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	M	M	M	M	M	M	M	M	M	0.00
2001	1.06	0.46	0.00	0.29	2.87	1.73	4.60	3.77	2.32	2.06	1.77	1.27
2002	2.58	0.46	0.74	0.62	1.43	1.59	4.78	2.75	2.08	0.47	1.41	0.84
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	M
2007	M	0.00	M	M	M	M	M	M	M	M	M	0.00
2008	0.80	2.63	3.00	0.20	1.00	2.61	1.29	2.25	0.59	1.03	1.37	0.94
2009	1.19	0.86	1.04	1.16	2.23	3.00	3.37	1.71	2.41	2.31	0.87	1.03
2010	1.48	0.25	0.55	0.17	1.42	3.50	8.28	3.13	3.93	2.57	0.58	1.25
2011	0.61	0.48	0.28	0.56	1.06	5.63	2.59	2.25	8.70	0.66	0.53	0.81
2012	1.55	0.28	1.67	1.44	3.35	4.60	0.60	1.78	2.21	1.49	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.62	0.67	1.24	0.99
2014	0.99	0.47	0.13	1.18	1.60	1.99	4.88	3.68	1.68	2.39	1.39	0.54
2015	1.25	0.15	1.42	1.23	1.07	1.69	3.04	0.30	M	M	M	M
2016	M	M	M	M	M	2.09	2.83	2.08	1.52	1.09	0.29	0.81
2017	0.96	0.78	1.69	0.41	1.77	3.40	1.13	M	M	0.41	1.02	0.27
2018	1.02	0.11	0.84	0.19	0.76	6.73	2.37	1.64	0.75	0.43	1.26	0.74
2019	1.45	0.53	M	M	M	M	M	M	M	1.65	1.44	1.19
2020	1.24	1.13	0.87	0.60	2.06	4.06	1.67	5.85	1.08	0.92	0.76	1.23
2021	1.22	0.60	M	M	M	M	0.79	4.84	2.68	0.40	2.05	0.44
2022	1.46	1.07	1.23	1.65	1.02	M	M	M	5.62	M	M	M
2023	M	M	M	M	M	M	M	0.30	0.91	0.67	1.31	0.40
2024	0.91	0.33	0.36	1.09	0.86	2.83	2.61	0.42	0.21	0.59	1.35	1.45
2025	0.38	0.69	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	M	M	M	M	M	M	M	M	M	M	M	0.1
2001	1.6	1.8	1.8	3.1	4.1	2.9	2.4	2.4	3.0	2.5	2.1	1.0
2002	1.8	1.4	2.4	2.8	3.6	3.1	3.1	2.8	2.5	3.1	2.2	1.6
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	4.2	2.5	1.5	1.6
2005	1.7	1.4	2.4	3.0	3.1	3.0	2.2	2.6	2.5	2.1	2.0	1.3
2006	0.5	1.7	3.0	3.5	3.4	2.9	2.7	2.0	2.7	2.6	1.7	1.9
2007	1.4	1.8	2.9	3.1	3.4	2.4	2.1	2.2	0.0	0.0	0.0	0.0
2008	0.0	1.4	2.3	3.4	3.5	3.1	2.6	2.6	2.2	3.1	1.5	1.4
2009	1.9	1.5	3.0	2.7	3.4	2.9	2.4	2.6	3.0	2.7	1.6	1.5
2010	1.4	1.6	3.0	3.3	3.3	2.7	2.5	2.0	2.4	2.6	2.4	1.0
2011	0.9	3.0	1.6	3.3	3.0	2.7	2.3	2.2	2.8	2.3	1.6	1.9
2012	2.0	2.1	2.1	2.8	3.5	2.3	2.2	2.0	2.5	2.7	1.2	0.6
2013	1.0	1.7	2.1	3.7	3.5	2.8	2.7	2.1	2.8	2.2	1.9	1.3
2014	1.7	1.3	2.3	3.0	3.2	2.5	2.3	1.9	2.2	2.1	1.5	0.9
2015	0.9	1.3	2.3	3.2	2.8	3.0	2.3	3.0	M	M	M	M
2016	M	M	M	M	3.4	2.7	2.3	2.3	2.5	1.8	1.4	1.0
2017	2.2	1.7	2.2	2.9	3.3	2.6	2.3	2.4	1.9	2.6	1.3	1.8
2018	1.7	1.9	2.0	2.7	3.4	2.5	2.5	2.4	1.5	0.0	0.0	0.0
2019	0.0	0.0	M	M	M	M	M	M	M	1.9	1.9	1.0
2020	0.8	1.7	2.5	2.7	3.0	2.4	2.0	1.9	1.9	2.0	2.0	1.7
2021	1.6	1.5	2.6	3.3	2.8	2.8	2.0	2.2	2.0	1.8	1.4	0.4
2022	1.4	1.9	2.2	2.6	3.3	2.2	2.1	2.1	2.3	2.8	1.3	0.0
2023	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.7	1.5	1.9	1.9	1.3
