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 (USC00133473) 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
2006	M	M	M	M	M	M	M	1.50	2.64	1.37	1.52	1.82
2007	0.89	0.57	1.68	2.88	4.02	2.14	3.16	5.00	3.00	4.50	0.11	1.74
2008	0.18	0.68	0.73	4.07	3.68	5.08	5.30	1.12	4.49	1.29	1.08	0.71
2009	0.07	0.36	2.35	2.83	2.78	4.13	2.66	8.02	2.27	4.48	0.84	0.85
2010	0.81	0.04	0.56	4.37	3.83	8.85	7.76	9.75	3.81	0.36	0.87	0.19
2011	0.04	0.31	1.08	2.78	4.16	4.92	1.33	0.91	1.62	1.12	1.92	1.52
2012	0.05	0.79	1.63	2.41	1.28	1.88	0.36	1.80	1.01	2.94	0.77	0.50
2013	0.24	0.36	1.34	4.71	10.34	3.95	0.81	0.46	1.20	2.37	1.17	0.03
2014	0.04	0.19	0.19	4.85	1.59	9.20	2.85	3.09	3.27	3.14	0.58	0.38
2015	0.37	0.09	0.10	2.92	3.19	7.79	4.61	4.91	2.49	1.87	1.96	3.18
2016	0.10	0.11	1.47	2.19	1.98	2.63	3.71	4.81	4.54	1.28	0.78	0.78
2017	0.79	0.28	1.55	2.64	2.21	2.56	2.14	3.50	1.51	3.28	0.21	0.11
2018	0.84	0.45	1.28	0.25	4.72	5.31	2.76	3.91	9.12	5.15	1.10	1.21
2019	0.24	0.74	0.88	2.06	7.55	2.94	1.73	2.28	3.33	6.32	0.71	0.48
2020	0.28	0.03	1.95	0.06	0.20	8.05	0.84	0.38	4.84	2.12	1.32	0.40
2021	0.07	0.14	1.68	0.40	3.19	4.17	2.23	2.97	0.49	2.84	1.17	0.40
2022	0.07	0.03	1.24	1.25	2.77	1.92	1.86	2.31	2.55	0.12	2.10	0.55
2023	0.84	0.82	0.72	1.39	2.09	1.58	2.93	3.29	1.86	2.36	0.06	0.99
2024	0.49	0.13	0.85	2.34	6.79	4.06	3.71	2.90	0.31	2.42	2.25	0.95
2025	0.12	M	1.58	1.99	2.47	0.98	M	M	M	M	M	M
NCEI Climatology	1.10	1.62	2.22	3.90	5.09	5.53	3.96	4.37	3.71	3.21	1.95	1.60

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	M	M	M	M	M	M	9.8	8.8	11.0
2007	10.7	10.4	11.7	13.0	11.2	8.8	7.3	7.0	7.7	9.1	11.5	9.1
2008	11.3	9.5	10.2	12.4	11.4	10.1	7.2	6.1	6.9	9.0	10.2	10.5
2009	9.8	10.9	11.2	11.7	10.3	7.9	7.0	7.1	5.6	8.8	9.1	10.8
2010	9.1	9.4	9.5	10.5	10.0	7.9	6.2	5.9	8.0	8.1	11.7	10.4
2011	9.7	11.9	11.1	13.5	11.6	10.1	5.9	5.6	6.7	8.1	11.4	9.8
2012	12.0	10.6	11.7	11.2	11.3	9.0	5.8	5.3	6.5	9.2	9.4	10.0
2013	11.3	12.0	10.6	11.6	11.3	9.1	7.0	5.8	8.1	9.9	11.4	10.5
2014	14.2	10.7	12.7	13.2	10.2	8.2	6.8	5.5	6.5	8.8	12.3	9.1
2015	10.5	10.4	10.1	11.0	10.9	7.0	6.4	6.6	7.8	9.4	11.7	10.9
2016	10.4	11.6	10.6	12.4	8.6	7.5	6.3	5.6	7.7	8.0	9.6	11.2
2017	10.4	10.4	11.9	11.1	10.3	9.1	6.1	5.3	6.0	10.4	10.0	10.8
2018	11.0	10.0	10.7	12.0	8.7	8.0	5.6	5.7	6.8	7.8	10.0	9.2
