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 (USC00341684) 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
2001	M	M	0.00	0.98	6.61	2.07	1.12	1.96	5.02	1.72	1.26	0.48
2002	1.60	0.06	0.94	2.38	0.02	0.00	0.00	0.00	0.00	0.00	0.16	0.03
2003	0.00	0.00	0.00	0.07	0.12	0.05	0.00	0.95	1.41	0.09	0.00	0.00
2004	0.00	0.00	0.04	0.00	0.00	0.09	1.18	0.93	0.00	7.76	7.85	1.44
2005	3.96	4.14	0.96	0.95	0.00	9.38	1.72	6.63	2.22	1.04	0.01	0.23
2006	0.02	0.01	0.13	0.07	0.00	1.46	0.00	0.00	0.00	0.04	0.00	0.00
2007	0.00	0.00	0.00	0.00	0.00	0.00	0.14	0.00	0.01	0.02	0.00	0.00
2008	0.00	0.00	0.00	0.04	0.01	0.06	0.00	0.00	M	0.00	0.00	0.10
2009	0.02	0.09	0.03	0.02	0.00	0.00	0.00	0.00	0.03	0.00	0.00	0.00
2010	0.00	0.00	0.00	0.08	0.00	0.22	0.00	0.01	0.01	0.06	0.01	0.00
2011	0.00	0.00	0.00	0.00	0.13	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	0.01
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.04	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	0.07	0.06	M
2017	M	M	3.18	10.65	4.13	1.91	2.73	5.58	2.62	4.65	0.11	0.64
2018	0.25	3.33	1.96	1.68	0.13	0.17	0.02	0.02	0.14	0.13	0.38	2.60
2019	3.02	0.45	2.28	4.41	10.47	1.74	0.66	0.03	0.03	0.03	0.96	1.55
2020	3.31	0.51	4.96	2.21	2.64	0.57	4.48	1.66	3.61	2.00	0.66	2.53
2021	1.87	0.25	2.66	3.99	6.12	10.42	1.88	0.34	2.75	3.77	0.77	0.55
2022	0.41	1.24	1.92	2.48	8.53	3.45	2.34	1.81	0.52	1.61	2.33	2.21
2023	1.00	1.84	3.87	2.48	2.97	2.74	5.02	2.43	3.43	4.76	0.58	1.99
2024	1.03	1.47	1.24	2.68	6.35	2.66	3.00	2.18	1.33	0.14	6.40	0.79
2025	0.44	0.25	0.87	9.69	5.57	6.68	1.37	M	M	M	M	M
NCEI Climatology	1.21	1.58	2.81	3.70	4.65	4.77	3.15	3.13	3.43	3.49	2.35	1.85

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	9.9	11.1	8.2	8.2	7.8	5.8	5.5	8.1	8.5	8.3
2002	9.0	9.4	11.1	10.1	9.1	7.4	6.4	6.9	5.0	6.3	7.8	7.6
2003	8.5	8.1	8.6	11.2	7.7	6.6	7.5	5.9	6.9	6.7	9.0	10.3
2004	8.2	8.6	9.6	9.1	10.7	6.9	6.3	6.3	6.4	7.0	7.4	8.6
2005	7.5	7.2	9.4	10.4	7.3	7.4	6.0	5.4	6.6	7.4	10.1	8.4
2006	10.3	8.6	10.0	10.9	8.3	7.5	7.5	6.6	6.6	8.5	8.3	8.3
2007	7.9	9.7	9.2	8.9	7.2	6.9	4.8	6.5	5.9	7.9	7.7	6.8
2008	10.6	9.6	11.1	11.7	10.6	12.4	7.1	5.4	M	8.3	9.4	10.7
2009	9.4	11.1	11.8	11.6	7.2	5.8	7.3	7.4	6.2	9.3	8.2	10.0
2010	7.4	7.4	11.2	10.7	7.3	4.5	6.7	6.7	7.5	6.8	5.6	10.3
