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 (USC00181530) 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	3.98	2.39	3.07	4.78	5.42	0.40	8.41	4.10	2.53
2006	4.75	2.46	0.72	3.84	1.86	11.40	2.05	0.58	0.72	5.38	5.51	2.72
2007	2.67	2.34	5.28	0.88	1.37	2.58	0.02	0.00	1.84	3.96	2.89	5.54
2008	1.45	4.90	3.99	7.07	6.55	3.18	0.32	2.46	6.66	1.87	2.04	1.63
2009	0.28	1.10	2.30	6.50	6.48	5.24	4.51	3.77	2.32	6.80	3.23	7.98
2010	4.09	1.91	8.25	3.20	5.17	1.52	2.73	6.26	8.93	2.33	1.85	3.28
2011	0.88	4.31	7.73	11.51	3.09	1.65	1.67	4.13	11.21	5.49	3.25	3.34
2012	2.75	3.01	2.99	0.35	0.00	3.68	0.26	4.11	0.83	0.37	0.02	0.14
2013	0.35	0.17	0.05	1.81	3.19	0.72	2.79	2.27	0.87	7.64	2.51	5.37
2014	2.53	4.91	1.91	6.09	6.13	6.17	2.85	5.51	1.47	3.62	3.28	3.24
2015	2.31	2.24	4.75	4.12	3.22	8.26	3.62	2.43	0.05	M	0.69	4.00
2016	6.51	5.91	2.34	1.22	0.76	3.89	4.53	1.66	M	0.54	1.55	2.58
2017	4.09	1.42	4.50	4.02	7.89	2.68	4.99	4.93	2.37	7.64	1.85	0.96
2018	3.16	5.91	3.60	6.13	5.92	5.14	9.78	7.37	14.89	2.76	3.55	M
2019	M	1.67	4.97	4.07	3.23	M	M	M	M	M	M	M
2020	M	M	M	M	M	1.92	1.85	2.69	M	0.00	1.16	0.00
2021	0.00	0.00	0.00	0.18	0.87	1.60	0.23	0.00	0.17	0.35	1.52	0.98
2022	3.20	2.87	2.54	3.36	6.66	2.16	4.88	1.86	3.47	M	3.60	5.51
2023	1.87	1.87	2.96	5.49	0.70	3.47	2.04	2.50	0.00	0.21	3.10	5.22
2024	7.33	3.04	4.90	4.37	M	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	3.77	3.14	4.43	4.02	4.88	4.21	3.71	4.03	5.32	4.09	3.66	3.49

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	7.5	8.8	6.9	5.9	5.2	4.8	5.2	6.9	10.0	9.1
2006	10.5	10.8	9.6	8.4	7.0	5.6	6.3	6.1	6.4	8.7	8.2	10.7
2007	9.1	10.7	9.4	10.4	7.5	6.3	5.7	4.1	5.5	7.1	8.2	9.4
2008	9.9	10.2	10.1	7.5	7.6	7.0	5.6	5.7	5.7	7.7	8.7	10.9
2009	9.6	11.2	8.3	9.4	6.9	6.0	5.8	5.1	5.7	7.5	7.9	10.2
2010	11.7	11.7	8.8	8.3	6.6	6.9	5.6	5.1	6.8	8.5	8.7	11.8
2011	8.8	10.9	9.4	10.4	7.0	6.6	5.6	6.3	5.4	7.4	8.7	9.0
2012	10.3	9.2	8.3	8.3	6.0	6.3	5.3	4.9	6.2	5.7	M	7.4
2013	23.8	1.4	10.4	7.9	7.4	6.6	5.9	5.4	5.5	7.0	10.2	9.1
2014	10.4	4.7	9.7	9.6	7.2	5.8	6.0	5.0	4.1	6.6	0.0	0.0
2015	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	M	0.0	0.0
2016	0.0	0.0	3.3	11.5	5.3	6.6	5.7	5.8	M	7.0	9.4	10.8
2017	11.3	11.1	10.2	9.0	7.7	6.8	5.8	4.8	5.0	7.0	7.9	9.0
2018	10.8	10.2	10.4	9.3	6.3	5.8	5.4	5.5	5.5	8.0	8.2	M
2019	M	12.3	9.8	9.2	6.8	M	M	M	M	M	M	M
