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 () 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
2000	0.00	0.00	0.00	0.00	M	0.00	M	M	M	0.00	M	0.00
2001	0.06	0.00	0.00	0.00	2.08	2.10	1.96	2.23	0.51	0.00	0.00	0.00
2002	0.00	0.00	0.00	0.00	0.44	2.11	2.88	1.77	1.56	0.00	0.00	0.00
2003	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
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	0.00
2007	0.00	0.00	0.00	0.00	0.29	0.06	16.86	2.23	0.67	0.00	0.00	0.00
2008	0.00	0.00	0.00	0.00	0.31	1.66	2.29	5.39	1.20	0.00	0.00	0.00
2009	0.00	0.00	0.00	0.00	0.72	2.84	1.80	3.53	2.44	0.00	0.00	0.00
2010	0.00	0.00	0.00	0.00	1.08	1.88	2.43	2.99	1.47	0.00	0.00	0.00
2011	0.00	0.00	0.00	0.00	0.74	1.95	2.07	2.38	0.81	0.00	0.34	7.24
2012	0.34	0.04	1.00	1.63	1.23	1.92	6.65	1.07	3.85	1.61	0.54	0.23
2013	0.55	0.38	0.22	0.65	0.30	6.23	3.24	0.11	1.22	0.85	0.32	1.07
2014	0.66	0.35	0.58	0.90	3.22	2.51	2.38	1.33	2.08	1.57	0.75	0.63
2015	1.09	1.05	0.55	0.25	0.80	0.76	3.74	1.21	1.36	0.55	0.44	0.32
2016	0.50	0.62	0.91	0.60	0.64	2.23	4.33	2.33	2.49	2.21	0.39	0.84
2017	0.20	0.26	0.25	0.49	1.17	2.05	0.87	1.35	1.08	2.15	1.08	0.92
2018	0.39	0.25	0.44	0.14	0.16	5.09	4.60	0.96	1.22	0.24	0.73	0.40
2019	0.91	0.34	0.02	0.62	0.36	7.42	8.35	3.27	0.86	1.01	0.74	0.29
2020	0.72	0.50	0.67	0.28	1.31	4.71	4.20	4.20	1.70	2.46	0.58	0.49
2021	0.49	0.22	0.70	0.34	0.84	1.57	1.46	3.97	1.62	0.34	0.96	0.97
2022	0.97	0.99	0.52	0.50	1.05	1.12	3.33	3.54	1.52	1.08	1.70	0.88
2023	0.36	0.81	0.72	0.25	0.17	6.54	2.51	2.28	0.42	0.12	0.43	0.15
2024	0.37	0.28	0.68	0.99	2.75	2.85	0.79	1.07	1.15	1.21	0.79	0.96
2025	0.69	M	M	M	M	M	M	M	M	M	M	M

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	0.0	0.0	0.0	0.0	M	0.0	M	M	M	0.0	M	0.0
2001	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2002	0.0	0.0	0.0	0.0	0.0	0.0	0.9	0.0	0.0	0.0	0.0	0.0
2003	M	M	M	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2004	0.0	0.0	0.0	0.0	0.0	0.0	0.5	0.0	0.0	0.0	0.0	0.0
2005	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2006	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2007	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2008	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2009	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2010	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2011	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	5.7	7.6
2012	7.0	4.9	7.3	8.0	8.3	7.3	5.5	4.9	6.8	7.1	6.7	5.3
2013	5.9	6.5	6.9	7.6	7.8	6.4	6.8	6.0	7.0	6.6	6.5	5.4
2014	7.2	6.4	6.6	8.5	7.9	6.8	6.4	5.8	6.4	7.2	6.3	5.4
2015	6.4	7.0	6.8	8.7	6.3	6.9	6.6	7.0	6.6	7.5	6.5	6.3
2016	5.2	5.9	6.6	8.0	7.8	8.0	6.5	6.5	7.5	6.2	6.6	6.7
2017	6.0	6.5	7.6	7.4	8.5	7.3	7.4	7.4	7.3	8.5	7.3	6.1
