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 (USW00026615) 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
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	0.00	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	0.01	0.00	0.01	0.01	0.66	0.00	0.00	0.00	0.00	0.00	0.00
2011	0.00	0.00	0.00	0.00	0.46	0.51	1.76	1.85	1.13	0.46	0.04	0.00
2012	0.00	0.06	0.00	0.00	0.02	1.56	1.44	2.69	0.97	0.17	0.00	0.00
2013	0.03	0.00	0.00	0.00	0.17	1.05	1.07	2.02	1.34	0.73	0.33	0.61
2014	0.12	0.08	M	0.22	0.59	0.31	M	0.62	0.71	0.06	0.11	0.01
2015	M	0.06	0.09	0.02	0.82	0.53	0.63	1.53	1.73	0.19	M	M
2016	0.01	M	0.02	0.05	0.55	0.44	2.63	1.31	2.05	0.20	0.05	0.11
2017	0.05	0.00	M	0.11	0.52	0.93	1.17	3.61	1.16	2.08	0.16	0.00
2018	0.00	0.00	0.00	0.40	0.57	0.81	M	M	2.03	0.63	0.00	0.04
2019	0.00	0.03	0.14	0.22	1.67	0.58	0.28	0.11	0.21	0.05	0.05	0.06
2020	0.01	0.00	0.24	1.22	0.44	0.00	0.00	0.00	M	0.09	0.20	0.01
2021	0.10	0.03	0.00	0.00	0.26	0.83	0.52	0.00	M	0.00	0.00	0.02
2022	0.00	0.03	0.00	0.00	0.00	0.00	M	M	0.00	0.20	0.01	0.01
2023	0.29	0.00	0.11	0.00	0.94	0.19	2.62	M	0.11	0.44	0.18	0.00
2024	0.00	0.01	0.11	0.01	0.32	0.21	3.05	4.05	1.16	0.46	0.49	0.06
2025	0.06	0.10	0.14	0.44	0.33	2.49	2.68	5.03	1.33	1.32	M	M
NCEI Climatology	0.77	0.91	0.74	0.79	1.21	1.77	2.57	3.36	2.89	1.84	1.80	1.06

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	M	8.6	9.6	9.7	2.0	1.2	11.9	13.9	10.5
2007	12.5	12.7	9.4	9.7	7.5	8.2	8.2	8.6	10.3	9.6	12.4	14.5
2008	10.7	10.5	9.6	10.4	1.0	8.3	11.4	8.5	10.7	12.1	7.5	14.5
2009	10.9	14.6	17.2	10.5	8.9	10.1	10.1	9.4	M	M	12.5	11.5
2010	13.5	8.8	9.3	8.8	6.8	1.2	8.9	6.6	0.0	0.0	0.0	0.0
2011	9.9	13.1	12.7	10.9	10.0	6.3	6.8	8.9	10.1	10.0	11.5	14.2
2012	6.7	11.8	9.1	5.9	6.5	5.5	4.5	2.3	12.7	10.7	13.2	11.4
2013	16.7	15.1	12.2	9.6	10.0	8.7	9.9	9.0	10.1	12.5	13.3	14.0
2014	14.1	12.7	12.0	7.6	8.8	8.4	10.0	7.5	10.3	13.7	12.6	14.3
2015	10.7	13.8	9.9	8.9	6.2	2.7	8.9	12.0	11.4	12.6	M	17.5
2016	18.0	10.8	13.1	8.9	10.3	11.0	11.0	9.7	12.2	14.2	6.9	11.5
2017	12.1	14.4	5.9	7.4	8.5	8.6	9.6	11.1	11.1	11.2	14.0	14.9
2018	12.3	14.9	14.5	14.0	10.4	11.0	M	M	10.1	13.2	15.4	9.0
2019	14.9	17.7	11.8	10.8	10.0	8.7	10.1	10.3	13.3	11.2	17.6	13.6
2020	11.6	14.4	14.6	11.5	7.9	9.2	8.7	8.0	11.8	10.0	13.1	15.2