2020	M	M	M	M	M	6.0	5.2	6.0	6.0	7.1	10.0	10.2
2021	10.0	9.9	11.4	10.2	8.1	6.7	6.2	5.3	7.0	7.1	9.1	10.1
2022	11.5	13.9	12.8	14.1	8.3	6.8	5.9	5.7	6.7	M	10.6	15.5
2023	12.2	13.0	12.2	10.7	7.6	6.8	6.2	6.4	5.7	7.4	9.0	9.1
2024	10.3	8.7	10.2	9.2	8.5	8.0	5.7	5.6	5.9	6.9	9.6	9.5
2025	11.5	10.8	11.0	9.8	7.6	6.2	5.0	5.4	5.3	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	51.71	69.83	73.39	88.00	90.96	88.29	84.63	66.99	60.58	40.55
2006	50.54	42.97	55.45	69.53	71.40	76.33	81.84	82.03	65.87	63.24	52.07	47.07
2007	42.49	30.00	49.24	58.46	73.37	77.52	83.25	76.20	76.24	69.31	50.25	40.31
2008	39.20	39.52	49.86	62.21	66.51	80.87	83.01	79.54	74.22	60.29	48.37	39.21
2009	30.89	41.11	47.89	60.22	68.56	74.47	77.55	79.68	69.46	57.93	52.74	36.49
2010	33.12	32.07	52.04	65.15	69.85	78.93	85.88	80.98	75.73	61.82	50.65	32.59
2011	31.36	40.72	37.79	41.63	69.23	77.78	84.55	78.69	56.22	58.37	55.09	44.32
2012	39.84	42.75	57.79	59.18	72.58	71.01	80.87	78.57	70.13	58.33	38.27	40.43
2013	41.96	40.60	43.80	63.13	71.49	74.75	79.09	75.24	71.44	61.62	45.13	40.18
2014	30.84	32.59	40.67	57.97	68.56	76.14	78.28	74.72	68.41	60.44	45.38	39.59
2015	31.56	29.28	44.81	60.86	73.48	75.22	78.49	79.87	86.54	M	49.39	51.99
2016	35.72	39.55	55.25	55.78	70.94	77.20	82.80	82.98	M	64.49	55.00	39.65
2017	39.31	22.06	35.10	65.22	65.06	76.84	80.10	76.12	72.75	65.83	49.18	35.65
2018	34.52	45.69	40.40	54.29	73.14	74.28	79.73	79.35	72.57	60.72	45.05	M
2019	M	37.97	43.69	61.17	63.74	M	M	M	M	M	M	M
2020	M	M	55.40	M	M	58.92	75.20	80.29	68.74	62.80	55.54	40.15
2021	35.58	34.25	52.10	59.84	67.86	78.48	79.94	81.60	72.81	66.88	48.94	46.66
2022	33.18	M	40.75	57.23	69.30	76.62	80.28	81.02	72.80	M	47.49	38.52
2023	40.27	42.69	39.71	67.06	77.17	82.82	88.57	79.00	72.73	62.90	51.17	45.34
2024	37.64	44.63	52.16	61.13	69.35	80.37	83.68	78.77	70.57	64.79	52.39	38.32
2025	29.34	38.96	54.97	60.63	66.68	77.92	83.52	76.06	74.41	M	M	M
NCEI Climatology	38.90	42.52	51.80	65.20	73.09	79.80	83.60	81.30	74.90	65.10	53.49	42.99

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	32.60	45.72	49.01	65.32	69.09	69.58	62.87	50.03	38.87	24.54
2006	32.59	25.71	33.35	46.13	54.05	59.77	66.95	65.92	54.53	49.19	40.49	32.46
2007	26.65	15.36	31.35	42.00	53.18	59.74	63.54	62.34	57.17	52.82	34.68	28.25
2008	25.37	22.93	31.02	44.76	48.27	61.74	64.85	60.25	58.60	44.84	36.86	25.27
