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 (USC00213311) 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	0.06	0.00	0.07	0.01	0.01
2003	0.05	0.40	0.33	0.06	0.04	11.33	0.00	0.01	0.00	0.00	0.18	0.03
2004	0.00	0.02	0.02	0.00	0.00	0.00	0.00	0.01	0.01	0.01	0.00	0.00
2005	0.01	0.00	0.00	0.01	0.00	0.00	0.00	0.00	0.00	0.01	0.13	0.07
2006	0.01	0.01	0.10	0.02	0.00	0.03	0.03	0.04	0.02	0.01	0.00	0.03
2007	0.02	0.16	0.23	0.07	0.01	0.04	0.00	0.04	0.00	0.00	0.00	0.00
2008	0.00	0.01	0.05	0.06	0.01	0.02	0.02	0.00	0.00	0.02	0.01	0.04
2009	0.02	0.02	0.01	0.00	0.00	0.00	0.00	0.00	0.02	0.09	0.01	0.18
2010	0.05	0.05	0.01	0.00	0.02	0.05	0.06	0.11	0.09	0.01	0.05	0.19
2011	0.08	0.15	0.07	0.01	0.02	0.04	0.03	0.01	0.00	0.00	0.05	0.00
2012	0.01	0.07	0.02	0.01	0.03	0.06	0.00	0.03	0.00	0.04	0.01	0.18
2013	0.00	0.07	0.04	0.22	0.02	0.00	0.00	0.02	0.01	0.01	0.05	0.03
2014	0.08	0.03	0.09	0.06	0.04	0.13	0.00	0.01	0.00	0.00	0.01	0.00
2015	0.00	0.00	0.00	0.00	0.00	0.01	0.03	0.03	0.00	0.01	0.02	0.01
2016	0.00	0.01	0.00	0.01	0.01	0.01	0.04	0.01	0.02	0.01	0.00	0.00
2017	0.00	0.00	0.01	0.00	0.01	0.00	0.01	0.04	0.00	0.01	0.00	0.00
2018	0.00	0.00	0.00	0.02	0.01	0.04	0.04	0.02	0.03	0.01	0.00	0.01
2019	0.00	0.01	0.02	0.03	0.01	0.02	0.00	0.00	0.03	0.01	0.00	0.00
2020	0.00	0.02	0.01	0.00	0.00	0.01	0.01	0.00	0.00	0.01	0.01	0.00
2021	0.00	0.00	0.00	0.01	0.00	0.00	0.00	0.01	0.00	0.00	0.00	0.00
2022	0.01	0.00	0.01	0.01	0.06	0.00	0.02	0.02	0.01	0.00	0.01	0.01
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	0.81	0.87	1.47	2.41	3.50	4.56	3.27	3.81	3.18	2.35	1.37	1.08

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	10.9	10.8	11.7	11.4	11.8	8.7	6.5	7.5	9.7	10.2	8.7	11.7
2005	9.1	9.4	10.6	11.2	12.8	8.7	M	9.6	8.8	8.4	11.5	9.1
2006	10.8	10.2	11.3	12.1	11.7	8.5	7.2	7.5	8.4	10.6	9.6	9.1
2007	10.6	11.1	11.3	12.6	13.7	9.8	7.3	6.8	10.1	10.6	11.0	8.7
2008	9.6	10.5	10.5	12.0	11.8	9.1	7.5	7.4	8.9	9.4	11.0	11.7
2009	10.2	11.1	11.3	11.8	11.1	7.9	7.3	7.2	7.1	8.5	7.3	9.9
2010	10.1	9.3	9.6	10.5	10.8	8.6	7.5	7.9	8.7	8.5	10.6	9.3
2011	8.5	9.6	9.8	11.6	11.9	10.0	6.7	5.9	7.0	9.6	10.0	9.2
2012	10.7	9.3	11.3	12.6	10.9	9.0	6.6	6.6	7.3	10.6	9.7	8.6
2013	10.5	10.1	11.5	12.0	11.6	9.1	7.6	6.0	8.3	9.6	11.1	9.1
2014	11.9	11.1	11.2	13.5	10.2	9.5	8.3	6.5	8.2	9.6	11.7	10.5
2015	10.0	11.0	10.9	12.0	11.1	8.6	6.9	7.3	8.0	9.7	10.3	9.1
2016	8.9	10.6	9.8	12.3	9.1	7.3	7.2	6.3	8.2	9.3	9.7	11.4
