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 (USC00211198) 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	22.62	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	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	M	M	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	M	M	0.00	0.00	M	M	M	M	M	M	M	0.00
2011	0.00	0.00	0.00	0.00	M	M	M	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.00	0.00	0.00	M	M	M	M	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	0.04	0.03	0.00
2014	0.02	0.03	0.03	0.12	0.02	0.07	0.01	0.05	0.02	0.07	0.00	0.01
2015	0.08	0.00	0.05	0.04	0.03	0.04	0.04	0.02	0.02	0.02	0.04	0.05
2016	0.01	0.03	0.08	0.01	0.05	0.04	0.02	0.05	0.07	0.02	0.00	0.00
2017	0.00	0.00	0.00	0.02	0.02	0.04	0.00	0.00	0.01	0.04	0.00	0.00
2018	0.00	0.00	0.00	0.00	0.06	0.02	0.00	0.01	0.03	0.01	0.01	0.00
2019	0.00	0.00	0.00	0.00	0.01	0.00	0.00	0.01	0.03	0.02	0.00	0.00
2020	0.00	0.00	0.00	0.00	0.01	0.01	0.00	0.01	0.00	0.00	0.00	0.00
2021	0.00	0.00	0.00	0.00	0.02	0.04	0.05	0.11	0.00	0.00	0.02	0.00
2022	0.00	0.00	0.00	0.00	0.01	0.02	0.01	0.02	0.00	0.01	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	1.12	1.21	2.00	3.96	4.84	6.06	4.31	4.47	4.04	2.96	1.80	1.60

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	1.0	1.0	1.1	1.6	1.9	2.5
2003	2.3	3.0	2.6	3.7	2.2	1.3	1.2	1.2	1.4	1.7	2.5	1.6
2004	2.2	1.9	2.5	2.7	2.0	1.5	M	1.1	1.1	1.4	1.2	1.7
2005	1.7	1.5	2.4	2.6	1.8	1.1	M	1.0	1.0	1.2	2.1	1.4
2006	2.1	2.4	2.4	2.7	1.7	1.3	1.3	0.9	1.4	2.1	1.8	2.2
2007	2.2	2.8	2.2	2.9	1.8	1.2	0.5	1.1	0.7	1.8	2.6	2.0
2008	2.1	2.2	2.3	2.8	3.2	M	M	1.1	1.2	1.5	1.7	2.3
2009	2.1	2.2	2.5	3.1	2.4	0.8	M	0.2	1.0	M	1.5	2.3
2010	M	M	2.8	2.7	M	M	M	M	M	M	M	1.3
2011	1.9	2.5	2.3	2.0	M	M	M	0.5	1.1	1.6	1.9	1.3
2012	2.0	2.3	2.4	2.3	1.5	M	M	M	M	1.4	1.4	1.1
2013	2.0	2.4	2.0	3.0	2.0	1.1	1.3	0.9	1.1	1.4	1.8	2.1
2014	2.2	2.1	2.1	3.0	2.1	1.0	1.0	0.7	1.0	1.9	1.9	1.6
2015	2.1	2.3	2.4	2.9	1.9	1.3	1.1	1.3	1.0	1.7	2.0	2.3
2016	1.8	2.3	2.2	2.6	1.8	1.4	1.1	0.9	1.1	1.3	1.7	2.4
2017	1.7	1.9	2.9	2.5	2.0	1.3	1.1	1.1	1.0	1.5	1.7	2.2
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	0.9	M	M	0.5	M	M	M	M
2020	2.0	2.2	2.2	2.7	2.3	1.2	0.9	1.1	1.0	1.6	1.8	1.8
2021	1.7	1.9	2.3	2.3	2.1	1.1	0.9	0.7	0.9	1.4	1.7	1.9
2022	1.9	2.6	2.6	2.9	1.8	1.2	1.0	0.8	1.1	1.4	1.9	1.6
2023	1.8	2.6	2.6	3.4	2.2	1.8	1.9	2.0	1.5	2.1	2.4	1.9
2024	2.4	2.5	2.9	3.4	2.2	1.9	1.4	1.7	1.6	2.2	2.3	2.3
2025	2.8	3.0	3.1	2.9	2.2	1.4	1.2	1.0	1.0	1.4	2.1	2.0
2026	2.3	2.3	2.9	2.8	2.4	1.3	1.2	1.1	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	85.89	80.25	75.60	52.00	42.21	33.97
