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 (USC00219170) 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
2002	M	M	M	M	M	M	0.00	0.00	0.00	0.00	0.00	0.00
2003	0.00	0.00	0.00	0.00	0.00	24.49	0.00	0.00	0.00	0.00	0.00	0.00
2004	0.00	0.00	0.00	0.00	0.00	M	M	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	0.03	0.08	0.11	0.05	0.02	0.01	0.01	0.00
2012	0.01	0.00	0.00	0.00	0.00	0.00	0.02	0.03	0.02	0.15	0.00	0.02
2013	0.02	0.00	0.04	0.02	0.17	0.05	0.00	0.00	0.00	0.01	0.00	0.00
2014	0.00	0.02	0.02	0.15	0.10	0.28	0.09	0.12	0.03	0.01	0.03	0.13
2015	0.16	0.10	0.11	0.51	1.10	0.42	0.35	0.08	0.04	0.03	0.04	0.00
2016	0.01	0.01	0.00	0.00	0.01	0.04	0.03	0.01	0.03	0.01	0.01	0.00
2017	0.00	0.01	0.00	0.01	0.01	0.04	0.01	0.06	0.03	0.05	0.00	0.00
2018	0.01	0.00	0.00	0.00	0.01	0.06	0.02	0.03	0.02	0.00	0.00	0.01
2019	0.00	0.00	0.01	0.03	0.05	0.01	0.02	0.01	0.06	0.04	0.00	0.00
2020	0.00	0.00	0.00	0.00	0.03	0.08	0.04	0.00	0.00	0.00	0.00	0.01
2021	0.01	0.00	0.01	0.01	0.02	0.01	0.01	0.03	0.03	0.00	0.00	0.01
2022	0.00	0.00	0.00	0.01	0.02	0.02	0.02	0.01	0.00	0.00	0.00	0.00
2023	0.00	0.00	0.00	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
2026	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	0.71	0.86	1.46	3.07	4.09	5.24	3.54	3.85	3.21	2.38	1.27	0.88

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	10.0	10.1	10.9	11.4	12.6	13.4
2003	14.0	15.3	15.5	15.0	13.1	10.6	10.2	7.6	10.7	11.6	13.6	14.9
2004	13.3	14.6	15.2	13.4	M	M	M	8.9	12.3	12.3	12.1	14.4
2005	12.9	12.7	13.9	14.1	15.5	11.2	M	7.7	10.4	9.8	14.3	11.1
2006	13.5	13.3	14.4	14.5	15.7	11.3	9.8	8.6	10.1	13.0	11.6	12.0
2007	14.3	11.6	14.2	14.6	15.9	12.2	8.5	7.7	11.7	11.8	13.9	9.9
2008	13.6	13.3	13.1	14.0	14.7	11.4	9.1	8.9	10.2	11.7	13.6	14.7
2009	14.1	14.3	14.2	14.4	14.0	10.2	8.1	8.1	7.2	9.3	9.1	12.3
2010	12.4	10.0	12.9	13.5	13.5	11.0	9.3	9.7	10.7	10.5	13.1	12.4
2011	12.4	13.3	12.9	13.9	14.8	12.0	8.1	6.5	7.6	11.5	13.6	12.0
2012	13.3	11.7	12.8	14.7	14.4	11.7	8.5	8.4	9.3	13.9	12.9	11.8
2013	13.2	13.0	12.4	13.9	13.8	10.6	8.9	7.5	9.3	11.4	14.0	12.8
2014	16.8	14.2	14.6	16.2	12.5	11.0	9.6	7.0	9.4	11.0	15.1	12.3
2015	13.5	14.3	13.6	14.1	14.0	11.4	7.4	8.7	9.3	10.5	14.1	13.2
2016	12.8	14.7	13.2	16.2	11.5	11.4	9.1	7.4	9.8	11.2	12.7	15.9
2017	12.1	14.1	14.7	13.7	12.7	11.0	7.6	6.6	8.7	10.6	11.9	12.8
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	14.2	M	M	5.8	M	M	M	M
2020	M	M	M	M	M	M	9.7	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	9.2	M	M
2022	M	M	M	M	M	M	M	M	6.3	M	M	M
2023	M	M	M	16.4	M	M	M	M	M	7.4	M	M
2024	M	M	M	11.4	8.9	M	M	M	M	M	M	M
2025	M	14.4	14.4	14.9	12.3	11.4	8.4	7.4	8.1	13.1	12.3	13.7