2017	9.2	10.3	11.2	9.9	9.4	8.8	6.9	6.0	8.0	9.8	10.3	9.8
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	10.9	10.4	11.8	9.9	8.8	7.2	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	86.78	78.29	74.57	47.86	41.29	35.00
2003	24.08	23.98	39.91	57.95	67.54	77.53	83.78	83.38	71.79	62.52	37.51	30.46
2004	21.29	29.23	44.35	62.37	67.09	75.74	81.56	75.89	76.65	60.34	47.11	32.84
2005	21.64	35.01	42.65	62.48	66.56	78.04	76.17	80.70	78.17	62.36	44.72	24.59
2006	33.50	26.81	39.94	62.92	71.79	81.39	88.29	81.10	68.90	57.14	46.75	36.80
2007	27.56	21.64	45.07	54.36	74.54	82.02	86.56	79.80	76.52	63.52	42.85	22.99
2008	22.73	25.89	37.24	53.64	68.34	78.79	93.25	92.90	85.15	65.20	42.08	22.21
2009	18.81	29.76	39.59	56.45	72.64	76.35	79.45	78.53	76.45	48.10	47.64	21.24
2010	17.92	22.20	45.30	66.44	70.12	78.73	84.82	84.51	69.93	64.10	41.52	20.72
2011	17.79	24.37	33.70	52.99	67.01	78.68	88.53	82.54	73.47	65.21	46.89	37.15
2012	34.01	36.09	57.31	60.55	73.28	83.26	89.67	81.97	77.01	56.11	45.24	28.21
2013	24.76	25.65	31.48	46.87	66.72	66.02	81.23	82.17	77.53	56.38	40.86	18.46
2014	21.54	18.85	36.09	52.54	69.00	78.12	80.01	80.37	73.16	60.99	31.70	30.11
2015	26.90	20.76	47.45	60.38	68.66	78.12	84.58	78.39	78.21	63.02	48.60	32.74
2016	24.05	31.44	48.19	58.40	71.73	81.75	82.02	80.40	73.33	60.67	51.04	25.63
2017	25.07	40.40	41.67	57.78	68.87	80.85	84.14	75.99	75.54	59.64	43.00	27.49
2018	25.04	22.98	-8.85	44.16	-45.48	79.64	82.21	80.09	72.69	53.15	33.49	30.19
2019	19.49	14.06	33.58	53.89	64.26	79.70	82.76	77.88	73.99	52.15	37.42	27.67
2020	24.08	27.39	43.37	55.50	66.11	84.24	84.37	81.48	71.57	51.39	48.52	35.88
2021	29.19	16.99	48.30	55.77	69.78	85.81	84.57	82.84	68.12	51.99	46.16	30.04
2022	21.67	25.35	38.17	46.81	68.44	82.86	84.26	81.12	77.23	63.67	40.66	22.18
2023	23.03	28.39	30.84	51.16	76.34	83.37	82.09	83.46	78.73	59.13	48.57	41.14
2024	24.13	42.27	45.68	58.95	71.86	77.67	82.30	79.07	80.96	67.11	42.00	29.70
2025	25.33	25.27	50.92	58.46	72.05	78.76	82.62	M	M	M	M	M
NCEI Climatology	24.10	29.19	41.99	57.41	70.91	80.20	85.00	81.90	75.10	59.70	42.80	28.60

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	64.05	59.79	51.07	31.81	23.31	16.65
2003	7.25	4.16	19.67	36.40	45.16	56.88	61.22	59.85	48.36	39.36	21.66	16.55
2004	3.70	14.21	26.26	33.98	44.97	54.71	60.01	53.87	54.44	39.82	27.76	14.53
2005	6.34	17.04	21.37	40.20	46.62	59.30	76.10	72.35	55.66	40.32	25.39	12.69