2003	24.48	28.66	41.95	58.34	68.56	78.01	83.15	84.66	72.87	61.43	42.04	33.46
2004	23.07	33.63	43.60	61.37	68.89	69.44	M	73.50	77.74	59.52	46.54	30.44
2005	24.33	34.92	40.91	61.07	66.41	79.67	75.27	72.37	77.57	63.35	44.99	25.37
2006	36.69	30.97	43.17	64.52	69.41	75.43	87.51	80.57	68.49	55.53	46.23	36.55
2007	29.60	22.30	42.63	57.00	74.46	79.67	79.70	75.89	79.75	61.58	40.21	25.87
2008	18.02	26.50	39.38	46.14	62.49	M	M	80.76	73.72	60.54	42.90	23.92
2009	20.09	33.47	44.79	59.89	61.82	67.36	65.81	66.38	60.92	42.95	47.07	26.12
2010	M	M	56.08	53.70	M	M	M	M	M	M	M	17.24
2011	21.69	29.85	41.56	57.05	M	M	M	76.38	56.07	55.05	47.92	35.91
2012	31.19	26.17	42.45	53.61	57.33	M	M	M	M	52.00	34.89	30.73
2013	27.97	26.77	35.43	50.32	68.15	64.60	58.46	-20.09	-47.42	38.59	40.35	22.81
2014	19.06	19.70	36.66	53.15	70.29	79.35	77.91	80.48	71.53	58.11	34.78	31.51
2015	27.23	20.12	45.54	62.04	69.47	75.89	82.39	78.52	77.55	62.33	49.93	37.88
2016	25.91	32.82	48.93	58.97	71.12	79.98	81.84	81.19	73.62	63.29	53.13	26.64
2017	26.87	40.04	41.59	60.42	67.25	80.00	82.24	76.18	77.15	59.81	42.99	27.19
2018	27.23	29.50	42.95	48.29	76.84	79.88	82.20	80.39	72.65	55.25	34.56	31.85
2019	22.01	24.38	38.13	56.79	65.92	76.88	82.84	80.57	69.50	53.83	35.31	32.20
2020	29.21	31.40	44.61	56.07	68.08	81.12	84.18	81.77	68.27	51.45	48.90	33.13
2021	28.50	23.79	50.25	58.20	64.15	80.47	81.01	80.32	74.85	64.23	45.27	35.37
2022	22.08	27.71	41.92	51.73	70.83	79.08	82.01	79.15	73.41	60.91	44.73	27.26
2023	28.32	33.87	41.15	58.42	74.33	81.66	81.44	82.30	75.91	60.04	47.01	39.99
2024	27.15	45.94	49.60	58.03	72.56	77.00	81.34	80.12	77.21	67.51	46.18	31.97
2025	26.34	27.82	52.80	58.43	70.27	79.99	83.13	79.12	75.66	63.74	46.20	28.28
2026	22.68	37.21	51.90	61.81	67.68	76.58	84.40	80.85	79.52	M	M	M
NCEI Climatology	24.40	29.18	41.29	55.71	67.80	77.30	81.20	79.10	72.10	58.70	42.69	29.80

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	61.94	57.79	50.59	36.59	24.13	17.82
2003	8.26	6.01	22.30	34.50	42.96	52.35	59.31	58.88	47.46	36.55	25.60	17.93
2004	6.50	14.70	27.87	34.31	45.52	48.25	M	52.26	51.89	39.83	28.55	15.02
2005	9.66	19.92	19.77	38.82	43.82	60.62	75.13	63.11	52.38	40.61	27.10	12.08
2006	23.27	10.79	25.36	39.01	46.57	55.18	62.38	59.34	47.41	35.01	29.45	21.95
2007	12.50	3.86	21.60	36.05	52.62	58.13	67.16	64.29	63.57	46.24	25.47	11.25
2008	1.26	3.55	21.60	30.18	45.86	M	M	55.31	50.89	37.25	27.59	2.58
2009	-2.12	13.19	24.57	33.92	48.44	58.77	59.84	59.63	55.33	39.59	33.10	11.24
