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 (USW00026615) 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
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	0.02	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	0.00	0.00	0.47	0.25	1.74	2.52	2.54	1.64	0.41	0.36	0.19
2011	0.06	0.63	0.05	0.44	0.27	1.36	2.15	4.10	1.22	0.92	0.48	1.21
2012	0.06	0.35	0.33	0.06	0.88	2.87	4.43	3.84	0.93	0.61	0.53	0.45
2013	1.12	0.03	0.22	0.00	0.15	0.91	2.39	3.07	2.15	3.10	2.37	0.21
2014	0.41	0.07	0.27	0.16	1.16	0.97	2.20	3.50	1.57	0.53	1.58	0.56
2015	0.02	0.25	0.16	0.79	0.84	0.33	2.02	3.03	2.41	0.72	1.58	0.20
2016	0.07	0.01	0.80	0.39	1.01	1.20	250.26	279.84	110.07	160.19	70.05	50.06
2017	10.01	50.01	30.00	10.04	140.25	100.76	271.82	180.72	271.27	100.51	40.13	20.10
2018	0.02	180.35	210.07	230.14	470.80	490.91	381.01	6.11	1.97	1.90	0.54	0.88
2019	0.14	1.27	0.47	0.16	1.88	0.94	1.66	3.49	2.92	1.69	2.73	0.00
2020	0.00	0.22	0.30	M	M	M	M	M	M	M	M	M
2021	M	0.22	0.32	0.02	0.17	2.23	6.55	2.67	2.79	1.93	0.11	2.98
2022	0.26	0.06	M	1.04	0.51	0.34	4.67	4.90	3.24	1.98	1.07	0.40
2023	0.48	1.21	0.82	0.28	1.72	1.15	2.76	0.00	M	M	M	M
2024	M	0.00	0.00	M	0.00	M	M	M	M	0.01	0.47	0.19
2025	1.34	0.44	0.71	0.74	0.00	2.29	2.85	1.14	0.47	3.92	0.61	0.39
2026	0.11	0.78	0.04	1.70	1.00	0.53	3.87	7.79	2.02	M	M	M
NCEI Climatology	0.77	0.91	0.74	0.79	1.21	1.77	2.57	3.36	2.89	1.84	1.80	1.06

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	3.0	5.4	5.1	M
2006	1.0	9.6	7.6	15.3	4.8	4.9	8.4	M	M	9.1	M	2.1
2007	6.6	6.5	5.3	6.0	4.7	4.7	4.3	5.2	5.9	5.1	6.2	5.4
2008	5.1	5.8	5.3	6.5	5.8	4.3	5.1	2.9	4.1	3.9	3.1	4.6
2009	5.9	8.0	7.0	7.1	5.3	6.1	5.5	4.8	4.3	6.1	4.7	8.3
2010	4.8	5.5	4.8	5.9	4.1	3.5	3.7	2.2	4.8	3.3	1.5	6.3
2011	9.2	8.1	7.2	7.1	7.5	6.9	5.1	1.6	4.0	5.4	3.5	6.2
2012	4.3	6.4	3.5	4.9	5.0	4.6	4.8	5.1	6.1	5.5	7.2	6.0
2013	6.7	5.1	4.9	2.9	3.3	4.5	3.4	3.7	4.3	5.6	5.0	6.4
2014	7.3	6.9	4.8	5.4	4.6	2.7	3.0	2.1	2.8	4.9	7.4	6.1
2015	4.0	6.0	5.0	4.3	5.1	3.1	3.9	4.0	4.3	2.8	5.8	6.5
2016	8.1	5.4	3.5	5.9	4.5	2.7	5.0	4.0	4.4	7.7	4.1	6.5
2017	3.3	4.4	4.1	5.0	5.2	4.6	3.6	4.5	4.1	5.3	5.3	6.0
2018	5.7	8.7	5.8	6.3	5.9	4.8	5.0	4.6	4.8	6.9	6.5	4.3
2019	6.7	8.5	5.6	5.3	5.4	3.4	3.5	3.9	5.1	6.0	6.6	1.7
2020	2.2	6.9	4.9	M	M	M	M	M	M	M	M	M
2021	M	0.0	0.0	2.8	6.0	3.9	4.0	3.8	3.7	4.7	2.3	6.0
2022	6.0	3.8	M	5.6	5.0	2.2	3.6	3.9	4.5	4.4	5.7	6.6
