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 () 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
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	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	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	M	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
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	0.00	0.00	M	M	M	M	M
2017	M	M	M	M	M	M	0.00	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	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
1985	8.0	7.7	8.1	10.5	8.1	9.5	6.4	6.7	9.1	7.3	6.9	6.7
1986	6.5	5.3	7.9	9.6	8.0	8.0	7.9	6.0	5.7	6.6	6.9	6.5
1987	5.2	4.9	6.3	7.3	6.9	7.5	5.1	6.2	7.4	7.2	6.1	7.7
1988	7.0	8.9	7.4	8.8	9.1	8.6	7.8	6.8	7.7	7.0	6.7	6.5
1989	8.6	8.6	6.0	7.1	9.5	8.5	6.9	5.0	7.4	6.4	7.4	7.0
1990	7.5	7.6	7.1	8.7	7.8	7.2	6.6	4.5	6.8	8.5	7.4	7.7
1991	9.1	7.1	5.9	7.7	7.5	7.9	6.5	4.9	7.6	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	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	M	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
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	8.6	7.0	8.9
2014	10.5	6.7	7.9	8.9	8.4	8.2	7.1	6.3	7.3	8.5	7.4	6.8
2015	7.6	7.8	8.1	9.5	8.6	7.5	8.4	6.6	7.0	8.2	7.2	5.7
2016	5.7	7.9	7.2	9.9	9.2	8.5	6.6	7.5	7.7	6.3	6.3	8.8
2017	7.6	7.1	6.8	7.7	8.7	9.5	7.2	6.4	7.6	10.2	7.4	8.8
2018	6.6	8.4	6.6	8.2	8.9	8.5	6.9	7.2	7.5	7.6	6.6	7.4
2019	8.2	6.5	6.6	8.9	7.8	8.7	7.4	6.8	6.9	9.4	7.0	5.8
2020	7.2	8.1	8.9	9.7	9.6	8.5	7.8	8.3	8.4	8.5	7.6	6.9
2021	8.2	8.4	8.3	8.4	9.3	8.6	7.3	8.3	8.1	7.6	6.9	7.6
2022	8.4	9.6	9.1	10.1	9.3	8.8	6.7	6.9	7.3	7.8	9.1	6.9
2023	6.4	7.5	6.6	8.5	8.7	8.3	7.0	6.7	6.8	7.6	6.7	6.0
2024	5.4	6.4	8.0	9.4	9.4	9.1	7.9	7.2	7.1	6.7	6.4	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1985	22.10	17.32	36.68	49.55	63.84	65.37	73.32	67.84	52.73	47.03	12.73	26.39
1986	26.35	16.04	40.13	46.30	63.16	67.17	66.53	71.58	54.37	54.35	22.57	29.39
1987	30.13	32.39	29.39	56.03	63.00	70.79	71.19	63.13	66.37	53.55	40.73	31.29
1988	16.58	25.90	44.77	54.73	66.23	68.13	69.13	68.19	61.00	54.35	30.77	25.71
1989	21.72	12.93	21.94	51.87	60.32	67.03	71.48	66.94	61.90	49.39	32.97	24.74
1990	23.10	22.61	40.65	47.43	61.00	67.10	70.81	70.55	66.63	46.00	24.73	12.16
1991	18.03	35.89	30.74	54.50	61.32	64.53	72.71	75.10	62.57	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	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	M	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
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	51.16	28.64	15.97
2014	29.91	12.65	27.06	48.26	59.52	68.18	75.61	73.34	63.32	54.76	26.12	27.06
2015	26.37	24.35	43.15	53.78	62.83	72.26	76.25	74.45	60.44	56.39	34.64	22.13
2016	23.23	35.91	42.05	58.16	64.57	71.72	72.94	71.66	61.10	40.25	39.86	17.77
