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 (USC00325186) 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
1983	M	M	M	M	M	M	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	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	M	M	M	M
NCEI Climatology	0.70	0.68	1.02	1.93	3.09	4.23	3.77	2.42	2.60	2.20	0.87	0.72

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1983	M	M	M	M	M	M	8.0	2.6	8.4	7.5	8.1	8.3
1984	8.3	7.0	7.7	9.0	8.7	6.9	5.7	6.4	7.2	6.8	4.4	7.5
1985	10.0	8.0	9.4	8.9	8.9	7.6	6.1	7.8	7.3	8.3	7.7	9.6
1986	9.0	6.8	8.3	10.3	9.3	7.7	6.3	5.3	6.9	5.8	8.7	6.7
1987	7.3	7.6	9.1	7.8	8.4	7.6	6.9	6.0	5.6	7.3	6.8	7.4
1988	7.6	8.6	9.6	7.7	10.1	7.9	6.8	7.0	7.2	6.9	7.3	8.1
1989	8.8	9.1	7.1	9.2	8.8	7.2	5.5	6.9	7.0	6.2	7.6	6.5
1990	7.8	4.4	8.2	7.8	7.8	7.0	4.8	5.0	5.1	6.1	7.0	5.2
1991	7.1	6.3	8.0	9.2	8.6	7.4	5.6	5.1	7.0	7.5	6.9	7.5
1992	6.4	6.7	6.6	7.8	8.4	5.9	5.1	4.9	6.5	5.6	6.1	6.8
1993	7.3	5.3	6.5	6.5	7.0	7.5	6.4	4.8	5.3	6.0	6.8	6.2
1994	6.0	6.8	7.8	8.4	7.1	6.3	5.2	4.4	4.7	7.7	7.9	5.2
1995	5.6	6.9	7.2	7.2	7.1	5.8	5.1	5.3	4.4	5.7	6.6	6.0
1996	5.4	8.7	6.4	7.4	7.3	5.9	4.9	5.1	4.6	7.2	5.9	6.6
1997	7.1	6.3	7.7	5.7	7.8	5.8	5.1	3.7	5.2	7.3	5.9	5.6
1998	5.2	5.5	5.7	6.0	6.1	6.1	3.2	2.7	1.4	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	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
1983	M	M	M	M	M	M	77.40	68.50	63.00	54.10	35.72	9.10
1984	21.00	30.92	29.19	53.97	65.45	69.19	84.67	86.48	65.87	56.03	39.96	20.41
1985	20.54	22.75	42.26	61.53	73.55	70.13	82.94	76.42	63.60	57.48	29.40	16.45
1986	23.52	17.61	46.25	53.00	68.55	79.10	82.29	76.03	64.64	57.19	32.67	33.35
1987	29.23	36.85	38.78	65.63	73.93	82.73	85.03	79.32	71.97	52.07	42.50	28.58
1988	18.00	22.79	39.90	60.77	76.94	87.53	88.65	83.74	70.23	57.07	35.07	26.58
1989	26.16	13.32	28.42	52.27	70.00	77.10	86.26	80.58	72.23	60.81	35.97	16.58
1990	32.32	30.54	42.65	56.13	67.29	77.47	80.52	81.33	74.73	58.97	44.17	23.29
1991	19.29	33.57	40.19	59.00	71.26	80.10	80.71	83.84	70.17	55.52	31.30	30.03
1992	29.42	33.62	42.13	52.73	73.61	73.53	74.32	75.87	69.07	57.13	31.47	18.90
1993	18.74	18.89	35.71	52.77	67.97	71.43	75.16	77.90	65.73	56.45	34.37	24.23
1994	6.48	16.68	38.77	55.40	72.65	78.73	77.87	76.48	72.67	59.55	42.67	28.61
1995	18.97	24.32	34.61	46.55	63.27	79.57	80.22	81.97	69.70	52.23	31.37	20.81
