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 (USC00216565) 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
2002	M	M	M	M	M	M	0.00	0.00	0.00	0.00	0.00	0.00
2003	0.00	0.00	0.00	0.00	0.00	19.38	0.00	0.00	0.00	0.00	0.00	0.00
2004	0.00	0.00	0.00	0.00	0.00	M	M	0.00	0.00	0.00	M	M
2005	M	M	M	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2006	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	0.00	0.00
2007	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2008	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2009	0.00	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	0.05	0.05	0.05	0.15	0.03	0.00	0.07
2011	0.01	0.01	0.16	0.09	0.12	0.05	0.00	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	0.13
2014	1.07	0.49	0.88	0.99	0.95	1.16	0.84	0.93	0.28	0.66	1.26	0.22
2015	1.05	0.75	1.17	1.82	0.85	0.63	0.26	1.17	0.84	0.34	0.47	1.31
2016	0.92	0.69	1.57	2.70	0.09	0.01	0.05	0.03	0.02	0.01	0.00	0.00
2017	0.00	0.00	0.00	0.00	0.01	0.02	0.01	0.02	0.00	0.02	0.00	0.00
2018	0.00	0.01	0.00	0.01	0.01	0.02	0.03	0.01	0.02	0.00	0.01	0.02
2019	0.00	0.02	0.00	0.03	0.03	0.01	0.01	0.01	0.00	0.02	0.01	0.00
2020	0.00	0.00	0.01	0.00	0.02	0.03	0.04	0.00	0.00	0.00	0.00	0.01
2021	0.01	0.00	0.01	0.00	0.01	0.00	0.00	0.03	0.02	0.04	0.00	0.01
2022	0.00	0.00	0.00	0.01	0.03	0.00	0.00	0.00	0.01	0.00	0.01	0.00
2023	0.01	0.00	0.00	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
2026	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	0.67	0.76	1.47	2.99	3.97	4.45	3.30	3.46	3.25	2.35	1.10	0.85

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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	12.8	15.2	14.9	12.8	M	M	M	10.1	13.2	12.9	M	M
2005	M	M	M	M	M	6.6	M	9.9	11.4	10.6	13.9	9.6
2006	14.6	13.8	14.0	13.9	15.4	10.4	10.0	9.6	8.3	M	12.9	12.3
2007	14.8	13.1	14.7	14.0	15.7	12.6	9.1	7.9	12.0	12.3	14.3	11.1
2008	13.8	12.6	13.1	14.5	13.9	11.2	9.9	9.9	11.6	12.7	14.5	15.9
2009	15.0	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	10.7	9.7	10.6	10.7	12.2	13.9	11.1
2011	10.5	16.1	11.8	14.1	14.7	11.9	9.1	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	13.5
2014	17.9	15.0	14.5	15.5	12.3	11.6	10.7	7.3	10.9	12.8	16.1	15.0
2015	14.8	14.3	14.0	11.8	29.9	11.8	8.3	9.5	9.6	10.5	13.8	12.4
2016	13.6	14.7	13.4	15.8	12.0	11.8	9.9	8.9	10.6	13.0	12.8	14.1
2017	13.2	15.1	14.8	13.5	12.5	10.8	8.5	7.1	9.5	11.4	12.5	13.2
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
2025	M	13.7	15.3	14.5	12.6	12.1	9.3	8.1	8.5	11.8	11.7	15.2
2026	13.7	13.3	15.4	13.8	13.0	11.2	8.7	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
2002	M	M	M	M	M	M	83.83	76.07	72.04	45.26	39.75	32.80
2003	22.68	23.48	38.53	55.76	64.47	74.39	81.35	81.18	68.27	60.37	35.34	28.77
2004	20.21	27.17	42.12	58.63	M	M	M	74.42	73.48	57.97	M	M
2005	M	M	M	M	M	78.65	77.01	75.06	75.58	58.72	41.67	22.77
2006	31.78	25.98	36.26	59.30	68.46	77.22	82.64	77.28	64.90	M	44.68	33.78
2007	23.37	17.99	42.18	51.92	71.18	77.75	82.56	77.38	71.93	60.66	40.09	21.52
2008	19.29	21.63	34.20	50.00	64.13	74.55	81.26	78.26	71.79	56.42	38.74	20.74
