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 (USC00211263) 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	0.04	0.08	0.01	0.09	0.02	0.03
2003	0.03	0.14	0.21	0.07	0.01	9.55	0.01	0.00	0.02	0.01	0.06	0.02
2004	0.00	0.01	0.02	0.01	0.04	0.01	0.00	0.00	0.01	0.00	M	M
2005	M	M	M	M	0.00	0.03	0.03	0.01	0.05	0.02	0.04	0.02
2006	0.02	0.01	0.09	0.01	0.00	0.01	0.01	0.02	M	M	0.00	0.01
2007	0.00	0.04	0.15	0.03	0.00	0.03	0.01	0.02	0.00	0.02	0.00	0.01
2008	0.00	0.00	0.03	0.18	0.02	0.03	0.02	0.01	0.00	0.06	0.04	0.08
2009	0.05	0.02	0.07	0.02	0.01	0.01	0.03	0.00	0.01	0.09	0.01	0.11
2010	0.03	0.05	0.01	0.00	0.02	0.07	0.07	0.03	0.13	0.02	0.00	0.11
2011	0.08	0.07	0.02	0.03	0.05	0.03	0.06	0.00	0.00	0.00	0.02	0.00
2012	0.03	0.01	0.01	0.01	0.06	0.02	0.00	0.00	0.00	0.05	0.00	0.12
2013	0.00	0.05	0.03	0.30	0.01	0.00	0.01	0.00	0.01	0.01	0.02	0.04
2014	0.08	0.00	0.08	0.05	0.05	0.09	0.00	0.01	0.00	0.00	0.00	0.00
2015	0.00	0.00	0.00	0.00	0.02	0.00	0.02	0.04	0.01	0.00	0.02	0.02
2016	0.00	0.00	0.00	0.00	0.01	0.01	0.03	0.05	0.00	0.01	0.00	0.00
2017	0.00	0.00	0.00	0.00	0.03	0.00	0.04	0.00	0.01	0.03	0.00	0.00
2018	0.00	0.00	0.00	0.03	0.00	0.00	0.04	0.01	0.03	0.00	0.00	0.01
2019	0.00	0.01	0.00	0.02	0.02	0.01	0.03	0.01	0.04	0.00	0.00	0.01
2020	0.00	0.01	0.00	0.00	0.02	0.02	0.00	0.00	0.00	0.00	0.00	0.00
2021	0.00	0.00	0.01	0.00	0.00	0.00	0.00	0.00	0.00	0.01	0.00	0.00
2022	0.00	0.00	0.00	0.01	0.02	0.00	0.01	0.02	0.00	0.00	0.01	0.00
2023	0.01	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
NCEI Climatology	0.84	0.94	1.52	2.80	3.43	4.11	3.33	3.35	2.80	2.41	1.35	1.11

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	12.1	13.6	14.4	12.8	14.1	10.6	8.1	9.1	12.1	11.6	M	M
2005	M	M	M	M	M	10.2	M	7.8	10.8	9.9	11.3	9.2
2006	13.4	12.1	12.6	12.7	14.2	9.5	9.4	8.9	M	M	11.3	12.0
2007	14.1	12.5	13.4	12.8	15.2	11.5	8.2	6.8	11.4	11.8	12.8	10.4
2008	12.4	12.3	11.9	14.3	13.4	10.4	8.5	8.1	9.5	9.9	12.9	15.0
2009	14.3	13.0	12.8	13.2	13.2	9.5	8.3	8.1	6.8	9.8	8.7	11.2
2010	12.1	9.4	11.5	12.1	12.6	10.2	8.5	9.4	9.5	10.3	13.9	11.0
2011	11.9	15.3	10.6	13.1	14.0	11.3	8.1	7.1	7.9	11.7	13.4	12.5
2012	13.7	11.3	13.1	14.0	13.5	10.8	7.9	7.5	8.6	13.2	12.7	10.6
2013	13.5	12.4	11.9	14.3	12.5	11.1	9.5	7.8	9.3	11.6	13.9	12.3
2014	16.3	13.8	14.0	14.6	11.9	10.7	9.8	6.7	9.8	11.0	14.9	11.7
2015	13.0	13.3	13.7	13.7	13.1	10.7	8.3	9.4	9.7	10.9	13.6	11.2
2016	12.5	14.0	12.2	14.7	11.7	11.1	9.0	7.6	9.5	10.5	11.5	15.3