2006	20.91	8.15	24.49	40.54	50.52	58.53	63.58	61.36	48.27	34.05	22.73	19.41
2007	10.91	4.50	27.37	34.37	51.84	59.19	62.16	59.73	51.11	43.35	24.75	7.04
2008	3.47	4.55	19.33	31.41	45.49	57.78	73.58	74.32	64.68	44.41	22.83	1.06
2009	-0.78	11.37	24.56	33.91	45.59	55.98	56.70	57.22	52.18	35.75	32.97	6.80
2010	2.53	5.43	28.77	41.36	48.07	58.66	62.81	63.67	49.51	40.31	25.12	6.11
2011	-0.12	5.30	16.75	35.80	47.18	59.13	67.90	60.14	47.73	41.37	24.99	17.29
2012	13.34	16.92	35.21	39.11	52.19	60.70	67.49	58.04	46.36	35.86	24.93	10.79
2013	5.65	6.68	15.31	30.48	46.92	51.31	62.11	60.70	54.15	38.46	20.98	1.50
2014	-1.79	-0.49	17.76	33.13	47.74	59.54	60.12	60.78	50.58	38.49	14.79	18.05
2015	11.96	2.44	25.45	35.24	47.14	58.38	63.43	54.55	55.80	40.71	31.16	19.52
2016	8.57	17.49	30.81	37.16	48.48	59.70	61.28	60.74	54.23	40.39	32.53	10.01
2017	11.08	21.01	22.94	36.87	24.83	58.65	-96.33	-32.25	30.79	-243.73	-306.97	-74.90
2018	-77.19	-44.22	-106.97	-40.39	-63.69	62.77	62.32	60.99	53.32	34.56	18.21	14.64
2019	2.54	-2.30	18.13	35.49	43.94	58.44	63.62	58.47	54.55	35.57	23.22	12.80
2020	8.10	6.93	26.86	31.69	47.05	62.02	63.12	60.27	49.23	32.45	27.85	14.05
2021	15.12	2.14	30.17	35.07	46.84	61.11	62.67	60.43	57.98	36.79	26.44	12.36
2022	-2.69	0.98	23.56	30.98	48.91	61.08	63.88	59.71	51.43	37.43	23.70	6.96
2023	7.55	6.40	12.52	31.45	50.26	61.73	59.11	61.28	54.75	40.52	25.00	24.31
2024	10.55	21.68	23.36	38.07	49.55	59.47	62.42	60.32	53.97	42.03	27.36	15.95
2025	4.66	4.44	26.15	34.42	48.26	59.02	63.82	M	M	M	M	M
NCEI Climatology	2.70	6.78	19.69	32.90	45.10	55.31	59.80	57.51	48.00	35.40	22.29	9.69

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	75.42	69.04	62.82	39.84	32.30	25.82
2003	15.67	14.07	29.79	47.18	56.35	67.21	72.50	71.62	60.08	50.94	29.59	23.50
2004	12.49	21.72	35.31	48.17	56.03	65.22	70.78	64.88	65.55	50.08	37.44	23.68
2005	13.99	26.02	32.01	51.34	56.59	68.67	76.14	76.52	66.91	51.34	35.05	18.64
2006	27.21	17.48	32.21	51.73	61.16	69.96	75.93	71.23	58.59	45.60	34.74	28.10
2007	19.23	13.07	36.22	44.37	63.19	70.60	74.36	69.77	63.81	53.44	33.80	15.02
2008	13.10	15.22	28.29	42.53	56.92	68.29	83.41	83.61	74.92	54.80	32.46	11.64
2009	9.02	20.56	32.07	45.18	59.12	66.16	68.08	67.88	64.32	41.92	40.31	14.02
2010	10.22	13.81	37.04	53.90	59.10	68.70	73.82	74.09	59.72	52.21	33.32	13.42
2011	8.84	14.84	25.22	44.40	57.10	68.90	78.22	71.34	60.60	53.29	35.94	27.22