2021	11.9	15.3	15.0	16.8	9.6	8.4	10.6	11.5	10.1	11.3	10.1	16.0
2022	13.2	15.7	15.5	11.1	10.3	9.9	11.0	9.7	10.6	11.7	13.1	15.9
2023	12.0	12.4	13.7	10.7	8.7	7.8	8.9	M	7.4	8.0	12.7	13.7
2024	16.3	14.3	12.3	8.8	10.6	8.8	10.9	13.2	10.5	13.9	12.4	17.3
2025	15.9	14.1	8.9	10.2	8.9	9.9	9.9	11.3	10.6	12.4	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
2006	M	M	M	M	31.29	46.15	52.86	54.97	51.62	40.81	24.51	13.78
2007	14.62	18.75	6.05	32.89	42.76	54.53	61.79	62.01	53.21	33.55	28.12	18.71
2008	9.27	4.46	17.27	25.17	42.24	53.67	57.36	56.17	49.64	27.03	14.98	18.17
2009	7.28	14.96	14.56	25.65	40.15	53.97	62.62	57.95	M	M	14.00	20.94
2010	7.64	13.67	8.03	27.32	42.59	51.07	59.69	56.50	51.38	35.43	26.36	8.77
2011	18.12	15.22	19.92	25.34	46.49	54.47	56.13	54.63	49.49	34.51	17.45	16.37
2012	-10.62	15.75	5.76	26.73	38.06	51.54	56.41	55.71	45.16	34.96	16.38	9.22
2013	18.43	10.08	16.90	27.08	37.89	57.88	59.36	58.68	45.60	41.01	25.25	19.84
2014	27.55	16.63	17.47	34.46	43.06	52.26	59.01	62.32	52.03	33.53	30.29	21.62
2015	14.77	20.18	15.54	29.25	50.73	57.57	60.59	57.80	63.50	M	M	20.55
2016	25.55	24.66	17.45	25.45	34.08	53.50	60.63	61.92	52.31	43.27	20.48	19.19
2017	15.02	12.75	15.65	39.63	46.75	60.23	63.28	57.35	49.72	39.79	30.37	30.46
2018	13.56	26.75	27.39	35.46	45.16	57.15	M	M	53.50	45.09	30.80	8.46
2019	17.13	30.52	34.18	33.61	49.80	59.90	63.55	58.53	54.04	37.95	25.97	16.07
2020	2.35	6.68	20.47	34.01	52.03	58.91	57.43	59.36	49.42	40.42	29.61	17.73
2021	15.85	7.14	20.92	23.53	50.17	55.74	58.06	55.49	47.68	35.72	12.65	19.17
2022	8.99	12.96	24.21	35.03	45.15	59.92	59.42	54.58	50.91	36.81	27.87	19.87
2023	15.59	3.72	25.51	22.22	44.83	54.69	57.39	M	46.47	38.28	28.72	11.96
2024	11.10	20.43	21.88	40.15	42.10	58.94	58.42	54.77	49.77	36.72	24.67	20.86
2025	22.10	23.21	20.84	30.60	44.48	56.53	64.71	57.13	M	M	M	M
NCEI Climatology	12.70	20.13	21.99	36.90	52.00	62.10	63.60	60.50	52.71	37.91	24.31	16.30

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	M	10.17	5.18	32.02	45.08	41.89	32.87	15.37	4.77
2007	1.38	0.82	-7.06	20.65	29.51	42.39	49.87	51.10	42.71	26.35	20.20	7.48
2008	-3.25	-6.82	4.87	12.20	30.52	40.71	45.81	43.44	40.34	18.90	5.27	8.61