2011	7.7	9.9	10.0	11.9	11.0	10.7	7.4	7.5	6.9	7.8	10.4	7.9
2012	9.6	8.5	9.7	8.4	8.8	7.4	6.9	7.1	5.9	8.0	7.8	8.9
2013	7.7	8.2	8.8	9.5	7.9	5.9	4.9	5.7	5.7	7.9	8.9	7.0
2014	10.2	8.6	10.2	10.9	9.6	8.6	6.4	6.4	6.7	7.4	9.6	7.4
2015	7.4	8.4	6.4	6.9	5.8	5.5	5.8	4.4	3.9	2.2	5.6	5.1
2016	4.4	6.4	7.1	5.4	4.0	1.4	3.0	1.6	1.7	4.2	3.3	3.4
2017	4.4	4.5	11.0	9.1	7.6	7.4	6.0	5.4	6.3	8.7	8.1	8.3
2018	9.9	8.7	9.9	11.1	7.6	7.8	4.7	6.4	5.6	6.6	8.3	8.6
2019	9.0	9.4	9.1	9.3	7.4	6.3	6.3	5.8	7.0	9.0	8.1	8.1
2020	9.0	9.3	8.8	8.8	7.4	8.2	6.4	5.9	5.7	7.3	9.0	8.2
2021	7.9	7.5	10.1	9.3	6.4	5.9	5.0	6.5	6.8	8.1	8.1	8.3
2022	8.8	9.8	10.3	11.4	9.3	6.5	6.7	5.9	6.0	7.0	9.6	9.5
2023	9.5	10.3	10.8	10.8	7.0	6.8	7.6	7.0	7.6	9.1	8.2	9.5
2024	8.3	10.2	10.8	11.5	8.2	8.6	7.6	8.0	7.0	9.0	9.0	8.7
2025	8.7	9.4	12.5	11.0	8.0	8.3	6.0	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
2001	M	M	60.80	78.45	84.31	106.65	97.03	95.63	82.58	72.55	64.10	53.26
2002	51.67	53.69	58.47	71.44	76.65	87.35	91.83	93.60	87.99	66.22	60.83	54.68
2003	50.77	47.38	62.15	74.63	84.10	87.80	99.24	94.95	78.65	75.78	62.11	55.10
2004	50.90	50.34	66.71	71.43	82.19	83.69	87.75	86.49	87.79	75.72	59.81	54.98
2005	49.01	57.01	63.31	72.92	80.31	93.49	93.06	93.84	89.06	75.20	68.18	50.46
2006	61.15	53.99	66.37	80.99	82.52	91.10	97.03	97.32	83.18	73.57	63.20	52.50
2007	50.93	52.07	70.50	67.04	77.93	83.36	88.15	92.15	83.90	75.72	64.59	50.58
2008	50.66	53.15	64.11	69.80	84.42	89.60	93.26	90.15	M	71.24	64.52	52.85
2009	49.47	61.12	66.94	72.50	77.17	98.86	91.92	89.66	80.90	63.08	65.60	37.40
2010	43.96	43.89	61.09	73.46	78.92	89.00	91.57	96.63	86.66	78.51	64.62	49.17
2011	51.04	53.34	64.57	77.42	78.92	96.56	105.51	103.48	86.54	75.84	61.16	51.16
2012	56.97	54.66	71.60	74.42	83.91	91.28	101.79	97.55	87.68	73.52	68.72	56.15
2013	55.11	55.08	62.19	68.78	77.75	89.42	91.75	91.40	89.80	73.92	59.42	48.61
2014	51.28	50.19	62.37	74.72	84.03	87.98	89.89	94.54	85.40	79.26	58.64	50.29
2015	52.05	49.81	66.03	74.42	77.12	88.28	91.40	85.07	86.00	73.57	60.86	55.34
2016	46.98	59.31	65.56	71.24	74.79	88.28	91.17	90.88	86.12	78.57	67.34	49.65
2017	53.31	61.13	69.11	72.93	79.89	87.66	93.11	87.00	84.62	74.72	64.83	50.61
2018	49.89	53.20	65.39	67.93	86.28	88.71	92.04	89.48	82.63	70.60	57.97	50.69
