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 (USC00102707) 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
1996	M	M	M	M	M	M	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	M	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
NCEI Climatology	0.78	0.66	0.81	1.29	2.04	1.59	0.68	0.73	0.89	1.09	0.71	0.99

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1996	M	M	M	M	M	M	8.1	10.0	8.8	9.0	7.5	7.3
1997	8.7	9.6	8.2	11.4	9.7	9.5	9.0	8.9	8.5	9.8	8.5	9.7
1998	7.3	8.4	9.6	8.8	9.1	9.2	11.6	M	9.7	9.8	7.2	6.3
1999	6.5	7.3	7.0	9.0	7.7	9.6	10.4	9.7	8.4	9.3	7.6	7.3
2000	7.1	7.8	9.3	11.5	9.2	11.2	11.2	10.6	9.9	9.6	8.9	6.5
2001	7.6	8.5	8.1	9.1	9.6	10.6	10.4	10.2	9.6	8.4	6.9	6.7
2002	7.2	7.0	7.5	9.5	9.3	9.6	10.7	12.0	9.1	9.8	7.0	6.4
2003	9.9	8.0	7.9	9.4	9.3	9.6	10.2	11.0	9.5	9.5	8.0	8.9
2004	7.3	8.8	8.2	11.7	9.8	9.5	9.0	9.1	8.0	7.1	8.1	6.2
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
1996	M	M	M	M	M	M	81.27	78.92	64.25	52.45	37.27	26.16
1997	25.64	31.18	39.42	46.30	64.39	70.00	73.12	76.76	68.96	47.13	39.64	26.94
1998	30.50	32.67	33.44	51.28	58.26	61.56	81.00	M	68.29	54.31	36.81	31.00
1999	29.48	29.52	42.16	47.58	57.46	65.85	80.83	77.79	66.47	60.07	47.66	27.77
2000	25.92	33.39	37.72	52.36	60.75	71.97	81.71	80.94	64.61	52.35	28.70	26.00
2001	26.23	28.37	39.74	51.21	67.40	72.22	81.04	83.99	72.94	53.42	42.74	24.31
2002	23.24	26.79	32.88	50.52	60.94	72.13	85.62	77.46	67.54	50.30	37.17	30.74
2003	33.26	28.78	41.61	49.00	60.77	72.50	86.45	82.26	67.73	59.41	33.40	31.08
2004	22.18	29.73	43.15	53.93	58.63	69.85	77.51	75.92	65.43	52.60	38.45	29.84
NCEI Climatology	29.50	33.33	44.39	56.70	66.70	76.29	86.71	85.40	74.61	58.10	41.00	29.69

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1996	M	M	M	M	M	M	56.20	48.85	36.75	29.06	23.20	16.58
1997	9.75	15.75	19.35	25.83	38.94	46.83	48.92	49.60	42.88	30.30	21.89	11.65
1998	16.53	21.00	18.44	30.28	37.04	43.89	57.00	M	40.21	30.81	27.12	17.60
1999	16.17	16.22	20.44	28.81	39.77	43.59	52.33	50.21	36.90	29.62	25.66	16.12
2000	14.86	22.11	21.61	31.73	38.96	47.97	55.88	51.00	37.71	32.81	13.63	8.87
2001	9.19	15.32	22.09	28.69	36.87	45.39	55.37	48.57	40.97	30.23	25.60	11.74
2002	10.31	2.79	14.92	29.99	36.33	46.00	55.15	47.48	39.85	25.73	18.05	19.71
2003	21.05	11.98	22.39	30.33	37.89	45.03	55.72	54.02	38.82	33.26	15.74	18.56
2004	9.00	13.77	22.62	31.79	37.60	44.40	50.77	49.13	40.13	34.29	23.43	19.16
NCEI Climatology	14.90	17.61	25.59	32.90	40.60	47.20	54.70	53.09	44.80	34.29	23.90	15.61

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1996	M	M	M	M	M	M	68.73	63.88	50.50	40.76	30.23	21.37
1997	17.70	23.46	29.39	36.07	51.66	58.41	61.02	63.18	55.92	38.72	30.77	19.29
1998	23.52	26.83	25.94	40.78	47.65	52.72	69.00	M	54.25	42.56	31.96	24.30
1999	22.83	22.87	31.30	38.19	48.62	54.72	66.58	64.00	51.68	44.84	36.66	21.94
2000	20.39	27.75	29.67	42.04	49.86	59.97	68.79	65.97	51.16	42.58	21.17	17.43
2001	17.71	21.85	30.91	39.95	52.13	58.81	68.21	66.28	56.96	41.82	34.17	18.03
2002	16.78	14.79	23.90	40.26	48.64	59.07	70.38	62.47	53.69	38.01	27.61	25.23
2003	27.15	20.38	32.00	39.66	49.33	58.76	71.09	68.14	53.28	46.34	24.57	24.82
2004	15.59	21.75	32.88	42.86	48.12	57.12	64.14	62.53	52.78	43.45	30.94	24.50
NCEI Climatology	22.20	25.47	34.99	44.80	53.65	61.75	70.70	69.25	59.70	46.20	32.45	22.65

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
1996	M	M	M	M	M	M	47.9%	46.2%	58.8%	64.9%	78.6%	82.4%
1997	79.2%	76.8%	74.0%	67.5%	61.4%	64.3%	62.7%	58.3%	64.5%	73.4%	74.9%	83.9%
1998	85.7%	85.1%	80.2%	64.3%	70.8%	70.2%	67.0%	M	65.3%	62.5%	83.7%	84.5%
1999	86.9%	84.3%	74.3%	70.2%	75.9%	62.8%	44.6%	56.3%	52.8%	57.9%	69.4%	81.5%
2000	84.6%	85.5%	79.4%	64.3%	64.9%	50.7%	43.5%	47.4%	61.3%	72.4%	78.6%	79.6%
2001	80.0%	85.2%	78.5%	65.9%	50.4%	54.7%	51.4%	42.1%	51.6%	60.2%	79.1%	84.2%
2002	82.6%	81.2%	83.6%	68.6%	59.1%	60.5%	44.8%	44.8%	58.8%	63.5%	80.1%	86.8%
2003	87.2%	82.3%	79.5%	75.5%	63.6%	55.0%	41.3%	46.9%	51.3%	56.6%	85.6%	87.6%
2004	89.1%	91.2%	81.0%	71.3%	66.5%	60.6%	55.3%	52.8%	59.5%	72.1%	81.8%	86.8%

Monthly Plots

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JanFebMarAprMayJunJulAugSepOctNovDec 199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

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