2009	-4.79	-2.30	3.11	12.80	28.22	42.43	50.98	46.90	M	M	2.30	10.02
2010	-1.73	1.38	-7.37	15.17	30.00	37.22	52.49	49.13	42.68	28.92	20.00	0.18
2011	9.94	2.56	10.86	14.90	32.30	43.77	46.32	44.10	41.39	28.50	8.24	5.09
2012	-20.20	4.14	-7.30	13.82	24.67	38.44	45.96	46.91	36.92	29.11	8.98	-2.54
2013	8.96	-2.94	10.02	17.09	25.04	43.20	48.85	49.36	37.69	33.20	15.75	10.73
2014	18.06	7.15	5.08	20.02	31.41	40.85	47.71	49.89	42.12	27.74	22.11	12.53
2015	5.09	7.39	-21.15	-5.36	25.87	44.08	49.90	3.40	13.23	M	M	15.47
2016	18.86	13.28	8.00	-14.52	22.55	41.20	50.12	53.04	42.85	32.88	12.10	8.97
2017	5.65	0.58	-3.95	23.92	32.01	47.79	51.06	48.29	40.74	32.15	20.55	20.79
2018	3.27	15.11	16.09	24.14	34.52	44.62	M	M	44.57	37.11	24.51	-3.19
2019	7.98	22.92	24.38	23.89	38.84	49.10	53.51	50.64	46.67	29.95	17.97	6.59
2020	-4.89	-8.29	8.53	21.88	35.05	45.46	48.71	49.75	40.98	31.88	20.99	7.56
2021	5.80	-4.51	3.90	7.63	33.29	43.60	49.15	47.05	39.22	27.87	4.49	7.42
2022	-1.00	3.15	13.04	22.58	31.80	45.16	49.11	46.23	42.31	28.70	19.73	11.64
2023	6.79	-8.30	9.61	5.91	31.36	40.88	48.11	M	39.00	29.65	20.03	3.62
2024	2.77	9.32	8.45	28.08	31.49	44.27	48.16	46.29	39.85	28.52	16.70	14.14
2025	11.77	12.36	4.23	16.47	31.81	44.00	51.71	48.95	M	M	M	M
NCEI Climatology	0.90	6.50	7.00	21.21	34.10	44.50	49.01	47.31	39.41	26.40	12.80	3.71

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	M	20.73	25.67	42.44	50.03	46.75	36.84	19.94	9.28
2007	8.00	9.78	-0.50	26.77	36.14	48.46	55.83	56.55	47.96	29.95	24.16	13.10
2008	3.01	-1.18	11.07	18.69	36.38	47.19	51.59	49.81	44.99	22.97	10.13	13.39
2009	1.25	6.33	8.84	19.23	34.18	48.20	56.80	52.43	M	M	8.15	15.48
2010	2.95	7.52	0.33	21.25	36.29	44.15	56.09	52.82	47.03	32.17	23.18	4.48
2011	14.03	8.89	15.39	20.12	39.40	49.12	51.22	49.36	45.44	31.51	12.85	10.73
2012	-15.41	9.95	-0.77	20.28	31.36	44.99	51.18	51.31	41.04	32.03	12.68	3.34
2013	13.69	3.57	13.46	22.08	31.47	50.54	54.11	54.02	41.64	37.10	20.50	15.28
2014	22.81	11.89	11.27	27.24	37.23	46.56	53.36	56.11	47.08	30.64	26.20	17.08
2015	9.93	13.78	-2.81	11.95	38.30	50.82	55.24	30.60	38.37	M	M	18.01
2016	22.20	18.97	12.72	5.46	28.32	47.35	55.38	57.48	47.58	38.08	16.29	14.08
2017	10.33	6.66	5.85	31.78	39.38	54.01	57.17	52.82	45.23	35.97	25.46	25.63
