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 (USC00099466) 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
2000	M	M	M	M	M	M	M	M	M	0.00	0.00	0.00
2001	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2002	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2003	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2004	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2005	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2006	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2007	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2008	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2009	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2010	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2011	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	0.00	0.00	M	M	M	M	M
2017	M	M	M	M	M	M	0.00	M	0.00	3.71	1.63	3.29
2018	2.47	5.64	4.18	3.81	6.59	7.36	5.27	4.66	1.64	3.98	6.16	9.07
2019	5.66	4.82	2.16	5.05	0.92	1.25	1.43	0.07	0.63	3.60	2.67	4.65
2020	8.28	11.75	6.55	4.52	2.27	4.95	2.02	8.82	7.52	7.59	3.04	2.86
2021	3.17	3.60	1.25	0.21	1.67	1.24	0.23	1.85	0.54	2.25	0.40	2.76
2022	2.99	5.39	3.63	2.95	1.54	0.56	2.87	1.08	1.61	1.84	1.78	1.34
2023	3.70	0.00	1.82	2.05	1.07	1.59	1.92	0.73	0.39	1.04	1.37	3.86
2024	7.38	3.63	6.38	2.90	3.16	1.71	5.00	1.59	8.49	0.00	2.28	4.14
2025	2.83	4.89	2.47	3.93	5.63	4.53	5.55	4.48	1.08	2.85	1.25	1.62
2026	1.77	1.52	0.40	0.24	1.23	3.42	0.81	0.42	0.14	M	M	M
NCEI Climatology	5.04	4.57	5.19	4.27	4.17	4.60	4.13	4.87	4.27	3.43	4.04	2.49

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	M	M	M	M	M	M	M	M	M	3.6	5.9	7.0
2001	6.4	5.2	8.3	5.0	5.2	4.7	4.8	4.2	4.2	4.9	4.4	6.2
2002	5.3	6.4	6.5	5.8	5.0	5.5	5.0	4.3	5.5	4.8	5.9	7.8
2003	8.5	7.9	7.0	5.8	6.2	4.2	4.4	3.5	6.9	4.9	5.7	6.4
2004	7.3	7.0	6.8	7.0	5.5	4.6	4.7	3.8	9.0	4.7	4.9	5.8
2005	6.4	5.8	8.1	6.6	5.1	4.9	6.0	4.8	5.1	5.9	5.5	6.8
2006	8.1	6.5	6.7	6.8	6.0	4.0	4.4	4.5	4.7	5.2	5.7	6.7
2007	7.1	8.0	6.0	7.7	5.0	5.3	5.2	4.6	5.2	5.7	6.1	6.3
2008	7.3	7.1	7.0	5.8	5.3	4.2	3.4	5.6	5.2	6.2	5.4	6.0
2009	5.3	5.9	4.9	6.7	6.6	5.5	5.4	4.3	4.5	5.2	4.9	6.9
2010	7.8	7.9	6.1	4.9	4.8	4.4	4.4	4.1	4.0	4.4	6.8	8.0
2011	7.4	8.1	8.2	7.9	7.6	7.3	5.6	5.7	5.7	6.3	6.1	5.6
2012	7.2	6.0	6.5	6.7	4.4	4.8	4.3	2.7	3.6	4.8	4.5	5.3
2013	5.8	6.1	8.4	6.3	5.9	5.3	4.1	4.7	4.1	3.4	5.3	5.2
