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 (USW00025630) 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
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	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	0.05	0.00	0.14	0.20	1.29	1.52	0.06	0.00	0.00	0.00	0.47
2011	0.79	0.37	0.05	0.39	0.76	1.68	2.82	1.38	2.42	2.27	1.49	2.52
2012	0.00	0.37	0.55	0.62	0.37	1.49	3.83	1.80	2.31	0.30	1.48	4.10
2013	0.38	2.15	0.04	0.84	0.01	0.07	0.35	1.41	2.25	1.77	0.91	0.88
2014	0.62	0.14	0.02	0.01	M	0.25	0.04	2.87	3.00	2.32	0.61	0.86
2015	0.07	M	M	M	M	M	0.12	M	3.59	1.10	M	M
2016	0.02	M	M	0.16	2.34	1.39	1.32	2.23	2.28	2.71	2.35	0.99
2017	0.22	0.07	0.00	0.30	1.13	0.75	1.71	3.88	3.22	2.13	1.44	1.65
2018	1.18	0.76	0.62	1.62	2.01	1.24	2.39	2.82	1.76	3.32	2.45	2.14
2019	0.63	1.42	0.47	0.57	1.85	0.56	0.56	0.41	0.00	0.00	0.00	0.45
2020	3.47	0.01	0.00	M	0.03	0.00	M	M	M	M	M	M
2021	0.00	M	M	M	M	0.00	0.11	1.30	0.88	0.15	0.01	0.29
2022	0.03	0.00	0.00	0.00	0.00	0.01	0.19	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	0.19	1.71
2025	1.99	0.71	0.49	0.82	1.93	1.23	4.20	1.83	3.47	3.91	1.78	0.51
2026	0.38	0.46	0.04	0.56	0.51	0.04	0.69	1.93	0.47	M	M	M
NCEI Climatology	3.99	4.56	2.41	2.64	4.01	3.10	2.93	3.89	4.95	4.97	5.09	6.51

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	21.4	17.3	17.8	11.5
2006	13.0	0.2	6.8	M	M	M	M	M	M	M	0.0	17.8
2007	17.1	13.6	15.9	11.8	9.9	10.4	2.9	8.0	17.3	16.4	18.5	17.5
2008	18.3	14.7	15.1	16.6	14.7	10.0	12.0	8.9	12.0	5.4	5.0	14.8
2009	14.8	15.6	18.4	16.3	10.8	10.4	11.8	13.2	11.3	0.0	19.9	15.5
2010	13.7	11.5	12.1	14.0	11.7	13.5	7.6	0.0	8.2	15.7	16.1	21.0
2011	15.1	17.8	13.5	17.4	13.0	15.1	11.1	12.1	16.3	8.6	0.0	0.0
2012	0.0	7.3	12.9	8.5	0.4	3.2	11.7	11.6	16.4	14.0	7.6	17.9
2013	15.5	13.5	13.7	15.4	13.4	11.2	2.9	11.5	15.7	1.2	17.3	18.6
2014	15.8	16.7	13.9	12.5	7.4	11.5	9.4	10.1	14.6	17.4	13.9	10.6
2015	12.9	13.6	13.7	15.8	3.1	8.8	12.7	12.4	16.5	14.1	19.2	18.3
2016	13.8	13.2	13.0	13.5	13.3	11.6	11.0	11.1	14.8	17.8	17.5	17.0
2017	14.5	13.5	17.0	13.8	13.4	10.0	11.4	14.7	16.9	17.5	18.6	4.1
2018	0.0	0.0	0.0	10.1	14.4	10.8	14.6	15.7	12.6	15.9	15.9	18.3
2019	14.8	18.4	14.4	14.1	12.4	11.1	9.5	9.7	17.1	3.1	16.0	18.7
2020	15.7	16.1	14.9	10.7	10.0	10.3	9.4	11.7	15.2	14.1	20.8	16.6
2021	15.9	14.0	16.4	13.6	14.1	13.0	12.1	13.7	16.2	21.9	19.4	16.7
2022	16.4	14.2	14.6	17.3	11.5	11.9	12.2	14.3	15.2	18.2	16.9	16.2