2018	7.0	8.0	7.3	8.0	7.8	7.4	7.1	6.6	6.6	6.6	7.0	6.2
2019	6.5	5.9	6.9	7.9	7.1	7.1	6.2	6.9	6.4	7.4	6.7	5.3
2020	6.7	7.6	7.7	8.2	7.9	7.5	6.9	10.4	25.2	26.4	23.4	24.5
2021	21.2	26.1	23.3	25.4	20.4	24.9	21.9	23.2	25.0	19.3	7.0	5.9
2022	7.0	6.6	7.1	8.7	8.3	7.1	7.1	6.6	7.2	8.4	7.7	6.8
2023	5.6	6.3	6.7	8.2	7.8	7.2	6.3	6.2	7.1	7.6	6.8	7.0
2024	5.6	6.4	7.9	8.2	8.1	6.8	6.8	6.6	6.2	8.0	6.2	6.5
2025	8.0	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
2000	17.05	-0.85	21.90	34.50	M	63.00	M	M	M	39.90	M	18.30
2001	31.91	19.41	40.65	52.86	67.12	71.62	78.05	78.46	68.90	46.91	34.37	17.65
2002	13.93	28.71	24.12	42.83	60.85	79.37	76.35	73.75	62.23	40.48	31.04	24.41
2003	14.99	15.88	29.29	53.88	66.40	72.97	77.85	74.67	59.54	49.81	25.43	20.39
2004	M	31.30	M	M	M	67.28	70.91	62.96	49.26	36.13	23.77	2.88
2005	7.81	24.42	35.82	52.75	60.01	68.80	72.56	M	41.00	50.29	33.44	24.60
2006	20.37	14.09	26.71	47.39	56.68	64.54	63.79	64.97	51.73	25.63	6.96	18.14
2007	19.84	9.50	15.80	47.83	62.48	69.11	80.58	65.23	56.49	50.49	24.42	9.89
2008	11.25	12.74	31.08	41.34	63.47	72.76	73.51	71.08	59.10	50.49	30.37	0.04
2009	8.13	17.90	24.82	47.14	56.69	68.47	71.73	70.76	67.37	38.28	34.73	5.73
2010	11.50	25.60	42.53	51.97	59.66	71.11	74.40	67.72	58.75	51.96	26.63	7.95
2011	6.95	16.45	24.69	47.77	65.17	68.80	73.01	72.57	68.37	49.71	40.10	27.68
2012	17.04	25.16	32.85	46.25	65.96	70.24	77.06	73.54	65.40	34.65	12.79	M
2013	1.30	24.21	26.12	39.36	69.08	69.65	71.65	74.94	69.15	46.23	23.45	-1.56
2014	12.83	6.11	25.23	43.50	56.55	69.12	77.93	74.87	60.80	48.37	17.67	14.74
2015	14.91	11.05	37.31	52.21	64.19	73.60	75.22	72.37	58.27	51.41	32.55	18.93
2016	15.77	24.16	34.42	50.64	67.35	73.56	75.65	71.82	61.33	37.01	36.09	9.20
2017	18.27	20.55	27.64	45.72	65.14	70.44	76.99	74.51	64.94	45.11	18.29	16.70
2018	10.65	12.78	28.47	43.38	70.34	70.55	73.32	69.69	48.84	43.10	21.48	18.03
2019	9.35	2.48	37.64	47.86	61.49	68.00	72.37	66.41	60.00	43.01	26.12	16.34
2020	10.39	21.35	23.15	40.81	60.23	68.21	72.63	70.94	58.88	37.26	24.83	20.70
2021	20.12	7.07	36.31	46.34	60.97	75.19	76.15	72.09	62.38	49.18	30.82	1.12
2022	7.50	12.21	31.00	43.09	56.89	70.78	76.31	76.40	67.27	54.68	25.64	3.63
2023	19.54	15.20	25.23	49.83	74.07	73.70	74.30	72.17	67.39	48.64	32.44	31.29
2024	7.97	24.70	29.21	51.74	60.13	64.24	80.24	74.15	66.54	46.45	23.85	16.25
2025	17.55	M	M	M	M	M	M	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	14.45	-13.80	2.70	31.50	M	47.10	M	M	M	34.00	M	10.90
2001	8.26	-7.00	36.15	30.63	39.84	47.83	53.53	50.53	41.90	26.04	19.96	-3.53
2002	-6.14	4.03	-4.76	16.72	31.90	45.53	51.93	46.96	39.74	20.87	11.89	7.21
