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 (USW00003937) 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	5.16	6.63	4.26	1.95	6.52	0.75	4.57
2007	3.49	0.11	1.74	1.45	3.77	2.65	4.71	3.08	3.76	0.00	0.00	0.00
2008	0.00	0.00	0.44	1.09	1.82	2.89	1.38	4.83	1.73	0.72	1.61	1.65
2009	0.45	1.46	3.38	4.02	0.71	0.42	5.24	4.16	3.76	6.68	1.42	5.21
2010	2.17	3.57	0.66	0.36	1.82	2.64	2.60	0.81	1.03	0.84	3.09	0.41
2011	3.12	1.30	1.72	0.10	0.01	2.20	3.99	1.20	4.33	0.33	2.22	3.57
2012	7.77	7.31	7.48	2.95	3.55	2.65	10.10	5.26	4.17	0.37	2.29	3.81
2013	8.52	4.72	0.96	4.51	12.55	4.99	1.13	1.70	9.96	2.76	2.66	2.18
2014	1.56	4.91	0.46	0.04	0.03	0.05	0.06	5.00	2.18	1.91	4.79	2.29
2015	5.29	0.91	2.95	6.47	3.56	2.86	0.39	3.01	3.38	10.08	4.30	4.66
2016	4.46	2.02	3.10	12.16	15.52	7.90	4.42	15.96	5.94	0.15	1.49	0.62
2017	M	0.64	0.58	0.77	4.51	9.28	5.74	5.01	0.06	M	M	M
2018	M	M	0.07	M	M	M	M	2.84	12.15	6.20	4.13	6.83
2019	5.17	1.97	0.63	7.54	8.38	4.92	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	0.12	3.61	2.99
2021	1.77	1.84	2.96	4.36	11.10	5.83	6.49	5.22	7.55	1.21	1.29	1.45
2022	1.61	0.37	4.83	0.64	2.69	2.54	4.45	7.50	0.60	1.73	6.28	5.69
2023	4.70	1.61	1.08	6.67	3.27	1.68	5.21	0.01	1.56	1.19	3.77	1.87
2024	10.26	1.78	3.52	4.84	11.02	4.25	9.35	4.18	1.29	0.13	2.42	4.50
2025	3.04	3.92	1.79	0.85	9.31	5.24	5.48	6.82	0.92	2.63	1.15	3.06
2026	3.59	0.90	1.22	1.27	6.28	0.14	3.21	0.55	M	M	M	M
NCEI Climatology	5.89	3.37	3.67	4.44	5.40	6.54	5.69	6.19	5.18	4.80	4.13	4.56

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	7.4	0.0	0.0
2007	7.3	7.6	7.6	7.5	6.8	5.3	4.2	3.8	4.2	6.1	5.8	7.4
2008	8.1	9.0	10.2	8.7	8.6	7.0	4.4	4.6	7.4	4.9	6.0	9.1
2009	7.1	9.2	8.4	10.0	7.0	6.2	4.9	3.6	4.3	7.8	5.4	7.4
2010	7.4	7.4	7.4	8.8	7.5	5.5	5.4	4.4	5.5	5.9	8.2	8.7
2011	7.4	9.5	8.7	12.0	10.9	7.8	4.6	4.7	6.6	5.2	8.3	6.9
2012	7.9	8.0	8.6	8.2	5.6	5.4	4.2	5.6	4.5	5.8	5.2	7.3
2013	7.5	7.6	8.0	8.9	8.8	5.0	5.6	4.8	4.8	5.1	7.0	7.0
2014	8.0	7.8	7.9	9.2	8.4	6.7	3.8	4.4	4.5	5.3	7.8	6.5
2015	6.6	7.5	6.6	7.0	7.9	5.5	5.5	4.2	4.1	7.0	6.9	7.5
2016	4.9	0.0	9.3	8.2	6.8	4.7	5.0	4.1	4.2	4.5	6.1	8.0
2017	8.2	8.8	8.8	8.9	8.1	7.6	3.6	6.2	4.4	6.0	5.9	6.2
2018	6.7	9.5	8.4	7.9	5.6	6.4	3.9	4.7	4.2	6.9	6.5	7.1
2019	6.9	8.2	7.4	8.8	9.2	6.1	5.4	3.9	5.2	6.1	6.1	6.2
2020	7.0	7.5	9.0	7.6	7.6	6.3	6.0	4.1	M	6.7	6.0	7.3
2021	7.5	8.3	9.2	8.4	8.5	6.6	3.7	4.6	5.3	3.6	0.0	1.2