2009	13.70	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	78.07	84.45	83.16	66.96	61.21	39.46	18.78
2011	14.97	20.06	35.12	48.87	63.79	74.62	87.62	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	16.45
2014	20.27	16.59	33.86	51.27	66.90	75.87	76.00	75.47	68.65	59.56	30.34	28.09
2015	24.50	20.16	45.52	52.91	60.88	75.55	81.72	75.98	75.16	61.13	45.46	29.10
2016	21.02	29.05	45.48	55.50	68.81	80.00	79.11	77.15	70.65	58.71	49.28	20.79
2017	22.02	37.66	38.39	54.82	65.78	77.68	81.69	73.17	72.46	56.89	41.00	25.14
2018	22.04	19.19	33.46	41.85	50.78	77.89	79.50	76.70	69.78	51.40	32.25	28.37
2019	18.04	13.09	30.65	50.09	60.97	77.44	81.04	75.31	70.78	48.28	34.87	26.08
2020	22.88	24.91	39.97	53.30	62.63	81.78	80.95	79.35	69.93	48.74	45.39	33.59
2021	28.13	15.04	45.41	53.79	66.65	84.35	81.33	79.62	74.88	60.15	42.82	28.74
2022	20.22	24.11	34.86	44.68	64.17	77.98	79.80	77.57	73.99	59.53	37.29	18.83
2023	20.51	24.09	27.08	43.99	59.64	77.35	77.07	79.27	75.58	55.10	45.09	36.16
2024	18.80	38.03	41.12	53.97	66.98	74.18	78.29	74.72	76.50	62.52	39.96	27.83
2025	22.23	20.38	48.44	54.52	67.38	75.88	79.44	75.89	73.47	60.45	41.61	27.85
2026	20.71	36.82	46.89	53.83	63.12	72.84	81.10	M	M	M	M	M
NCEI Climatology	22.39	27.37	39.89	54.99	67.99	78.10	82.40	80.21	73.20	58.70	41.60	27.89

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	63.16	59.01	50.97	30.65	21.91	16.33
2003	6.22	4.31	18.33	36.20	45.45	55.49	61.11	61.23	47.23	39.39	19.96	16.61
2004	3.08	13.13	25.92	33.67	M	M	M	51.48	52.81	37.21	M	M
2005	M	M	M	M	M	72.47	72.17	64.54	54.89	39.84	24.80	9.93
2006	19.01	7.21	23.51	39.95	48.10	56.78	61.54	59.29	50.39	M	23.03	16.94
2007	8.55	3.30	26.43	31.45	49.39	57.09	61.62	59.62	50.42	41.28	22.67	7.14
2008	2.82	4.63	18.16	30.33	43.05	54.91	61.14	58.88	49.24	37.63	23.55	1.27
2009	-5.25	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	58.86	58.11	61.73	48.57	40.32	23.41	5.67
2011	-0.93	5.10	16.90	33.78	45.62	57.40	71.78	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	0.05
2014	-0.79	-0.75	15.32	31.83	46.23	57.47	58.19	60.43	58.38	40.59	13.33	16.53
2015	8.82	-0.53	23.81	36.57	41.30	57.44	62.97	57.87	55.32	38.64	29.20	16.72
2016	7.43	15.82	29.35	35.80	47.45	58.57	60.34	60.35	52.84	40.73	32.73	6.07
2017	9.84	19.92	22.27	-8.85	-197.15	-105.28	-232.24	-234.50	-129.87	-310.63	-373.17	-159.35
2018	-184.63	-134.27	-107.04	-84.07	8.15	60.82	60.63	58.94	52.45	33.38	16.56	14.00
2019	1.31	-3.72	15.76	34.07	42.43	57.29	62.92	57.99	53.36	33.43	20.40	12.70
2020	7.58	7.09	25.25	30.67	45.68	61.00	62.57	59.44	48.79	30.64	25.88	14.80
2021	15.30	1.19	28.64	32.45	45.70	60.32	62.29	60.00	53.37	41.72	24.52	11.53
2022	-2.91	-0.35	19.14	27.29	45.03	56.79	61.08	57.25	50.77	35.52	20.32	4.38
2023	6.70	6.25	11.05	31.59	49.36	60.47	56.94	59.78	53.56	37.32	23.20	20.96
2024	7.11	20.31	20.73	35.41	46.35	56.05	60.21	57.54	52.98	39.90	25.29	12.81
2025	1.61	0.40	23.03	32.53	45.63	55.74	61.05	58.44	53.24	42.14	25.08	8.11
2026	3.02	16.10	22.16	31.94	39.46	54.22	62.72	M	M	M	M	M
