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 (USC00215888) 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	0.07	0.08	0.02	0.07	0.03	0.03
2003	0.08	0.14	0.36	0.12	0.06	17.64	0.07	0.01	0.07	0.00	0.33	0.29
2004	0.01	0.28	0.18	0.03	0.12	0.07	0.10	0.03	0.11	0.01	0.00	0.02
2005	0.02	0.01	0.12	0.05	0.05	0.04	0.01	0.05	0.12	0.03	0.20	0.13
2006	0.05	0.10	0.28	0.07	0.03	0.13	0.03	0.00	0.03	0.03	0.12	0.30
2007	0.34	0.21	0.15	0.04	0.04	0.09	0.01	0.18	0.03	0.11	0.02	0.13
2008	0.05	0.07	0.18	0.14	0.11	0.08	0.08	0.01	0.02	0.08	0.13	0.32
2009	0.06	0.06	0.05	0.09	0.04	0.10	0.01	0.05	0.01	0.15	0.01	0.63
2010	0.15	0.12	0.04	0.04	0.04	0.17	0.06	0.06	0.20	0.00	0.08	0.15
2011	0.15	0.29	0.12	0.12	0.05	0.08	0.08	0.01	0.00	0.01	0.02	0.13
2012	0.10	0.08	0.04	0.04	0.12	0.02	0.01	0.02	0.01	0.03	0.01	0.21
2013	0.03	0.11	0.15	0.41	0.08	0.00	0.02	0.02	0.03	0.03	0.13	0.14
2014	0.14	0.03	0.20	0.40	0.09	0.09	0.00	0.01	0.03	0.03	0.00	0.00
2015	0.00	0.00	0.00	0.00	0.01	0.00	0.01	0.03	0.03	0.00	0.01	0.00
2016	0.00	0.00	0.00	0.00	0.00	0.00	0.05	0.03	0.05	0.00	0.00	0.00
2017	0.00	0.00	0.01	0.05	0.02	0.03	0.02	0.04	0.02	0.02	0.00	0.00
2018	0.02	0.01	0.01	0.03	0.01	0.09	0.03	0.03	0.05	0.01	0.00	0.01
2019	0.00	0.00	0.00	0.01	0.01	0.00	0.02	0.00	0.01	0.04	0.00	0.00
2020	0.00	0.00	0.00	0.01	0.01	0.03	0.01	0.03	0.00	0.02	0.00	0.00
2021	0.00	0.00	0.00	0.00	0.01	0.01	0.01	0.00	0.00	0.03	0.00	0.01
2022	0.00	0.00	0.01	0.00	0.00	0.00	0.02	0.01	0.00	0.00	0.01	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	0.84	0.96	1.83	3.09	4.54	5.07	3.91	4.13	3.24	2.59	1.57	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	6.9	6.9	7.8	8.1	9.6	10.5
2003	12.4	11.6	11.6	12.1	11.0	8.2	7.2	5.6	8.6	9.2	11.7	11.7
2004	11.3	10.6	12.3	11.6	11.9	9.3	6.2	6.6	8.4	8.2	8.4	12.1
2005	10.5	10.0	10.6	10.9	12.3	8.1	M	3.5	7.7	7.2	11.7	8.9
2006	11.7	10.8	11.0	11.7	12.4	8.9	6.9	5.8	8.8	10.2	9.3	10.3
2007	12.1	10.6	10.0	12.7	13.3	9.1	6.5	6.3	9.7	9.7	11.6	8.6
2008	11.2	11.4	10.7	12.9	11.7	9.5	7.0	6.0	7.6	8.5	11.4	12.5
2009	11.4	12.2	11.5	11.9	9.6	7.8	9.8	M	M	M	7.7	10.8
2010	10.8	9.3	9.5	10.7	10.4	8.5	7.3	7.5	8.4	8.3	11.0	10.0
2011	10.4	11.3	10.5	11.9	11.8	10.0	6.2	5.3	5.9	9.2	10.7	9.9
2012	12.0	10.4	11.8	12.2	12.1	9.5	6.5	6.4	7.1	10.6	10.7	9.7
2013	11.0	11.3	12.0	13.0	11.8	9.0	7.6	5.7	7.6	9.5	12.3	10.2
2014	14.4	14.0	12.6	13.8	10.8	9.4	8.6	5.4	7.2	9.1	12.6	10.8
2015	11.1	12.5	11.8	12.6	11.9	9.2	7.5	7.8	7.6	10.1	11.7	10.7
2016	11.0	12.6	11.2	13.9	9.7	8.5	6.9	5.8	7.6	8.5	9.2	13.0
2017	10.0	7.4	11.9	9.6	10.1	9.6	6.7	6.4	8.2	10.7	11.0	11.0
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	10.7	M	M	5.1	M	M	M	M
2020	M	M	M	M	M	M	7.8	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	7.3	M	M
2022	M	M	M	M	M	M	M	M	5.3	M	M	M
2023	M	M	M	15.9	M	M	M	M	M	7.8	M	M
2024	M	M	M	9.9	9.5	M	M	M	M	M	M	M
2025	M	12.8	12.7	12.9	10.2	9.8	6.8	6.1	6.3	9.7	10.7	11.7
2026	11.1	11.1	11.8	13.0	11.6	9.8	5.5	6.7	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	86.30	78.90	75.10	49.84	41.64	36.27