2023	13.6	15.9	18.0	15.8	16.0	13.1	14.4	17.0	15.0	15.4	16.1	19.5
2024	17.8	16.5	16.1	15.2	15.0	12.3	10.8	15.5	16.0	17.6	17.5	13.9
2025	17.0	12.1	16.8	16.1	16.1	13.8	8.7	13.1	16.1	17.6	14.4	18.1
2026	15.5	14.2	14.5	13.7	16.0	12.7	13.8	10.9	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
2005	M	M	M	M	M	M	M	M	46.40	43.48	35.91	35.31
2006	25.50	33.25	33.67	36.11	42.69	47.77	54.21	54.04	51.00	46.59	35.77	30.77
2007	30.34	34.37	22.14	35.53	39.26	46.15	51.01	57.04	52.65	43.78	39.26	34.53
2008	29.60	25.01	26.91	34.83	43.25	45.90	50.53	54.35	51.51	42.80	35.46	35.88
2009	27.99	33.30	28.88	35.97	41.31	50.46	55.25	53.87	51.54	46.26	40.02	36.37
2010	31.33	30.65	25.78	33.76	39.02	48.75	52.28	54.87	53.48	43.25	11.56	M
2011	M	M	-73.80	M	45.89	48.52	52.50	53.81	50.38	45.93	37.74	34.29
2012	21.80	31.52	22.41	33.61	37.98	44.95	51.41	55.31	49.95	44.28	34.65	31.22
2013	35.27	31.33	32.34	32.83	40.98	50.59	55.42	54.43	51.35	47.82	40.34	38.16
2014	39.30	32.51	34.75	41.18	44.81	49.71	57.21	59.81	55.93	43.80	42.55	39.03
2015	34.83	37.34	37.62	39.28	48.24	51.83	56.96	56.65	52.86	48.53	41.13	37.87
2016	37.26	38.62	37.70	44.66	48.23	54.12	59.40	60.19	57.16	50.36	40.57	37.03
2017	32.52	31.06	28.49	39.35	45.44	51.11	55.20	55.60	51.94	46.82	42.43	38.85
2018	34.33	39.18	38.99	41.58	44.82	50.69	55.94	57.34	55.14	49.59	43.90	35.33
2019	35.83	40.81	39.73	41.95	47.19	52.43	59.00	61.85	55.73	51.30	35.40	35.61
2020	26.65	34.26	36.07	42.98	48.90	51.87	57.94	57.12	52.52	46.54	40.30	34.44
2021	33.70	38.16	36.07	41.35	46.55	51.21	54.75	55.79	50.67	43.22	30.03	35.30
2022	28.64	35.50	33.20	37.17	41.71	49.90	53.63	52.69	50.32	44.67	40.14	37.75
2023	34.32	35.04	34.36	34.17	40.90	48.99	51.54	54.50	50.35	45.84	39.89	31.14
2024	29.83	33.07	30.40	36.90	40.99	47.67	51.56	54.61	49.86	43.10	38.55	37.40
2025	37.30	37.26	31.99	38.08	42.17	45.36	53.45	56.54	51.33	47.17	39.09	34.21
2026	27.95	31.07	19.52	35.30	38.24	43.15	M	57.24	57.20	M	M	M
NCEI Climatology	34.41	35.09	34.70	39.50	45.60	51.59	56.10	57.59	53.80	45.50	40.20	36.39

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	44.60	38.07	28.79	29.79
2006	19.92	25.31	26.75	28.13	34.13	41.19	47.08	48.40	45.28	39.44	29.56	23.46
2007	23.09	28.00	11.40	29.18	33.27	39.90	45.83	50.28	47.34	37.63	26.61	28.85
2008	23.39	16.59	19.82	28.05	35.39	40.35	44.34	46.79	46.45	36.11	28.66	29.85
2009	20.21	22.74	20.30	28.73	34.22	42.86	47.54	48.43	46.21	40.79	33.53	29.81