2022	7.5	7.6	8.6	9.8	8.1	5.4	4.7	4.5	3.9	5.2	6.6	6.6
2023	8.0	8.5	8.8	8.2	5.4	6.0	4.9	6.0	4.2	6.4	5.8	5.9
2024	8.0	7.9	7.2	9.2	7.6	5.4	4.0	3.4	4.8	5.4	6.8	6.4
2025	8.0	7.5	8.8	10.0	7.4	5.4	3.7	3.2	3.5	5.1	5.8	6.1
2026	6.9	7.0	8.2	9.0	6.5	5.3	5.7	5.5	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	90.28	88.26	90.59	86.36	79.47	66.67	62.37
2007	57.20	61.96	72.82	74.30	83.68	88.94	88.44	91.98	87.80	82.11	71.42	67.94
2008	59.35	68.81	71.72	77.72	85.07	91.52	92.74	90.99	87.40	81.30	72.98	66.26
2009	66.08	69.61	72.99	78.56	85.59	93.68	93.32	91.98	86.66	79.67	71.30	58.88
2010	58.83	57.07	68.06	79.70	88.55	92.36	93.08	94.83	92.18	85.13	71.78	63.50
2011	60.74	64.34	75.03	82.04	86.07	94.58	91.28	98.60	88.58	82.28	73.46	64.28
2012	68.00	65.64	76.77	80.36	86.52	91.34	89.83	91.40	88.34	80.95	73.04	68.23
2013	63.70	67.36	69.92	75.08	82.36	91.47	92.80	93.29	91.44	81.02	68.30	61.13
2014	59.28	62.28	67.83	77.93	83.91	89.02	90.92	91.91	88.72	83.64	67.71	65.95
2015	59.98	62.43	73.63	79.90	85.72	91.13	94.97	93.95	89.43	82.89	74.98	69.88
2016	62.56	69.56	76.16	79.48	83.68	90.20	93.22	91.95	90.82	85.58	76.34	67.28
2017	69.29	74.22	76.03	81.12	83.18	88.02	91.43	89.00	89.28	83.56	75.18	63.87
2018	58.26	72.41	75.38	76.71	89.51	91.37	93.03	92.61	88.01	81.69	67.35	64.32
2019	61.49	68.14	70.30	76.91	84.70	89.60	90.37	91.77	91.81	81.15	70.06	68.16
2020	65.71	66.46	77.85	79.89	84.14	89.86	91.68	93.09	M	78.29	78.16	65.90
2021	64.53	61.91	75.54	78.68	84.25	91.70	93.86	91.82	86.96	83.50	70.89	74.35
2022	63.79	65.60	72.84	80.96	88.31	92.54	92.29	90.80	89.89	81.45	70.02	66.26
2023	67.46	69.43	76.16	77.31	85.86	92.17	94.75	99.37	94.77	82.08	70.26	67.25
2024	61.42	70.19	73.77	79.70	85.87	91.36	88.64	94.13	89.52	86.15	78.02	67.29
2025	57.55	68.35	76.59	81.03	84.48	90.44	92.60	92.71	91.14	85.59	76.83	67.57
2026	63.94	73.17	78.33	81.67	83.84	88.64	92.49	92.80	M	M	M	M
NCEI Climatology	63.00	66.79	73.11	79.00	85.40	90.51	92.19	92.80	89.40	82.10	72.21	65.29

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	M	M	M	M	70.25	73.86	74.10	68.36	61.93	50.27	44.66
2007	43.55	42.86	54.88	56.12	68.29	73.76	74.79	76.42	71.36	60.74	53.36	47.85
2008	42.22	47.95	53.14	59.54	69.68	75.32	75.43	75.78	69.80	57.14	49.64	47.15
2009	43.61	49.81	54.35	59.84	69.16	74.48	76.19	76.59	71.66	63.94	50.84	42.68