2003	-4.81	-10.45	2.64	29.29	37.79	46.74	52.23	49.89	40.23	30.86	6.87	2.54
2004	M	23.70	M	M	M	58.18	62.61	55.85	48.42	31.86	18.79	-3.69
2005	-10.60	0.38	12.49	30.23	33.63	44.78	49.42	M	29.50	28.88	18.07	11.49
2006	6.82	4.45	17.91	39.56	50.12	56.81	56.78	57.27	48.05	24.93	4.73	13.61
2007	-3.22	-11.63	-2.37	27.82	39.65	46.82	55.17	44.65	36.15	29.08	12.22	-4.00
2008	-7.25	-11.40	3.26	19.36	37.25	46.75	50.16	50.37	37.66	31.37	20.26	-14.45
2009	-9.33	-6.53	1.20	26.87	32.27	44.45	47.93	47.50	46.65	28.49	17.92	-8.63
2010	-2.90	5.72	20.00	31.22	37.01	47.16	50.51	49.40	39.05	31.90	9.38	-4.63
2011	-10.64	-5.69	3.00	25.76	37.60	46.65	51.58	48.39	41.13	31.36	18.08	7.14
2012	-1.45	0.04	13.26	25.90	38.25	49.58	55.36	50.96	41.59	23.13	-0.91	-1.30
2013	-16.04	5.42	3.60	21.00	40.83	51.73	52.56	51.71	43.16	30.89	5.80	-19.39
2014	-9.89	-12.82	-1.89	22.96	36.00	49.63	54.10	50.06	38.33	32.95	3.25	-0.63
2015	-3.87	-9.43	14.45	26.69	35.27	47.23	52.62	50.84	36.43	31.96	16.91	7.86
2016	0.06	4.67	17.37	28.23	41.77	50.58	54.23	51.45	41.68	29.41	23.64	-7.47
2017	-0.27	3.44	8.53	27.03	40.80	48.88	54.05	50.16	42.04	30.73	4.75	-1.46
2018	-5.95	-6.71	6.26	19.78	43.50	50.44	53.44	50.03	29.55	24.12	11.45	3.39
2019	-7.69	-20.85	14.32	27.93	36.04	48.01	50.53	47.41	40.45	26.92	13.13	-1.07
2020	-5.08	-2.00	3.61	19.22	37.61	47.38	53.25	51.11	40.03	25.00	9.10	7.10
2021	3.07	-12.58	12.98	23.53	37.23	51.65	54.16	48.88	43.14	30.91	14.98	-15.06
2022	-10.13	-13.75	6.83	23.52	37.15	48.54	52.22	52.51	44.05	33.44	9.91	-9.08
2023	5.42	-5.59	1.98	29.00	45.54	51.16	51.68	50.98	43.58	29.98	18.24	13.30
2024	-5.98	6.33	7.33	30.10	40.28	44.65	55.07	50.00	42.67	30.55	12.14	1.93
2025	-1.50	M	M	M	M	M	M	M	M	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	15.75	-7.32	12.30	33.00	M	55.05	M	M	M	36.95	M	14.60
2001	20.09	6.21	38.40	41.74	53.48	59.73	65.79	64.49	55.40	36.48	27.16	7.06
2002	3.90	16.37	9.68	29.77	46.38	62.45	64.14	60.35	50.99	30.67	21.46	15.81
2003	5.09	2.71	15.97	41.58	52.10	59.85	65.04	62.28	49.88	40.34	16.15	11.46
2004	M	27.50	M	M	M	62.73	66.76	59.41	48.84	34.00	21.28	-0.40
2005	-1.39	12.40	24.15	41.49	46.82	56.79	60.99	M	35.25	39.59	25.75	18.04
2006	13.60	9.27	22.31	43.48	53.40	60.68	60.28	61.12	49.89	25.28	5.84	15.87
2007	8.31	-1.07	6.71	37.82	51.06	57.96	67.88	54.94	46.32	39.79	18.32	2.95
2008	2.00	0.67	17.17	30.35	50.36	59.76	61.84	60.72	48.38	40.93	25.32	-7.21
2009	-0.60	5.69	13.01	37.00	44.48	56.46	59.83	59.13	57.01	33.38	26.32	-1.45
2010	4.30	15.66	31.27	41.59	48.34	59.14	62.46	58.56	48.90	41.93	18.00	1.66
2011	-1.84	5.38	13.85	36.77	51.38	57.72	62.29	60.48	54.75	40.53	29.09	17.41
2012	7.80	12.60	23.06	36.08	52.10	59.91	66.21	62.25	53.50	28.89	5.94	M