2014	6.3	6.7	7.0	7.1	4.9	4.1	5.2	4.5	4.7	4.5	6.1	4.6
2015	5.5	5.0	4.9	6.4	4.4	5.0	5.3	4.8	5.2	4.8	5.7	5.5
2016	7.4	8.2	6.8	7.0	6.5	5.9	5.2	4.7	4.2	5.1	5.5	7.2
2017	7.2	6.9	7.6	6.7	6.3	4.5	4.9	5.2	5.5	5.3	3.5	5.0
2018	5.6	6.0	6.7	6.6	4.3	4.2	3.8	4.0	3.8	4.7	5.7	5.6
2019	5.8	5.9	5.1	5.5	4.2	4.4	3.7	3.4	2.9	4.8	4.0	6.4
2020	5.3	5.6	5.2	5.3	4.7	4.6	3.5	3.4	5.2	4.2	4.9	5.6
2021	5.7	5.9	5.5	4.8	4.9	4.6	3.4	3.4	3.2	3.7	4.1	4.6
2022	5.7	5.7	6.5	4.9	5.3	4.0	4.3	3.3	4.0	3.9	5.3	5.5
2023	4.7	5.6	5.0	5.4	5.6	4.4	3.1	3.6	3.1	4.2	4.5	4.6
2024	5.9	5.0	5.7	5.5	3.8	4.1	4.2	3.7	5.6	3.3	5.2	5.5
2025	5.3	5.5	6.2	5.2	5.7	4.1	4.2	4.5	3.6	5.6	5.1	5.2
2026	6.3	6.3	5.9	5.3	4.8	4.8	4.6	3.6	3.2	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
2000	M	M	M	M	M	M	M	M	M	77.00	58.82	42.39
2001	50.58	58.36	58.19	73.22	79.09	81.62	84.84	84.84	77.66	69.80	68.90	57.26
2002	54.30	54.73	64.57	74.06	77.23	84.62	88.85	88.32	80.42	70.15	57.68	50.35
2003	47.91	52.91	63.41	69.98	75.95	82.16	85.13	86.06	80.06	71.02	66.86	51.28
2004	50.35	49.44	67.36	72.20	80.97	82.21	87.22	84.08	78.02	73.05	62.78	53.02
2005	57.55	54.82	59.29	70.04	76.07	84.95	82.98	87.63	83.83	72.94	64.34	50.81
2006	57.84	52.64	63.53	76.40	76.80	87.26	90.82	89.72	79.82	70.09	62.42	58.94
2007	53.48	53.41	69.57	67.14	81.24	88.34	84.49	94.22	84.98	75.49	63.27	56.74
2008	48.95	57.63	64.05	70.22	79.09	89.42	88.85	87.28	82.58	70.32	59.66	54.35
2009	50.37	56.81	62.96	70.64	76.76	88.76	86.12	86.96	79.16	69.63	64.52	48.72
2010	47.10	46.40	59.52	76.46	82.40	90.32	92.10	90.94	87.08	76.13	62.79	45.01
2011	47.24	58.04	62.14	75.98	81.76	89.09	91.23	91.75	81.32	70.03	64.70	59.06
2012	57.08	59.32	73.23	75.54	82.46	84.59	90.53	85.88	81.76	69.92	61.96	56.15
2013	56.15	53.53	56.45	70.64	75.43	83.96	84.20	83.33	81.56	72.65	59.18	54.06
2014	45.59	54.95	60.63	71.84	80.19	86.84	86.70	88.09	81.86	74.56	58.01	57.49
2015	50.06	47.60	64.86	72.28	82.34	86.96	90.26	88.38	80.48	71.31	63.86	63.22
2016	49.25	55.77	69.10	73.22	79.15	89.78	91.05	89.66	88.22	79.82	68.93	55.11
2017	59.52	63.50	65.68	75.82	79.21	83.54	89.08	86.78	82.21	74.39	65.53	53.03
2018	48.16	63.96	61.65	68.23	82.58	86.20	88.03	84.46	87.00	75.35	56.83	52.19
2019	53.32	60.29	63.77	74.87	84.97	84.97	89.55	89.51	91.10	76.45	62.13	57.87
2020	54.61	55.79	67.12	70.79	76.94	84.12	89.87	87.72	79.32	73.99	65.99	54.39