2010	40.13	40.16	47.56	60.56	70.73	77.06	77.52	78.05	72.86	57.95	51.14	43.56
2011	41.90	45.63	55.63	63.50	68.60	74.84	65.42	74.15	67.58	53.72	50.78	45.65
2012	47.79	51.55	60.16	63.08	68.00	72.98	74.56	76.01	69.14	57.61	47.60	47.39
2013	45.65	48.59	47.15	56.18	65.79	74.11	73.73	74.68	72.84	62.03	48.51	43.04
2014	35.11	44.50	48.48	59.02	64.38	74.35	74.03	75.45	72.62	60.89	47.01	48.21
2015	40.11	42.02	54.85	64.45	69.87	74.14	75.86	73.09	71.47	63.24	57.79	52.39
2016	42.36	46.77	58.89	61.90	68.45	75.44	78.05	76.72	74.23	63.47	55.48	51.54
2017	51.75	56.38	58.43	62.67	66.20	74.55	76.69	76.52	70.32	62.20	54.94	44.76
2018	38.22	58.26	56.91	55.47	69.91	75.62	75.45	75.28	75.07	65.75	49.64	47.31
2019	48.45	56.51	53.21	59.76	71.61	73.78	75.77	77.28	74.60	62.10	47.80	46.11
2020	48.48	47.84	63.01	60.39	67.11	73.54	77.03	74.71	M	54.99	53.16	43.90
2021	44.25	42.00	54.88	59.28	68.27	75.24	75.67	75.99	70.23	64.57	48.58	57.15
2022	39.35	41.41	48.82	61.75	70.75	75.68	76.38	76.22	69.80	56.95	51.63	48.32
2023	49.98	52.41	58.54	60.63	68.46	75.15	76.83	77.79	72.54	61.49	51.65	45.50
2024	40.98	50.33	56.13	62.90	72.30	75.33	77.20	76.89	71.55	61.32	58.68	47.51
2025	43.93	49.38	55.42	64.34	69.03	75.69	75.97	75.31	70.93	63.09	53.96	47.80
2026	42.55	51.02	57.99	66.22	67.62	75.28	75.54	76.35	M	M	M	M
NCEI Climatology	43.40	47.19	53.11	59.30	67.30	73.69	75.61	75.10	70.71	60.40	50.60	45.30

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	80.26	81.06	82.34	77.36	70.70	58.47	53.51
2007	50.38	52.41	63.85	65.21	75.98	81.35	81.62	84.20	79.58	71.43	62.39	57.90
2008	50.78	58.38	62.43	68.63	77.38	83.42	84.08	83.39	78.60	69.22	61.31	56.71
2009	54.85	59.71	63.67	69.20	77.38	84.08	84.75	84.29	79.16	71.80	61.07	50.78
2010	49.48	48.62	57.81	70.13	79.64	84.71	85.30	86.44	82.52	71.54	61.46	53.53
2011	51.32	54.98	65.33	72.77	77.33	84.71	78.35	86.38	78.08	68.00	62.12	54.96
2012	57.90	58.60	68.46	71.72	77.26	82.16	82.20	83.71	78.74	69.28	60.32	57.81
2013	54.67	57.97	58.54	65.63	74.08	82.79	83.27	83.99	82.14	71.53	58.40	52.08
2014	47.20	53.39	58.15	68.47	74.15	81.69	82.47	83.68	80.67	72.26	57.36	57.08
2015	50.04	52.22	64.24	72.18	77.79	82.63	85.42	83.52	80.45	73.07	66.39	61.13
2016	52.46	58.17	67.53	70.69	76.07	82.82	85.63	84.33	82.53	74.52	65.91	59.41
2017	60.52	65.30	67.23	71.90	74.69	81.28	84.06	82.76	79.80	72.88	65.06	54.31