2003	25.09	27.17	41.46	58.53	68.07	78.49	83.39	83.58	72.78	63.70	39.89	30.95
2004	21.63	29.16	44.13	63.84	67.85	75.84	80.24	76.11	76.86	64.20	47.20	32.65
2005	23.33	36.25	41.09	61.89	65.65	79.20	75.56	72.74	77.16	64.04	45.42	23.98
2006	33.82	29.09	40.96	63.07	68.97	80.93	85.49	79.85	68.96	56.75	45.82	36.95
2007	24.79	19.98	45.31	56.54	75.47	82.15	85.78	81.47	77.98	65.00	42.72	23.68
2008	21.19	24.45	38.81	52.05	70.34	79.74	84.24	75.16	73.09	66.30	43.06	23.23
2009	21.39	36.48	58.67	78.79	66.49	57.94	58.59	56.53	55.25	40.39	46.06	23.72
2010	27.40	51.24	56.18	63.31	74.02	79.60	84.50	80.36	87.86	68.45	49.34	26.04
2011	26.44	39.37	50.74	68.11	77.84	85.99	86.35	84.27	72.54	66.04	47.71	35.42
2012	32.50	35.59	58.73	61.99	75.90	84.13	89.37	83.14	78.47	57.97	47.62	30.85
2013	26.02	28.44	34.81	48.82	67.37	67.77	82.78	83.04	79.09	59.58	41.29	20.33
2014	21.05	17.83	35.63	54.18	70.44	78.86	80.06	81.41	73.49	61.28	33.27	30.17
2015	26.87	21.39	47.85	61.35	69.50	78.74	83.96	78.74	77.95	63.13	48.10	33.74
2016	23.45	31.48	48.63	58.84	71.97	80.32	81.76	80.32	74.97	61.49	52.26	26.80
2017	26.96	31.54	40.74	57.40	69.33	82.11	83.49	75.58	76.38	59.93	43.59	27.04
2018	24.35	22.18	36.49	45.09	77.75	79.63	82.11	80.25	73.59	54.20	33.27	29.80
2019	20.75	17.41	34.89	55.23	65.24	79.30	82.01	77.75	75.40	53.22	36.69	29.05
2020	25.39	28.05	43.78	56.13	68.11	84.87	83.91	81.65	70.72	51.67	46.74	32.57
2021	27.59	16.02	47.24	56.47	68.61	85.11	81.42	80.86	78.30	64.57	46.56	33.20
2022	22.35	25.59	39.99	49.35	70.80	78.98	83.42	79.73	76.45	63.59	42.57	23.38
2023	23.87	28.64	33.92	51.60	63.48	78.28	81.84	81.93	78.86	60.16	49.37	40.64
2024	25.70	43.45	48.94	59.55	73.09	78.70	81.70	79.31	80.94	69.66	44.04	31.84
2025	26.74	27.65	51.89	59.59	71.88	79.89	83.08	79.25	78.15	64.91	46.70	29.68
2026	22.83	38.11	49.66	59.32	68.28	78.73	84.90	78.51	M	M	M	M
NCEI Climatology	22.99	27.56	39.90	55.70	68.18	78.09	81.40	79.31	72.90	58.90	42.29	28.21

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	63.95	59.83	51.94	33.39	23.82	17.09
2003	8.32	6.72	21.02	36.79	46.20	56.96	62.28	59.73	47.90	37.93	23.71	17.26
2004	5.88	14.78	28.27	34.84	46.17	55.47	60.63	53.57	55.29	40.86	28.48	15.56
2005	8.52	19.94	21.41	40.96	47.21	59.87	75.53	61.10	54.31	39.88	26.61	11.38
2006	21.68	10.55	24.10	41.29	47.30	59.20	62.90	62.31	48.64	34.38	24.79	21.11
2007	10.48	5.11	29.00	35.59	52.51	58.28	58.35	61.27	50.41	43.98	25.72	7.95
2008	4.90	6.01	16.13	23.93	36.09	45.40	50.99	42.45	36.13	30.23	23.10	2.24
2009	-0.05	4.80	8.54	8.19	33.19	47.38	51.42	51.40	52.83	39.54	23.50	5.53
2010	-4.91	-4.90	1.20	15.18	33.51	32.44	30.52	26.48	10.59	14.13	11.87	6.01
2011	-1.69	-2.48	8.44	19.90	22.48	22.50	29.52	10.62	13.25	41.07	26.26	17.87
2012	14.64	18.98	38.61	39.59	53.27	60.37	66.58	57.57	46.37	35.84	26.97	11.39
2013	8.52	9.94	18.04	31.91	47.33	51.98	59.68	59.57	53.26	38.18	21.19	4.06
2014	-1.36	0.45	18.11	34.65	47.52	60.84	58.49	60.71	49.98	36.94	14.96	18.78
2015	11.06	2.78	25.05	36.07	48.10	58.67	62.74	57.91	52.21	40.77	31.91	22.04
2016	9.14	17.33	32.72	39.35	49.31	50.60	62.51	60.86	55.80	41.89	33.26	12.80