2010	M	M	36.07	38.94	M	M	M	M	M	M	M	4.60
2011	7.26	9.89	21.87	37.57	M	M	M	73.91	52.56	51.43	45.95	32.59
2012	26.37	20.75	38.36	49.52	56.05	M	M	M	M	41.20	31.60	16.60
2013	10.47	13.08	17.17	32.32	46.36	50.23	51.47	-25.17	-48.28	18.08	23.16	5.52
2014	-3.47	-1.89	16.24	33.11	45.77	58.30	57.00	60.14	48.50	37.98	19.10	20.61
2015	9.84	-1.95	22.34	34.19	48.43	53.97	60.79	57.75	55.73	39.72	31.41	27.24
2016	9.15	16.71	30.80	33.70	44.90	55.91	61.44	60.50	54.00	42.15	32.71	13.99
2017	14.01	19.65	24.31	16.34	-21.64	32.03	-97.57	-33.87	29.41	-198.75	-283.54	-72.03
2018	-75.75	-37.09	-42.01	-41.42	52.20	60.42	59.99	59.85	52.21	37.11	22.30	20.04
2019	4.75	5.42	17.88	35.94	44.06	53.43	63.08	62.85	51.35	36.55	22.45	16.57
2020	15.14	8.88	29.54	31.97	44.55	56.65	61.94	57.69	48.26	32.82	27.91	16.54
2021	13.69	4.69	27.34	35.77	37.15	58.28	60.18	59.11	50.67	44.90	26.65	18.52
2022	0.11	5.74	24.97	31.92	47.86	55.65	60.00	58.88	51.25	36.69	26.29	11.97
2023	16.71	14.37	23.03	34.87	45.92	54.72	57.19	59.64	55.03	41.82	27.16	26.34
2024	15.42	21.78	27.01	36.38	46.61	56.61	60.09	58.48	51.39	39.85	30.59	18.79
2025	7.60	9.08	27.11	33.94	45.14	59.01	63.01	58.12	52.84	42.60	28.29	10.54
2026	5.99	17.01	27.09	38.40	40.78	54.57	63.57	59.59	68.36	M	M	M
NCEI Climatology	7.70	11.47	22.91	35.00	47.39	58.00	61.69	59.30	50.69	38.59	26.40	14.81

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	73.92	69.02	63.10	44.30	33.17	25.89
2003	16.37	17.34	32.12	46.42	55.76	65.18	71.23	71.77	60.17	48.99	33.82	25.69
2004	14.79	24.16	35.74	47.84	57.21	58.84	M	62.88	64.81	49.67	37.55	22.73
2005	16.99	27.42	30.34	49.95	55.12	70.15	75.20	67.74	64.98	51.98	36.04	18.73
2006	29.98	20.88	34.26	51.76	57.99	65.31	74.94	69.96	57.95	45.27	37.84	29.25
2007	21.05	13.08	32.12	46.53	63.54	68.90	73.43	70.09	71.66	53.91	32.84	18.56
2008	9.64	15.02	30.49	38.16	54.18	M	M	68.04	62.30	48.90	35.24	13.25
2009	8.98	23.33	34.68	46.91	55.13	63.06	62.83	63.00	58.13	41.27	40.09	18.68
2010	M	M	46.08	46.32	M	M	M	M	M	M	M	10.92
2011	14.47	19.87	31.72	47.31	M	M	M	75.14	54.32	53.24	46.94	34.25
2012	28.78	23.46	40.41	51.57	56.69	M	M	M	M	46.60	33.24	23.66
2013	19.22	19.93	26.30	41.32	57.26	57.41	54.97	-22.63	-47.85	28.34	31.75	14.16
2014	7.80	8.91	26.45	43.13	58.03	68.82	67.45	70.31	60.01	48.04	26.94	26.06
2015	18.53	9.09	33.94	48.12	58.95	64.93	71.59	68.14	66.64	51.02	40.67	32.56
2016	17.53	24.77	39.86	46.33	58.01	67.94	71.64	70.85	63.81	52.72	42.92	20.31
2017	20.44	29.85	32.95	38.38	22.80	56.02	-7.67	21.15	53.28	-69.47	-120.28	-22.42