2021	52.32	55.40	67.10	71.71	78.12	85.24	87.18	86.45	79.38	72.52	62.51	62.31
2022	51.42	60.15	66.26	71.39	81.57	89.38	89.46	85.76	81.29	71.30	63.34	52.33
2023	57.60	63.18	66.37	71.21	76.10	82.75	89.59	88.23	81.93	73.41	63.03	56.33
2024	50.83	61.37	66.39	72.93	80.07	88.16	88.54	88.95	80.99	75.86	63.55	53.58
2025	47.23	60.46	68.02	75.57	76.62	85.31	90.32	81.76	82.78	66.75	66.14	57.10
2026	51.14	59.36	71.84	77.73	79.47	84.67	89.68	89.59	90.97	M	M	M
NCEI Climatology	53.91	57.63	66.00	73.60	80.50	86.70	89.40	88.60	83.00	73.62	63.80	55.39

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	M	M	M	M	M	M	M	M	M	56.12	40.58	28.75
2001	33.22	40.94	41.00	52.10	58.59	65.18	68.93	69.68	58.82	45.88	44.66	39.20
2002	34.50	35.40	47.00	55.88	56.68	66.50	70.61	68.46	66.26	57.20	40.28	34.61
2003	32.12	37.26	46.81	49.94	60.74	64.76	69.51	70.03	61.22	51.74	46.34	31.30
2004	31.94	34.86	45.06	48.02	62.67	68.25	69.39	66.14	62.78	57.08	46.10	32.12
2005	36.65	38.62	40.77	47.90	54.47	66.81	69.01	70.61	64.23	53.02	43.34	31.77
2006	38.62	36.24	43.32	53.84	59.80	65.12	69.45	71.43	61.58	49.77	42.08	37.86
2007	37.52	34.57	45.53	47.65	56.56	66.74	68.17	72.74	64.52	56.45	42.00	41.00
2008	33.57	36.59	41.41	50.06	58.25	67.40	68.87	68.46	63.62	49.88	38.30	41.00
2009	32.60	34.31	42.86	48.74	62.72	68.36	68.46	71.54	64.94	51.97	44.36	34.96
2010	29.85	31.10	40.19	50.30	62.95	70.88	71.77	73.40	64.22	50.52	43.82	29.15
2011	31.16	39.33	44.95	52.40	59.12	72.56	72.65	70.85	62.72	49.07	43.46	39.55
2012	37.11	41.37	53.14	56.77	60.68	64.65	72.16	67.40	62.47	52.16	40.58	41.87
2013	41.06	37.40	38.97	49.70	58.01	68.48	69.45	69.05	63.50	53.25	40.76	39.49
2014	26.95	36.69	40.19	50.84	58.71	67.82	68.23	67.36	67.22	52.85	37.34	39.03
2015	33.16	30.73	46.34	56.52	61.04	69.80	72.80	70.26	64.34	52.73	49.10	46.15
2016	33.10	38.08	47.91	51.92	58.19	69.20	72.12	72.47	66.20	55.64	46.03	41.06
2017	43.55	43.51	45.30	55.34	59.81	67.28	70.21	69.44	61.38	52.05	41.93	36.87
2018	28.13	45.54	39.60	46.86	62.58	68.03	69.71	68.29	68.77	54.32	38.67	37.77
2019	33.39	41.07	40.61	50.37	62.19	66.00	70.00	69.03	65.67	55.26	38.54	39.23
2020	39.07	39.32	49.18	47.75	55.35	65.95	71.10	70.18	64.60	55.57	48.32	36.27
2021	35.99	37.02	45.60	49.18	56.32	66.61	70.56	70.37	62.40	54.10	38.22	43.64
2022	32.19	37.26	44.47	47.85	60.88	68.69	71.12	70.14	61.92	47.51	44.47	36.87
