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
1996	M	M	M	M	M	M	0.83	0.84	3.31	3.57	3.75	1.63
1997	6.96	8.41	M	M	1.60	2.81	3.94	2.59	6.39	6.11	8.63	7.49
1998	13.69	3.04	13.22	5.00	5.69	7.37	4.41	13.38	7.33	6.87	7.47	11.93
1999	8.18	0.66	5.03	0.78	7.58	0.23	0.44	0.68	0.40	1.14	2.24	0.63
2000	0.14	7.06	2.25	6.30	9.82	0.79	1.40	2.51	3.85	4.97	11.30	19.83
2001	5.85	6.74	5.06	6.23	0.64	0.84	3.09	3.21	8.12	19.56	23.21	1.95
2002	1.73	0.21	5.86	8.06	5.87	20.40	3.41	5.54	5.30	38.32	14.72	15.86
2003	18.00	14.92	1.00	3.14	5.53	5.08	11.16	2.52	12.04	10.33	15.34	26.46
2004	9.91	14.47	7.55	12.33	2.60	9.29	6.77	4.05	5.54	18.75	9.54	30.22
2005	18.10	9.48	2.89	11.62	11.08	13.49	3.45	2.96	6.24	7.90	1.24	17.15
2006	3.41	3.80	6.77	2.81	7.63	11.72	12.71	6.06	7.16	9.83	1.26	1.62
2007	1.75	1.00	12.94	40.90	11.77	58.02	14.89	2.25	12.76	6.71	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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2010	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2011	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	2.27
2013	5.19	2.17	0.36	1.13	2.12	2.15	0.00	1.78	3.25	18.23	9.24	13.89
2014	25.75	27.80	3.29	16.13	0.66	4.53	1.63	6.53	6.56	4.09	16.36	14.29
2015	12.11	14.53	11.33	0.89	8.68	1.85	6.07	6.26	0.60	5.97	5.55	9.77
2016	4.43	1.30	5.98	10.94	2.27	0.76	1.51	5.21	2.54	10.29	4.50	2.50
2017	0.07	0.07	0.57	5.16	2.41	0.79	0.73	9.02	6.43	9.53	M	18.22
2018	10.70	3.22	1.34	3.37	4.88	2.37	4.16	6.85	5.66	4.03	3.60	2.71
2019	4.22	1.22	0.87	1.04	0.97	0.40	0.01	0.00	0.21	1.83	M	0.00
2020	M	0.00	M	M	0.00	0.21	1.13	1.10	13.81	4.13	M	M
2021	M	2.16	0.71	5.34	1.96	M	M	0.00	M	0.00	M	M
2022	0.00	M	0.00	M	0.00	M	0.00	M	0.00	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	1.32	11.20	9.54	9.59	6.73	7.29	5.09	M	M	M
2025	M	3.17	3.79	3.60	M	M	M	M	M	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
1996	M	M	M	M	M	M	5.9	9.6	11.5	10.5	11.9	15.3
1997	11.4	8.4	M	M	7.5	7.1	7.2	8.6	10.0	11.3	9.2	13.6
1998	11.4	7.2	11.6	10.8	9.0	7.8	7.9	9.5	9.7	10.4	10.3	14.0
1999	11.7	10.6	11.1	12.2	11.4	7.6	5.4	7.7	9.2	11.3	12.4	12.2
2000	13.0	10.8	10.8	9.3	9.9	7.8	6.5	11.0	9.4	9.5	10.2	14.0
2001	10.3	9.6	12.9	11.3	11.0	8.2	6.2	9.5	11.1	11.9	11.2	11.7
2002	10.3	11.8	9.9	9.8	8.3	7.0	8.1	6.4	10.3	9.9	7.0	0.0
2003	11.6	7.1	14.1	9.9	9.4	7.6	7.6	8.4	8.8	12.5	11.5	13.0
2004	8.6	10.7	12.4	9.1	6.9	6.8	6.7	7.8	9.4	10.1	10.2	11.1
2005	6.8	9.0	10.8	10.8	9.2	7.4	8.0	9.4	9.3	10.9	13.7	8.7
2006	11.7	11.8	12.2	11.1	9.8	7.4	8.2	8.0	7.8	8.1	16.0	10.2
