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 (USC00413668) 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
2003	M	M	M	M	0.00	5.63	0.03	1.61	2.14	0.47	1.40	0.12
2004	0.78	3.44	1.09	5.37	0.69	5.93	1.82	2.57	0.46	2.46	4.86	0.54
2005	1.41	1.33	0.73	0.03	2.00	1.01	1.97	1.60	0.80	2.57	0.00	0.12
2006	0.95	1.26	2.22	3.02	2.66	2.41	0.01	0.39	1.80	1.68	1.15	0.99
2007	1.31	0.32	3.73	2.15	4.86	8.75	1.32	1.35	3.66	0.27	0.64	0.33
2008	0.00	0.66	4.02	1.88	4.48	3.37	0.02	4.06	2.51	2.52	0.11	0.02
2009	0.32	0.28	1.33	1.69	1.09	2.10	3.43	0.44	4.14	4.02	0.01	0.82
2010	1.85	1.72	2.08	4.53	1.31	0.86	3.10	0.46	5.10	0.68	0.14	1.61
2011	0.72	0.40	0.01	1.31	1.36	0.93	0.00	2.37	0.46	5.79	0.93	1.39
2012	2.35	1.04	2.84	0.69	0.67	3.02	0.19	3.83	3.35	0.41	0.05	0.40
2013	0.71	0.01	0.29	1.14	1.01	4.45	2.72	1.27	2.41	1.82	0.58	1.50
2014	0.02	0.35	0.50	1.41	1.02	2.18	0.46	2.28	0.10	1.20	2.47	0.71
2015	1.77	0.96	1.61	3.26	9.44	3.71	2.78	0.05	0.31	3.26	4.12	1.36
2016	0.09	1.17	1.60	7.60	6.48	2.83	1.06	2.15	3.11	1.45	2.40	0.68
2017	1.99	4.71	0.53	1.76	1.05	4.39	2.13	2.05	4.07	0.88	0.26	0.35
2018	0.00	3.21	1.36	0.58	2.33	0.82	2.14	1.43	5.48	7.61	0.24	2.54
2019	0.90	0.66	1.14	3.46	8.75	3.18	1.57	0.72	0.17	0.42	2.79	0.16
2020	0.59	0.74	2.39	0.16	6.13	3.30	0.62	1.13	6.00	1.22	0.32	1.22
2021	0.34	M	0.00	0.00	M	M	0.00	M	M	0.02	0.12	0.01
2022	0.00	0.42	0.13	0.09	0.78	0.19	0.25	0.61	0.04	0.28	0.27	0.12
2023	0.07	0.23	0.22	0.07	0.89	0.49	0.06	0.01	0.37	0.61	0.03	0.16
2024	0.44	0.42	0.74	0.52	2.82	0.89	1.15	1.21	2.96	0.24	6.63	1.21
2025	0.34	0.05	0.36	0.59	0.27	1.70	0.99	M	M	M	M	M
NCEI Climatology	1.23	1.73	3.03	2.14	3.79	3.78	1.97	2.21	3.13	3.68	1.56	1.78

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	5.1	5.4	5.1	4.6	4.8	4.6	7.0	7.9
2004	6.8	7.5	7.3	7.1	7.5	5.6	5.3	4.7	4.5	4.9	6.3	6.0
2005	6.0	5.5	7.8	8.6	5.5	5.9	4.8	3.3	5.1	4.9	5.7	6.1
2006	7.2	7.0	8.3	7.6	6.7	5.2	5.7	5.1	5.4	5.9	7.1	5.7
2007	3.9	5.7	4.7	5.8	5.1	4.8	3.2	5.0	4.2	6.0	5.8	6.4
2008	7.6	7.9	9.1	9.0	7.3	7.6	5.1	4.3	4.0	5.6	6.0	7.9
2009	6.6	8.4	9.0	10.1	6.5	7.2	5.9	6.0	5.3	7.2	5.0	6.0
2010	6.4	6.2	8.7	8.8	5.9	7.1	5.3	4.7	5.5	4.2	8.5	7.0
2011	6.5	8.6	9.0	10.0	10.0	9.3	6.5	5.8	5.6	6.8	7.9	6.5
2012	7.2	8.2	8.0	7.5	10.8	6.7	5.9	5.4	5.5	6.4	6.2	7.2
2013	5.9	10.9	9.0	9.9	9.0	7.0	5.9	5.3	4.7	6.5	7.1	5.8
2014	7.9	7.5	9.0	9.5	8.4	8.6	6.0	5.5	5.6	6.3	7.7	6.8
2015	6.2	7.3	5.7	7.1	6.7	5.3	5.8	5.4	5.4	5.4	6.3	6.2
2016	5.5	6.8	8.3	6.1	6.6	4.7	6.7	4.9	4.5	5.5	4.9	5.6
2017	6.3	7.0	7.8	7.8	6.8	5.8	4.5	4.3	4.9	5.8	5.0	5.0
2018	6.1	6.3	7.4	8.1	6.5	7.6	4.3	5.3	4.3	4.4	4.3	5.3