2017	12.0	14.1	13.4	13.0	12.1	10.4	7.9	4.3	9.1	11.8	12.7	12.6
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	12.1	13.3	12.7	11.2	9.9	7.7	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
2002	M	M	M	M	M	M	83.65	76.12	72.25	45.36	39.90	32.84
2003	23.06	23.34	38.29	56.30	64.51	74.47	81.51	81.00	68.58	60.76	35.55	29.40
2004	20.70	28.08	42.57	59.95	62.59	72.58	78.60	74.02	73.87	58.56	M	M
2005	M	M	M	M	M	74.29	72.79	69.80	76.11	59.02	42.46	23.75
2006	32.71	26.50	37.12	59.50	68.84	78.30	85.68	79.29	M	M	45.48	35.09
2007	24.86	18.64	43.53	52.03	71.23	75.16	82.17	77.33	72.98	61.44	40.62	23.37
2008	21.48	23.82	35.51	49.71	62.06	74.69	82.00	79.08	72.49	56.52	39.48	20.80
2009	17.86	29.04	37.78	53.10	69.11	73.41	74.65	75.60	72.15	43.34	46.11	19.14
2010	17.36	22.95	43.51	62.73	66.22	75.11	81.32	82.33	67.38	61.33	40.37	20.01
2011	16.49	21.92	31.65	49.45	64.10	75.31	85.30	80.01	70.63	62.94	45.00	34.79
2012	31.77	33.94	57.12	58.98	70.32	81.51	87.70	80.57	77.76	54.20	42.96	27.37
2013	23.02	25.88	31.15	43.39	63.56	64.24	78.05	79.44	76.51	54.52	39.16	17.88
2014	21.30	18.02	34.44	51.42	67.02	75.52	77.37	76.98	70.16	59.73	31.14	29.39
2015	25.03	20.75	46.44	60.14	65.67	75.67	82.39	76.43	75.84	61.10	47.02	30.35
2016	22.41	30.39	47.02	56.30	69.80	81.04	80.91	78.92	70.93	59.70	49.51	23.02
2017	23.45	38.57	39.44	55.38	66.68	78.98	82.90	-146.49	72.76	57.68	41.41	26.35
2018	23.46	20.11	34.26	41.73	74.36	78.21	79.43	77.56	69.62	51.61	32.55	29.06
2019	18.48	13.98	31.01	50.38	61.10	77.46	80.22	75.23	72.16	48.89	35.69	27.09
2020	23.35	25.73	40.80	53.52	62.90	81.70	81.78	79.96	70.08	49.23	46.51	34.28
2021	28.98	16.51	46.48	53.91	66.65	84.30	81.88	80.44	75.91	61.51	44.95	30.34
2022	22.54	26.26	37.61	46.28	65.63	79.63	81.22	78.49	74.83	61.17	38.86	21.22
2023	22.55	26.35	28.59	45.36	59.57	78.90	77.73	81.62	76.89	56.77	46.93	38.60
2024	20.65	39.67	43.26	55.91	68.53	75.54	79.82	76.26	76.95	62.91	40.42	28.52
2025	23.10	22.50	50.02	56.43	69.03	76.37	81.03	M	M	M	M	M
NCEI Climatology	23.40	27.97	39.59	54.60	68.10	78.29	83.01	80.70	73.20	58.70	42.00	28.50

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	62.66	58.34	50.32	29.76	22.66	16.80
2003	6.63	4.63	18.42	35.64	44.33	54.49	60.29	59.20	47.35	39.01	21.04	17.37
2004	2.80	13.73	25.07	33.34	45.55	52.42	59.16	51.85	53.27	38.14	M	M
2005	M	M	M	M	M	59.72	69.21	61.20	53.35	39.83	24.82	12.44