2007	9.9	10.9	15.5	9.1	7.5	9.1	6.5	7.3	8.8	11.0	11.1	11.8
2008	14.1	9.4	13.8	12.6	10.0	7.8	8.2	7.3	7.3	10.1	11.0	10.9
2009	9.5	9.4	9.9	10.4	7.3	6.9	6.7	9.6	7.7	9.3	12.8	11.7
2010	8.7	9.4	12.9	9.7	9.3	8.7	5.2	7.9	6.7	8.7	11.1	15.9
2011	10.6	15.2	10.0	10.9	9.6	9.0	6.9	8.4	9.1	9.6	13.5	11.5
2012	10.6	8.3	11.2	4.2	8.5	7.8	4.4	1.0	0.0	3.6	12.4	12.2
2013	10.2	9.1	9.1	10.3	9.5	7.8	5.1	7.2	15.4	9.8	11.3	9.3
2014	10.3	12.0	9.2	7.7	7.7	8.5	7.7	6.1	8.6	10.9	7.6	7.5
2015	6.9	8.8	9.6	8.0	7.3	5.0	6.8	9.0	10.0	8.6	11.1	11.0
2016	10.3	8.4	7.0	9.2	6.7	6.6	7.0	5.0	6.4	10.2	6.8	9.4
2017	5.3	8.0	11.1	8.6	7.5	7.3	6.2	8.5	8.9	9.4	1.5	8.5
2018	12.1	10.0	8.0	6.8	8.1	6.5	7.1	8.4	8.1	8.3	9.8	11.4
2019	8.4	9.5	9.0	8.6	6.5	6.0	6.0	5.8	8.5	9.7	9.4	11.0
2020	M	9.9	18.2	M	7.9	7.2	6.6	6.9	9.0	5.9	M	M
2021	M	9.0	11.0	9.7	8.3	7.6	6.5	7.1	8.6	10.6	12.0	13.9
2022	9.3	M	12.1	9.5	10.3	5.5	6.1	6.8	6.3	10.2	9.6	7.2
2023	M	M	M	11.2	9.7	M	M	M	M	M	M	M
2024	M	M	12.0	9.1	8.7	7.4	5.3	7.2	8.4	M	M	M
2025	M	5.6	10.7	11.6	M	M	M	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
1996	M	M	M	M	M	M	53.17	56.59	51.47	43.94	39.04	34.61
1997	31.61	37.10	M	M	50.65	56.23	59.45	59.90	53.96	43.33	40.47	29.68
1998	29.61	34.89	39.00	42.87	46.65	51.89	56.36	55.71	53.40	45.18	39.87	32.74
1999	33.57	30.09	31.57	37.50	41.71	50.16	57.75	56.77	52.95	42.36	37.60	27.50
2000	26.26	37.81	35.28	38.57	45.25	50.51	56.00	58.50	53.44	45.84	42.63	42.42
2001	38.74	39.61	39.78	41.59	45.08	57.50	57.30	58.96	53.19	42.98	39.47	31.54
2002	35.34	31.64	37.40	40.83	49.20	54.44	59.02	59.79	54.67	50.28	44.00	37.28
2003	39.89	42.59	33.85	44.08	48.05	53.27	59.68	57.07	54.39	46.53	42.42	36.38
2004	37.42	37.68	32.94	40.53	50.55	52.14	59.37	62.09	53.61	47.32	42.26	37.62
2005	39.68	37.40	35.71	41.01	48.68	57.22	60.24	60.90	55.19	46.17	33.90	38.99
2006	27.34	35.89	34.78	39.66	49.54	54.23	57.64	57.14	55.59	49.72	32.91	32.54
2007	32.67	23.79	26.00	39.48	45.93	52.50	59.62	59.77	55.89	44.53	41.74	36.10
2008	31.03	30.90	29.83	37.00	43.66	52.39	55.34	58.17	54.19	42.87	29.77	36.23
2009	31.14	33.86	30.07	40.05	51.95	51.49	56.36	56.72	53.07	47.38	36.23	38.93
2010	35.07	32.21	32.00	37.96	45.57	52.82	55.69	58.71	54.74	45.01	39.68	33.16
2011	36.61	34.98	35.38	39.50	45.76	51.32	56.16	58.29	52.47	47.10	37.82	35.31
2012	21.94	34.92	20.90	38.24	42.44	53.54	54.88	56.39	50.90	44.02	34.94	32.81
2013	37.01	32.78	32.65	36.68	44.66	54.10	55.40	57.51	49.35	49.30	41.78	37.28
2014	41.87	32.96	37.05	43.56	55.92	54.38	60.74	61.96	58.04	44.02	43.64	40.94
