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 (USC00214809) 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
2002	M	M	M	M	M	M	0.07	0.02	0.01	0.05	0.07	0.11
2003	0.06	0.05	0.14	0.07	0.01	11.61	0.07	0.03	0.04	0.04	0.31	0.12
2004	0.17	0.04	0.18	0.01	0.04	0.02	0.11	0.06	0.08	0.07	0.02	0.11
2005	0.13	0.04	0.03	0.01	0.07	0.01	M	M	M	0.01	0.35	0.08
2006	0.11	0.06	0.11	0.00	0.01	0.01	0.03	0.02	0.00	0.15	0.01	0.04
2007	0.01	0.01	0.02	0.04	0.02	0.06	0.04	0.00	0.02	0.06	0.06	0.07
2008	0.02	0.04	0.01	0.09	0.05	0.04	0.05	0.02	0.01	0.04	0.06	0.11
2009	0.03	0.09	0.28	0.02	0.01	0.00	0.00	0.01	0.02	0.05	0.00	0.13
2010	0.10	0.00	0.00	0.02	0.02	0.02	M	0.00	M	0.01	0.00	0.10
2011	0.02	0.03	0.00	0.06	0.02	0.02	0.00	0.00	0.02	0.01	0.04	0.03
2012	0.04	0.03	0.09	0.01	0.00	0.01	0.00	0.02	0.00	0.00	0.01	M
2013	0.00	0.19	0.05	0.04	0.04	0.00	0.04	0.04	0.01	0.04	0.06	0.01
2014	0.04	0.03	0.20	0.05	0.03	0.02	0.01	0.01	0.03	0.00	0.00	0.00
2015	0.01	0.00	0.00	0.00	0.04	0.02	0.01	0.01	0.02	0.01	0.00	0.00
2016	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.03	0.02	0.00	0.00	0.00
2017	0.00	0.00	0.00	0.00	0.00	0.03	0.00	0.01	0.00	0.00	0.00	0.00
2018	0.00	0.00	0.00	0.00	0.01	0.03	0.01	0.01	0.02	0.02	0.00	0.00
2019	0.00	0.00	0.00	0.00	0.01	0.02	0.02	0.03	0.03	0.01	0.00	0.00
2020	0.00	0.00	0.00	0.00	0.00	0.02	0.01	0.02	0.00	0.00	0.00	0.00
2021	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.01	0.00	0.01	0.01	0.00
2022	0.00	0.00	0.00	0.00	0.02	0.02	0.02	0.00	0.00	0.00	0.00	0.00
2023	0.00	0.00	0.00	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
2026	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	0.70	0.67	1.22	1.91	3.29	4.46	3.55	3.33	3.09	2.31	1.54	1.09

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	5.3	6.6	6.8	6.3	6.6	6.8
2003	7.8	7.0	6.4	7.4	6.7	5.6	5.1	5.0	7.8	6.8	6.8	6.5
2004	6.2	6.1	7.9	7.6	7.9	6.8	5.2	5.8	7.7	7.3	6.4	6.8
2005	5.2	6.0	5.5	7.5	7.2	8.0	M	M	M	5.8	6.6	4.9
2006	6.3	5.0	5.5	7.7	6.6	5.2	5.9	6.3	5.8	7.4	7.2	5.7
2007	6.2	6.8	7.4	6.2	8.5	6.5	5.2	6.0	8.5	7.0	7.5	5.6
2008	4.5	5.3	7.2	7.2	6.5	6.3	7.2	6.4	6.3	6.8	7.0	6.2
2009	5.8	6.0	7.4	7.0	8.1	5.4	7.6	6.2	6.3	7.1	5.5	5.5
2010	5.7	3.9	6.2	7.0	6.1	5.3	M	M	M	7.6	M	5.5
2011	4.8	6.4	4.5	6.9	7.1	6.7	5.7	5.4	5.5	6.8	7.2	7.0
2012	7.4	5.9	7.6	7.0	6.9	6.2	5.4	5.2	7.3	6.7	6.6	M
2013	8.1	5.4	5.7	7.0	4.4	0.0	5.6	4.4	6.2	5.8	7.5	5.6
2014	7.9	7.9	7.1	8.0	6.5	7.1	5.9	4.6	6.4	7.6	7.4	6.8
2015	7.0	7.1	7.7	7.8	6.3	5.5	6.4	5.9	6.3	6.6	6.7	5.7
2016	6.1	6.4	5.1	7.2	6.6	6.2	5.3	5.5	6.3	7.1	6.5	7.4
2017	6.1	7.0	7.5	6.3	6.4	6.0	4.9	3.8	6.2	8.0	7.8	6.2
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	5.8	M	M	5.4	M	M	M	M
2020	5.8	6.1	6.6	7.3	6.7	7.4	5.0	5.1	6.4	6.5	7.1	5.9
