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 (USC00478349) 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	M	M	M	M	M	M
2003	M	M	0.00	0.00	M	0.00	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	0.00	M	0.00	M	0.00	M	M
2006	M	M	M	M	M	M	M	M	M	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	0.01	0.04	0.01	0.00	0.00	0.01	0.01	0.00	0.01
2009	0.00	0.00	0.00	0.00	0.01	0.00	0.02	0.02	0.00	0.02	0.01	0.00
2010	0.00	0.01	0.00	0.00	0.00	0.01	0.01	0.04	0.00	0.00	0.00	0.01
2011	0.01	0.00	0.00	0.00	0.02	0.00	0.01	0.02	0.00	0.02	0.00	0.00
2012	0.00	0.00	0.01	0.01	0.07	0.04	0.01	0.00	0.00	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2014	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2015	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M
2016	M	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2017	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2018	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2019	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2020	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2021	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2022	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2023	0.00	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
NCEI Climatology	0.81	0.93	1.41	2.64	3.37	4.56	3.88	3.92	3.39	3.17	2.12	1.29

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	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	8.2	M	17.1	M	M
2006	M	M	M	M	M	M	M	M	M	M	11.3	12.9
2007	10.1	13.6	13.3	11.8	14.1	10.2	8.5	11.0	11.4	14.9	12.2	9.3
2008	9.6	9.4	11.9	15.9	11.0	11.6	12.3	9.9	8.0	11.3	9.6	11.5
2009	8.9	11.2	13.7	12.8	15.5	10.8	10.6	9.4	7.3	13.5	7.2	11.1
2010	10.3	7.7	10.1	15.1	11.5	11.4	9.9	10.5	13.3	13.4	12.5	9.4
2011	8.2	12.6	11.0	15.0	13.2	15.6	10.1	9.0	7.3	10.4	9.6	10.3
2012	9.5	10.6	7.5	13.9	10.9	9.8	10.1	9.5	9.9	11.7	10.9	8.3
2013	10.5	10.7	10.2	12.8	13.2	11.3	7.1	7.9	10.1	12.4	10.4	10.1
2014	11.0	12.1	10.7	15.5	10.7	12.2	7.3	9.4	10.6	9.8	10.4	7.6
2015	10.4	7.8	10.3	12.9	9.9	6.7	1.6	8.8	7.1	M	M	0.0
2016	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2017	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
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	11.1	14.5	13.1	13.5	11.1	10.6	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	89.96	77.43	70.87	66.99	45.95	M	M
2003	10.36	18.97	29.49	43.54	50.37	64.48	75.36	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	32.00	M	32.00	M	32.00	M	M
2006	M	M	M	M	M	M	M	M	M	M	36.73	32.82
2007	25.01	17.96	38.66	45.01	57.51	68.20	76.14	73.66	66.04	56.22	37.55	23.47
2008	21.52	21.67	31.96	46.46	57.00	68.93	74.23	69.15	61.94	49.84	32.01	18.12
2009	15.30	27.10	32.65	45.83	57.60	67.09	70.72	70.10	68.07	47.07	44.11	22.32
2010	22.30	28.76	44.50	50.91	57.37	65.11	77.59	75.07	60.33	56.34	39.63	23.27
2011	16.97	26.32	33.77	46.08	52.98	55.33	78.99	77.08	64.99	55.24	40.37	32.06