2023	4.7	5.5	6.1	4.8	5.6	5.3	3.4	3.6	3.4	4.1	4.9	5.0
2024	8.0	7.7	5.6	5.9	4.6	3.6	3.6	4.7	3.9	5.5	4.5	6.2
2025	6.4	5.4	3.6	4.9	4.8	4.0	3.5	4.2	3.6	5.7	4.6	4.5
2026	4.7	5.8	4.1	5.1	5.5	3.2	3.8	4.0	3.5	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
2005	M	M	M	M	M	M	M	M	41.90	35.35	11.38	M
2006	-16.77	25.96	20.46	30.83	53.32	60.04	64.99	58.66	55.42	43.00	21.12	12.27
2007	9.07	23.56	12.26	45.39	54.90	59.99	63.90	64.92	53.21	35.22	30.16	16.94
2008	6.69	8.13	22.01	30.54	51.28	59.33	61.23	62.55	53.73	26.35	13.53	19.05
2009	9.28	20.90	19.39	34.75	54.59	61.03	67.51	60.35	53.87	39.40	14.10	20.19
2010	9.25	21.79	16.05	33.33	57.29	62.89	61.71	58.41	55.94	37.43	24.56	8.90
2011	20.50	20.11	25.44	35.45	54.97	58.93	59.58	57.33	53.54	37.51	11.68	24.44
2012	-12.50	23.56	16.67	40.77	51.03	61.08	59.68	59.09	47.84	36.18	16.41	11.02
2013	21.00	14.80	22.85	29.21	48.61	67.15	65.92	61.11	49.57	43.50	25.21	20.20
2014	32.71	19.42	23.24	45.67	56.15	61.58	65.15	64.92	54.95	34.54	32.30	24.37
2015	14.20	24.52	30.91	41.11	57.16	67.26	64.23	59.88	49.60	42.42	30.34	19.17
2016	28.44	26.67	29.60	52.16	62.20	63.17	64.86	64.35	55.73	44.63	19.95	18.63
2017	10.79	15.07	21.06	47.62	56.99	66.11	67.81	60.33	51.76	40.83	27.25	29.26
2018	12.08	28.49	31.37	41.56	50.56	64.54	65.72	58.85	56.71	45.82	29.21	14.43
2019	19.51	31.95	37.14	40.34	55.67	68.80	68.75	62.42	54.09	39.71	27.46	9.25
2020	-12.75	15.66	22.25	M	M	M	M	M	M	M	M	10.40
2021	M	17.48	19.54	43.08	56.85	60.13	60.80	58.20	49.49	35.25	5.97	20.98
2022	11.30	7.88	M	46.93	53.58	69.22	61.89	58.15	51.83	38.48	26.36	17.45
2023	18.06	17.05	28.00	29.89	49.24	59.36	59.78	60.68	49.79	38.78	29.48	13.74
2024	25.26	25.99	26.13	38.53	49.21	65.43	61.00	56.99	52.33	37.17	22.80	24.41
2025	26.94	26.40	27.57	36.37	47.67	61.22	62.75	64.39	50.24	42.51	26.29	9.28
2026	7.32	18.72	16.29	38.13	50.71	66.70	62.94	60.12	54.85	M	M	M
NCEI Climatology	12.70	20.13	21.99	36.90	52.00	62.10	63.60	60.50	52.71	37.91	24.31	16.30

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	33.60	25.86	-1.53	M
2006	-34.86	12.71	3.09	16.23	34.73	44.20	49.54	44.28	41.11	32.92	7.61	1.26
2007	-4.44	7.75	-7.39	30.02	37.75	45.83	50.93	49.85	43.99	27.44	20.02	4.40
2008	-6.65	-7.78	7.64	14.97	35.07	45.14	46.92	36.47	41.23	14.22	0.50	8.69
2009	-5.43	1.15	1.83	18.10	34.25	43.78	49.49	43.95	37.85	29.85	-1.89	5.24