2009	17.67	24.36	31.23	42.47	52.89	59.26	60.83	64.74	56.05	44.24	40.53	24.43
2010	20.96	21.17	37.27	45.98	54.54	63.29	66.67	65.79	58.59	47.31	36.57	21.51
2011	20.72	25.60	12.31	31.34	54.75	61.66	68.49	63.97	42.54	46.34	41.52	32.61
2012	25.77	29.44	41.93	43.07	57.51	57.46	68.34	65.80	58.75	50.69	38.08	36.91
2013	40.71	32.69	42.36	47.88	54.57	61.65	65.97	61.83	54.51	48.84	31.26	27.30
2014	14.48	21.26	23.94	39.61	52.31	60.84	62.55	60.75	54.25	47.76	31.86	29.74
2015	19.16	12.43	27.06	42.40	56.88	61.30	64.21	63.14	69.08	M	35.86	40.38
2016	21.80	25.68	39.23	37.59	56.04	60.97	68.14	67.27	M	48.30	38.62	26.91
2017	27.96	11.14	35.10	49.26	50.25	60.84	65.30	61.26	57.22	50.96	34.69	24.13
2018	20.35	29.87	26.01	36.89	57.69	60.00	64.11	64.86	60.66	47.55	36.35	M
2019	M	29.04	29.71	44.45	52.18	M	M	M	M	M	M	M
2020	M	M	55.40	M	M	49.61	51.20	65.14	54.41	47.59	41.51	27.05
2021	25.15	22.45	34.49	41.99	49.60	62.38	64.35	66.33	58.29	52.23	34.35	33.26
2022	19.21	M	40.02	40.49	53.25	60.42	65.99	65.00	57.26	M	33.57	25.01
2023	31.41	35.67	37.71	44.91	50.96	59.41	67.74	63.19	57.80	48.88	35.37	33.69
2024	26.23	29.41	35.87	45.17	54.74	62.39	67.19	63.82	57.91	48.61	38.75	28.52
2025	18.48	23.75	35.71	44.07	51.91	62.80	67.95	60.36	56.65	M	M	M
NCEI Climatology	23.00	24.60	31.40	42.31	52.10	60.20	64.71	63.31	57.50	46.21	35.89	28.21

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	42.16	57.78	61.20	76.66	80.02	78.94	73.75	58.51	49.73	32.55
2006	41.57	34.34	44.40	57.83	62.72	68.05	74.40	73.97	60.20	56.21	46.28	39.77
2007	34.57	22.68	40.30	50.23	63.27	68.63	73.40	69.27	66.70	61.06	42.46	34.28
2008	32.29	31.23	40.44	53.48	57.39	71.30	73.93	69.90	66.41	52.57	42.62	32.24
2009	24.28	32.73	39.56	51.34	60.73	66.86	69.19	72.21	62.75	51.08	46.63	30.46
2010	27.04	26.62	44.65	55.57	62.20	71.11	76.27	73.38	67.16	54.56	43.61	27.05
2011	26.04	33.16	25.05	36.48	61.99	69.72	76.52	71.33	49.38	52.35	48.31	38.47
2012	32.81	36.10	49.86	51.12	65.04	64.23	74.60	72.18	64.44	54.51	38.17	38.67
2013	41.33	36.65	43.08	55.51	63.03	68.20	72.53	68.54	62.98	55.23	38.19	33.74
2014	22.66	26.92	32.31	48.79	60.44	68.49	70.41	67.74	61.33	54.10	38.62	34.67
2015	25.36	20.86	35.94	51.63	65.18	68.26	71.35	71.51	77.81	M	42.63	46.19
2016	28.76	32.61	47.24	46.69	63.49	69.09	75.47	75.12	M	56.39	46.81	33.28