2013	-7.37	14.81	14.86	30.18	54.96	60.69	62.10	63.33	56.16	38.56	14.62	-10.48
2014	1.47	-3.35	11.67	33.23	46.27	59.37	66.01	62.46	49.57	40.66	10.46	7.06
2015	5.52	0.81	25.88	39.45	49.73	60.42	63.92	61.60	47.35	41.68	24.73	13.39
2016	7.92	14.42	25.89	39.44	54.56	62.07	64.94	61.63	51.51	33.21	29.86	0.86
2017	9.00	12.00	18.08	36.37	52.97	59.66	65.52	62.33	53.49	37.92	11.52	7.62
2018	2.35	3.03	17.36	31.58	56.92	60.49	63.38	59.86	39.20	33.61	16.47	10.71
2019	0.83	-9.18	25.98	37.89	48.76	58.01	61.45	56.91	50.23	34.97	19.63	7.64
2020	2.66	9.68	13.38	30.01	48.92	57.80	62.94	61.03	49.46	31.13	16.97	13.90
2021	11.60	-2.76	24.64	34.93	49.10	63.42	65.16	60.49	52.76	40.04	22.90	-6.97
2022	-1.32	-0.77	18.92	33.31	47.02	59.66	64.26	64.45	55.66	44.06	17.78	-2.73
2023	12.48	4.81	13.61	39.41	59.80	62.43	62.99	61.58	55.49	39.31	25.34	22.30
2024	1.00	15.52	18.27	40.92	50.20	54.45	67.65	62.07	54.61	38.50	17.99	9.09
2025	8.03	M	M	M	M	M	M	M	M	M	M	M

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
2000	85.1%	72.8%	56.2%	90.0%	M	94.6%	M	M	M	95.9%	M	92.6%
2001	86.6%	77.3%	45.6%	61.7%	64.9%	71.5%	73.2%	77.0%	79.2%	79.3%	87.1%	88.2%
2002	81.3%	77.9%	66.3%	61.0%	48.2%	63.5%	74.1%	79.1%	80.4%	85.8%	88.5%	94.2%
2003	M	M	M	64.5%	66.6%	74.5%	83.8%	M	79.6%	81.5%	79.3%	82.0%
2004	78.6%	80.2%	64.8%	55.2%	57.9%	55.5%	62.5%	71.3%	74.7%	74.2%	80.6%	82.6%
2005	79.0%	77.3%	70.0%	56.9%	53.8%	65.9%	69.7%	73.1%	73.8%	67.7%	81.5%	87.0%
2006	86.7%	76.1%	67.6%	51.0%	62.2%	59.7%	71.1%	69.7%	67.3%	63.5%	77.4%	75.0%
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	75.0%
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	70.7%	73.1%	83.2%
2012	81.9%	77.1%	73.3%	61.6%	48.7%	61.4%	69.6%	65.4%	72.2%	87.3%	84.9%	87.2%
2013	81.4%	80.8%	68.0%	64.7%	50.6%	71.4%	65.8%	66.8%	67.6%	78.6%	82.0%	79.6%
2014	79.3%	75.4%	66.5%	64.7%	62.3%	67.1%	64.6%	64.3%	74.6%	80.0%	83.8%	88.1%
2015	82.7%	76.4%	67.9%	47.6%	47.6%	55.6%	65.1%	65.3%	73.5%	71.8%	77.8%	83.9%
2016	81.7%	79.4%	73.2%	56.3%	51.4%	56.9%	63.8%	65.7%	69.4%	85.5%	79.9%	77.6%
2017	78.4%	69.9%	65.2%	62.0%	49.8%	58.1%	57.7%	59.9%	63.4%	75.5%	78.7%	77.3%
2018	77.6%	69.0%	65.2%	52.3%	42.8%	63.0%	63.8%	63.7%	69.7%	68.8%	82.2%	79.5%
2019	77.3%	67.5%	58.7%	56.9%	47.0%	62.0%	63.9%	72.1%	69.5%	73.7%	79.4%	79.6%
2020	76.3%	68.2%	64.5%	58.4%	52.9%	62.6%	66.5%	66.0%	75.6%	77.7%	82.2%	79.8%
2021	78.3%	69.3%	62.8%	55.4%	50.6%	57.4%	62.7%	67.6%	75.5%	64.7%	80.8%	77.3%
2022	77.3%	72.8%	65.8%	61.4%	59.7%	58.1%	61.8%	67.6%	68.6%	64.3%	76.5%	77.0%
2023	84.3%	73.3%	66.4%	53.6%	47.8%	66.6%	66.9%	74.4%	67.0%	71.8%	82.8%	74.4%
2024	76.0%	71.7%	60.4%	55.3%	61.8%	66.5%	63.4%	67.4%	73.6%	72.1%	83.1%	82.2%
2025	78.1%	M	M	M	M	M	M	M	M	M	M	M