2012	23.67	26.51	46.26	49.83	62.74	71.98	78.58	70.00	61.69	45.99	35.08	19.50
2013	15.20	16.17	23.39	38.68	56.82	58.66	71.67	71.43	65.84	47.42	30.92	9.98
2014	9.88	9.18	26.92	42.83	58.37	68.83	70.07	70.58	61.87	49.74	23.24	24.08
2015	19.43	11.60	36.45	47.81	57.90	68.25	74.00	66.47	67.01	51.86	39.88	26.13
2016	16.31	24.46	39.50	47.78	60.11	70.72	71.65	70.57	63.78	50.53	41.79	17.82
2017	18.08	30.70	32.30	47.33	46.85	69.75	-6.09	21.87	53.17	-92.04	-131.98	-23.71
2018	-26.08	-10.62	-57.91	1.89	-54.59	71.20	72.26	70.54	63.01	43.85	25.85	22.42
2019	11.02	5.88	25.85	44.69	54.10	69.07	73.19	68.17	64.27	43.86	30.32	20.23
2020	16.09	17.16	35.12	43.60	56.58	73.13	73.75	70.87	60.40	41.92	38.19	24.96
2021	22.16	9.56	39.24	45.42	58.31	73.46	73.62	71.63	63.05	44.39	36.30	21.20
2022	9.49	13.16	30.86	38.89	58.67	71.97	74.07	70.41	64.33	50.55	32.18	14.57
2023	15.29	17.39	21.68	41.31	63.30	72.55	70.60	72.37	66.74	49.83	36.78	32.72
2024	17.34	31.98	34.52	48.51	60.70	68.57	72.36	69.70	67.46	54.57	34.68	22.82
2025	15.00	14.86	38.53	46.44	60.16	68.89	73.22	M	M	M	M	M
NCEI Climatology	13.40	17.98	30.84	45.16	58.00	67.75	72.40	69.70	61.55	47.55	32.55	19.15

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	69.2%	77.5%	70.6%	51.8%	61.2%	61.3%	68.8%	70.1%	67.8%	68.9%	69.4%	70.3%
2005	74.3%	74.3%	67.0%	58.9%	63.8%	70.2%	M	59.5%	62.5%	73.7%	81.0%	91.0%
2006	90.9%	82.1%	86.3%	71.6%	68.6%	69.9%	73.4%	80.4%	80.0%	69.6%	71.3%	79.0%
2007	80.4%	81.6%	84.5%	66.0%	65.7%	70.7%	72.8%	82.3%	72.2%	77.8%	71.5%	91.5%
2008	87.1%	85.4%	83.1%	75.2%	66.7%	70.8%	74.9%	78.2%	77.9%	75.4%	79.2%	82.7%
2009	80.8%	80.1%	78.9%	66.7%	57.3%	68.4%	71.6%	76.6%	75.1%	83.7%	81.7%	88.0%
2010	86.7%	85.6%	82.1%	61.1%	64.4%	73.4%	76.3%	78.9%	76.3%	70.3%	79.9%	87.7%
2011	84.9%	81.4%	83.9%	75.5%	70.4%	71.8%	77.4%	77.8%	70.1%	67.7%	72.2%	75.6%
2012	76.9%	77.9%	78.2%	66.6%	66.8%	65.8%	74.5%	74.3%	60.0%	72.1%	77.5%	85.4%
2013	80.6%	85.5%	84.1%	77.9%	74.1%	73.4%	70.7%	76.3%	74.0%	72.7%	71.3%	74.9%
2014	70.3%	69.2%	72.7%	70.5%	62.2%	72.2%	68.9%	79.9%	75.1%	65.6%	74.1%	85.8%
2015	81.4%	58.0%	60.4%	52.3%	47.9%	15.2%	67.2%	79.7%	72.9%	65.1%	73.8%	85.4%
2016	81.0%	79.2%	75.6%	65.0%	56.4%	65.8%	75.4%	80.3%	76.2%	75.6%	77.2%	76.5%
2017	81.1%	72.5%	69.0%	68.3%	62.3%	57.3%	70.6%	80.8%	77.8%	68.4%	71.3%	71.1%
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	74.0%	67.0%	63.2%	56.4%	72.1%	81.5%	M	M	M	M	M