2012	27.02	32.91	42.15	46.89	63.43	72.27	81.89	76.91	66.31	48.12	38.79	29.13
2013	24.16	24.97	32.64	42.83	50.33	53.76	76.69	77.55	67.66	52.99	37.33	19.99
2014	17.32	16.92	30.90	42.43	54.67	61.74	75.80	69.59	65.77	52.80	33.28	29.34
2015	24.31	17.92	42.69	49.55	55.89	62.36	79.70	59.58	65.78	M	M	M
2016	M	M	36.42	39.93	57.77	67.37	74.78	77.21	67.16	56.46	49.39	31.90
2017	33.91	37.05	37.14	47.56	54.14	70.29	75.76	71.46	68.67	57.00	37.87	32.40
2018	31.36	32.79	-72.01	20.72	64.90	61.46	80.01	75.32	64.84	48.25	31.09	29.75
2019	28.28	27.31	35.75	45.90	55.88	63.84	78.47	74.48	63.46	50.95	33.10	27.80
2020	26.51	28.64	37.53	43.51	54.98	67.93	78.32	75.11	64.71	47.22	44.70	30.25
2021	29.43	26.90	43.54	48.43	60.72	74.74	77.19	76.51	65.49	54.41	41.29	30.28
2022	17.45	19.98	36.43	39.71	56.74	71.16	74.27	73.52	67.36	56.65	40.75	25.42
2023	25.97	28.37	33.77	44.51	55.18	64.41	73.93	73.89	67.99	51.97	36.67	37.06
2024	25.18	35.74	40.05	47.85	58.47	68.56	77.44	73.12	72.36	60.47	42.40	28.78
2025	20.84	23.49	39.40	44.84	58.56	66.10	73.41	M	M	M	M	M
NCEI Climatology	22.50	27.05	36.09	46.00	57.40	67.00	76.09	74.80	66.60	53.00	39.10	27.31

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	82.58	64.31	58.60	53.04	35.85	M	M
2003	-2.02	5.31	16.86	32.49	40.75	54.75	59.77	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	32.00	M	32.00	M	32.00	M	M
2006	M	M	M	M	M	M	M	M	M	M	30.99	22.87
2007	12.19	5.07	24.47	33.26	43.14	52.60	60.84	60.65	53.34	44.66	28.26	11.40
2008	6.87	6.28	20.57	34.48	42.03	53.47	61.15	61.16	51.15	41.58	23.31	2.96
2009	-1.68	13.89	23.39	34.51	43.93	53.47	56.92	57.39	57.91	42.05	35.97	12.48
2010	10.30	14.50	31.76	38.76	45.45	53.40	64.93	62.39	49.29	43.59	28.26	11.67
2011	5.91	11.67	22.90	34.43	40.62	47.51	63.83	63.01	53.86	44.64	30.72	19.59
2012	13.52	20.87	28.24	36.76	46.26	55.20	66.97	61.90	50.91	38.68	28.13	15.90
2013	7.42	11.67	18.96	30.60	37.61	43.92	51.84	59.71	50.70	37.74	25.16	0.99
2014	-4.16	-0.05	13.60	30.00	38.24	47.79	51.93	60.35	51.91	40.56	19.31	20.04
2015	9.56	3.65	26.01	35.56	41.76	50.41	67.03	50.29	50.33	M	M	M
2016	M	M	30.08	32.79	42.96	53.31	56.32	61.28	55.54	43.49	33.68	22.51
2017	28.85	16.82	21.10	-34.53	-205.28	-232.67	-227.30	-140.87	-101.97	-270.06	-284.80	-282.81
2018	-240.61	-108.17	-381.11	-548.73	-60.20	39.17	51.08	63.95	52.49	37.94	20.80	19.28
2019	4.50	5.20	19.16	34.09	39.45	50.15	63.53	60.25	50.47	40.24	23.57	14.60
2020	13.55	10.02	27.50	31.47	33.54	43.12	64.08	62.06	50.76	36.16	29.74	17.24
2021	15.17	4.12	28.74	34.84	39.70	55.89	62.20	62.00	46.38	35.33	27.34	14.63
2022	-0.70	1.76	20.23	29.40	41.71	51.30	58.04	60.31	51.69	39.86	26.80	11.50
2023	15.57	11.74	20.56	32.71	42.28	51.37	59.74	61.70	59.55	45.36	31.52	28.39
2024	15.77	22.12	25.91	36.82	44.70	54.28	63.88	62.38	58.60	45.49	33.30	17.68
2025	4.50	6.87	25.10	33.77	42.47	52.45	59.94	M	M	M	M	M