2026	12.8	12.5	14.9	14.8	12.5	10.7	8.1	8.3	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
2002	M	M	M	M	M	M	85.77	77.38	72.70	47.95	41.10	34.71
2003	24.74	26.97	41.46	57.06	65.52	75.91	81.76	81.94	70.65	62.24	38.02	29.52
2004	21.24	26.16	43.23	59.74	M	M	M	75.37	75.25	58.55	45.77	31.98
2005	21.78	36.28	40.52	60.22	65.42	76.91	70.01	73.13	76.44	62.76	44.98	22.61
2006	33.23	28.38	38.55	60.38	70.74	79.35	85.08	78.23	66.58	55.90	45.21	34.79
2007	24.21	18.45	44.42	54.36	73.02	80.39	84.29	79.42	73.71	62.92	42.15	22.88
2008	19.64	21.96	34.49	50.95	65.66	76.72	82.27	78.46	72.46	59.47	40.32	21.83
2009	19.64	31.64	41.54	54.43	69.86	74.89	77.28	77.02	74.26	48.11	50.65	21.06
2010	16.60	24.56	44.39	64.11	68.92	77.82	82.78	82.40	70.50	64.42	41.61	21.46
2011	17.74	23.68	35.23	52.27	64.97	77.18	86.03	80.72	71.49	65.02	46.26	34.55
2012	32.06	33.45	59.24	62.15	73.38	83.14	88.21	81.47	76.80	55.89	45.81	30.53
2013	24.65	28.98	34.94	47.53	66.03	64.29	79.84	79.44	76.68	56.67	39.70	15.14
2014	19.77	18.02	35.83	54.60	69.87	76.59	77.45	76.97	71.16	61.16	33.46	30.29
2015	26.04	22.09	47.90	61.24	67.00	77.10	83.15	76.74	76.32	63.06	45.39	31.60
2016	22.87	30.57	47.65	57.45	70.04	81.44	80.27	78.20	73.55	60.89	50.64	25.61
2017	25.24	38.92	39.57	56.92	67.66	81.00	82.82	75.07	74.86	58.44	43.60	26.52
2018	22.83	20.27	36.05	43.48	75.39	80.14	81.03	78.08	71.13	52.96	34.26	29.89
2019	20.71	15.95	34.01	55.09	62.96	78.64	81.49	77.56	74.68	50.77	37.03	27.59
2020	24.17	27.23	42.10	55.66	63.96	83.35	82.72	81.22	71.84	51.36	46.70	34.66
2021	29.18	16.94	47.57	55.99	67.45	85.00	80.97	79.83	76.59	62.81	45.88	33.16
2022	24.63	27.86	39.39	49.77	68.78	80.80	82.70	79.55	76.57	62.37	41.79	21.54
2023	22.32	27.29	31.09	48.01	60.25	76.18	79.50	80.30	76.80	57.47	47.12	37.57
2024	21.13	41.11	45.12	56.80	69.33	76.30	79.18	78.35	79.69	67.58	43.80	31.47
2025	26.54	24.90	51.39	58.76	70.42	81.07	81.49	77.43	77.20	63.66	44.26	30.25
2026	24.42	40.85	51.02	58.27	66.81	76.29	82.91	77.60	M	M	M	M
NCEI Climatology	22.60	27.46	39.70	55.10	67.99	78.41	82.01	79.40	72.90	58.90	41.80	27.89

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	64.15	59.26	51.75	32.23	23.04	16.50
2003	7.67	6.39	20.71	37.15	46.14	55.85	61.52	60.37	47.05	39.22	21.96	17.80
2004	5.53	14.10	28.59	35.01	M	M	M	53.60	55.14	40.31	28.22	15.18
2005	7.82	18.96	21.48	40.29	46.23	58.22	69.85	63.18	54.78	40.93	26.32	9.84
2006	22.08	10.57	24.44	41.34	49.74	59.00	63.29	60.63	47.29	34.84	25.12	19.38
2007	9.39	5.16	28.85	33.33	51.92	58.88	61.62	61.72	51.95	43.28	24.22	8.49