2018	-24.26	-3.79	0.47	3.43	64.52	70.15	71.10	70.12	62.43	46.18	28.43	25.95
2019	13.38	14.90	28.01	46.36	54.99	65.15	72.96	71.71	60.43	45.19	28.88	24.38
2020	22.17	20.14	37.07	44.02	56.31	68.89	73.06	69.73	58.26	42.14	38.40	24.84
2021	21.09	14.24	38.79	46.98	50.65	69.37	70.59	69.71	62.76	54.56	35.96	26.95
2022	11.10	16.73	33.45	41.83	59.34	67.37	71.00	69.01	62.33	48.80	35.51	19.61
2023	22.51	24.12	32.09	46.65	60.12	68.19	69.32	70.97	65.47	50.93	37.08	33.16
2024	21.29	33.86	38.31	47.20	59.59	66.80	70.71	69.30	64.30	53.68	38.39	25.38
2025	16.97	18.45	39.95	46.19	57.71	69.50	73.07	68.62	64.25	53.17	37.25	19.41
2026	14.33	27.11	39.50	50.11	54.23	65.57	73.98	70.22	73.94	M	M	M
NCEI Climatology	16.05	20.33	32.10	45.36	57.59	67.65	71.45	69.20	61.40	48.65	34.55	22.31

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	80.2%	82.2%	82.5%	77.3%	75.3%	79.8%
2003	72.4%	71.7%	74.3%	67.8%	67.2%	75.4%	79.3%	76.8%	75.1%	72.9%	76.9%	79.6%
2004	72.4%	77.0%	74.7%	61.6%	73.8%	80.7%	M	83.1%	78.7%	79.1%	78.2%	78.7%
2005	76.3%	79.2%	72.0%	67.4%	75.4%	81.6%	M	85.8%	82.6%	79.2%	80.4%	87.7%
2006	83.5%	72.3%	76.3%	62.6%	75.2%	78.8%	78.6%	85.1%	82.8%	72.5%	77.2%	81.3%
2007	80.3%	75.3%	75.7%	67.5%	70.6%	77.0%	78.8%	87.4%	78.1%	80.7%	71.9%	83.9%
2008	78.8%	76.7%	78.9%	74.6%	75.2%	M	M	77.3%	80.7%	76.1%	77.0%	80.2%
2009	77.7%	75.2%	75.4%	64.0%	66.7%	52.8%	M	95.5%	79.9%	M	84.2%	81.1%
2010	M	M	55.9%	67.5%	M	M	M	M	M	M	M	83.9%
2011	80.4%	77.2%	75.3%	71.9%	M	M	M	65.4%	83.5%	66.6%	58.8%	68.5%
2012	68.1%	80.0%	71.7%	64.8%	71.1%	M	M	M	M	70.0%	77.2%	80.4%
2013	71.9%	75.9%	73.5%	76.9%	77.6%	89.2%	61.5%	23.6%	17.1%	67.5%	75.2%	80.4%
2014	71.9%	73.0%	71.4%	71.0%	68.6%	81.7%	81.6%	86.2%	84.8%	78.1%	75.5%	82.1%
2015	78.5%	69.9%	65.7%	60.3%	76.6%	82.4%	82.3%	82.4%	82.7%	74.5%	78.2%	84.7%
2016	78.8%	73.8%	76.3%	64.0%	70.3%	79.3%	84.5%	87.3%	87.3%	82.6%	80.3%	77.9%
2017	82.8%	75.2%	70.3%	70.7%	75.7%	77.9%	84.2%	85.5%	83.4%	81.4%	74.7%	73.0%
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	87.2%	M	M	M	M	M	M	M
2020	78.6%	69.6%	74.0%	64.5%	67.8%	77.1%	83.5%	80.7%	83.8%	72.9%	78.2%	78.6%
2021	81.5%	74.4%	69.1%	63.5%	62.4%	78.8%	85.3%	87.5%	84.0%	81.5%	70.0%	76.3%
2022	72.1%	69.4%	67.9%	69.0%	72.5%	76.9%	84.2%	87.3%	83.4%	74.5%	76.4%	80.8%
2023	84.4%	75.4%	72.5%	66.1%	67.0%	74.0%	79.4%	80.0%	84.0%	80.5%	71.2%	83.5%
2024	81.1%	71.2%	62.1%	69.2%	75.2%	82.4%	84.9%	84.4%	84.1%	69.9%	83.7%	79.4%
2025	67.5%	70.3%	68.5%	68.3%	72.1%	82.5%	85.7%	86.7%	86.9%	80.9%	76.4%	79.6%
2026	73.7%	73.4%	69.3%	69.7%	60.8%	81.9%	85.6%	86.8%	M	M	M	M