NCEI Climatology	5.79	9.28	21.00	31.80	40.90	49.50	58.00	57.99	50.11	38.61	25.60	13.10

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	86.27	70.87	64.74	60.01	40.90	M	M
2003	4.17	12.14	23.17	38.01	45.56	59.61	67.57	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	32.00	M	32.00	M	32.00	M	M
2006	M	M	M	M	M	M	M	M	M	M	33.86	27.84
2007	18.60	11.51	31.57	39.13	50.33	60.40	68.49	67.15	59.69	50.44	32.90	17.43
2008	14.19	13.97	26.27	40.47	49.52	61.20	67.69	65.15	56.54	45.71	27.66	10.54
2009	6.81	20.49	28.02	40.17	50.77	60.28	63.82	63.74	62.99	44.56	40.04	17.40
2010	16.30	21.63	38.13	44.83	51.41	59.26	71.26	68.73	54.81	49.97	33.94	17.47
2011	11.44	18.99	28.33	40.25	46.80	51.42	71.41	70.04	59.42	49.94	35.54	25.82
2012	20.27	26.89	35.20	41.82	54.84	63.73	74.43	69.40	58.61	43.40	33.46	22.52
2013	15.79	18.32	25.80	36.72	43.97	48.84	64.26	68.63	59.18	45.37	31.25	10.49
2014	6.58	8.43	22.25	36.21	46.46	54.76	63.87	64.97	58.84	46.68	26.30	24.69
2015	16.94	10.79	34.35	42.56	48.82	56.38	73.36	54.93	58.06	M	M	M
2016	M	M	33.25	36.36	50.36	60.34	65.55	69.24	61.35	49.98	41.54	27.20
2017	31.38	26.93	29.12	6.52	-75.57	-81.19	-75.77	-34.70	-16.65	-106.53	-123.46	-125.20
2018	-104.63	-37.69	-226.56	-264.00	2.35	50.31	65.55	69.64	58.67	43.10	25.95	24.52
2019	16.39	16.25	27.45	39.99	47.67	57.00	71.00	67.37	56.97	45.60	28.33	21.20
2020	20.03	19.33	32.51	37.49	44.26	55.53	71.20	68.59	57.73	41.69	37.22	23.75
2021	22.30	15.51	36.14	41.64	50.21	65.32	69.69	69.25	55.94	44.87	34.32	22.45
2022	8.38	10.87	28.33	34.55	49.22	61.23	66.15	66.92	59.52	48.26	33.78	18.46
2023	20.77	20.06	27.16	38.61	48.73	57.89	66.83	67.79	63.77	48.67	34.10	32.72
2024	20.47	28.93	32.98	42.34	51.59	61.42	70.66	67.75	65.48	52.98	37.85	23.23
2025	12.67	15.18	32.25	39.31	50.52	59.28	66.67	M	M	M	M	M
NCEI Climatology	14.15	18.17	28.55	38.90	49.15	58.25	67.05	66.40	58.35	45.80	32.35	20.21

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	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	63.2%	78.7%
2008	70.6%	68.6%	64.3%	66.5%	63.5%	68.6%	65.1%	74.9%	77.5%	72.4%	73.0%	73.3%
2009	67.3%	69.1%	70.1%	65.2%	59.5%	71.2%	69.2%	76.3%	81.0%	72.9%	78.2%	71.4%
2010	71.4%	60.3%	69.3%	64.1%	72.6%	80.2%	70.6%	76.5%	73.7%	65.7%	72.5%	75.4%
2011	72.6%	66.1%	69.7%	71.9%	75.8%	79.8%	71.7%	70.0%	72.8%	71.7%	75.5%	69.1%
2012	67.3%	65.8%	69.0%	70.5%	69.3%	71.5%	68.2%	66.4%	61.7%	75.1%	74.6%	76.1%
2013	69.9%	69.3%	65.8%	66.6%	76.7%	73.1%	72.6%	68.9%	77.9%	74.1%	66.9%	75.0%
2014	63.3%	63.9%	63.7%	70.1%	71.0%	79.5%	69.4%	82.8%	73.2%	70.9%	69.2%	75.2%
2015	66.0%	62.5%	59.1%	60.1%	72.5%	75.3%	71.7%	85.6%	65.6%	M	M	M
2016	M	M	81.6%	73.3%	67.8%	72.6%	74.5%	71.8%	77.6%	72.0%	74.5%	82.2%
2017	91.0%	67.5%	64.3%	73.0%	71.8%	70.2%	73.7%	75.0%	77.4%	68.8%	71.4%	72.1%
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	70.7%	62.9%	73.5%	71.8%	77.0%	76.4%	M	M	M	M	M