2017	24.45	26.34	29.62	43.88	66.61	69.44	74.39	72.12	63.32	50.58	25.10	26.08
2018	23.23	18.50	29.50	43.40	69.80	71.06	73.63	70.73	50.54	48.37	33.62	26.60
2019	26.72	2.17	34.03	50.18	61.79	65.90	69.45	66.72	60.50	45.82	33.32	25.67
2020	14.17	29.64	29.64	44.90	60.97	67.16	71.89	72.24	63.92	43.38	32.60	31.77
2021	26.43	13.36	44.02	51.86	60.80	75.26	77.35	73.34	65.60	50.87	39.38	10.23
2022	24.98	26.79	36.41	46.28	60.39	68.48	73.75	78.16	70.10	59.64	28.28	9.82
2023	25.21	25.89	29.15	52.82	73.57	73.22	72.35	72.47	65.84	50.75	40.58	36.82
2024	15.57	29.58	31.88	52.10	59.64	66.20	80.08	73.81	68.72	50.75	29.46	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1985	11.53	5.39	23.06	34.31	44.45	47.27	54.00	47.97	37.87	30.87	1.97	16.84
1986	16.06	3.71	26.84	32.33	43.58	51.50	53.10	50.87	38.57	34.16	11.93	16.90
1987	15.23	17.89	19.74	34.13	43.35	54.07	53.42	48.10	44.00	33.48	26.90	16.97
1988	4.90	9.79	25.23	30.77	45.23	53.50	53.81	50.84	43.04	31.26	18.03	15.19
1989	9.86	-1.50	5.77	29.43	42.13	51.67	55.52	52.29	40.70	29.29	23.43	16.19
1990	13.29	7.43	23.74	30.70	42.77	51.97	53.74	51.10	43.33	30.65	12.53	1.35
1991	6.13	23.82	13.52	34.17	42.74	50.63	54.55	53.74	42.37	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	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	M	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
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	30.59	10.82	-1.62
2014	11.10	-6.12	10.81	27.74	36.94	46.34	53.14	51.16	41.18	33.45	9.50	9.41
2015	9.88	6.93	24.22	29.96	36.35	48.80	54.12	49.07	39.50	33.68	19.04	5.46
2016	3.43	19.34	26.54	34.10	40.94	50.78	53.77	51.28	41.72	29.15	26.30	2.15
2017	7.96	11.11	12.72	30.62	42.97	50.24	51.74	49.48	42.50	30.08	10.04	10.34
2018	4.71	-0.46	10.57	23.36	45.88	49.10	51.57	49.77	35.42	29.04	18.92	9.59
2019	9.47	-16.92	14.93	30.32	38.21	49.04	51.68	49.59	42.56	27.65	17.30	8.19
2020	-1.79	9.97	10.21	25.70	40.36	49.04	53.83	50.99	43.64	27.59	14.90	14.64
2021	10.46	-4.39	21.95	25.46	39.20	53.00	54.70	50.99	43.46	29.74	17.36	-3.19
2022	5.60	9.89	18.24	26.72	38.91	49.70	54.70	52.50	43.64	34.44	12.38	-7.66
2023	9.82	8.86	9.18	29.54	46.69	50.84	53.14	51.74	41.90	30.43	22.04	16.73
2024	-3.07	10.90	14.17	30.32	40.65	45.26	55.86	51.45	44.30	32.06	15.06	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1985	16.82	11.36	29.87	41.93	54.15	56.32	63.66	57.90	45.30	38.95	7.35	21.61
1986	21.21	9.88	33.48	39.32	53.37	59.33	59.82	61.23	46.47	44.26	17.25	23.15
1987	22.68	25.14	24.56	45.08	53.18	62.43	62.31	55.61	55.18	43.52	33.82	24.13
1988	10.74	17.84	35.00	42.75	55.73	60.82	61.47	59.52	52.02	42.81	24.40	20.45
1989	15.79	5.71	13.85	40.65	51.23	59.35	63.50	59.61	51.30	39.34	28.20	20.47
1990	18.19	15.02	32.19	39.07	51.89	59.53	62.27	60.82	54.98	38.32	18.63	6.76