2008	4.40	5.29	20.46	32.94	44.75	57.34	63.09	59.45	50.05	39.69	26.18	3.30
2009	1.78	13.79	25.76	33.88	46.10	56.11	57.03	56.46	52.46	33.71	31.22	6.54
2010	3.06	7.74	28.67	41.10	47.05	58.36	62.84	63.63	48.96	40.49	25.27	6.64
2011	1.51	8.09	21.12	34.99	47.39	58.65	67.30	59.58	48.24	41.16	25.53	15.98
2012	14.09	16.94	37.67	39.22	51.66	60.96	67.48	59.25	48.33	35.64	25.90	13.06
2013	7.58	11.96	18.80	29.36	46.99	50.18	58.43	60.34	53.94	36.93	17.59	-3.72
2014	-5.61	-1.13	17.20	33.21	46.52	58.35	58.57	57.49	50.46	39.65	15.30	18.08
2015	12.00	3.58	24.92	37.36	46.84	59.15	62.56	58.06	56.86	41.88	30.31	19.45
2016	9.13	17.86	30.53	38.58	45.76	60.68	62.05	60.68	54.04	41.53	33.32	10.06
2017	13.22	21.64	24.39	38.02	24.69	58.24	-96.12	-32.89	30.44	-200.19	-284.40	-74.91
2018	-78.14	-110.03	-61.47	-61.62	53.48	62.00	61.29	59.88	53.95	34.48	18.47	15.82
2019	4.45	0.17	18.84	37.95	43.88	58.74	63.26	58.42	55.84	34.45	21.94	13.73
2020	9.36	8.90	27.51	30.81	47.27	62.22	63.33	60.24	49.03	31.85	26.97	15.40
2021	15.35	2.79	30.03	34.94	47.06	60.89	62.01	59.87	53.00	42.64	26.89	14.82
2022	0.89	3.68	23.20	30.42	47.46	59.83	63.23	58.75	51.98	36.64	23.00	7.33
2023	8.55	8.66	15.86	34.76	51.23	61.63	58.44	61.10	54.05	38.87	23.77	21.75
2024	8.29	21.44	22.98	36.60	47.86	57.97	60.74	59.99	54.45	43.10	28.06	16.06
2025	4.49	4.28	26.26	35.39	48.38	59.53	63.51	59.94	54.59	44.50	27.72	10.79
2026	6.74	18.67	25.76	35.46	43.07	56.65	65.21	58.28	M	M	M	M
NCEI Climatology	5.30	9.78	21.19	32.70	45.80	57.40	60.80	57.80	49.10	36.30	23.19	11.80

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	74.96	68.32	62.23	40.09	32.07	25.61
2003	16.21	16.68	31.08	47.10	55.83	65.88	71.64	71.16	58.85	50.73	29.99	23.66
2004	13.38	20.13	35.91	47.38	M	M	M	64.48	65.20	49.43	37.00	23.58
2005	14.80	27.62	31.00	50.26	55.82	67.57	69.93	68.16	65.61	51.84	35.65	16.22
2006	27.66	19.48	31.49	50.86	60.24	69.18	74.19	69.43	56.94	45.37	35.16	27.08
2007	16.80	11.81	36.64	43.84	62.47	69.64	72.96	70.57	62.83	53.10	33.18	15.69
2008	12.02	13.62	27.47	41.94	55.20	67.03	72.68	68.96	61.26	49.58	33.25	12.56
2009	10.71	22.71	33.65	44.15	57.98	65.50	67.16	66.74	63.36	40.91	40.93	13.80
2010	9.83	16.15	36.53	52.61	57.98	68.09	72.81	73.01	59.73	52.46	33.44	14.05
2011	9.62	15.89	28.17	43.63	56.18	67.92	76.67	70.15	59.86	53.09	35.89	25.27
2012	23.08	25.19	48.46	50.69	62.52	72.05	77.85	70.36	62.56	45.76	35.86	21.80
2013	16.11	20.47	26.87	38.45	56.51	57.23	69.13	69.89	65.31	46.80	28.65	5.71
2014	7.08	8.45	26.52	43.90	58.19	67.47	68.01	67.23	60.81	50.41	24.38	24.18
2015	19.02	12.84	36.41	49.30	56.92	68.12	72.86	67.40	66.59	52.47	37.85	25.53