2019	47.71	46.50	58.79	73.56	77.67	85.45	91.47	89.82	89.21	69.65	60.12	54.97
2020	53.54	53.39	67.38	71.13	76.45	90.39	91.25	90.78	80.97	72.96	67.06	53.89
2021	49.60	41.18	67.67	70.27	74.54	87.23	90.41	92.66	90.40	74.48	63.78	64.18
2022	51.51	53.28	64.69	74.04	79.66	88.71	99.75	94.48	89.68	76.74	58.39	50.71
2023	54.03	56.51	61.39	71.70	79.07	88.48	92.03	94.48	89.34	73.28	65.35	56.75
2024	42.51	62.88	68.38	75.72	81.42	90.96	92.08	95.12	88.27	83.05	65.00	55.38
2025	45.78	50.85	70.79	72.83	77.81	87.34	86.20	M	M	M	M	M
NCEI Climatology	52.20	57.03	66.10	74.30	81.09	90.60	94.60	94.60	86.60	76.29	64.10	53.91

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	48.20	56.83	45.78	72.06	76.61	72.77	61.18	49.37	45.03	33.75
2002	29.24	30.01	35.05	51.81	57.95	67.40	71.60	72.12	63.32	49.66	38.86	35.12
2003	28.35	28.18	37.05	51.20	62.08	67.33	75.32	71.59	59.27	51.45	42.01	33.34
2004	29.61	30.58	45.74	50.97	60.87	67.19	70.44	66.42	62.27	54.84	42.83	31.94
2005	29.68	36.82	40.37	50.26	59.18	68.96	71.06	72.41	64.88	51.74	40.94	28.34
2006	36.53	30.46	44.08	55.72	61.48	66.62	71.89	73.57	58.10	49.77	40.52	32.81
2007	27.76	30.91	49.94	47.12	61.96	67.70	70.61	72.88	64.04	53.31	40.88	29.84
2008	28.16	30.39	39.66	48.48	65.53	71.38	72.34	70.56	M	42.08	40.40	28.46
2009	26.27	37.01	44.66	49.16	58.71	74.43	72.41	69.39	61.88	46.54	44.48	24.20
2010	26.77	28.34	40.59	52.34	58.77	72.20	73.28	72.47	64.88	49.36	41.45	34.35
2011	25.35	29.56	42.16	51.80	57.08	70.94	76.13	75.03	57.02	50.75	39.98	32.12
2012	32.06	35.04	49.88	54.62	62.72	69.92	75.66	71.66	65.00	50.70	41.54	35.54
2013	32.70	33.35	39.37	46.58	58.59	69.92	70.85	71.78	65.27	52.55	39.68	28.63
2014	27.24	28.91	36.99	49.16	60.68	70.28	69.92	71.66	64.40	55.75	36.44	37.98
2015	31.19	28.34	43.67	53.54	59.52	63.68	71.48	49.19	63.08	49.94	39.56	34.09
2016	27.99	35.35	42.97	49.04	55.40	67.16	71.19	68.93	62.24	54.76	44.36	28.40
2017	30.84	38.40	44.86	51.38	56.31	66.89	71.29	67.64	62.08	50.89	41.35	31.15
2018	25.28	28.86	41.01	41.10	63.77	68.98	70.82	69.28	65.28	50.54	32.37	30.98
2019	34.00	35.08	37.06	50.39	58.25	65.73	69.79	71.38	69.74	45.34	34.69	33.55
2020	32.21	30.78	45.59	46.61	56.85	66.82	71.54	67.06	59.60	47.91	42.15	30.12