1991	12.08	29.86	22.13	44.33	52.03	57.58	63.63	64.42	52.47	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	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	M	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
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	40.87	19.73	7.18
2014	20.50	3.26	18.94	38.00	48.23	57.26	64.37	62.25	52.25	44.11	17.81	18.24
2015	18.12	15.64	33.68	41.87	49.59	60.53	65.18	61.76	49.97	45.04	26.84	13.80
2016	13.33	27.62	34.29	46.13	52.76	61.25	63.35	61.47	51.41	34.70	33.08	9.96
2017	16.21	18.73	21.17	37.25	54.79	59.84	63.06	60.80	52.91	40.33	17.57	18.21
2018	13.97	9.02	20.04	33.38	57.84	60.08	62.60	60.25	42.98	38.71	26.27	18.09
2019	18.09	-7.38	24.48	40.25	50.00	57.47	60.57	58.16	51.53	36.73	25.31	16.93
2020	6.19	19.80	19.93	35.30	50.67	58.10	62.86	61.61	53.78	35.48	23.75	23.20
2021	18.44	4.49	32.99	38.66	50.00	64.13	66.03	62.16	54.53	40.30	28.37	3.52
2022	15.29	18.34	27.33	36.50	49.65	59.09	64.23	65.33	56.87	47.04	20.33	1.08
2023	17.51	17.37	19.17	41.18	60.13	62.03	62.75	62.11	53.87	40.59	31.31	26.77
2024	6.25	20.24	23.03	41.21	50.15	55.73	67.97	62.63	56.51	41.41	22.26	M

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
1985	73.4%	73.7%	72.5%	59.7%	58.0%	63.1%	68.3%	76.5%	79.4%	71.5%	71.8%	78.3%
1986	78.1%	77.9%	73.4%	65.8%	62.0%	62.3%	79.5%	69.8%	78.8%	75.1%	76.2%	78.2%
1987	78.0%	79.1%	77.5%	63.5%	61.2%	63.4%	74.0%	80.5%	69.4%	62.7%	73.8%	77.4%
1988	71.9%	68.3%	65.7%	49.9%	51.7%	70.7%	71.0%	74.6%	71.3%	69.0%	80.2%	75.4%
1989	71.8%	73.1%	74.4%	62.2%	61.1%	72.0%	78.2%	85.8%	75.7%	72.1%	78.2%	76.6%
1990	73.1%	70.6%	71.7%	70.8%	64.5%	69.9%	74.7%	76.6%	70.3%	70.1%	76.0%	75.0%
1991	69.4%	76.6%	75.8%	64.6%	68.2%	74.8%	68.0%	75.5%	72.2%	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	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	M	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
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	66.7%	82.6%	79.0%
2014	74.1%	73.0%	65.8%	65.7%	58.3%	66.8%	69.9%	70.1%	71.0%	68.3%	82.0%	83.1%
2015	76.3%	78.8%	69.5%	53.8%	48.2%	60.2%	59.5%	61.9%	70.3%	65.4%	77.1%	82.8%
2016	80.6%	72.9%	77.3%	53.6%	56.2%	62.0%	74.5%	74.1%	71.4%	87.4%	82.8%	72.9%
2017	76.1%	74.2%	79.6%	78.4%	55.5%	63.2%	70.8%	70.2%	71.0%	67.2%	81.2%	65.9%
2018	79.1%	67.9%	79.1%	64.7%	50.1%	60.3%	70.4%	71.4%	79.7%	66.5%	86.0%	80.6%
2019	81.7%	72.9%	67.9%	59.0%	55.7%	73.0%	79.6%	78.5%	78.6%	72.3%	84.5%	82.5%
2020	76.6%	72.0%	71.7%	59.7%	62.0%	69.3%	74.0%	67.2%	69.1%	69.5%	81.2%	75.3%
2021	73.8%	69.7%	67.3%	53.9%	59.7%	59.5%	65.3%	65.9%	63.5%	64.6%	75.3%	74.7%
2022	75.5%	73.7%	75.2%	63.3%	57.5%	67.4%	72.5%	68.5%	64.2%	64.2%	76.3%	82.1%
2023	85.8%	74.3%	74.9%	60.7%	55.4%	64.9%	76.3%	75.0%	68.3%	71.2%	72.6%	74.2%
2024	81.0%	74.9%	72.0%	54.1%	62.4%	64.0%	63.2%	70.4%	68.2%	72.8%	85.1%	M

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