2016	16.00	24.22	39.09	48.01	57.90	71.06	71.16	69.44	63.79	51.21	41.98	17.84
2017	19.23	30.28	31.98	47.47	46.18	69.62	-6.65	21.09	52.65	-70.88	-120.40	-24.20
2018	-27.66	-44.88	-12.71	-9.07	64.44	71.07	71.16	68.98	62.54	43.72	26.36	22.85
2019	12.58	8.06	26.43	46.52	53.42	68.69	72.38	67.99	65.26	42.61	29.48	20.66
2020	16.77	18.06	34.80	43.24	55.62	72.78	73.02	70.73	60.43	41.61	36.83	25.03
2021	22.27	9.87	38.80	45.47	57.26	72.95	71.49	69.85	64.80	52.73	36.38	23.99
2022	12.76	15.77	31.29	40.09	58.12	70.31	72.96	69.15	64.27	49.50	32.39	14.44
2023	15.44	17.98	23.48	41.38	55.74	68.90	68.97	70.70	65.43	48.17	35.44	29.66
2024	14.71	31.28	34.05	46.70	58.60	67.14	69.96	69.17	67.07	55.34	35.93	23.76
2025	15.52	14.59	38.83	47.08	59.40	70.30	72.50	68.69	65.90	54.08	35.99	20.52
2026	15.58	29.76	38.39	46.86	54.94	66.47	74.06	67.94	M	M	M	M
NCEI Climatology	13.95	18.62	30.45	43.90	56.90	67.91	71.40	68.60	61.00	47.60	32.49	19.85

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
2002	M	M	M	M	M	M	70.6%	78.5%	68.9%	78.8%	76.0%	77.3%
2003	73.3%	75.8%	73.0%	65.0%	63.2%	65.5%	73.8%	72.4%	64.7%	65.8%	78.9%	86.9%
2004	80.2%	88.0%	80.0%	60.1%	M	M	M	76.4%	71.4%	65.7%	72.2%	75.7%
2005	81.9%	78.3%	72.5%	63.5%	66.3%	70.6%	M	66.1%	69.6%	72.9%	80.9%	94.5%
2006	91.9%	85.6%	87.3%	74.2%	68.1%	69.2%	74.9%	84.4%	80.8%	65.3%	65.9%	72.6%
2007	75.1%	76.1%	78.9%	61.1%	59.8%	60.0%	65.1%	75.0%	65.2%	69.9%	65.4%	85.9%
2008	79.7%	82.8%	79.0%	69.6%	61.4%	63.5%	69.7%	73.6%	75.7%	74.0%	85.5%	89.1%
2009	89.1%	85.1%	85.9%	73.5%	64.0%	76.0%	80.2%	83.7%	81.8%	88.0%	80.4%	94.0%
2010	91.6%	90.4%	82.8%	65.2%	65.4%	77.0%	81.4%	83.6%	78.5%	70.1%	81.3%	92.4%
2011	90.8%	89.3%	88.8%	80.9%	73.2%	77.4%	85.2%	83.5%	74.2%	68.4%	73.3%	85.5%
2012	85.5%	87.9%	82.7%	68.8%	70.8%	68.5%	77.9%	78.0%	60.2%	74.2%	80.7%	88.0%
2013	87.3%	91.2%	87.4%	82.7%	79.2%	80.1%	68.6%	79.0%	73.6%	73.3%	74.6%	83.5%
2014	78.6%	80.1%	78.6%	70.9%	63.3%	76.9%	75.9%	69.4%	78.9%	66.1%	77.3%	88.9%
2015	86.8%	77.7%	67.3%	55.9%	71.9%	72.3%	75.7%	81.9%	76.3%	65.1%	79.5%	91.9%
2016	91.0%	90.7%	82.2%	71.8%	58.6%	66.9%	77.9%	81.2%	77.6%	76.7%	76.7%	80.6%
2017	84.7%	78.1%	76.3%	70.3%	62.9%	58.6%	73.5%	80.6%	77.7%	69.9%	71.3%	75.4%
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	80.3%	M	M	77.4%	M	M	M	M
2020	M	M	M	M	M	M	81.1%	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	77.6%	M	M
2022	M	M	M	M	M	M	M	M	66.1%	M	M	M
2023	M	M	M	63.1%	M	M	M	M	M	64.5%	M	M
2024	M	M	M	37.8%	50.5%	M	M	M	M	M	M	M
2025	M	73.1%	70.6%	63.0%	58.8%	71.8%	84.5%	85.6%	75.9%	70.1%	79.0%	85.1%
2026	78.9%	72.8%	72.9%	66.8%	50.6%	69.8%	82.7%	79.3%	M	M	M	M