2017	33.64	16.60	35.10	57.24	57.65	68.84	72.70	68.69	64.99	58.39	41.94	29.89
2018	27.43	37.78	33.20	45.59	65.41	67.14	71.92	72.10	66.62	54.13	40.70	M
2019	M	33.51	36.70	52.81	57.96	M	M	M	M	M	M	M
2020	M	M	55.40	M	M	54.27	63.20	72.71	61.58	55.20	48.53	33.60
2021	30.37	28.35	43.30	50.91	58.73	70.43	72.14	73.97	65.55	59.55	41.64	39.96
2022	26.19	M	40.39	48.86	61.28	68.52	73.14	73.01	65.03	M	40.53	31.77
2023	35.84	39.18	38.71	55.99	64.06	71.11	78.15	71.10	65.27	55.89	43.27	39.52
2024	31.93	37.02	44.02	53.15	62.05	71.38	75.44	71.30	64.24	56.70	45.57	33.42
2025	23.91	31.36	45.34	52.35	59.29	70.36	75.74	68.21	65.53	M	M	M
NCEI Climatology	30.95	33.56	41.60	53.76	62.60	70.00	74.15	72.31	66.20	55.65	44.69	35.60

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	57.1%	45.5%	53.3%	39.2%	41.8%	40.4%	24.9%	47.6%	44.4%	83.6%
2006	61.8%	52.5%	49.4%	53.5%	58.0%	76.1%	75.8%	65.0%	79.9%	71.5%	71.9%	63.5%
2007	68.6%	62.6%	60.1%	46.9%	28.8%	23.4%	22.0%	45.3%	64.7%	69.9%	67.3%	75.1%
2008	60.3%	72.1%	59.6%	64.6%	65.6%	68.0%	67.4%	66.2%	72.7%	61.2%	70.5%	70.0%
2009	63.8%	58.5%	61.0%	57.3%	69.2%	73.0%	69.7%	74.1%	75.8%	70.7%	67.8%	68.0%
2010	66.1%	68.4%	58.8%	51.1%	67.0%	66.1%	58.7%	67.0%	60.9%	61.1%	62.4%	63.5%
2011	63.8%	56.0%	63.2%	76.5%	71.2%	65.9%	62.0%	68.5%	82.7%	68.5%	61.4%	66.5%
2012	63.3%	62.6%	61.5%	51.9%	69.7%	65.7%	75.9%	70.6%	72.7%	72.5%	M	78.5%
2013	86.4%	86.1%	44.1%	53.6%	66.3%	73.6%	76.8%	76.1%	68.7%	70.2%	61.9%	67.1%
2014	61.4%	63.2%	55.6%	58.7%	62.8%	72.4%	71.7%	76.8%	73.4%	74.3%	61.6%	74.8%
2015	66.9%	56.6%	59.9%	55.7%	64.7%	79.6%	77.3%	67.7%	64.2%	M	67.0%	77.1%
2016	61.3%	65.9%	58.9%	57.8%	64.3%	68.3%	71.0%	77.0%	M	71.6%	61.8%	70.3%
2017	77.6%	55.8%	81.5%	66.9%	76.0%	71.0%	80.7%	81.7%	79.4%	76.5%	68.6%	69.0%
2018	70.1%	79.3%	67.8%	64.8%	76.7%	79.0%	76.7%	84.9%	91.4%	79.7%	76.7%	M
2019	M	65.1%	61.4%	67.1%	86.2%	M	M	M	M	M	M	M
2020	M	M	M	M	M	66.4%	71.7%	77.8%	72.7%	74.7%	63.1%	72.3%
2021	69.8%	72.2%	55.2%	59.4%	61.3%	71.9%	71.2%	76.0%	76.1%	80.8%	58.9%	61.3%
2022	64.4%	M	52.8%	59.2%	69.7%	62.0%	74.5%	75.4%	M	M	60.7%	69.0%
2023	76.1%	58.1%	78.5%	57.9%	50.6%	52.9%	65.0%	68.9%	75.0%	69.7%	59.5%	71.8%
2024	73.0%	64.4%	62.9%	64.4%	77.0%	65.5%	70.5%	75.4%	80.2%	63.1%	69.8%	74.1%
2025	64.8%	63.8%	54.7%	63.5%	76.1%	77.9%	80.1%	74.9%	65.8%	M	M	M