2024	1.3	1.8	2.2	2.8	3.0	2.5	2.2	1.9	1.9	2.1	1.5	1.0
2025	2.2	1.6	1.1	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	-1.00	-4.62	-3.50	24.98	45.30	56.80	M	53.15	M	3.40	M	0.70
2001	12.05	12.67	26.20	46.51	56.76	70.13	73.02	70.32	57.97	37.31	16.53	-2.21
2002	4.92	7.00	17.98	36.88	51.55	72.85	70.76	66.70	56.39	37.56	19.96	11.63
2003	-0.99	5.43	17.60	45.89	60.08	66.78	77.25	68.68	53.42	42.82	14.91	3.20
2004	M	9.90	M	M	M	71.00	68.28	61.58	46.80	27.06	8.78	-7.33
2005	-5.29	7.66	25.92	46.29	63.47	67.83	70.62	M	35.60	39.17	14.14	11.85
2006	-2.73	7.28	10.26	34.57	51.18	61.83	61.75	63.53	50.66	32.87	-4.38	4.89
2007	3.41	0.61	11.81	48.41	60.73	70.79	71.80	65.09	50.18	35.21	13.66	-3.64
2008	-3.60	2.00	17.69	41.54	62.29	70.07	74.10	67.46	56.14	40.13	14.93	-6.14
2009	0.29	2.16	12.74	44.32	55.71	69.42	73.16	69.35	59.78	35.01	10.45	-0.95
2010	-6.55	12.07	34.85	50.71	60.18	70.02	74.32	67.79	53.20	38.00	19.55	-5.84
2011	-7.13	12.70	21.46	39.64	62.73	67.74	73.29	68.72	61.18	39.95	5.57	13.43
2012	-0.28	19.89	17.75	45.60	63.48	69.84	80.19	74.71	65.40	33.35	3.19	-12.59
2013	-4.85	10.42	19.14	34.43	64.29	75.46	73.38	71.69	61.04	46.72	15.11	-8.80
2014	6.35	2.02	24.71	41.49	59.70	72.71	78.32	73.85	55.17	36.47	7.21	-0.78
2015	-2.67	8.42	27.72	47.70	69.05	72.13	71.91	70.46	M	M	M	M
2016	M	M	M	M	69.98	75.71	75.73	71.15	59.19	32.61	17.37	-3.88
2017	13.66	15.82	16.10	42.69	65.32	68.18	73.95	77.32	64.24	41.28	7.97	13.01
2018	-2.23	10.80	26.27	40.14	66.61	68.81	76.35	69.56	52.84	39.08	12.80	6.53
2019	0.63	-2.17	M	M	M	M	M	M	M	39.24	16.54	-5.99
2020	-10.77	7.08	20.17	40.64	55.90	67.77	71.55	64.90	57.77	35.45	12.08	6.84
2021	5.40	-4.41	21.17	41.79	58.57	75.35	77.04	68.95	59.84	40.80	13.71	-12.95
2022	-5.45	1.97	17.92	37.72	58.11	72.96	75.89	75.63	67.62	46.11	18.04	-9.95
2023	5.96	0.76	22.95	45.36	71.72	73.05	78.18	76.68	62.44	41.22	25.37	11.78
2024	-3.67	12.73	24.56	49.24	65.50	69.67	78.03	73.46	62.69	39.55	11.65	-0.96
2025	18.41	5.88	24.11	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	-2.32	-11.80	-3.50	22.15	39.86	54.90	M	50.20	M	3.40	M	-13.90
2001	-6.20	-12.53	12.70	21.87	33.01	44.82	50.95	46.52	38.17	22.93	3.20	-18.96
2002	-17.77	-18.56	-11.65	7.00	26.43	46.10	50.89	44.45	34.87	24.30	6.06	-3.22
2003	-20.73	-12.45	-4.86	21.31	34.06	44.03	50.69	45.81	33.77	27.12	-1.57	-9.97
2004	M	-18.00	M	M	M	64.03	57.93	54.18	43.90	23.83	5.73	-12.06
2005	-21.67	-14.58	-0.72	23.97	35.74	42.77	48.56	M	31.60	24.96	1.73	-3.22
2006	-18.30	-3.76	-1.30	27.14	44.48	54.19	55.96	55.65	48.50	32.29	-7.16	1.11
