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 (USC00243885) 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
1990	M	M	M	M	M	M	M	M	0.00	0.00	M	0.00
1991	M	M	M	M	M	0.00	0.00	0.00	M	M	M	M
1992	M	M	M	M	M	M	0.00	0.00	0.00	0.00	0.00	0.00
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	0.00	M	M	M	0.00	M	0.00	0.00	M	0.00	0.00
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	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	M	0.00	M	0.00	0.00
2001	0.00	M	0.00	0.00	0.00	0.00	M	M	M	M	M	M
NCEI Climatology	0.96	1.22	0.98	1.12	1.53	1.65	0.85	0.80	0.81	0.94	1.45	1.33

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1990	M	M	M	M	M	M	M	M	6.4	M	M	M
1991	M	M	M	M	M	6.7	7.0	6.8	M	M	M	M
1992	M	M	M	M	M	M	M	4.7	10.4	M	M	M
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	M	M	M	M	4.9	M	M	M	M	M	0.4
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	4.4	4.2	5.4	3.8	5.3	7.7
1997	4.7	8.3	5.6	7.2	6.5	4.0	6.4	3.8	2.4	5.6	6.0	3.4
1998	4.4	M	3.2	3.8	5.2	6.0	M	6.4	M	M	M	4.5
1999	M	M	2.8	3.5	6.8	5.2	4.5	2.4	4.0	M	2.8	8.0
2000	M	M	M	M	M	M	M	M	M	M	M	0.0
2001	M	M	M	9.9	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
1990	M	M	M	M	M	M	M	M	78.75	52.00	M	18.50
1991	M	M	M	M	M	67.45	84.67	86.25	M	M	M	M
1992	M	M	M	M	M	M	80.43	82.39	68.95	62.46	42.14	12.00
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	42.09	M	M	M	86.83	M	81.67	72.00	M	37.70	35.30
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	74.60	85.90	80.82	68.04	56.47	40.61	32.56
1997	30.80	38.13	49.32	53.29	71.11	71.61	80.24	80.56	71.50	54.73	43.99	33.77
1998	35.13	43.47	49.16	58.14	66.61	67.13	86.54	86.54	76.20	56.13	44.46	35.29
1999	40.05	39.81	52.47	56.68	61.94	69.80	82.64	82.22	70.83	59.80	48.67	35.83
2000	37.40	36.30	55.50	64.86	60.98	81.40	85.25	82.40	68.00	M	41.00	30.65
2001	31.18	33.90	50.10	51.30	69.43	71.55	M	M	M	M	M	M
NCEI Climatology	35.10	39.34	48.89	56.10	65.51	73.01	84.00	82.40	71.90	56.80	42.60	33.50

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1990	M	M	M	M	M	M	M	M	50.85	43.00	M	3.50
1991	M	M	M	M	M	52.45	58.08	58.88	M	M	M	M
1992	M	M	M	M	M	M	57.71	54.68	48.47	42.54	31.14	11.00
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	25.00	M	M	M	60.83	M	58.33	43.00	M	28.50	26.10
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	52.70	58.40	54.83	46.32	38.04	29.01	25.38
1997	21.16	27.54	34.04	37.55	49.53	53.48	56.87	56.15	48.04	40.18	30.93	24.33
1998	26.70	29.42	31.87	40.74	47.22	52.05	61.92	57.41	51.20	35.39	35.62	25.70
1999	31.55	28.56	31.47	36.02	44.19	52.30	55.21	57.65	46.69	39.50	34.74	29.39
2000	31.57	32.05	29.50	41.43	53.55	55.20	60.75	82.00	55.50	M	22.00	22.61
2001	25.59	25.60	42.60	40.62	53.79	58.02	M	M	M	M	M	M
NCEI Climatology	18.90	19.55	24.60	30.70	38.19	44.70	49.70	47.70	40.40	30.90	23.20	17.90

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1990	M	M	M	M	M	M	M	M	64.80	47.50	M	11.00
1991	M	M	M	M	M	59.95	71.38	72.56	M	M	M	M
1992	M	M	M	M	M	M	69.07	68.53	58.71	52.50	36.64	11.50
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	33.55	M	M	M	73.83	M	70.00	57.50	M	33.10	30.70
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	63.65	72.15	67.82	57.18	47.25	34.81	28.97
1997	25.98	32.84	41.68	45.42	60.32	62.54	68.55	68.36	59.77	47.46	37.46	29.05
1998	30.91	36.45	40.51	49.44	56.91	59.59	74.23	71.98	63.70	45.76	40.04	30.50
1999	35.80	34.19	41.97	46.35	53.07	61.05	68.93	69.93	58.76	49.65	41.70	32.61
2000	34.48	34.17	42.50	53.14	57.27	68.30	73.00	82.20	61.75	M	31.50	26.63
2001	28.38	29.75	46.35	45.96	61.61	64.79	M	M	M	M	M	M
NCEI Climatology	27.00	29.44	36.75	43.40	51.85	58.85	66.85	65.05	56.15	43.85	32.90	25.70

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
1990	M	M	M	M	M	M	M	M	40.5%	M	M	M
1991	M	M	M	M	M	52.4%	39.6%	46.1%	M	M	M	M
1992	M	M	M	M	M	M	M	44.6%	44.1%	M	M	M
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	M	M	M	M	34.4%	M	M	M	M	M	85.3%
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	52.0%	50.3%	50.4%	66.5%	67.8%	81.2%
1997	76.2%	87.8%	62.5%	63.4%	56.4%	65.0%	56.7%	59.6%	72.4%	70.3%	77.1%	80.1%
1998	74.7%	M	68.5%	70.7%	64.7%	64.8%	M	53.2%	M	M	M	33.3%
1999	M	M	63.6%	56.9%	53.5%	57.5%	48.5%	55.3%	55.7%	M	78.9%	62.6%
2000	M	M	M	M	M	M	M	M	M	M	M	69.1%
2001	M	M	M	61.4%	M	M	M	M	M	M	M	M

Monthly Plots

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