2019	6.4	6.7	7.2	7.6	6.2	4.7	4.6	4.9	5.3	6.9	5.4	4.8
2020	6.1	7.0	6.2	7.1	6.3	5.9	5.3	4.8	4.1	5.9	5.4	5.7
2021	4.9	M	M	M	M	M	M	M	M	8.7	5.7	6.2
2022	6.9	7.6	8.6	9.6	8.4	6.5	6.0	5.1	4.8	5.6	6.2	6.0
2023	7.4	7.4	8.2	7.0	5.2	5.3	5.9	5.6	5.5	6.3	5.0	6.2
2024	7.0	7.6	7.9	8.0	6.9	6.3	6.1	6.1	4.7	6.1	6.1	5.6
2025	7.1	7.6	9.4	8.3	5.7	6.7	5.0	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
2003	M	M	M	M	82.96	86.51	96.17	96.64	82.88	79.82	67.12	62.99
2004	59.23	54.56	71.77	76.40	84.23	87.25	93.63	91.68	88.88	78.43	62.74	59.72
2005	57.35	59.48	67.53	77.42	81.61	93.17	95.77	93.14	93.80	77.41	73.10	59.17
2006	66.66	60.29	71.48	83.54	86.75	93.51	95.31	97.90	87.92	79.09	68.28	59.75
2007	57.14	60.12	73.57	72.32	80.89	86.60	90.12	95.46	89.30	82.46	69.38	57.55
2008	57.26	65.02	71.02	77.12	85.19	95.18	97.85	93.61	85.86	78.39	67.52	56.50
2009	57.78	69.11	72.99	80.30	83.85	95.89	98.43	97.77	85.76	71.84	69.93	51.13
2010	53.17	48.96	67.01	77.73	83.70	94.73	93.86	99.49	88.46	80.26	68.94	60.74
2011	54.00	62.22	73.65	84.32	85.61	99.80	102.37	102.84	89.60	77.06	65.24	50.75
2012	59.22	57.36	68.00	79.64	92.31	92.96	98.60	97.61	87.98	74.97	72.32	60.80
2013	57.70	58.58	70.65	76.33	85.95	94.34	95.01	98.18	92.55	78.70	63.24	53.01
2014	58.86	55.49	68.69	78.91	88.03	91.73	94.00	98.12	89.87	84.44	63.28	56.28
2015	53.94	57.70	67.94	76.80	80.44	90.94	95.35	97.72	93.91	83.99	67.11	63.47
2016	57.23	67.96	71.39	76.76	81.38	92.01	98.69	94.92	89.05	84.72	71.01	58.56
2017	60.08	70.28	76.93	78.43	85.76	91.40	98.06	93.01	90.27	80.12	71.47	57.13
2018	58.42	59.81	73.30	75.69	91.62	96.84	100.25	96.55	84.25	72.26	63.58	54.73
2019	54.34	56.84	63.64	76.64	80.19	88.32	93.15	98.25	94.92	76.59	66.40	59.97
2020	60.03	58.90	70.65	74.67	85.43	91.33	96.76	99.64	82.03	76.36	70.47	59.77
2021	54.09	M	M	M	M	M	M	M	M	81.10	68.40	71.97
2022	57.97	57.18	70.87	81.17	89.03	96.17	102.87	96.35	92.50	80.48	63.43	57.68
2023	62.03	61.29	69.45	74.90	83.84	94.23	101.10	104.42	94.73	78.68	68.27	62.65
2024	51.42	66.66	71.68	77.43	84.32	93.23	95.87	101.29	88.63	87.77	70.23	62.77
2025	52.39	60.89	76.00	78.03	82.58	90.81	90.32	M	M	M	M	M
NCEI Climatology	57.39	61.71	69.90	77.89	85.20	92.70	97.70	97.40	90.00	79.50	68.00	58.61

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	59.65	64.78	71.58	71.33	62.86	52.70	44.65	34.59
2004	36.58	34.74	48.77	53.30	62.13	67.27	70.05	68.25	63.15	55.79	44.45	34.05
2005	35.83	39.18	41.36	50.07	60.46	68.44	70.24	69.92	66.86	52.26	40.40	30.84
2006	36.82	33.67	48.61	55.70	61.73	68.12	74.10	75.72	60.68	53.25	43.08	34.55