2019	11.3	9.4	10.8	12.1	9.5	7.8	7.3	5.7	8.1	9.4	10.1	9.9
2020	9.9	10.3	11.0	10.2	8.6	8.9	5.4	6.1	8.3	10.0	11.1	8.4
2021	9.2	8.7	11.1	11.0	10.1	7.4	5.7	6.4	7.4	9.0	10.8	10.0
2022	11.1	12.6	12.5	13.3	10.9	8.1	5.8	5.2	6.3	7.6	11.0	11.9
2023	8.8	8.4	8.4	12.2	7.9	6.5	5.7	6.2	6.6	9.8	9.4	9.1
2024	9.8	10.5	11.9	12.9	8.9	8.4	5.1	6.0	5.8	9.1	9.5	9.0
2025	9.4	10.8	11.5	10.8	6.7	4.6	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
2006	M	M	M	M	M	M	M	75.63	70.53	57.37	49.53	40.63
2007	30.72	24.54	53.18	59.10	76.45	82.20	85.51	84.34	77.90	66.50	49.00	30.33
2008	27.10	27.30	42.32	57.90	70.48	81.42	83.70	81.10	73.37	63.50	46.83	29.87
2009	24.77	37.23	50.36	61.87	74.77	81.09	81.58	81.19	78.16	57.05	56.89	32.77
2010	24.50	29.38	52.08	70.86	74.21	84.05	86.22	85.80	76.35	70.77	51.49	30.94
2011	25.15	33.00	45.98	58.34	71.60	79.04	87.92	83.33	72.02	67.42	50.54	39.03
2012	37.59	38.36	63.42	64.08	78.40	84.34	91.05	83.05	77.04	62.15	52.72	38.89
2013	35.01	33.82	36.76	56.73	69.74	78.10	82.33	83.89	79.45	62.39	44.20	26.98
2014	25.06	22.96	40.69	58.95	72.50	79.60	77.98	79.73	72.54	61.53	39.70	35.23
2015	31.92	23.49	50.06	63.80	71.17	78.51	81.33	78.00	79.74	63.77	51.73	41.17
2016	27.71	36.38	52.43	60.94	71.01	84.09	82.77	81.97	78.55	67.54	55.78	34.82
2017	33.89	47.16	46.62	63.85	73.59	84.01	84.89	77.47	79.00	62.71	47.47	32.82
2018	29.63	31.86	43.94	52.64	79.27	83.19	83.14	82.24	75.91	59.19	38.24	37.50
2019	24.69	24.64	40.41	61.85	67.51	79.66	84.65	78.72	78.38	56.60	41.85	40.22
2020	30.59	33.47	51.08	58.94	73.38	82.32	87.83	88.15	78.17	61.72	58.31	40.79
2021	33.48	36.07	53.88	64.22	70.64	86.99	84.39	86.33	82.06	67.55	52.54	44.92
2022	28.09	35.31	49.85	58.96	74.91	85.69	86.43	85.17	79.45	66.58	49.76	33.63
2023	33.22	41.10	47.26	64.83	78.16	83.97	84.34	83.92	81.48	65.81	52.17	44.74
2024	28.41	51.94	55.72	65.19	75.78	84.76	82.11	82.27	82.09	72.93	51.11	38.88
2025	31.93	33.64	59.45	64.11	73.98	81.27	M	M	M	M	M	M
NCEI Climatology	28.30	33.18	46.11	59.39	69.90	79.50	83.30	81.21	75.20	62.30	46.79	34.01

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	M	M	M	M	60.49	49.29	37.84	30.70	23.16
2007	14.06	10.96	34.86	37.20	55.46	61.85	63.97	67.10	53.64	47.66	29.36	17.12
2008	11.16	11.93	26.22	38.35	48.85	60.97	64.67	60.90	54.53	41.38	30.35	9.19