2018	8.42	20.93	21.74	29.80	39.84	50.89	M	M	49.04	41.10	27.65	2.63
2019	12.55	26.72	29.28	28.75	44.32	54.50	58.53	54.58	50.36	33.95	21.97	11.33
2020	-1.27	-0.80	14.50	27.94	43.54	52.19	53.07	54.56	45.20	36.15	25.30	12.65
2021	10.82	1.32	12.41	15.58	41.73	49.67	53.61	51.27	43.45	31.79	8.57	13.30
2022	4.00	8.05	18.62	28.80	38.47	52.54	54.26	50.41	46.61	32.76	23.80	15.75
2023	11.19	-2.29	17.56	14.07	38.10	47.79	52.75	M	42.73	33.96	24.38	7.79
2024	6.94	14.88	15.17	34.11	36.79	51.61	53.29	50.53	44.81	32.62	20.69	17.50
2025	16.94	17.79	12.53	23.53	38.15	50.27	58.21	53.04	M	M	M	M
NCEI Climatology	6.80	13.32	14.50	29.06	43.05	53.30	56.30	53.90	46.06	32.15	18.56	10.00

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
2006	M	M	M	M	85.3%	87.2%	85.3%	83.4%	83.9%	83.5%	80.1%	82.6%
2007	81.1%	74.5%	74.0%	84.9%	78.2%	81.5%	81.6%	81.9%	80.9%	82.8%	82.8%	78.2%
2008	79.2%	77.4%	82.3%	80.4%	80.4%	80.5%	78.2%	80.2%	80.6%	76.6%	83.6%	79.8%
2009	78.0%	81.4%	78.2%	80.9%	81.4%	78.4%	76.4%	82.4%	M	M	82.6%	78.2%
2010	79.3%	80.6%	75.8%	83.2%	81.9%	79.6%	77.8%	83.0%	76.2%	79.9%	82.3%	81.9%
2011	78.2%	81.9%	76.0%	82.7%	73.4%	76.3%	82.3%	82.6%	81.7%	81.7%	76.9%	81.9%
2012	75.4%	79.2%	79.5%	83.9%	80.5%	82.5%	81.5%	83.0%	79.5%	76.5%	75.9%	79.1%
2013	78.8%	80.6%	77.8%	83.3%	74.1%	77.9%	84.4%	82.5%	80.9%	83.1%	79.9%	80.8%
2014	82.3%	77.1%	78.0%	78.8%	83.0%	80.6%	80.3%	80.5%	77.1%	76.8%	77.9%	83.4%
2015	78.5%	79.3%	83.3%	80.8%	77.5%	74.4%	86.6%	85.1%	78.6%	M	M	79.0%
2016	77.3%	81.6%	81.0%	76.0%	59.9%	75.9%	84.8%	83.7%	81.6%	70.9%	80.8%	82.8%
2017	82.7%	80.9%	77.8%	77.9%	77.4%	77.1%	81.9%	80.9%	85.0%	87.0%	82.7%	85.2%
2018	80.3%	80.0%	82.7%	79.1%	80.1%	76.9%	M	M	85.3%	81.0%	82.6%	84.7%
2019	82.7%	82.4%	83.4%	77.1%	81.1%	79.9%	81.6%	84.7%	80.0%	81.0%	81.4%	81.3%
2020	78.9%	82.0%	83.2%	84.9%	73.9%	80.5%	85.6%	84.6%	82.4%	80.9%	85.2%	80.8%
2021	85.6%	79.8%	81.0%	88.9%	74.5%	79.9%	84.5%	86.5%	84.1%	82.8%	81.9%	85.7%
2022	80.8%	79.9%	78.6%	74.5%	79.2%	73.9%	81.6%	88.7%	86.0%	85.6%	84.9%	78.4%
2023	87.4%	83.6%	81.8%	78.0%	81.0%	78.5%	86.5%	M	75.6%	84.5%	86.5%	84.6%
2024	79.9%	84.8%	81.8%	86.4%	79.7%	77.1%	86.3%	88.0%	85.8%	83.3%	85.3%	82.2%
2025	84.1%	83.3%	85.3%	88.2%	81.8%	81.7%	73.8%	87.0%	M	M	M	M