2015	37.57	40.42	39.03	45.11	48.66	58.76	58.83	60.48	52.43	48.59	43.29	40.21
2016	40.58	40.41	39.27	45.51	52.96	56.90	61.22	63.14	58.90	50.49	40.71	37.42
2017	39.65	39.27	30.75	41.41	48.16	52.84	61.40	56.95	53.21	48.31	44.67	40.70
2018	33.98	40.09	39.17	44.28	46.56	54.45	57.38	59.65	59.12	50.12	44.30	36.59
2019	38.74	41.60	41.37	41.97	48.15	60.70	61.23	65.25	57.15	50.62	46.34	36.64
2020	M	35.62	27.62	M	59.50	54.23	60.25	60.65	55.12	48.94	M	M
2021	M	39.04	37.14	42.80	47.47	53.26	59.98	58.17	53.77	45.82	31.16	26.03
2022	36.14	M	32.21	38.16	45.88	54.44	56.78	57.86	53.25	46.50	42.29	43.60
2023	M	M	M	38.67	43.85	M	M	M	M	M	M	M
2024	M	M	38.75	39.61	45.13	53.59	59.28	58.54	55.38	M	M	M
2025	M	39.00	36.08	40.00	M	M	M	M	M	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
1996	M	M	M	M	M	M	47.93	48.93	43.67	37.19	32.96	27.74
1997	24.29	30.60	M	M	40.55	44.83	51.16	52.00	47.15	37.52	32.43	20.68
1998	22.35	27.04	33.48	34.37	38.10	44.11	49.78	47.68	43.80	38.25	33.83	26.42
1999	25.50	22.15	21.93	30.43	34.10	43.25	49.54	47.99	45.63	36.10	30.73	19.39
2000	17.81	31.80	29.06	31.46	36.44	44.39	47.29	50.61	45.43	38.32	36.29	36.52
2001	30.72	32.90	31.27	33.60	35.61	44.80	49.47	50.79	45.64	34.68	32.67	22.81
2002	26.50	24.62	30.65	33.30	40.52	45.45	49.99	51.30	46.89	43.24	37.65	30.98
2003	32.97	35.39	25.53	34.25	39.11	45.39	50.15	49.58	46.23	40.05	32.65	28.37
2004	25.13	31.00	21.06	33.30	42.03	45.96	52.85	54.31	47.57	40.35	34.39	29.78
2005	33.28	27.50	26.99	31.11	41.26	46.95	51.04	52.83	46.62	37.94	27.83	32.46
2006	21.03	28.19	26.30	28.28	38.61	44.55	48.93	50.10	46.44	41.90	27.24	26.59
2007	26.51	17.52	15.10	32.59	38.08	43.16	49.26	51.44	47.25	37.63	34.65	28.23
2008	26.17	20.30	22.24	28.34	35.58	42.85	47.34	48.78	46.48	34.83	19.67	29.88
2009	23.23	23.45	20.60	31.02	38.40	43.45	48.72	49.57	45.51	40.83	28.68	32.69
2010	28.01	26.58	19.81	28.90	35.90	43.70	47.45	50.46	45.62	36.82	32.18	23.75
2011	29.77	27.57	27.90	29.54	38.74	44.30	46.88	49.42	45.67	39.51	28.46	27.82
2012	13.75	26.97	12.58	31.40	34.58	42.32	46.46	48.20	42.68	37.40	26.54	23.06
2013	29.24	25.74	25.05	29.00	36.01	44.31	47.90	50.68	42.15	41.70	33.44	30.84
2014	34.96	25.70	30.96	34.77	40.48	44.48	50.35	52.09	48.62	36.59	37.22	33.97
2015	30.03	31.81	32.06	35.60	41.35	47.12	49.54	51.16	45.28	42.33	34.73	32.99
2016	34.97	34.36	31.41	38.07	42.25	47.31	53.96	54.11	48.23	41.86	33.31	29.61
2017	33.01	29.24	21.27	33.82	39.27	46.55	52.01	50.30	46.15	39.62	35.37	33.60