2021	5.2	6.5	7.5	6.2	6.4	5.3	4.4	6.5	6.0	5.6	6.7	6.6
2022	6.7	6.6	7.2	7.3	7.5	6.8	5.3	4.9	5.5	6.5	6.4	6.6
2023	4.8	6.9	6.5	6.5	7.2	5.8	5.0	5.4	5.9	5.5	7.1	6.3
2024	5.9	6.8	8.0	7.2	7.2	6.6	5.1	5.6	6.8	6.8	7.2	7.0
2025	7.7	6.9	6.4	6.7	7.2	5.3	4.8	5.8	M	7.5	6.4	6.1
2026	6.5	7.2	6.3	7.6	8.0	6.6	5.1	5.0	5.9	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
2002	M	M	M	M	M	M	81.05	74.59	68.50	40.25	31.18	25.37
2003	14.24	15.49	31.54	51.95	66.82	73.56	78.67	78.97	64.71	53.53	29.79	26.31
2004	8.82	25.96	35.53	49.31	56.40	68.01	75.01	67.74	69.98	51.79	39.39	20.72
2005	11.61	26.52	34.01	57.01	58.66	61.78	M	M	M	49.90	35.01	22.27
2006	26.55	18.09	36.24	58.89	65.55	75.36	83.01	76.79	66.49	47.37	35.84	27.62
2007	19.46	11.97	37.55	50.47	66.61	74.82	79.78	74.28	65.67	53.43	32.60	18.12
2008	16.87	17.12	29.31	47.16	58.77	69.78	73.37	74.87	65.55	52.68	34.00	10.09
2009	10.97	22.22	33.66	49.12	58.49	70.28	70.27	72.42	72.49	43.33	42.62	14.99
2010	18.98	26.19	46.57	60.16	65.02	70.46	M	57.56	M	47.84	53.44	17.70
2011	11.05	20.30	28.63	49.85	63.54	70.54	80.86	79.31	68.58	55.59	38.43	27.76
2012	23.62	29.48	50.41	52.62	62.75	77.25	83.02	78.11	69.38	44.44	37.39	M
2013	18.23	22.76	32.16	42.10	61.93	64.49	76.43	77.37	71.92	50.33	-5.01	-42.38
2014	1.67	10.45	27.32	45.57	62.88	56.65	75.69	75.23	66.00	53.15	25.94	23.57
2015	17.50	9.78	38.24	53.43	63.04	71.13	80.29	75.27	71.31	54.72	40.06	27.80
2016	16.54	22.93	41.67	47.88	67.38	71.73	77.44	76.67	66.19	53.50	45.26	18.52
2017	19.61	26.53	35.16	51.80	61.12	72.33	77.89	74.76	67.10	53.65	30.42	13.55
2018	16.80	16.13	35.55	43.41	71.48	75.15	78.92	77.64	63.84	44.04	25.56	24.54
2019	10.39	13.99	31.07	51.54	59.60	73.89	79.19	73.09	63.79	47.22	28.03	22.39
2020	19.28	23.38	37.64	46.55	62.80	74.90	79.91	76.54	63.06	41.97	38.00	23.96
2021	22.55	11.92	43.37	49.50	64.75	79.10	81.22	77.21	69.09	56.22	34.23	20.53
2022	8.21	10.97	29.64	38.79	61.54	71.11	75.00	75.53	66.36	53.14	32.64	14.88
2023	18.31	22.76	29.09	38.66	48.84	70.55	73.68	72.77	69.02	50.59	34.18	31.44
2024	17.88	29.59	32.49	50.22	61.98	70.24	77.14	73.71	73.65	56.96	36.87	20.89
2025	12.80	14.60	35.47	46.22	68.49	72.99	76.00	74.97	M	55.71	36.02	16.82
2026	11.31	24.56	33.63	45.33	54.78	69.28	80.11	74.34	74.14	M	M	M
NCEI Climatology	15.41	22.42	35.80	50.40	64.11	73.30	77.50	75.90	66.71	52.00	35.00	21.59

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	57.13	55.06	46.14	27.04	15.37	7.96
2003	-2.87	-6.33	9.73	28.23	39.61	49.47	53.78	57.08	44.30	33.75	15.63	8.45
2004	-9.40	5.68	12.83	27.40	35.19	46.17	52.68	47.80	49.83	36.02	23.55	-0.68
2005	-8.17	4.74	9.20	34.23	41.07	55.01	M	M	M	34.02	20.34	10.02
2006	11.90	-6.36	17.79	34.99	44.47	50.44	56.41	51.90	42.47	30.01	21.45	10.57