2006	19.93	8.47	23.54	39.58	48.89	56.65	61.61	60.18	M	M	23.36	18.17
2007	9.88	4.09	26.85	32.35	49.51	57.45	61.10	58.84	50.44	42.20	23.17	8.38
2008	4.12	6.86	18.49	31.82	44.57	54.67	61.18	58.44	50.11	37.32	23.76	1.41
2009	-0.44	10.40	22.95	32.89	43.84	54.26	55.87	55.26	52.42	36.45	32.15	5.94
2010	4.06	6.37	28.63	39.76	46.96	57.28	61.42	62.26	47.82	40.19	24.60	6.38
2011	-0.35	6.55	17.02	33.75	45.16	56.98	66.16	58.46	46.47	40.84	25.73	16.98
2012	13.22	16.18	34.99	38.35	50.15	58.24	65.76	56.00	49.77	34.52	24.10	10.02
2013	6.02	8.55	15.17	26.71	45.61	47.93	54.66	59.07	53.28	36.48	20.34	0.87
2014	-1.17	-0.86	15.71	31.32	46.24	57.18	58.34	59.33	50.43	38.89	14.29	17.44
2015	12.12	2.57	24.21	36.15	45.91	57.03	61.78	57.39	55.75	40.47	30.15	18.15
2016	8.70	16.91	30.25	35.80	47.46	59.16	60.75	60.08	53.07	40.09	32.89	8.05
2017	10.01	20.49	22.36	35.97	24.11	53.18	-96.96	-278.61	29.75	-200.78	-284.93	-74.71
2018	-77.97	-44.17	-42.76	-40.97	52.47	60.96	59.95	58.90	52.09	33.32	17.45	13.88
2019	1.38	-3.20	16.58	34.20	42.72	56.89	61.73	57.32	53.66	33.74	21.36	13.13
2020	7.86	8.48	25.24	31.05	45.76	60.89	61.58	59.48	48.17	30.80	26.74	14.56
2021	15.99	2.09	28.88	33.05	46.07	59.99	61.70	60.18	52.85	42.86	26.44	12.93
2022	-0.37	1.73	20.76	28.73	46.86	58.74	62.68	58.55	50.82	37.09	22.30	6.21
2023	8.71	8.15	12.50	31.99	50.76	60.78	57.70	61.06	54.97	39.10	24.78	22.83
2024	9.27	21.71	22.15	37.22	47.99	57.47	61.73	58.52	54.27	40.67	24.72	13.37
2025	3.30	2.90	24.86	33.93	47.28	57.75	62.37	M	M	M	M	M
NCEI Climatology	5.41	9.59	21.01	33.29	46.21	57.11	61.50	58.89	50.00	36.80	23.80	12.01

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	73.15	67.23	61.29	37.56	31.28	24.82
2003	14.85	13.98	28.35	45.97	54.42	64.48	70.90	70.10	57.97	49.89	28.30	23.38
2004	11.75	20.91	33.82	46.64	54.07	62.50	68.88	62.94	63.57	48.35	M	M
2005	M	M	M	M	M	67.00	71.00	65.50	64.73	49.43	33.64	18.10
2006	26.32	17.49	30.33	49.54	58.86	67.48	73.65	69.74	M	M	34.42	26.63
2007	17.37	11.36	35.19	42.19	60.37	66.31	71.63	68.08	61.71	51.82	31.90	15.88
2008	12.80	15.34	27.00	40.76	53.31	64.68	71.59	68.76	61.30	46.92	31.62	11.10
2009	8.71	19.72	30.36	42.99	56.47	63.84	65.26	65.43	62.28	39.90	39.13	12.54
2010	10.71	14.66	36.07	51.24	56.59	66.20	71.37	72.30	57.60	50.76	32.49	13.19
2011	8.07	14.23	24.34	41.60	54.63	66.15	75.73	69.23	58.55	51.89	35.36	25.88