2018	26.26	32.01	30.92	35.65	37.99	44.75	49.34	50.51	48.69	43.21	37.99	27.21
2019	31.77	35.14	34.82	34.44	39.36	52.93	52.01	53.81	48.91	42.29	41.59	30.11
2020	M	25.77	18.50	M	46.40	45.52	52.03	52.05	45.20	40.20	M	M
2021	M	31.55	27.32	33.79	39.30	45.71	50.42	50.50	45.43	39.68	26.68	21.93
2022	31.17	M	28.99	32.88	39.76	47.77	50.46	50.60	47.00	40.41	34.55	33.98
2023	M	M	M	28.94	36.02	M	M	M	M	M	M	M
2024	M	M	29.05	30.72	36.55	44.01	49.08	48.71	47.04	M	M	M
2025	M	33.47	29.58	32.56	M	M	M	M	M	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
1996	M	M	M	M	M	M	50.55	52.76	47.57	40.56	36.00	31.17
1997	27.95	33.85	M	M	45.60	50.53	55.31	55.95	50.56	40.43	36.45	25.18
1998	25.98	30.96	36.24	38.62	42.37	48.00	53.07	51.69	48.60	41.71	36.85	29.58
1999	29.54	26.12	26.75	33.97	37.90	46.70	53.65	52.38	49.29	39.23	34.17	23.44
2000	22.03	34.81	32.17	35.02	40.84	47.45	51.65	54.56	49.44	42.08	39.46	39.47
2001	34.73	36.26	35.52	37.59	40.34	51.15	53.39	54.87	49.42	38.83	36.07	27.17
2002	30.92	28.13	34.02	37.06	44.86	49.95	54.50	55.55	50.78	46.76	40.82	34.13
2003	36.43	38.99	29.69	39.16	43.58	49.33	54.92	53.33	50.31	43.29	37.53	32.38
2004	31.27	34.34	27.00	36.92	46.29	49.05	56.11	58.20	50.59	43.84	38.32	33.70
2005	36.48	32.45	31.35	36.06	44.97	52.08	55.64	56.87	50.91	42.05	30.86	35.73
2006	24.18	32.04	30.54	33.97	44.07	49.39	53.28	53.62	51.01	45.81	30.08	29.57
2007	29.59	20.65	20.55	36.04	42.01	47.83	54.44	55.60	51.57	41.08	38.19	32.16
2008	28.60	25.60	26.03	32.67	39.62	47.62	51.34	53.47	50.33	38.85	24.72	33.06
2009	27.18	28.66	25.33	35.54	45.18	47.47	52.54	53.14	49.29	44.11	32.45	35.81
2010	31.54	29.39	25.90	33.43	40.74	48.26	51.57	54.59	50.18	40.91	35.93	28.46
2011	33.19	31.27	31.64	34.52	42.25	47.81	51.52	53.86	49.07	43.31	33.14	31.56
2012	17.85	30.94	16.74	34.82	38.51	47.93	50.67	52.29	46.79	40.71	30.74	27.94
2013	33.13	29.26	28.85	32.84	40.33	49.21	51.65	54.10	45.75	45.50	37.61	34.06
2014	38.42	29.33	34.01	39.17	48.20	49.43	55.55	57.03	53.33	40.30	40.43	37.46
2015	33.80	36.11	35.54	40.36	45.01	52.94	54.18	55.82	48.85	45.46	39.01	36.60
2016	37.78	37.39	35.34	41.79	47.60	52.10	57.59	58.62	53.57	46.17	37.01	33.51
2017	36.33	34.26	26.01	37.61	43.72	49.69	56.71	53.62	49.68	43.97	40.02	37.15
2018	30.12	36.05	35.05	39.97	42.28	49.60	53.36	55.08	53.91	46.66	41.15	31.90
2019	35.25	38.37	38.09	38.21	43.75	56.82	56.62	59.53	53.03	46.45	43.96	33.37
2020	M	30.70	23.06	M	52.95	49.88	56.14	56.35	50.16	44.57	M	M