2007	30.66	34.89	50.52	50.30	62.77	68.60	69.39	72.70	67.82	54.53	45.80	31.77
2008	30.84	34.73	43.09	49.58	59.99	71.24	72.65	70.21	61.50	50.87	40.34	30.95
2009	28.75	40.09	46.98	53.00	61.15	72.47	73.68	73.58	64.84	51.40	43.66	28.58
2010	31.19	31.62	41.65	55.06	60.98	72.69	73.56	74.08	66.52	50.46	40.79	33.45
2011	25.48	33.37	44.81	53.90	59.26	73.04	77.35	77.23	60.44	51.86	41.18	33.34
2012	32.75	36.83	46.81	53.36	68.50	69.32	73.63	71.95	64.34	50.70	43.04	34.67
2013	34.17	31.06	41.97	49.14	60.55	70.49	72.17	73.22	67.18	53.85	40.24	26.76
2014	27.78	30.74	38.31	53.78	59.17	70.80	73.10	72.21	67.18	56.78	37.15	40.47
2015	30.73	32.07	43.78	53.79	61.22	69.10	74.34	72.02	68.49	56.36	43.59	35.91
2016	31.01	38.22	46.89	52.24	59.15	69.84	74.50	72.47	66.16	58.17	47.83	33.75
2017	33.77	44.04	49.95	53.04	58.05	68.80	72.57	69.86	64.29	50.89	45.17	32.68
2018	26.81	34.69	46.07	44.70	65.33	73.70	72.73	72.49	67.11	53.90	36.11	34.57
2019	38.56	41.91	40.15	51.94	60.24	66.12	70.59	73.82	70.45	48.81	36.15	33.32
2020	34.77	34.07	49.52	48.63	58.94	66.56	73.88	71.14	60.29	48.91	43.30	31.23
2021	31.48	M	M	M	M	M	M	M	M	54.50	41.37	42.13
2022	25.77	27.82	40.03	54.33	63.97	72.53	77.10	74.16	65.60	51.16	40.30	35.94
2023	36.23	36.75	46.16	49.33	61.42	70.53	75.26	76.16	70.63	54.23	42.57	37.29
2024	28.65	41.86	49.13	54.93	64.68	72.90	72.10	75.45	64.37	58.77	45.33	38.77
2025	28.65	32.57	47.46	54.80	59.68	71.04	71.49	M	M	M	M	M
NCEI Climatology	29.50	33.04	41.40	49.11	59.50	69.39	72.80	71.99	63.49	51.20	39.00	32.30

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	71.31	75.65	83.88	83.98	72.87	66.26	55.88	48.79
2004	47.90	44.65	60.27	64.85	73.18	77.26	81.84	79.97	76.01	67.11	53.59	46.88
2005	46.59	49.33	54.45	63.75	71.03	80.81	83.00	81.53	80.33	64.84	56.75	45.01
2006	51.74	46.98	60.05	69.62	74.24	80.82	84.71	86.81	74.30	66.17	55.68	47.15
2007	43.90	47.51	62.05	61.31	71.83	77.60	79.76	84.08	78.56	68.49	57.59	44.66
2008	44.05	49.88	57.05	63.35	72.59	83.21	85.25	81.91	73.68	64.63	53.93	43.73
2009	43.26	54.60	59.99	66.65	72.50	84.18	86.05	85.67	74.97	61.62	56.80	39.86
2010	42.18	40.29	54.33	66.40	72.34	83.71	83.71	86.79	77.49	65.36	54.86	47.09
2011	39.74	49.13	59.23	69.11	72.44	86.42	89.86	90.04	75.02	64.46	53.21	42.05
2012	45.99	47.10	57.40	66.50	80.29	81.14	86.12	84.78	76.16	62.83	57.68	47.74
2013	45.93	44.82	56.31	62.73	73.25	82.42	83.59	85.70	79.86	66.27	51.74	39.89
2014	43.32	43.11	53.50	66.34	73.60	81.26	83.55	85.17	78.53	70.61	50.22	48.38
2015	42.33	44.89	55.86	65.29	70.83	80.02	84.84	84.87	81.20	70.18	55.35	49.69