2018	48.24	65.33	66.15	66.09	79.71	83.50	84.24	83.95	81.54	73.72	58.49	55.82
2019	54.97	62.32	61.75	68.33	78.15	81.69	83.07	84.53	83.21	71.62	58.93	57.14
2020	57.10	57.15	70.43	70.14	75.63	81.70	84.36	83.90	M	66.64	65.66	54.90
2021	54.39	51.96	65.21	68.98	76.26	83.47	84.76	83.90	78.60	74.03	59.74	65.75
2022	51.57	53.51	60.83	71.36	79.53	84.11	84.34	83.51	79.85	69.20	60.82	57.29
2023	58.72	60.92	67.35	68.97	77.16	83.66	85.79	88.58	83.66	71.79	60.96	56.38
2024	51.20	60.26	64.95	71.30	79.08	83.34	82.92	85.51	80.53	73.74	68.35	57.40
2025	50.74	58.86	66.00	72.69	76.75	83.06	84.29	84.01	81.03	74.34	65.39	57.69
2026	53.24	62.09	68.16	73.95	75.73	81.96	84.01	84.57	M	M	M	M
NCEI Climatology	53.20	56.99	63.11	69.15	76.35	82.10	83.90	83.95	80.05	71.25	61.40	55.30

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	80.1%	84.0%	79.4%
2007	85.0%	82.9%	79.6%	78.6%	91.0%	93.3%	94.3%	92.0%	80.2%	71.9%	78.2%	79.9%
2008	76.7%	76.6%	74.6%	73.9%	76.1%	74.7%	75.2%	79.4%	72.7%	72.3%	74.5%	80.6%
2009	78.3%	75.9%	78.9%	74.0%	76.4%	72.0%	78.8%	78.5%	82.7%	84.3%	80.2%	82.5%
2010	77.9%	79.6%	74.7%	74.8%	74.0%	79.1%	79.6%	77.8%	74.6%	66.9%	81.5%	72.6%
2011	77.2%	83.3%	78.5%	75.3%	72.5%	72.7%	77.9%	75.3%	77.9%	72.6%	77.7%	83.6%
2012	80.9%	84.5%	84.6%	79.5%	78.5%	76.6%	83.1%	81.4%	79.8%	77.8%	75.4%	81.0%
2013	85.2%	77.6%	71.1%	80.2%	77.4%	76.9%	74.3%	75.9%	78.3%	81.9%	74.5%	81.7%
2014	71.4%	85.4%	80.4%	76.1%	75.4%	79.8%	78.3%	79.7%	80.5%	76.3%	73.4%	85.1%
2015	77.8%	75.8%	82.7%	83.5%	80.5%	77.4%	74.2%	74.0%	76.8%	70.1%	78.6%	80.9%
2016	75.3%	70.5%	76.3%	75.7%	77.6%	79.0%	76.7%	81.6%	77.5%	73.1%	72.0%	78.0%
2017	77.3%	79.9%	76.4%	76.0%	76.5%	81.2%	79.4%	83.9%	72.3%	70.6%	75.9%	79.8%
2018	67.2%	86.1%	69.3%	70.3%	72.5%	76.3%	75.4%	75.2%	84.6%	80.4%	80.3%	79.4%
2019	75.8%	81.8%	72.5%	76.4%	78.1%	75.4%	79.1%	80.6%	75.9%	78.1%	73.4%	75.2%
2020	79.9%	80.0%	80.8%	73.7%	75.2%	73.8%	79.9%	72.8%	M	74.4%	69.3%	75.5%
2021	72.5%	77.6%	74.4%	71.1%	76.9%	77.3%	78.4%	77.9%	77.9%	74.5%	76.1%	85.2%
2022	68.3%	75.1%	70.9%	71.2%	75.1%	74.7%	80.1%	82.9%	71.0%	66.8%	77.7%	80.1%
2023	80.0%	84.1%	74.3%	75.2%	76.9%	77.8%	76.9%	68.0%	70.0%	73.3%	76.8%	72.3%
2024	74.2%	75.2%	79.2%	78.2%	83.6%	78.6%	85.8%	74.7%	77.4%	66.8%	76.1%	74.8%
2025	69.1%	81.8%	71.0%	76.9%	80.5%	78.7%	79.2%	79.3%	71.1%	68.7%	74.1%	80.3%
2026	72.5%	74.3%	74.2%	73.7%	78.6%	77.0%	80.3%	78.3%	M	M	M	M