2007	-0.02	-6.33	16.26	25.71	44.61	53.25	55.63	50.17	44.17	36.70	19.92	0.58
2008	-3.28	-10.47	8.41	26.31	34.26	48.75	55.42	53.44	45.17	34.79	22.02	-9.73
2009	-13.16	0.26	14.74	29.09	34.87	46.47	57.37	54.75	57.92	35.27	29.84	1.42
2010	-2.15	-2.55	25.02	33.76	42.24	51.22	M	55.04	M	33.58	30.57	1.90
2011	-9.35	-1.40	11.03	31.46	40.44	49.33	57.27	52.84	41.13	35.98	22.61	10.68
2012	5.21	8.74	26.69	30.38	42.89	50.79	60.55	50.00	46.15	32.20	24.61	M
2013	5.09	-2.64	5.81	22.63	40.11	38.30	56.50	52.60	43.27	29.43	-11.60	-47.09
2014	-19.03	-10.98	-0.42	24.66	41.12	33.69	53.14	52.35	45.60	33.52	11.37	11.10
2015	-3.12	-12.99	17.35	28.11	38.86	48.82	59.74	53.52	48.70	34.78	24.94	14.32
2016	2.52	2.56	20.74	27.66	37.67	49.31	55.63	53.83	48.19	36.52	29.56	3.63
2017	1.56	7.38	13.47	29.14	38.67	27.67	-103.09	-61.90	-22.09	-202.58	-289.29	-106.97
2018	-86.40	-54.94	-50.62	-45.71	42.77	52.88	55.99	52.50	43.77	31.34	14.19	6.39
2019	-10.59	-7.78	10.16	31.23	37.13	49.60	56.85	50.56	48.31	34.30	16.57	3.79
2020	1.93	-4.45	14.68	25.23	38.99	52.46	55.76	52.37	41.01	25.53	19.90	7.17
2021	4.38	-10.58	20.11	28.33	38.15	52.06	54.27	54.62	46.37	38.70	18.75	1.74
2022	-15.57	-17.58	9.10	24.40	40.92	47.94	54.20	53.63	43.65	33.34	17.61	-1.32
2023	3.87	-4.04	6.49	24.15	43.08	53.56	50.17	53.30	48.01	35.36	19.33	19.51
2024	5.65	11.44	13.88	29.48	40.49	48.88	55.63	54.27	49.54	33.42	24.28	7.66
2025	-6.37	-6.69	12.91	26.56	41.73	48.81	54.08	54.91	M	37.15	21.57	-4.85
2026	-7.75	3.13	11.88	24.82	30.49	48.57	58.56	50.80	56.36	M	M	M
NCEI Climatology	-7.60	-4.07	11.29	26.60	39.31	49.90	54.10	52.10	43.11	31.41	18.30	2.31

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	69.09	64.82	57.32	33.65	23.28	16.67
2003	5.69	4.58	20.63	40.09	53.21	61.51	66.23	68.03	54.50	43.64	22.71	17.38
2004	-0.29	15.82	24.18	38.36	45.80	57.09	63.85	57.77	59.91	43.91	31.47	10.02
2005	1.72	15.63	21.61	45.62	49.87	58.40	M	M	M	41.96	27.67	16.15
2006	19.23	5.86	27.01	46.94	55.01	62.90	69.71	64.34	54.48	38.69	28.64	19.10
2007	9.72	2.82	26.90	38.09	55.61	64.03	67.70	62.22	54.92	45.06	26.26	9.35
2008	6.80	3.33	18.86	36.73	46.52	59.26	64.39	64.16	55.36	43.73	28.01	0.18
2009	-1.09	11.24	24.20	39.11	46.68	58.37	63.82	63.58	65.20	39.30	36.23	8.20
2010	8.41	11.82	35.80	46.96	53.63	60.84	M	56.30	M	40.71	42.01	9.80
2011	0.85	9.45	19.83	40.66	51.99	59.94	69.06	66.08	54.86	45.79	30.52	19.22
2012	14.42	19.11	38.55	41.50	52.82	64.02	71.79	64.05	57.77	38.32	31.00	M
2013	11.66	10.06	18.98	32.36	51.02	51.39	66.47	64.98	57.60	39.88	-8.30	-44.74
2014	-8.68	-0.27	13.45	35.11	52.00	45.17	64.41	63.79	55.80	43.34	18.65	17.34
2015	7.19	-1.61	27.79	40.77	50.95	59.98	70.02	64.39	60.00	44.75	32.50	21.06
2016	9.53	12.74	31.20	37.77	52.53	60.52	66.53	65.25	57.19	45.01	37.41	11.08