2016	44.12	53.09	59.14	64.50	70.27	80.92	86.59	83.70	77.61	71.45	59.42	46.16
2017	46.93	57.16	63.44	65.74	71.90	80.10	85.31	81.44	77.28	65.50	58.32	44.90
2018	42.61	47.25	59.68	60.20	78.47	85.27	86.49	84.52	75.68	63.08	49.84	44.65
2019	46.45	49.37	51.89	64.29	70.21	77.22	81.87	86.04	82.68	62.70	51.28	46.65
2020	47.40	46.48	60.08	61.65	72.18	78.95	85.32	85.39	71.16	62.64	56.88	45.50
2021	42.78	M	M	M	M	M	M	M	M	67.80	54.88	57.05
2022	41.87	42.50	55.45	67.75	76.50	84.35	89.98	85.26	79.05	65.82	51.87	46.81
2023	49.13	49.02	57.81	62.12	72.63	82.38	88.18	90.29	82.68	66.45	55.42	49.97
2024	40.03	54.26	60.40	66.18	74.50	83.07	83.98	88.37	76.50	73.27	57.78	50.77
2025	40.52	46.73	61.73	66.42	71.13	80.93	80.91	M	M	M	M	M
NCEI Climatology	43.45	47.38	55.65	63.50	72.35	81.05	85.25	84.70	76.74	65.35	53.50	45.45

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
2003	M	M	M	M	55.8%	72.6%	55.9%	55.3%	70.2%	67.2%	64.9%	55.1%
2004	65.8%	68.5%	58.1%	62.4%	63.4%	70.9%	57.9%	59.2%	56.3%	70.4%	75.0%	59.8%
2005	68.4%	67.0%	55.0%	52.2%	68.3%	59.6%	61.1%	68.1%	57.0%	63.8%	52.2%	52.6%
2006	44.3%	57.8%	53.5%	55.6%	59.7%	54.4%	51.2%	49.3%	58.3%	60.0%	59.2%	62.5%
2007	72.2%	61.6%	63.5%	64.0%	79.2%	77.9%	77.2%	68.6%	74.2%	60.1%	59.6%	67.6%
2008	54.3%	53.2%	56.2%	56.3%	60.3%	54.8%	51.3%	63.4%	62.0%	61.2%	57.1%	51.8%
2009	48.7%	47.2%	54.1%	50.9%	68.5%	55.2%	54.1%	53.3%	71.0%	77.7%	65.8%	67.6%
2010	66.5%	72.1%	57.5%	61.4%	63.1%	61.4%	66.6%	49.5%	66.6%	54.1%	54.8%	52.0%
2011	64.0%	59.6%	51.2%	46.2%	52.4%	38.7%	33.6%	34.8%	39.2%	54.3%	61.0%	74.0%
2012	58.9%	61.8%	65.0%	62.1%	57.4%	59.5%	50.0%	50.7%	57.9%	64.0%	50.2%	37.6%
2013	68.4%	59.0%	49.7%	59.6%	58.6%	52.8%	54.1%	51.5%	55.6%	66.1%	63.8%	69.9%
2014	46.1%	64.4%	52.0%	51.9%	51.0%	60.5%	54.7%	50.6%	58.4%	59.1%	65.7%	77.8%
2015	68.0%	71.0%	74.6%	74.4%	81.8%	71.9%	63.2%	56.5%	57.4%	56.7%	75.0%	71.9%
2016	68.8%	56.9%	63.0%	70.5%	76.0%	71.3%	59.4%	65.4%	73.2%	67.7%	74.9%	67.1%
2017	63.5%	61.6%	62.3%	70.9%	62.3%	71.7%	60.0%	71.0%	59.6%	63.7%	65.9%	66.1%
2018	52.3%	66.3%	57.1%	58.0%	61.0%	56.7%	53.2%	57.5%	82.2%	83.6%	69.5%	75.0%
2019	72.0%	72.7%	65.3%	68.9%	78.6%	75.4%	66.2%	60.9%	62.6%	60.7%	71.7%	70.1%
2020	73.3%	68.6%	74.7%	69.2%	68.4%	63.6%	64.1%	52.6%	79.4%	68.0%	66.5%	67.2%
2021	74.5%	M	M	M	M	M	M	M	M	54.9%	63.4%	57.9%
2022	49.6%	58.4%	47.7%	53.8%	61.8%	54.0%	44.7%	57.9%	55.2%	54.7%	71.4%	66.2%
2023	56.7%	60.0%	60.3%	61.5%	72.3%	66.4%	48.4%	38.9%	55.1%	62.7%	69.2%	62.6%
2024	67.4%	60.6%	66.3%	68.3%	75.0%	67.8%	60.9%	50.3%	67.5%	49.7%	69.6%	68.1%
2025	58.4%	63.1%	48.3%	64.5%	70.7%	71.9%	76.0%	M	M	M	M	M