15	46.95	52.55	57.50	61.90	61.50	56.06	49.54	45.68	38.27
1999	40.54	40.81	41.12	43.64	47.50	53.30	57.43	60.68	53.78	47.15	44.90	40.30
2000	37.52	39.89	42.39	46.58	48.95	54.92	58.42	58.71	55.28	49.01	41.06	39.26
2001	41.29	39.26	43.15	45.92	50.00	53.72	58.19	59.00	54.50	46.46	44.24	37.21
2002	38.27	38.24	36.82	43.40	47.85	55.34	58.54	57.94	53.28	46.36	43.66	39.30
2003	5.35	23.13	41.87	41.90	53.46	56.12	59.41	58.83	54.32	49.36	37.70	38.62
2004	37.98	40.57	42.51	46.40	51.63	56.18	60.68	60.68	53.78	48.55	41.78	39.73
2005	37.31	35.81	43.06	45.26	52.28	54.81	57.77	58.94	52.21	49.02	40.07	37.98
2006	40.58	35.93	39.94	43.94	49.07	55.16	59.11	56.50	53.06	45.70	39.20	37.96
2007	34.62	41.42	41.03	42.92	M	54.02	59.59	57.70	52.53	46.78	37.91	36.47
2008	35.61	38.24	38.93	40.87	49.68	52.25	58.10	57.43	53.02	46.41	44.56	33.48
2009	34.20	36.12	36.20	42.88	48.20	56.77	59.53	59.09	54.44	46.07	42.17	35.19
2010	42.79	42.12	41.55	44.62	48.35	54.74	58.20	58.49	54.53	49.57	39.28	39.01

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1980	M	49.10	43.67	51.68	54.33	58.25	62.92	62.05	58.19	53.16	46.64	42.34
1981	43.73	43.44	48.05	49.04	54.73	56.81	62.95	66.20	59.30	49.83	47.12	40.85
1982	37.75	40.84	43.64	46.85	54.76	62.60	62.66	62.25	59.15	51.95	42.17	41.35
1983	44.60	44.92	48.05	50.39	57.61	59.99	62.08	64.34	56.84	50.87	47.00	36.09
1984	41.70	44.26	47.56	49.55	52.99	59.15	63.94	64.02	57.50	49.10	44.45	35.72
1985	38.15	40.00	43.64	48.35	55.23	60.02	67.88	63.38	56.63	50.61	34.91	37.20
1986	44.57	40.42	47.42	47.60	54.65	60.59	61.50	65.94	59.00	52.82	44.75	42.68
1987	41.41	45.11	47.68	51.38	55.95	61.04	63.96	63.88	60.62	53.34	47.93	41.00
1988	34.70	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	53.60	46.49	39.00
1993	36.18	46.85	47.62	51.14	59.81	62.18	63.35	65.36	61.37	54.94	43.31	43.21
1994	45.91	41.00	47.24	53.33	59.03	60.71	67.33	67.16	62.18	52.90	43.10	42.36
1995	43.15	44.02	46.57	51.11	53.60	M	M	M	M	M	M	M
1996	M	M	M	51.80	53.98	61.13	65.53	65.74	58.31	51.31	43.31	37.75
1997	41.17	42.74	44.02	49.50	57.93	60.59	64.60	66.93	61.58	51.26	47.33	42.74
1998	42.39	45.81	46.66	52.15	56.88	62.27	67.10	67.56	62.03	52.79	47.57	40.25
1999	42.54	43.25	44.45	49.25	52.64	57.95	63.18	65.91	59.51	51.28	47.03	41.99
2000	40.25	43.21	45.79	51.17	53.63	60.74	63.91	64.28	59.93	52.50	43.86	41.29
2001	43.90	42.96	47.10	51.47	55.01	59.30	63.94	64.60	59.75	50.64	47.69	42.37
2002	41.20	42.16	41.00	48.83	53.66	62.21	65.18	64.98	59.20	50.60	47.13	42.90
2003	7.15	26.99	45.96	47.81	59.35	62.69	66.87	66.08	60.62	53.19	41.63	41.78
2004	40.71	44.10	47.04	53.15	57.78	63.53	67.62	66.94	58.40	52.26	44.96	42.63
2005	40.46	41.19	47.68	51.09	58.14	59.98	64.31	66.08	57.95	52.79	42.77	41.14
2006	43.17	40.70	44.60	49.34	55.49	61.67	65.67	63.44	59.64	50.17	42.44	41.40
2007	38.15	43.99	44.97	48.01	M	60.18	66.47	64.16	58.19	50.25	41.66	39.55
2008	38.74	42.74	43.36	46.25	55.59	57.98	64.67	63.66	58.78	50.90	47.58	36.42
2009	36.93	41.37	41.29	49.12	55.58	63.63	67.64	65.40	60.68	51.18	45.82	38.37
2010	45.92	46.16	46.11	50.58	54.67	59.94	65.46	65.50	59.69	53.72	42.70	42.31

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
1980	M	M	80.5%	75.1%	78.3%	78.4%	78.3%	77.5%	84.6%	83.1%	86.0%	89.8%
1981	91.2%	83.1%	74.9%	77.4%	78.6%	79.2%	77.9%	75.2%	80.1%	85.9%	84.6%	84.7%
1982	87.7%	82.1%	78.5%	69.4%	69.9%	71.7%	77.0%	81.4%	84.0%	84.2%	85.1%	84.5%
1983	87.8%	86.6%	78.7%	76.1%	75.5%	78.0%	80.1%	77.8%	80.1%	84.2%	84.4%	77.6%
1984	87.7%	86.3%	82.9%	75.2%	75.8%	75.6%	73.5%	73.6%	78.4%	81.5%	85.4%	86.2%
1985	90.3%	83.7%	76.4%	78.8%	72.4%	70.4%	69.4%	73.4%	80.2%	80.9%	72.4%	91.7%
1986	87.1%	81.3%	82.8%	80.1%	76.2%	74.8%	79.6%	75.7%	78.5%	86.2%	85.5%	86.8%
1987	M	M	M	M	M	M	M	M	M	M	M	M
1988	70.5%	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	89.8%	88.5%	85.1%
1993	84.9%	82.6%	78.4%	83.2%	77.3%	76.6%	79.8%	76.9%	77.1%	81.7%	78.1%	82.9%
1994	83.4%	74.3%	68.7%	67.5%	60.7%	65.0%	59.9%	58.1%	68.1%	66.6%	65.0%	67.8%
1995	70.9%	64.3%	52.1%	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	88.8%	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	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	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

Monthly Plots

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