2017	10.59	16.95	24.32	40.47	49.89	50.00	-12.60	6.43	22.50	-74.47	-129.44	-46.71
2018	-34.80	-19.40	-7.53	-1.15	57.12	64.01	67.46	65.07	53.80	37.69	19.87	15.47
2019	-0.10	3.10	20.61	41.38	48.37	61.75	68.02	61.83	56.05	40.76	22.30	13.09
2020	10.61	9.47	26.16	35.89	50.89	63.68	67.83	64.46	52.04	33.75	28.95	15.56
2021	13.47	0.67	31.74	38.92	51.45	65.58	67.74	65.91	57.73	47.46	26.49	11.14
2022	-3.68	-3.30	19.37	31.59	51.23	59.53	64.60	64.58	55.00	43.24	25.12	6.78
2023	11.09	9.36	17.79	31.41	45.96	62.06	61.93	63.04	58.52	42.98	26.76	25.48
2024	11.77	20.52	23.19	39.85	51.24	59.56	66.38	63.99	61.60	45.19	30.57	14.28
2025	3.21	3.95	24.19	36.39	55.11	60.90	65.04	64.94	M	46.43	28.79	5.99
2026	1.78	13.85	22.76	35.08	42.63	58.92	69.33	62.57	65.25	M	M	M
NCEI Climatology	3.90	9.17	23.55	38.50	51.71	61.60	65.80	64.00	54.91	41.70	26.65	11.95

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
2002	M	M	M	M	M	M	65.4%	72.2%	70.2%	72.4%	74.3%	77.5%
2003	71.7%	62.8%	68.0%	50.5%	51.7%	64.7%	66.7%	70.7%	73.6%	69.7%	76.3%	78.7%
2004	75.3%	70.4%	68.0%	56.7%	60.1%	62.1%	69.5%	72.5%	74.9%	73.7%	68.9%	78.0%
2005	76.2%	70.4%	63.2%	52.5%	66.8%	79.6%	M	M	M	80.6%	82.0%	85.5%
2006	81.1%	72.1%	68.6%	57.7%	66.7%	65.6%	63.4%	68.6%	69.6%	71.6%	73.4%	79.9%
2007	75.3%	71.2%	68.8%	57.0%	64.4%	69.0%	68.7%	68.2%	75.4%	76.2%	73.3%	85.0%
2008	79.3%	72.1%	65.5%	59.8%	60.8%	67.5%	69.3%	69.6%	78.0%	78.4%	84.1%	84.6%
2009	81.6%	80.2%	72.2%	67.0%	69.3%	71.9%	76.6%	75.1%	76.8%	79.2%	84.4%	86.6%
2010	83.0%	74.8%	74.7%	61.4%	71.1%	82.0%	M	M	M	83.4%	74.8%	87.4%
2011	87.8%	80.0%	74.3%	70.4%	69.8%	76.9%	74.2%	74.1%	77.9%	77.7%	79.1%	81.7%
2012	85.1%	82.2%	75.0%	64.9%	75.4%	70.4%	71.3%	74.8%	62.8%	77.6%	85.7%	M
2013	90.0%	81.7%	74.5%	70.3%	71.0%	70.4%	78.8%	79.7%	78.2%	79.2%	77.6%	48.2%
2014	65.5%	64.7%	61.2%	59.5%	68.4%	72.0%	72.9%	78.6%	76.9%	71.9%	70.4%	78.3%
2015	70.2%	61.6%	58.6%	51.5%	66.1%	70.6%	71.1%	76.1%	73.9%	74.2%	82.7%	82.8%
2016	74.8%	69.9%	64.2%	61.7%	60.1%	75.1%	75.1%	78.4%	80.8%	79.1%	80.5%	79.2%
2017	79.7%	71.8%	63.6%	63.6%	61.3%	71.5%	74.4%	75.3%	80.9%	71.6%	79.2%	79.2%
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	78.2%	M	M	73.5%	M	M	M	M
2020	80.2%	69.7%	65.7%	59.7%	59.4%	68.9%	70.2%	70.5%	72.8%	70.9%	74.5%	82.7%
2021	83.7%	67.9%	56.6%	61.8%	58.3%	60.3%	63.3%	67.4%	71.0%	78.8%	77.0%	77.8%
2022	73.4%	70.6%	64.4%	72.0%	68.2%	67.5%	76.5%	78.9%	78.1%	73.3%	80.5%	81.8%
2023	85.9%	69.2%	63.5%	64.0%	58.8%	72.5%	73.4%	79.1%	80.4%	83.4%	78.4%	84.8%
2024	83.0%	76.2%	66.6%	63.4%	68.8%	71.8%	77.9%	79.4%	77.0%	71.6%	84.8%	88.0%
2025	74.6%	69.7%	64.8%	70.3%	54.1%	71.7%	78.3%	79.5%	M	79.0%	76.3%	80.3%
2026	77.9%	74.5%	72.6%	68.2%	61.8%	74.7%	75.5%	77.2%	85.4%	M	M	M