2023	38.76	42.33	45.70	49.91	58.82	64.15	70.39	69.32	62.77	51.72	42.72	36.80
2024	30.91	38.18	46.28	52.39	61.77	68.07	72.41	69.11	65.59	52.75	48.91	36.33
2025	28.86	38.58	43.15	53.93	61.06	68.17	73.37	69.04	65.17	53.06	50.55	35.74
2026	34.86	36.82	48.29	55.68	59.50	68.56	72.35	70.93	70.44	M	M	M
NCEI Climatology	32.19	35.28	39.99	46.79	55.98	64.10	67.70	67.30	61.61	50.90	40.79	35.40

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	M	M	M	M	M	M	M	M	M	66.56	49.70	35.57
2001	41.90	49.65	49.59	62.66	68.84	73.40	76.88	77.26	68.24	57.84	56.78	48.23
2002	44.40	45.07	55.79	64.97	66.95	75.56	79.73	78.39	73.34	63.67	48.98	42.48
2003	40.01	45.08	55.11	59.96	68.35	73.46	77.32	78.05	70.64	61.38	56.60	41.29
2004	41.15	42.15	56.21	60.11	71.82	75.23	78.31	75.11	70.40	65.07	54.44	42.57
2005	47.10	46.72	50.03	58.97	65.27	75.88	75.99	79.12	74.03	62.98	53.84	41.29
2006	48.23	44.44	53.43	65.12	68.30	76.19	80.14	80.57	70.70	59.93	52.25	48.40
2007	45.50	43.99	57.55	57.40	68.90	77.54	76.33	83.48	74.75	65.97	52.63	48.87
2008	41.26	47.11	52.73	60.14	68.67	78.41	78.86	77.87	73.10	60.10	48.98	47.68
2009	41.43	45.56	52.82	59.69	69.74	78.56	77.29	79.25	72.05	60.80	54.44	41.84
2010	38.47	38.75	49.85	63.38	72.67	80.60	81.94	82.17	75.65	63.33	53.44	37.08
2011	39.20	48.68	53.54	64.19	70.44	80.82	81.94	81.30	72.02	59.55	54.08	49.30
2012	47.10	50.48	63.18	66.16	71.57	74.52	81.34	76.72	72.11	61.04	51.45	49.01
2013	48.61	45.46	47.71	60.17	66.72	76.22	76.83	76.19	72.53	62.95	49.97	46.78
2014	36.27	45.82	50.41	61.34	69.45	77.33	77.46	77.73	74.54	63.70	47.67	48.26
2015	41.61	39.17	55.60	64.40	71.69	78.38	81.53	79.32	72.41	62.02	56.48	54.69
2016	41.17	46.93	58.51	62.57	68.67	79.49	81.59	81.06	77.21	67.73	57.48	48.08
2017	51.54	53.50	55.49	65.58	69.51	75.41	79.64	78.11	71.80	63.22	53.73	44.95
2018	38.15	54.75	50.62	57.55	72.58	77.12	78.87	76.38	77.88	64.84	47.75	44.98
2019	43.35	50.68	52.19	62.62	73.58	75.48	79.77	79.27	78.38	65.85	50.33	48.55
2020	46.84	47.56	58.15	59.27	66.15	75.03	80.49	78.95	71.96	64.78	57.16	45.33
2021	44.16	46.21	56.35	60.44	67.22	75.92	78.87	78.41	70.89	63.31	50.36	52.97
2022	41.80	48.71	55.37	59.62	71.23	79.04	80.29	77.95	71.61	59.41	53.90	44.60
2023	48.18	52.76	56.04	60.56	67.46	73.45	79.99	78.77	72.35	62.56	52.87	46.56
2024	40.87	49.77	56.34	62.66	70.92	78.12	80.47	79.03	73.29	64.31	56.23	44.96