NCEI Climatology	4.80	8.98	21.29	33.70	46.60	57.60	61.19	58.80	49.81	35.91	22.60	11.00

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	73.50	67.54	61.50	37.95	30.83	24.56
2003	14.45	13.89	28.43	45.98	54.96	64.94	71.23	71.20	57.75	49.88	27.65	22.69
2004	11.65	20.15	34.02	46.15	M	M	M	62.95	63.14	47.59	M	M
2005	M	M	M	M	M	75.56	74.59	69.80	65.24	49.28	33.24	16.35
2006	25.39	16.59	29.88	49.62	58.28	67.00	72.09	68.28	57.64	M	33.86	25.36
2007	15.96	10.64	34.31	41.68	60.29	67.42	72.09	68.50	61.18	50.97	31.38	14.33
2008	11.05	13.13	26.18	40.17	53.59	64.73	71.20	68.57	60.52	47.02	31.15	11.01
2009	4.22	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	68.46	71.28	70.20	57.76	50.76	31.43	12.23
2011	7.02	12.58	26.01	41.32	54.70	66.01	79.70	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	8.25
2014	9.74	7.92	24.59	41.55	56.56	66.67	67.09	67.95	63.52	50.08	21.84	22.31
2015	16.66	9.81	34.67	44.74	51.09	66.50	72.34	66.93	65.24	49.89	37.33	22.91
2016	14.22	22.44	37.41	45.65	58.13	69.29	69.72	68.75	61.75	49.72	41.01	13.43
2017	15.93	28.79	30.33	22.98	-65.69	-13.80	-75.28	-80.66	-28.70	-126.87	-166.09	-67.10
2018	-81.30	-57.54	-36.79	-21.11	29.47	69.36	70.06	67.82	61.11	42.39	24.40	21.19
2019	9.68	4.69	23.21	42.08	51.70	67.37	71.98	66.65	62.07	40.85	27.63	19.39
2020	15.23	16.00	32.61	41.99	54.15	71.39	71.76	69.40	59.36	39.69	35.63	24.19
2021	21.72	8.11	37.03	43.12	56.17	72.34	71.81	69.81	64.12	50.93	33.67	20.13
2022	8.66	11.88	27.00	35.99	54.60	67.39	70.44	67.41	62.38	47.53	28.81	11.60
2023	13.61	15.17	19.07	37.79	54.50	68.91	67.01	69.52	64.57	46.21	34.14	28.56
2024	12.95	29.17	30.93	44.69	56.66	65.11	69.25	66.13	64.74	51.21	32.62	20.32
2025	11.92	10.39	35.74	43.53	56.51	65.81	70.24	67.17	63.36	51.30	33.34	17.98
2026	11.87	26.46	34.53	42.89	51.29	63.53	71.91	M	M	M	M	M
NCEI Climatology	13.60	18.17	30.59	44.34	57.29	67.85	71.80	69.50	61.50	47.30	32.10	19.45

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
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	76.8%	83.4%	75.6%	55.4%	M	M	M	72.0%	73.0%	70.5%	M	M
2005	M	M	M	M	M	50.8%	M	70.7%	72.0%	75.6%	80.8%	92.7%
2006	91.6%	85.6%	86.2%	72.2%	71.1%	72.6%	77.4%	84.5%	87.6%	M	66.7%	75.7%
2007	78.0%	78.5%	80.8%	62.7%	62.9%	65.8%	67.3%	76.9%	70.2%	74.7%	69.5%	90.5%
2008	84.3%	85.7%	81.6%	71.1%	63.5%	66.9%	69.9%	74.7%	74.4%	71.5%	82.7%	86.7%
2009	84.2%	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	73.7%	78.0%	75.1%	78.0%	65.4%	78.7%	89.9%
2011	91.5%	88.8%	93.4%	78.7%	72.1%	75.3%	80.8%	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	83.9%
2014	82.2%	80.1%	79.8%	70.4%	64.0%	73.8%	74.8%	83.0%	71.7%	61.0%	79.8%	91.4%
2015	90.8%	94.0%	50.0%	53.5%	44.5%	M	M	M	M	74.1%	75.6%	89.2%
2016	87.0%	85.6%	77.9%	69.7%	60.5%	66.6%	78.2%	81.3%	78.7%	77.0%	76.3%	82.1%
2017	86.6%	77.6%	75.0%	72.2%	65.8%	59.3%	72.9%	80.8%	79.0%	68.6%	74.2%	76.9%
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
2025	M	76.7%	67.0%	64.6%	59.1%	72.0%	82.3%	82.0%	75.3%	69.4%	75.3%	84.7%
2026	78.9%	73.9%	72.4%	68.6%	48.5%	67.8%	81.2%	M	M	M	M	M