2009	6.97	20.53	29.46	38.93	53.10	63.48	61.29	62.62	56.44	41.18	38.36	17.74
2010	12.17	12.23	33.84	47.88	54.34	65.98	68.83	66.43	55.21	43.59	31.97	16.48
2011	9.65	17.33	29.72	39.44	50.87	61.97	70.85	63.41	51.08	42.57	32.00	24.64
2012	19.37	22.69	42.23	42.89	55.39	61.74	68.33	58.87	49.41	40.40	30.92	22.45
2013	15.53	18.88	22.19	35.55	50.17	61.06	61.90	61.99	55.06	41.41	25.23	10.02
2014	3.81	5.23	22.54	36.93	51.13	61.02	59.14	63.09	52.01	41.44	21.78	23.22
2015	14.70	5.53	27.04	40.50	52.52	60.49	63.49	59.75	58.63	43.07	34.02	29.31
2016	14.31	22.47	33.60	40.31	49.79	61.88	64.85	63.61	58.13	47.04	35.18	15.12
2017	19.35	26.31	29.74	42.61	48.94	61.02	64.59	57.09	55.34	45.24	27.42	16.18
2018	10.99	14.28	26.86	29.87	58.13	63.58	62.69	62.88	55.98	39.96	23.81	21.70
2019	14.67	14.99	25.19	39.51	48.53	60.40	65.58	60.74	60.31	37.96	25.10	22.68
2020	17.12	17.87	33.06	38.31	53.12	63.13	68.37	66.02	56.74	42.10	36.80	23.58
2021	20.79	20.76	35.64	42.68	52.17	65.31	67.17	65.30	58.23	48.89	31.69	26.17
2022	7.54	12.31	30.61	36.47	55.23	63.12	66.05	64.41	56.43	41.20	31.35	17.84
2023	20.86	20.78	28.26	40.17	53.87	62.82	63.91	64.93	58.20	46.10	31.40	31.60
2024	17.08	27.77	33.67	43.69	54.52	63.88	64.89	63.11	57.55	45.86	34.83	24.76
2025	11.96	15.06	34.01	42.70	50.68	60.86	M	M	M	M	M	M
NCEI Climatology	10.20	13.77	24.70	35.10	47.09	57.79	61.81	59.20	50.19	38.19	26.40	16.30

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	M	M	M	M	68.06	59.91	47.60	40.12	31.89
2007	22.39	17.75	44.02	48.15	65.95	72.03	74.74	75.72	65.77	57.08	39.18	23.72
2008	19.13	19.61	34.27	48.12	59.66	71.20	74.19	71.00	63.95	52.44	38.59	19.53
2009	15.87	28.88	39.91	50.40	63.93	72.28	71.44	71.90	67.30	49.12	47.63	25.26
2010	18.34	20.81	42.96	59.37	64.27	75.01	77.53	76.12	65.78	57.18	41.73	23.71
2011	17.40	25.16	37.85	48.89	61.24	70.50	79.38	73.37	61.55	54.99	41.27	31.84
2012	28.48	30.52	52.83	53.49	66.89	73.04	79.69	70.96	63.22	51.27	41.82	30.67
2013	25.27	26.35	29.48	46.14	59.95	69.58	72.12	72.94	67.26	51.90	34.72	18.50
2014	14.44	14.09	31.61	47.94	61.82	70.31	68.56	71.41	62.28	51.49	30.74	29.22
2015	23.31	14.51	38.55	52.15	61.84	69.50	72.41	68.88	69.18	53.42	42.88	35.24
2016	21.01	29.43	43.02	50.62	60.40	72.99	73.81	72.79	68.34	57.29	45.48	24.97