2010	25.22	23.92	15.50	25.92	32.61	40.68	44.94	47.85	46.73	36.62	-3.49	M
2011	M	M	-73.84	M	39.29	43.18	45.46	47.78	45.73	39.72	30.52	27.56
2012	11.27	22.13	15.04	26.52	31.79	38.85	45.28	48.11	44.08	38.77	28.18	24.19
2013	28.32	23.31	24.82	27.46	29.97	42.47	47.54	49.66	45.34	41.26	33.36	32.12
2014	33.20	25.39	28.04	33.54	38.01	42.92	49.92	53.01	49.57	37.12	35.59	32.56
2015	27.89	29.15	30.49	32.16	41.09	45.06	50.20	50.79	46.70	42.32	33.99	32.01
2016	32.19	32.98	31.05	37.82	41.31	46.65	52.26	54.10	49.63	43.44	34.00	30.07
2017	24.14	22.80	20.35	31.83	37.18	43.90	48.04	50.06	46.59	39.87	35.65	31.55
2018	27.25	31.38	31.31	34.20	38.17	44.03	49.58	50.31	48.61	42.88	37.55	27.30
2019	30.27	34.82	33.43	35.11	40.73	46.46	51.42	54.55	49.51	47.00	29.38	29.28
2020	18.97	25.39	27.27	35.05	42.21	45.96	51.02	51.47	45.99	40.47	33.56	28.29
2021	27.66	31.23	27.45	33.71	39.81	44.73	48.33	49.88	45.35	37.26	24.21	27.76
2022	20.92	28.50	26.99	31.21	35.33	43.05	47.07	48.15	45.25	38.32	33.74	31.68
2023	27.80	26.45	28.11	27.54	34.73	41.98	45.58	47.75	44.72	40.76	33.71	24.89
2024	23.26	26.41	23.94	29.86	34.08	41.22	45.20	47.64	45.57	36.86	32.47	31.80
2025	31.04	31.29	26.31	30.72	36.10	40.83	47.47	50.90	45.84	40.96	32.37	27.66
2026	20.37	23.50	9.03	27.88	32.11	36.29	M	50.60	51.80	M	M	M
NCEI Climatology	27.70	28.76	27.10	32.09	37.00	42.60	47.40	48.40	43.90	38.10	32.99	29.60

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	45.50	40.78	32.35	32.55
2006	22.71	29.28	30.21	32.12	38.41	44.48	50.65	51.22	48.14	43.01	32.67	27.12
2007	26.71	31.18	16.77	32.36	36.27	43.03	48.42	53.66	49.99	40.70	32.94	31.69
2008	26.50	20.80	23.37	31.44	39.32	43.13	47.43	50.57	48.98	39.45	32.06	32.86
2009	24.10	28.02	24.59	32.35	37.76	46.66	51.40	51.15	48.88	43.53	36.78	33.09
2010	28.28	27.28	20.64	29.84	35.82	44.72	48.61	51.36	50.11	39.94	4.03	M
2011	M	M	-73.82	M	42.59	45.85	48.98	50.80	48.06	42.83	34.13	30.93
2012	16.53	26.83	18.73	30.06	34.88	41.90	48.34	51.71	47.01	41.52	31.42	27.70
2013	31.80	27.32	28.58	30.14	35.48	46.53	51.48	52.04	48.34	44.54	36.85	35.14
2014	36.25	28.95	31.40	37.36	41.41	46.32	53.57	56.41	52.75	40.46	39.07	35.79
2015	31.36	33.24	34.06	35.72	44.67	48.45	53.58	53.72	49.78	45.42	37.56	34.94
2016	34.73	35.80	34.37	41.24	44.77	50.39	55.83	57.14	53.40	46.90	37.29	33.55
2017	28.33	26.93	24.42	35.59	41.31	47.50	51.62	52.83	49.27	43.35	39.04	35.20