2007	-14.97	-15.16	-10.92	22.03	35.71	45.44	54.45	44.78	35.43	24.47	-0.51	-17.22
2008	-20.82	-18.82	-9.14	14.45	37.15	46.34	49.65	46.25	34.35	22.96	2.72	-20.62
2009	-20.18	-23.45	-13.02	18.76	30.52	45.55	47.30	48.02	38.82	23.42	-6.54	-16.40
2010	-16.85	-5.80	4.99	23.74	34.50	47.43	51.83	49.23	33.62	25.99	4.91	-19.32
2011	-21.02	-8.38	-8.46	19.28	34.73	45.00	49.61	45.77	39.56	23.51	-13.18	-7.46
2012	-18.08	-4.32	-5.74	19.96	36.16	46.94	50.86	47.72	38.64	17.22	-12.30	-25.40
2013	-18.13	-7.41	-9.22	8.96	34.21	48.28	50.79	47.64	39.45	26.85	-2.33	-23.89
2014	-12.93	-22.24	-10.37	15.58	32.77	45.66	52.40	46.52	35.92	25.82	-8.76	-14.11
2015	-17.21	-18.99	-1.05	23.97	36.05	47.23	51.01	50.36	M	M	M	M
2016	M	M	M	M	50.18	48.02	51.56	48.81	35.67	22.47	1.10	-19.46
2017	-3.31	-3.44	-10.34	19.17	38.17	47.07	50.06	47.90	37.98	26.89	-8.71	-4.18
2018	-12.44	-14.86	-4.77	12.14	39.40	47.56	49.61	47.50	25.96	24.28	-0.72	-10.83
2019	-14.55	-23.02	M	M	M	M	M	M	M	26.10	-0.09	-18.55
2020	-23.99	-14.84	-9.97	15.00	34.15	47.31	49.62	49.89	37.10	20.14	-5.73	-9.03
2021	-11.29	-26.22	-8.42	14.23	34.73	49.97	52.45	46.92	38.49	24.17	0.26	-27.47
2022	-17.88	-18.03	-4.61	9.62	33.52	46.30	51.87	48.63	37.07	26.16	0.15	-26.56
2023	-7.30	-21.57	-5.65	21.02	38.99	46.88	53.20	49.53	38.50	22.61	8.88	-6.97
2024	-20.93	-11.58	-5.57	22.59	37.91	45.68	54.26	46.33	36.36	18.76	-3.10	-13.72
2025	-3.83	-15.56	-2.37	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	-1.66	-8.21	-3.50	23.56	42.58	55.85	M	51.68	M	3.40	M	-6.60
2001	2.93	0.07	19.45	34.19	44.88	57.48	61.98	58.42	48.07	30.12	9.86	-10.59
2002	-6.43	-5.78	3.17	21.94	38.99	59.47	60.82	55.57	45.63	30.93	13.01	4.20
2003	-10.86	-3.51	6.37	33.60	47.07	55.41	63.97	57.25	43.60	34.97	6.67	-3.39
2004	M	-4.05	M	M	M	67.52	63.10	57.88	45.35	25.44	7.26	-9.70
2005	-13.48	-3.46	12.60	35.13	49.60	55.30	59.59	M	33.60	32.07	7.94	4.32
2006	-10.52	1.76	4.48	30.85	47.83	58.01	58.85	59.59	49.58	32.58	-5.77	3.00
2007	-5.78	-7.28	0.45	35.22	48.22	58.12	63.12	54.94	42.80	29.84	6.58	-10.43
2008	-10.70	-7.87	4.28	28.00	49.72	58.20	61.87	56.85	45.24	31.55	8.83	-13.38
2009	-8.95	-10.64	-0.14	31.54	43.11	57.48	60.23	58.69	49.30	29.22	1.96	-8.67
2010	-11.70	3.14	19.92	37.22	47.34	58.73	63.07	58.51	43.41	31.99	12.23	-12.58
2011	-14.07	2.16	6.50	29.46	48.73	56.37	61.45	57.24	50.37	31.73	-3.81	2.98
2012	-9.18	7.79	6.01	32.78	49.82	58.39	65.53	61.21	52.02	25.28	-4.56	-19.00
2013	-11.49	1.51	4.96	21.69	49.25	61.87	62.09	59.66	50.25	36.78	6.39	-16.34
2014	-3.29	-10.11	7.17	28.53	46.23	59.18	65.36	60.18	45.55	31.14	-0.77	-7.45