2017	26.62	36.74	38.18	53.23	61.26	72.51	74.74	67.28	67.17	53.97	37.44	24.50
2018	20.31	23.07	35.40	41.26	68.70	73.39	72.91	72.56	65.95	49.62	31.02	29.60
2019	19.68	19.81	32.80	50.68	58.02	70.03	75.11	69.73	69.35	47.28	33.47	31.45
2020	23.86	25.67	42.07	48.63	63.25	72.73	78.10	77.09	67.46	51.91	47.55	32.18
2021	27.14	28.42	44.76	53.45	61.40	76.15	75.78	75.81	70.14	58.22	42.12	35.55
2022	17.81	23.81	40.23	47.71	65.07	74.41	76.24	74.79	67.94	53.89	40.55	25.74
2023	27.04	30.94	37.76	52.50	66.01	73.40	74.12	74.42	69.84	55.95	41.79	38.17
2024	22.74	39.85	44.69	54.44	65.15	74.32	73.50	72.69	69.82	59.40	42.97	31.82
2025	21.95	24.35	46.73	53.41	62.33	71.07	M	M	M	M	M	M
NCEI Climatology	19.25	23.48	35.40	47.25	58.50	68.65	72.55	70.20	62.70	50.25	36.60	25.15

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
2006	M	M	M	M	M	M	M	M	M	72.2%	77.7%	80.3%
2007	85.0%	78.8%	77.6%	61.1%	61.3%	64.3%	65.0%	76.4%	67.7%	70.3%	64.3%	84.9%
2008	79.4%	82.1%	75.9%	70.8%	59.2%	64.1%	70.3%	71.7%	75.4%	66.0%	73.9%	78.0%
2009	75.3%	72.1%	67.2%	62.2%	59.0%	71.1%	70.7%	74.8%	72.1%	75.2%	70.1%	80.5%
2010	80.6%	79.2%	72.6%	58.8%	62.4%	71.8%	74.3%	75.2%	69.9%	56.1%	69.0%	80.6%
2011	57.7%	81.0%	77.5%	70.6%	66.9%	75.8%	78.3%	75.4%	71.6%	59.7%	72.8%	83.2%
2012	74.4%	81.3%	72.2%	64.8%	56.8%	60.8%	65.2%	68.2%	58.5%	65.5%	68.9%	79.7%
2013	74.5%	80.2%	81.5%	71.6%	73.3%	72.6%	69.5%	71.4%	69.0%	69.5%	75.3%	81.6%
2014	73.6%	77.2%	73.0%	67.0%	64.7%	74.4%	75.3%	82.2%	76.9%	71.0%	75.0%	85.1%
2015	80.1%	75.6%	65.4%	59.8%	72.2%	77.9%	78.0%	79.2%	71.3%	68.2%	76.6%	86.3%
2016	84.1%	81.1%	76.1%	67.8%	66.2%	66.2%	79.6%	81.0%	75.4%	75.0%	73.2%	78.9%
2017	84.1%	72.8%	69.6%	68.4%	66.5%	60.0%	74.1%	78.0%	71.8%	73.1%	72.3%	70.5%
2018	78.3%	78.6%	75.6%	62.5%	68.2%	74.7%	75.5%	79.5%	78.2%	74.9%	80.8%	85.6%
2019	83.0%	85.6%	77.5%	69.9%	78.9%	71.4%	74.6%	77.9%	83.0%	77.7%	79.3%	81.4%
2020	85.2%	77.1%	75.2%	75.8%	63.2%	67.8%	72.1%	62.9%	64.8%	59.4%	67.0%	74.0%
2021	79.5%	77.9%	68.5%	59.0%	68.8%	63.6%	77.3%	74.3%	68.7%	75.5%	67.6%	71.4%
2022	77.4%	73.5%	70.9%	68.4%	66.0%	63.4%	73.2%	75.9%	69.9%	61.1%	73.2%	80.7%
2023	87.9%	78.1%	75.6%	58.5%	56.2%	64.1%	75.1%	79.5%	73.5%	72.8%	67.9%	81.9%
2024	87.6%	68.4%	64.6%	63.5%	69.9%	69.5%	80.4%	76.1%	65.4%	54.2%	83.5%	82.9%
2025	72.6%	73.4%	63.3%	63.0%	61.7%	66.5%	M	M	M	M	M	M