2018	30.79	35.28	35.15	37.89	41.50	47.36	52.76	53.83	51.88	46.23	40.73	31.31
2019	33.05	37.82	36.58	38.53	43.96	49.44	55.21	58.20	52.62	49.15	32.39	32.45
2020	22.81	29.82	31.67	39.01	45.55	48.91	54.48	54.29	49.26	43.50	36.93	31.36
2021	30.68	34.70	31.76	37.53	43.18	47.97	51.54	52.84	48.01	40.24	27.12	31.53
2022	24.78	32.00	30.10	34.19	38.52	46.48	50.35	50.42	47.78	41.50	36.94	34.71
2023	31.06	30.74	31.24	30.86	37.81	45.49	48.56	51.12	47.54	43.30	36.80	28.01
2024	26.55	29.74	27.17	33.38	37.53	44.44	48.38	51.13	47.71	39.98	35.51	34.60
2025	34.17	34.27	29.15	34.40	39.14	43.09	50.46	53.72	48.59	44.07	35.73	30.94
2026	24.16	27.28	14.27	31.59	35.18	39.72	M	53.92	54.50	M	M	M
NCEI Climatology	31.05	31.92	30.90	35.80	41.30	47.10	51.75	53.00	48.85	41.80	36.60	33.00

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
2005	M	M	M	M	M	M	M	M	72.1%	78.7%	80.3%	87.4%
2006	84.0%	83.2%	80.1%	M	M	M	M	M	M	M	80.3%	75.6%
2007	81.6%	84.5%	78.5%	89.0%	90.2%	90.0%	91.7%	88.3%	83.0%	79.8%	83.3%	78.7%
2008	80.0%	85.2%	81.5%	81.9%	81.1%	90.0%	89.3%	89.7%	89.2%	79.9%	88.9%	83.7%
2009	84.4%	83.6%	81.5%	84.2%	86.5%	83.7%	87.5%	88.0%	86.0%	84.8%	79.6%	86.8%
2010	89.3%	88.2%	84.0%	85.8%	90.0%	91.6%	90.9%	89.7%	83.2%	82.9%	80.3%	M
2011	M	M	M	M	95.7%	97.2%	98.9%	96.8%	96.0%	88.9%	85.6%	89.7%
2012	87.8%	95.4%	89.7%	97.7%	94.6%	97.2%	98.1%	96.1%	90.2%	86.5%	90.0%	88.8%
2013	88.6%	86.7%	82.7%	81.1%	74.9%	85.4%	91.8%	94.9%	86.3%	84.3%	85.4%	86.0%
2014	91.5%	88.1%	87.7%	90.4%	96.3%	95.0%	96.8%	94.7%	82.8%	80.8%	86.4%	89.6%
2015	90.1%	90.5%	89.0%	88.7%	96.5%	99.7%	99.9%	98.5%	83.6%	84.5%	83.9%	87.0%
2016	91.5%	87.9%	83.1%	83.3%	85.0%	87.5%	89.5%	89.3%	81.0%	81.0%	82.4%	83.9%
2017	83.4%	84.5%	76.3%	86.9%	87.2%	87.6%	92.4%	88.8%	87.2%	85.2%	85.2%	87.1%
2018	81.5%	80.4%	81.4%	81.3%	83.4%	86.6%	87.2%	86.7%	86.5%	80.8%	83.9%	82.7%
2019	87.6%	84.4%	82.1%	77.9%	81.8%	89.4%	87.0%	84.4%	84.4%	87.0%	83.7%	84.5%
2020	82.8%	85.9%	85.3%	86.9%	82.8%	88.3%	89.9%	88.6%	83.8%	82.7%	81.5%	84.6%
2021	88.5%	87.2%	83.7%	84.2%	84.1%	87.9%	88.5%	86.4%	82.4%	82.7%	80.6%	88.8%
2022	88.5%	88.7%	86.9%	84.4%	87.0%	89.8%	90.8%	91.2%	87.5%	84.6%	86.7%	87.8%
2023	90.5%	86.5%	84.4%	82.2%	87.9%	87.8%	92.2%	82.3%	86.6%	85.2%	85.7%	86.2%
2024	87.5%	88.5%	84.5%	86.1%	87.1%	89.0%	92.6%	88.2%	90.6%	83.9%	86.7%	90.3%
2025	87.2%	89.0%	82.8%	86.3%	88.5%	88.1%	93.8%	88.1%	85.9%	84.3%	86.3%	87.0%
2026	87.6%	89.5%	83.4%	90.5%	87.2%	92.5%	M	92.1%	M	M	M	M