2015	-9.94	-5.29	13.34	35.84	52.55	59.68	61.46	60.41	M	M	M	M
2016	M	M	M	M	60.08	61.86	63.65	59.98	47.43	27.54	9.23	-11.67
2017	5.18	6.19	2.88	30.93	51.75	57.63	62.01	62.61	51.11	34.09	-0.37	4.41
2018	-7.34	-2.03	10.75	26.14	53.01	58.19	62.98	58.53	39.40	31.68	6.04	-2.15
2019	-6.96	-12.60	M	M	M	M	M	M	M	32.67	8.23	-12.27
2020	-17.38	-3.88	5.10	27.82	45.02	57.54	60.58	57.40	47.43	27.79	3.17	-1.09
2021	-2.95	-15.32	6.38	28.01	46.65	62.66	64.74	57.93	49.16	32.48	6.98	-20.21
2022	-11.67	-8.03	6.65	23.67	45.82	59.63	63.88	62.13	52.35	36.14	9.10	-18.25
2023	-0.67	-10.40	8.65	33.19	55.36	59.97	65.69	63.11	50.47	31.91	17.12	2.40
2024	-12.30	0.58	9.50	35.91	51.70	57.67	66.14	59.89	49.53	29.16	4.28	-7.34
2025	7.29	-4.84	10.87	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	M	M	M	M	M	M	M	M	M	M	M	84.1%
2001	83.0%	73.2%	76.4%	60.9%	59.7%	69.1%	78.1%	81.2%	81.0%	85.5%	88.0%	80.1%
2002	72.5%	73.8%	65.5%	58.9%	60.2%	63.6%	77.2%	79.5%	81.2%	84.2%	89.5%	87.4%
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	67.0%	87.4%	88.3%	80.0%
2005	79.5%	81.3%	77.0%	69.6%	63.2%	68.3%	80.0%	79.9%	87.6%	91.1%	88.4%	86.7%
2006	81.0%	84.7%	74.8%	62.0%	68.2%	71.6%	76.6%	82.4%	80.0%	88.6%	85.5%	84.4%
2007	82.0%	79.6%	73.5%	63.9%	63.5%	70.9%	86.0%	84.2%	92.0%	93.4%	89.3%	84.1%
2008	M	84.4%	72.9%	63.7%	61.7%	69.8%	69.5%	79.5%	83.8%	81.2%	93.1%	79.8%
2009	74.1%	79.5%	71.2%	68.6%	63.1%	72.7%	76.5%	83.3%	83.9%	89.6%	90.1%	83.1%
2010	82.9%	87.0%	66.0%	66.1%	66.7%	72.7%	79.3%	87.9%	87.4%	89.5%	87.0%	82.8%
2011	81.5%	75.4%	71.3%	68.9%	66.6%	78.2%	78.7%	83.1%	79.1%	92.4%	85.2%	84.0%
2012	79.6%	79.9%	75.8%	64.0%	61.1%	79.5%	68.1%	77.1%	74.3%	87.3%	85.3%	79.3%
2013	84.0%	81.7%	68.7%	65.3%	56.8%	70.0%	73.1%	83.7%	83.2%	85.1%	85.2%	75.6%
2014	78.6%	72.0%	61.0%	62.3%	59.2%	62.4%	68.3%	71.7%	80.7%	90.4%	82.4%	81.6%
2015	79.9%	76.2%	71.1%	61.3%	53.2%	59.6%	73.1%	71.2%	M	M	M	M
2016	M	M	M	M	34.8%	62.5%	71.2%	75.1%	76.3%	90.3%	85.1%	78.2%
2017	78.5%	80.2%	71.8%	60.7%	58.1%	69.7%	70.5%	63.0%	76.3%	84.5%	81.4%	81.1%
2018	80.1%	75.7%	69.6%	58.1%	53.6%	69.9%	64.7%	73.6%	69.5%	79.1%	85.1%	78.2%
2019	75.8%	72.5%	M	M	M	M	M	M	M	82.6%	80.0%	76.2%
2020	75.2%	72.8%	65.3%	62.2%	64.9%	70.8%	74.0%	82.9%	80.7%	78.9%	80.0%	77.5%
2021	78.4%	71.6%	67.5%	57.7%	64.4%	61.5%	68.9%	76.9%	81.6%	84.5%	83.2%	74.6%
2022	76.3%	75.0%	71.6%	62.8%	64.6%	66.6%	69.1%	71.6%	67.4%	74.1%	78.1%	72.2%
2023	81.1%	73.7%	70.0%	65.6%	53.5%	66.6%	75.1%	75.6%	79.7%	83.8%	87.1%	82.6%
2024	75.5%	72.2%	65.9%	63.5%	58.2%	68.7%	74.0%	76.1%	77.7%	78.9%	84.0%	80.6%
2025	74.8%	74.2%	82.2%	M	M	M	M	M	M	M	M	M