2025	38.05	49.52	55.59	64.75	68.84	76.74	81.84	75.40	73.97	59.90	58.34	46.42
2026	43.00	48.09	60.06	66.71	69.48	76.61	81.02	80.26	80.71	M	M	M
NCEI Climatology	43.05	46.45	53.00	60.20	68.24	75.40	78.55	77.95	72.30	62.26	52.29	45.40

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
2000	M	M	M	M	M	M	M	M	M	67.3%	70.5%	68.1%
2001	61.7%	65.5%	59.8%	61.2%	63.7%	75.5%	74.5%	76.4%	73.4%	64.8%	62.7%	64.8%
2002	68.1%	59.0%	68.9%	65.2%	69.8%	70.3%	73.1%	70.4%	80.0%	86.1%	74.7%	69.8%
2003	62.6%	68.3%	69.6%	69.8%	74.5%	71.5%	70.9%	71.4%	62.9%	62.6%	60.4%	58.2%
2004	56.3%	58.7%	49.6%	49.3%	56.3%	70.9%	74.9%	75.1%	77.0%	79.1%	73.0%	68.2%
2005	68.7%	72.1%	64.7%	63.8%	68.3%	73.7%	76.6%	79.0%	71.7%	75.3%	67.2%	69.5%
2006	70.7%	65.5%	59.9%	65.8%	67.3%	65.4%	69.8%	76.2%	78.7%	72.5%	68.9%	66.9%
2007	65.4%	54.9%	60.1%	59.2%	63.4%	66.4%	76.5%	67.8%	70.8%	73.2%	67.5%	70.0%
2008	63.9%	66.4%	63.6%	68.8%	68.4%	66.0%	71.6%	71.3%	72.3%	68.4%	65.4%	69.2%
2009	67.5%	59.5%	69.5%	65.5%	76.3%	69.6%	69.1%	71.6%	81.5%	80.4%	72.8%	71.8%
2010	64.5%	65.7%	68.1%	61.6%	71.5%	70.1%	70.9%	75.9%	65.5%	60.9%	68.1%	60.9%
2011	67.0%	63.1%	67.8%	62.2%	64.2%	64.1%	72.1%	61.8%	65.9%	63.1%	67.7%	69.0%
2012	65.8%	66.7%	62.7%	55.8%	70.2%	67.2%	71.9%	76.9%	72.3%	68.1%	62.6%	67.7%
2013	64.6%	60.0%	52.6%	59.8%	62.8%	69.2%	73.2%	71.5%	67.2%	64.8%	55.4%	63.5%
2014	53.6%	58.0%	55.6%	57.6%	60.6%	64.5%	60.8%	62.8%	68.0%	61.6%	51.6%	62.8%
2015	55.2%	50.7%	62.7%	65.2%	61.2%	63.8%	62.9%	64.6%	64.3%	62.7%	66.3%	67.6%
2016	61.9%	63.4%	66.8%	60.4%	68.2%	66.3%	74.6%	78.1%	68.4%	62.7%	59.0%	64.2%
2017	65.4%	64.1%	60.2%	69.3%	71.2%	76.3%	78.2%	77.2%	71.4%	74.9%	76.1%	73.1%
2018	62.6%	79.1%	62.0%	61.9%	74.8%	77.2%	78.8%	82.3%	80.6%	77.1%	81.1%	81.0%
2019	73.3%	77.4%	63.0%	70.0%	73.7%	77.9%	77.1%	78.2%	71.0%	80.3%	72.1%	74.5%
2020	77.3%	82.3%	83.3%	69.2%	75.8%	81.3%	78.0%	83.6%	83.7%	84.5%	75.1%	76.0%
2021	69.8%	72.4%	64.7%	60.9%	69.3%	76.6%	79.2%	82.8%	83.3%	82.5%	66.4%	81.0%
2022	69.5%	67.4%	63.7%	65.9%	72.8%	70.5%	80.1%	83.8%	74.1%	69.2%	72.1%	75.8%
2023	76.1%	73.8%	64.5%	70.5%	73.1%	75.3%	76.0%	79.0%	76.5%	72.7%	67.0%	71.8%
2024	70.8%	60.8%	67.1%	69.0%	76.8%	67.8%	78.1%	71.5%	77.8%	72.0%	83.2%	72.4%
2025	62.6%	70.4%	59.3%	72.3%	81.3%	84.5%	78.1%	84.7%	74.0%	72.4%	67.1%	75.2%
2026	71.8%	65.3%	66.7%	63.2%	72.3%	78.9%	84.4%	77.8%	72.3%	M	M	M