2010	-3.52	6.09	-4.11	17.12	36.07	44.92	47.96	48.09	40.72	27.02	13.38	-5.09
2011	6.28	0.72	7.27	16.92	37.11	44.78	45.72	45.39	41.18	27.80	-3.24	13.28
2012	-27.02	8.96	-2.99	21.75	32.98	42.63	46.88	47.14	37.19	23.37	6.48	-4.48
2013	8.08	-1.63	2.99	12.13	27.98	48.08	49.67	48.86	36.48	34.74	12.90	8.80
2014	22.55	7.82	6.41	27.17	34.89	42.55	48.14	49.41	39.62	22.64	23.19	16.28
2015	2.09	11.54	13.30	24.19	39.99	45.78	49.70	44.86	36.73	32.76	18.74	8.35
2016	19.47	15.01	16.70	31.73	41.70	45.80	51.53	51.04	39.99	30.87	5.77	4.98
2017	-4.62	-3.72	-3.72	30.70	36.30	47.47	50.60	47.54	39.70	31.89	18.13	22.50
2018	-1.92	11.62	16.48	26.63	36.89	44.51	50.91	48.06	44.02	35.84	18.30	3.59
2019	8.20	23.52	24.23	25.41	39.71	48.24	53.28	49.88	42.76	28.03	16.76	-9.97
2020	-24.25	-2.41	2.12	M	M	M	M	M	M	M	M	10.40
2021	M	2.76	0.20	28.64	37.10	46.01	49.09	45.54	36.41	24.55	-11.92	8.56
2022	-2.25	-3.63	M	31.77	34.03	48.04	49.45	46.64	41.73	27.25	14.59	4.42
2023	5.28	2.74	8.68	7.91	35.92	46.51	49.43	49.43	37.48	26.32	19.88	1.01
2024	14.43	15.44	8.56	22.96	33.96	47.27	47.60	45.54	38.91	27.43	11.09	13.83
2025	17.48	13.25	7.49	20.02	36.00	44.84	50.50	50.21	34.18	33.28	17.43	-5.61
2026	-8.77	-2.43	-10.68	23.07	33.81	45.90	46.94	48.71	45.83	M	M	M
NCEI Climatology	0.90	6.50	7.00	21.21	34.10	44.50	49.01	47.31	39.41	26.40	12.80	3.71

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	37.75	30.60	4.92	M
2006	-25.82	19.33	11.78	23.53	44.02	52.12	57.26	51.47	48.27	37.96	14.36	6.77
2007	2.31	15.65	2.44	37.70	46.32	52.91	57.41	57.38	48.60	31.33	25.09	10.67
2008	0.02	0.18	14.82	22.75	43.18	52.23	54.07	49.51	47.48	20.29	7.02	13.87
2009	1.93	11.03	10.61	26.42	44.42	52.41	58.50	52.15	45.86	34.63	6.11	12.71
2010	2.86	13.94	5.97	25.23	46.68	53.91	54.83	53.25	48.33	32.22	18.97	1.91
2011	13.39	10.42	16.35	26.19	46.04	51.85	52.65	51.36	47.36	32.65	4.22	18.86
2012	-19.76	16.26	6.84	31.26	42.00	51.85	53.28	53.12	42.51	29.77	11.45	3.27
2013	14.54	6.58	12.92	20.67	38.30	57.61	57.79	54.98	43.02	39.12	19.06	14.50
2014	27.63	13.62	14.82	36.42	45.52	52.07	56.65	57.17	47.28	28.59	27.75	20.32
2015	8.14	18.03	22.10	32.65	48.57	56.52	56.96	52.37	43.17	37.59	24.54	13.76
2016	23.96	20.84	23.15	41.95	51.95	54.49	58.20	57.70	47.86	37.75	12.86	11.81
2017	3.08	5.68	8.67	39.16	46.65	56.79	59.20	53.93	45.73	36.36	22.69	25.88
2018	5.08	20.05	23.93	34.09	43.73	54.52	58.32	53.46	50.37	40.83	23.75	9.01