2021	30.31	20.84	43.30	46.89	56.81	66.66	69.55	70.10	63.58	53.18	39.91	39.10
2022	24.19	26.78	38.21	49.05	60.81	68.09	72.83	70.26	61.94	48.54	37.06	29.95
2023	30.95	33.26	39.12	46.51	58.95	65.79	70.33	70.51	64.22	51.00	39.95	35.03
2024	23.22	38.19	43.55	51.56	60.85	69.51	70.28	71.36	61.65	54.68	42.83	35.66
2025	23.46	26.67	44.36	52.10	57.13	67.91	70.29	M	M	M	M	M
NCEI Climatology	24.90	27.83	36.49	45.80	56.30	65.59	70.00	68.20	60.41	47.69	36.40	27.30

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	M	54.50	67.64	65.04	86.40	86.82	84.20	71.88	60.96	54.57	43.51
2002	40.45	41.85	46.76	61.63	67.30	77.38	81.72	82.86	75.65	57.94	49.84	44.90
2003	39.56	37.78	49.60	62.91	73.09	77.56	87.28	83.27	68.96	63.61	52.06	44.22
2004	40.26	40.46	56.23	61.20	71.53	75.44	79.09	76.45	75.03	65.28	51.32	43.46
2005	39.35	46.91	51.84	61.59	69.75	81.23	82.06	83.13	76.97	63.47	54.56	39.40
2006	48.84	42.22	55.23	68.35	72.00	78.86	84.46	85.45	70.64	61.67	51.86	42.65
2007	39.35	41.49	60.22	57.08	69.95	75.53	79.38	82.52	73.97	64.52	52.73	40.21
2008	39.41	41.77	51.89	59.14	74.98	80.49	82.80	80.36	M	56.66	52.46	40.65
2009	37.87	49.07	55.80	60.83	67.94	86.64	82.17	79.53	71.39	54.81	55.04	30.80
2010	35.37	36.11	50.84	62.90	68.84	80.60	82.43	84.55	75.77	63.94	53.04	41.76
2011	38.20	41.45	53.37	64.61	68.00	83.75	90.82	89.25	71.78	63.30	50.57	41.64
2012	44.51	44.85	60.74	64.52	73.31	80.60	88.73	84.61	76.34	62.11	55.13	45.85
2013	43.90	44.21	50.78	57.68	68.17	79.67	81.30	81.59	77.53	63.24	49.55	38.62
2014	39.26	39.55	49.68	61.94	72.35	79.13	79.90	83.10	74.90	67.51	47.54	44.14
2015	41.62	39.07	54.85	63.98	68.32	75.98	81.44	67.13	74.54	61.76	50.21	44.72
2016	37.49	47.33	54.27	60.14	65.10	77.72	81.18	79.90	74.18	66.66	55.85	39.03
2017	42.07	49.77	56.99	62.15	68.10	77.27	82.20	77.32	73.35	62.81	53.09	40.88
2018	37.58	41.03	53.20	54.51	75.02	78.84	81.43	79.38	73.96	60.57	45.17	40.84
2019	40.85	40.79	47.92	61.98	67.96	75.59	80.63	80.60	79.48	57.49	47.41	44.26
2020	42.88	42.08	56.49	58.87	66.65	78.60	81.40	78.92	70.29	60.44	54.61	42.01
2021	39.96	31.01	55.49	58.58	65.68	76.95	79.98	81.38	76.99	63.83	51.85	51.64
2022	37.85	40.03	51.45	61.54	70.24	78.40	86.29	82.37	75.81	62.64	47.73	40.33