1996	10.65	23.79	27.68	48.07	61.90	78.27	78.29	81.23	69.00	56.00	25.40	13.52
1997	12.19	24.07	30.55	47.83	64.00	79.80	79.35	78.81	75.53	60.29	31.43	31.65
1998	19.58	33.14	32.26	59.70	71.03	76.03	85.84	84.52	77.00	M	M	M
1999	M	M	M	0.00	M	M	M	M	M	M	M	M
2000	M	M	67.50	M	M	M	M	M	M	M	M	M
2001	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	19.50	24.08	37.01	53.60	67.80	77.30	82.20	80.90	72.60	56.90	39.09	25.40

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1983	M	M	M	M	M	M	61.80	63.00	50.25	36.81	25.52	-7.67
1984	2.35	19.04	15.68	34.80	42.39	50.62	59.67	60.45	43.43	39.97	22.79	3.34
1985	3.58	4.04	26.06	34.20	48.65	49.40	56.74	55.45	46.90	32.55	13.24	-1.45
1986	8.71	3.79	28.80	36.76	48.65	59.17	64.06	54.58	49.55	37.16	17.37	15.00
1987	11.94	21.42	24.91	38.33	51.83	56.27	63.58	54.81	48.47	31.37	24.43	16.00
1988	0.13	4.00	21.77	29.23	51.00	60.40	61.39	58.74	47.10	33.93	20.03	10.39
1989	3.61	-3.18	14.19	33.97	46.26	53.47	62.81	58.58	46.33	34.19	16.93	0.45
1990	15.39	11.36	24.65	31.40	43.94	55.00	57.32	58.60	49.13	32.03	22.70	4.19
1991	0.84	13.82	21.39	36.77	51.16	60.30	60.48	60.19	47.73	30.97	15.47	12.32
1992	10.55	18.34	24.97	31.50	45.87	52.43	54.71	52.77	44.31	31.77	22.70	2.42
1993	-0.84	3.18	16.29	32.90	45.65	53.27	59.26	58.81	42.77	31.65	17.37	7.71
1994	-9.32	-2.00	23.26	33.47	49.87	57.40	57.87	55.13	50.37	40.94	25.43	12.55
1995	4.87	5.18	20.55	30.97	45.62	59.97	61.33	62.10	47.03	36.74	17.23	7.48
1996	-5.39	7.41	13.48	30.10	44.74	58.73	58.48	59.19	48.10	34.68	10.57	1.65
1997	-3.10	6.36	13.74	29.03	41.29	57.90	61.39	56.74	49.57	37.42	18.67	18.26
1998	6.35	20.82	19.52	37.70	51.16	56.53	61.19	59.48	54.00	M	M	M
1999	M	M	M	0.00	M	M	M	M	M	M	M	M
2000	M	M	67.50	M	M	M	M	M	M	M	M	M
2001	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	1.80	5.77	18.10	31.90	45.00	56.50	60.40	58.10	49.00	35.70	22.40	9.69

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1983	M	M	M	M	M	M	69.60	65.75	56.62	45.45	30.62	0.72
1984	11.68	24.98	22.44	44.38	53.92	59.90	72.17	73.47	54.65	48.00	31.38	11.88
1985	12.06	13.39	34.16	47.87	61.10	59.77	69.84	65.94	55.25	45.02	21.32	7.50
1986	16.11	10.70	37.52	44.88	58.60	69.14	73.18	65.31	57.09	47.18	25.02	24.18
1987	20.58	29.13	31.85	51.98	62.88	69.50	74.31	67.06	60.22	41.72	33.47	22.29
1988	9.06	13.40	30.83	45.00	63.97	73.97	75.02	71.24	58.67	45.50	27.55	18.48