2012	22.50	25.06	46.05	48.67	60.24	69.88	76.73	68.29	63.77	44.36	33.53	18.69
2013	14.52	17.21	23.16	35.05	54.59	56.09	66.36	69.25	64.90	45.50	29.75	9.38
2014	10.07	8.58	25.08	41.37	56.63	66.35	67.85	68.15	60.29	49.31	22.72	23.42
2015	18.58	11.66	35.33	48.15	55.79	66.35	72.09	66.91	65.80	50.78	38.59	24.25
2016	15.55	23.65	38.63	46.05	58.63	70.10	70.83	69.50	62.00	49.90	41.20	15.54
2017	16.73	29.53	30.90	45.68	45.39	66.08	-7.03	-212.55	51.26	-71.55	-121.76	-24.18
2018	-27.25	-12.03	-4.25	0.38	63.42	69.59	69.69	68.23	60.85	42.47	25.00	21.47
2019	9.93	5.39	23.80	42.29	51.91	67.17	70.98	66.27	62.91	41.31	28.53	20.11
2020	15.61	17.11	33.02	42.29	54.33	71.29	71.68	69.72	59.12	40.02	36.63	24.42
2021	22.49	9.30	37.68	43.48	56.36	72.14	71.79	70.31	64.38	52.19	35.70	21.63
2022	11.09	14.00	29.19	37.51	56.24	69.19	71.95	68.52	62.82	49.13	30.58	13.72
2023	15.63	17.25	20.54	38.68	55.16	69.84	67.72	71.34	65.93	47.94	35.85	30.71
2024	14.96	30.69	32.70	46.57	58.26	66.50	70.77	67.39	65.61	51.79	32.57	20.94
2025	13.20	12.70	37.44	45.18	58.15	67.06	71.70	M	M	M	M	M
NCEI Climatology	14.40	18.78	30.30	43.95	57.15	67.70	72.25	69.80	61.60	47.75	32.90	20.25

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	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	73.2%	79.3%	72.2%	54.5%	71.6%	65.5%	71.5%	72.1%	69.6%	70.0%	M	M
2005	M	M	M	M	M	74.6%	M	70.2%	71.7%	73.2%	77.4%	87.8%
2006	85.7%	79.6%	82.5%	72.0%	68.4%	67.7%	68.6%	78.1%	M	M	71.0%	76.6%
2007	79.8%	81.7%	83.2%	68.5%	68.2%	74.6%	73.9%	83.0%	72.8%	72.1%	67.7%	86.3%
2008	80.9%	82.0%	78.3%	70.1%	64.4%	67.5%	69.0%	72.7%	72.1%	71.2%	80.1%	83.6%
2009	80.7%	78.7%	76.4%	68.7%	58.0%	70.0%	74.7%	77.2%	77.2%	84.4%	82.4%	90.4%
2010	87.7%	82.4%	82.5%	63.8%	66.8%	78.9%	79.8%	80.0%	79.5%	70.6%	79.6%	90.7%
2011	88.3%	85.8%	87.7%	79.9%	72.0%	76.4%	80.4%	79.6%	72.7%	66.9%	69.9%	79.0%
2012	80.1%	81.3%	77.9%	69.5%	69.6%	68.9%	75.7%	74.7%	59.4%	73.6%	79.0%	87.0%
2013	84.9%	90.2%	88.2%	81.9%	78.4%	79.0%	73.9%	78.7%	73.0%	74.1%	73.6%	81.3%
2014	78.0%	76.9%	78.3%	71.4%	66.1%	77.2%	76.0%	76.1%	78.0%	66.8%	77.5%	88.3%
2015	84.4%	78.7%	67.3%	55.4%	71.2%	74.7%	72.2%	80.0%	73.6%	66.3%	73.6%	90.5%
2016	88.3%	86.2%	78.3%	71.0%	60.8%	66.0%	76.5%	81.0%	79.4%	78.9%	78.3%	83.1%
2017	88.5%	79.7%	77.1%	74.0%	67.5%	55.0%	68.0%	83.7%	77.8%	68.7%	73.1%	75.5%
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	73.0%	63.9%	62.9%	58.5%	74.2%	79.8%	M	M	M	M	M