2021	M	35.30	32.23	38.29	43.39	49.49	55.20	54.34	49.60	42.75	28.92	23.98
2022	33.66	M	30.60	35.52	42.82	51.11	53.62	54.23	50.12	43.45	38.42	38.79
2023	M	M	M	33.80	39.94	M	M	M	M	M	M	M
2024	M	M	33.90	35.16	40.84	48.80	54.18	53.62	51.21	M	M	M
2025	M	36.24	32.83	36.28	M	M	M	M	M	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
1996	M	M	M	M	M	M	82.1%	74.9%	68.2%	65.6%	70.9%	68.2%
1997	72.1%	76.4%	M	M	66.8%	68.8%	78.6%	76.1%	72.4%	66.5%	63.6%	11.7%
1998	16.1%	74.5%	77.8%	68.8%	68.5%	75.5%	77.3%	74.5%	71.4%	69.4%	74.3%	67.3%
1999	68.9%	66.5%	68.8%	72.8%	72.1%	81.7%	81.3%	76.0%	73.6%	70.2%	70.9%	71.7%
2000	67.9%	63.8%	80.7%	77.7%	74.3%	83.9%	82.3%	77.1%	75.9%	76.6%	75.0%	74.7%
2001	69.8%	72.0%	61.0%	72.9%	66.7%	68.8%	80.0%	76.3%	72.4%	68.0%	77.8%	72.5%
2002	78.2%	70.8%	70.9%	69.6%	73.3%	77.9%	75.4%	77.0%	71.2%	77.7%	76.9%	28.8%
2003	80.7%	81.8%	64.8%	69.6%	72.0%	80.7%	79.9%	77.8%	72.8%	75.8%	70.5%	73.3%
2004	68.0%	80.9%	14.6%	76.8%	76.0%	84.4%	83.2%	79.6%	75.5%	73.3%	69.8%	73.5%
2005	39.9%	11.6%	30.0%	72.6%	79.5%	77.3%	78.8%	77.2%	76.6%	70.8%	67.5%	81.1%
2006	74.8%	71.2%	42.6%	11.4%	62.0%	75.1%	77.0%	77.5%	73.8%	73.4%	65.2%	68.4%
2007	72.2%	64.1%	58.1%	79.1%	74.7%	71.1%	74.8%	76.3%	72.0%	67.4%	70.8%	66.6%
2008	69.1%	73.5%	71.4%	66.7%	72.1%	76.3%	75.0%	72.3%	75.9%	68.8%	63.9%	72.6%
2009	72.6%	70.7%	65.3%	70.7%	64.7%	76.0%	81.0%	74.4%	75.5%	71.7%	65.3%	77.5%
2010	75.1%	69.0%	65.2%	65.8%	73.5%	73.0%	79.8%	76.1%	73.6%	68.5%	66.7%	62.8%
2011	73.8%	61.3%	62.8%	72.9%	77.6%	76.0%	78.4%	72.4%	73.4%	67.1%	63.5%	67.2%
2012	67.0%	71.8%	67.2%	72.8%	70.4%	67.7%	75.1%	77.2%	70.4%	66.5%	64.4%	67.9%
2013	72.9%	74.1%	67.3%	66.9%	71.5%	74.8%	80.3%	77.4%	75.6%	78.3%	75.3%	84.5%
2014	84.0%	79.8%	70.8%	76.4%	63.1%	71.0%	73.0%	77.1%	70.3%	64.9%	73.6%	72.5%
2015	72.3%	72.0%	69.3%	66.4%	76.1%	72.3%	76.6%	74.0%	75.1%	79.0%	72.4%	75.1%
2016	81.0%	81.9%	76.0%	80.2%	77.4%	80.5%	81.9%	84.5%	78.8%	75.3%	77.0%	75.6%
2017	64.7%	75.6%	56.5%	79.5%	78.1%	78.4%	81.4%	83.2%	79.9%	74.9%	78.1%	81.3%
2018	75.5%	78.2%	75.1%	76.3%	77.8%	80.6%	85.4%	81.8%	76.8%	77.8%	80.2%	77.1%
2019	79.3%	76.6%	75.1%	75.5%	75.9%	77.7%	82.0%	77.3%	76.5%	75.5%	83.9%	75.2%
2020	M	71.5%	69.6%	M	57.0%	80.3%	80.0%	76.0%	72.9%	75.0%	M	M
2021	M	80.2%	68.9%	77.3%	80.4%	81.9%	78.1%	78.1%	73.8%	70.9%	71.5%	73.0%
2022	84.9%	M	72.3%	77.1%	72.8%	78.4%	81.0%	80.8%	78.2%	73.8%	76.5%	76.2%
2023	M	M	M	68.1%	75.1%	M	M	M	M	M	M	M
2024	M	M	69.8%	77.4%	74.0%	80.1%	81.0%	78.7%	77.5%	M	M	M
2025	M	78.8%	70.8%	77.0%	M	M	M	M	M	M	M	M