1989	14.89	5.07	21.31	43.12	58.13	65.28	74.53	69.58	59.28	47.50	26.45	8.52
1990	23.85	20.95	33.65	43.77	55.61	66.23	68.92	69.97	61.93	45.50	33.43	13.74
1991	10.06	23.70	30.79	47.88	61.21	70.20	70.60	72.02	58.95	43.24	23.38	21.18
1992	19.98	25.98	33.55	42.12	59.74	62.98	64.52	64.32	56.69	44.45	27.08	10.66
1993	8.95	11.04	26.00	42.83	56.81	62.35	67.21	68.35	54.25	44.05	25.87	15.97
1994	-1.42	7.34	31.02	44.43	61.26	68.07	67.87	65.81	61.52	50.24	34.05	20.58
1995	11.92	14.75	27.58	38.76	54.44	69.77	70.78	72.03	58.37	44.48	24.30	14.15
1996	2.63	15.60	20.58	39.08	53.32	68.50	68.39	70.21	58.55	45.34	17.98	7.58
1997	4.55	15.21	22.15	38.43	52.65	68.85	70.37	67.77	62.55	48.85	25.05	24.95
1998	12.97	26.98	25.89	48.70	61.10	66.28	73.52	72.00	65.50	M	M	M
1999	M	M	M	0.00	M	M	M	M	M	M	M	M
2000	M	M	67.50	M	M	M	M	M	M	M	M	M
2001	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	10.65	14.92	27.55	42.75	56.40	66.90	71.30	69.50	60.80	46.30	30.75	17.55

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
1983	M	M	M	M	M	M	78.5%	90.3%	78.2%	74.1%	79.3%	70.4%
1984	72.8%	81.8%	75.9%	64.8%	54.2%	69.5%	52.2%	55.1%	57.5%	67.8%	66.8%	67.2%
1985	68.6%	63.5%	69.0%	54.4%	55.4%	63.2%	57.3%	64.7%	68.1%	60.6%	68.1%	66.0%
1986	70.0%	68.6%	61.1%	57.3%	54.5%	54.7%	56.4%	55.9%	53.3%	67.6%	68.9%	69.0%
1987	67.7%	70.7%	66.3%	47.5%	54.7%	52.8%	65.3%	62.4%	63.5%	56.9%	68.0%	73.8%
1988	67.7%	60.8%	62.5%	41.0%	50.4%	49.7%	49.2%	57.7%	59.0%	56.3%	76.4%	70.4%
1989	72.9%	64.6%	74.8%	65.9%	53.9%	57.3%	53.1%	54.1%	49.9%	51.7%	64.7%	60.7%
1990	57.0%	53.3%	56.4%	46.9%	48.2%	53.8%	52.2%	49.9%	55.7%	49.9%	50.9%	59.4%
1991	64.6%	61.6%	61.7%	50.8%	56.0%	59.8%	61.9%	58.4%	55.8%	50.8%	68.0%	68.2%
1992	67.9%	67.4%	59.0%	55.8%	44.8%	57.5%	60.4%	58.2%	55.1%	47.5%	65.4%	65.6%
1993	56.8%	59.5%	57.4%	49.3%	45.2%	46.5%	39.5%	52.2%	75.7%	63.8%	79.1%	85.6%
1994	73.9%	80.1%	78.3%	65.9%	59.8%	66.9%	75.0%	75.2%	73.9%	71.7%	69.8%	80.6%
1995	82.1%	77.8%	79.4%	72.4%	69.8%	66.3%	59.3%	68.8%	62.3%	68.5%	72.0%	73.0%
1996	71.5%	68.9%	72.3%	67.9%	62.9%	63.5%	69.7%	68.1%	72.9%	69.7%	79.8%	76.4%
1997	74.3%	82.5%	81.9%	72.9%	59.3%	63.9%	74.7%	70.8%	60.8%	71.6%	86.6%	86.1%
1998	84.4%	86.1%	81.1%	63.3%	43.4%	61.6%	72.3%	72.6%	56.4%	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	M	M	M	M	M	M