2019	13.85	27.74	30.68	32.87	47.69	58.52	61.01	56.15	48.43	33.87	22.11	-0.36
2020	-18.50	6.62	12.19	M	M	M	M	M	M	M	M	10.40
2021	M	10.12	9.87	35.86	46.98	53.07	54.95	51.87	42.95	29.90	-2.98	14.77
2022	4.52	2.13	M	39.35	43.80	58.63	55.67	52.39	46.78	32.87	20.47	10.93
2023	11.67	9.89	18.34	18.90	42.58	52.93	54.60	55.05	43.63	32.55	24.68	7.37
2024	19.85	20.71	17.34	30.74	41.59	56.35	54.30	51.27	45.62	32.30	16.94	19.12
2025	22.21	19.83	17.53	28.20	41.83	53.03	56.63	57.30	42.21	37.89	21.86	1.84
2026	-0.73	8.15	2.81	30.60	42.26	56.30	54.94	54.42	50.34	M	M	M
NCEI Climatology	6.80	13.32	14.50	29.06	43.05	53.30	56.30	53.90	46.06	32.15	18.56	10.00

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
2005	M	M	M	M	M	M	M	M	90.6%	85.0%	78.2%	M
2006	70.3%	77.5%	70.3%	71.7%	50.2%	92.0%	90.9%	M	M	96.0%	M	80.6%
2007	78.0%	70.2%	59.6%	67.3%	67.4%	73.8%	82.1%	80.1%	84.8%	85.1%	81.8%	77.6%
2008	78.2%	68.5%	75.6%	73.7%	67.5%	74.1%	75.0%	75.2%	81.9%	80.0%	81.8%	83.9%
2009	73.0%	79.2%	70.8%	71.1%	60.2%	69.3%	72.4%	79.9%	81.3%	80.2%	79.5%	73.2%
2010	69.1%	72.6%	63.9%	73.5%	65.2%	71.3%	81.7%	86.4%	72.5%	78.2%	82.6%	77.7%
2011	70.0%	75.7%	59.6%	69.8%	59.9%	72.4%	81.2%	85.0%	79.6%	83.1%	77.1%	82.0%
2012	67.5%	72.9%	71.7%	69.1%	64.6%	74.7%	82.6%	82.3%	78.9%	72.6%	63.8%	75.0%
2013	76.0%	75.0%	74.3%	62.1%	62.4%	68.5%	79.2%	82.6%	78.3%	84.4%	82.2%	76.8%
2014	77.1%	67.7%	66.7%	59.1%	64.5%	72.4%	75.4%	79.4%	77.6%	76.4%	74.5%	80.0%
2015	74.9%	70.3%	71.0%	71.7%	67.9%	64.2%	78.0%	81.3%	83.3%	79.5%	85.8%	78.5%
2016	72.0%	74.5%	67.4%	63.0%	67.0%	75.1%	79.0%	83.2%	81.9%	68.7%	81.2%	79.2%
2017	75.5%	78.6%	60.4%	63.1%	65.8%	70.3%	79.6%	83.5%	85.4%	88.6%	85.6%	89.7%
2018	74.1%	78.3%	81.8%	71.4%	73.7%	70.5%	80.0%	88.1%	84.3%	82.8%	86.4%	85.4%
2019	80.1%	83.2%	78.1%	65.6%	69.8%	71.4%	79.3%	83.2%	85.9%	82.0%	83.3%	85.1%
2020	70.0%	76.0%	74.5%	M	M	M	M	M	M	M	M	M
2021	M	77.1%	79.2%	64.4%	61.1%	81.1%	86.0%	88.8%	84.7%	87.5%	81.3%	88.3%
2022	73.4%	79.2%	M	64.5%	64.6%	62.5%	86.4%	89.1%	88.5%	87.2%	86.3%	76.7%
2023	83.3%	83.4%	75.5%	67.8%	72.5%	73.6%	87.6%	88.4%	86.7%	80.6%	89.5%	85.7%
2024	81.3%	79.1%	74.3%	75.4%	71.4%	71.3%	87.0%	88.7%	84.9%	82.4%	85.5%	78.2%
2025	83.0%	77.6%	74.8%	79.7%	58.3%	75.5%	84.1%	79.0%	76.0%	88.8%	87.6%	77.5%
2026	75.4%	76.7%	62.0%	82.1%	72.6%	68.6%	81.8%	91.2%	93.5%	M	M	M