2023	42.49	44.88	50.26	59.11	69.01	77.13	81.18	82.50	76.78	62.14	52.65	45.89
2024	32.87	50.54	55.96	63.64	71.14	80.23	81.18	83.24	74.96	68.87	53.92	45.52
2025	34.62	38.76	57.58	62.46	67.47	77.62	78.24	M	M	M	M	M
NCEI Climatology	38.55	42.43	51.30	60.05	68.70	78.09	82.30	81.40	73.51	61.99	50.25	40.60

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
2001	M	M	33.7%	64.8%	72.4%	64.0%	61.3%	65.5%	76.5%	64.1%	73.6%	69.9%
2002	64.0%	62.0%	64.3%	72.7%	78.9%	77.9%	76.8%	71.5%	69.3%	79.4%	64.4%	71.7%
2003	64.3%	73.3%	67.8%	64.4%	78.7%	81.0%	66.3%	72.2%	81.3%	76.4%	76.4%	70.8%
2004	78.5%	75.7%	69.1%	71.5%	72.9%	80.0%	77.2%	74.8%	65.3%	74.8%	81.2%	65.2%
2005	78.8%	75.0%	62.3%	62.7%	72.0%	66.8%	66.4%	70.2%	66.2%	64.7%	55.3%	63.3%
2006	53.2%	58.7%	61.6%	57.3%	67.8%	59.4%	56.7%	60.1%	61.9%	65.0%	68.8%	71.7%
2007	73.2%	65.1%	66.3%	68.0%	81.0%	81.6%	78.9%	73.2%	77.9%	71.1%	66.0%	72.1%
2008	64.0%	67.8%	62.3%	63.6%	60.2%	62.6%	62.4%	68.6%	M	39.8%	56.5%	58.2%
2009	53.0%	53.0%	56.3%	64.0%	76.5%	58.9%	61.4%	71.6%	78.2%	80.2%	72.6%	75.9%
2010	78.2%	77.5%	66.7%	65.9%	76.5%	74.8%	78.0%	62.8%	73.2%	60.4%	65.5%	72.4%
2011	64.1%	68.8%	65.2%	57.7%	70.4%	57.0%	46.3%	50.1%	52.6%	59.9%	69.7%	75.0%
2012	60.8%	69.6%	70.5%	75.9%	69.6%	73.4%	58.7%	57.8%	67.9%	71.1%	64.8%	69.1%
2013	76.7%	74.7%	67.5%	74.2%	82.0%	75.6%	75.9%	79.2%	70.1%	78.0%	72.0%	81.3%
2014	59.9%	70.2%	66.5%	62.9%	70.0%	81.9%	76.6%	71.5%	79.2%	75.2%	69.3%	85.7%
2015	67.0%	73.7%	76.3%	77.8%	87.3%	78.5%	79.1%	74.7%	74.8%	69.9%	76.1%	76.6%
2016	75.2%	59.5%	64.3%	69.6%	78.1%	78.9%	79.8%	76.8%	76.1%	73.4%	73.2%	69.6%
2017	69.6%	66.0%	61.5%	72.1%	68.2%	70.9%	72.2%	78.5%	70.3%	65.5%	67.6%	65.4%
2018	55.8%	70.4%	61.1%	59.8%	70.9%	73.8%	73.6%	74.8%	82.8%	79.9%	67.4%	71.1%
2019	71.9%	76.9%	63.9%	65.9%	78.7%	77.2%	71.6%	78.2%	76.7%	71.6%	68.4%	66.1%
2020	74.2%	66.3%	69.6%	67.0%	74.7%	67.4%	78.3%	72.1%	78.6%	68.0%	63.9%	67.9%
2021	71.9%	71.4%	62.0%	62.5%	79.2%	78.1%	76.2%	72.8%	62.0%	70.5%	63.1%	61.7%
2022	56.1%	58.4%	56.1%	58.9%	75.6%	72.2%	57.1%	64.5%	58.4%	50.5%	71.7%	68.1%
2023	66.2%	61.9%	65.5%	58.5%	77.0%	72.0%	72.7%	68.2%	67.2%	69.0%	65.7%	66.6%
2024	72.1%	60.6%	65.2%	60.7%	75.0%	71.1%	69.4%	63.9%	63.5%	49.9%	70.3%	70.5%
2025	63.9%	67.4%	49.6%	67.2%	72.7%	78.6%	84.9%	M	M	M	M	M