2017	13.91	15.25	23.45	39.73	46.67	58.22	-96.57	-33.09	30.47	-199.43	-284.31	-74.83
2018	-245.70	-43.70	-41.79	-40.81	54.60	63.28	62.23	60.76	54.06	35.12	19.90	15.72
2019	3.85	-0.57	18.66	36.95	44.89	58.90	63.01	58.01	55.88	36.01	23.01	13.63
2020	11.18	7.12	29.68	32.51	47.59	61.78	62.86	60.23	49.75	32.49	26.20	13.52
2021	12.00	-0.08	29.22	34.75	44.96	58.86	59.57	57.66	51.05	43.58	26.85	14.75
2022	-1.42	3.03	25.33	32.30	48.82	58.46	62.70	59.28	48.99	36.31	23.44	8.33
2023	8.32	7.45	17.43	36.13	51.25	60.46	58.43	61.32	53.83	40.86	24.91	23.44
2024	13.19	21.25	23.50	38.23	48.87	60.07	62.44	60.03	52.77	41.26	29.75	17.23
2025	5.80	6.14	28.39	35.65	47.80	60.78	63.71	59.80	53.44	43.33	27.69	9.81
2026	7.78	18.71	25.82	35.57	42.78	57.82	65.12	59.18	M	M	M	M
NCEI Climatology	3.60	6.80	20.29	33.10	46.00	56.79	60.50	58.40	49.49	36.30	23.19	11.50

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	75.13	69.36	63.52	41.62	32.73	26.68
2003	16.70	16.95	31.24	47.66	57.13	67.72	72.83	71.66	60.34	50.82	31.80	24.11
2004	13.76	21.97	36.20	49.34	57.01	65.65	70.43	64.84	66.07	52.53	37.84	24.10
2005	15.92	28.09	31.25	51.42	56.43	69.54	75.55	66.92	65.73	51.96	36.01	17.68
2006	27.75	19.82	32.53	52.18	58.14	70.07	74.20	71.08	58.80	45.56	35.31	29.03
2007	17.64	12.54	37.16	46.06	63.99	70.21	72.06	71.37	64.19	54.49	34.22	15.81
2008	13.04	15.23	27.47	37.99	53.22	62.57	67.61	58.81	54.61	48.26	33.08	12.73
2009	10.67	20.64	33.60	43.49	49.84	52.66	55.01	53.96	54.04	39.96	34.78	14.62
2010	11.24	23.17	28.69	39.25	53.76	56.02	57.51	53.42	49.23	41.29	30.60	16.03
2011	12.37	18.44	29.59	44.00	50.16	54.24	57.94	47.45	42.90	53.55	36.99	26.64
2012	23.57	27.28	48.67	50.79	64.58	72.25	77.98	70.35	62.42	46.90	37.29	21.12
2013	17.27	19.19	26.43	40.37	57.35	59.88	71.23	71.31	66.18	48.88	31.24	12.20
2014	9.85	9.14	26.87	44.41	58.98	69.85	69.27	71.06	61.74	49.11	24.12	24.47
2015	18.96	12.08	36.45	48.71	58.80	68.70	73.35	68.33	65.08	51.95	40.00	27.89
2016	16.29	24.41	40.67	49.09	60.64	65.46	72.13	70.59	65.38	51.69	42.76	19.80
2017	20.43	23.39	32.10	48.57	58.00	70.16	-6.54	21.25	53.42	-69.75	-120.36	-23.90
2018	-110.68	-10.76	-2.65	2.14	66.18	71.45	72.17	70.51	63.83	44.66	26.58	22.76
2019	12.30	8.42	26.77	46.09	55.07	69.10	72.51	67.88	65.64	44.61	29.85	21.34
2020	18.29	17.59	36.73	44.32	57.85	73.32	73.39	70.94	60.24	42.08	36.47	23.05
2021	19.79	7.97	38.23	45.61	56.78	71.98	70.50	69.26	64.68	54.07	36.70	23.98
2022	10.46	14.31	32.66	40.83	59.81	68.72	73.06	69.51	62.72	49.95	33.00	15.86
2023	16.09	18.04	25.68	43.86	57.36	69.37	70.13	71.62	66.35	50.51	37.14	32.04
2024	19.44	32.35	36.22	48.89	60.98	69.38	72.07	69.67	66.85	55.46	36.89	24.54
2025	16.27	16.89	40.14	47.62	59.84	70.34	73.40	69.52	65.79	54.12	37.19	19.74
2026	15.31	28.41	37.74	47.45	55.53	68.27	75.01	68.85	M	M	M	M
NCEI Climatology	13.30	17.18	30.10	44.40	57.09	67.44	70.95	68.85	61.20	47.60	32.74	19.86

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	73.7%	77.1%	69.2%	77.7%	73.2%	73.2%
2003	71.1%	72.2%	74.5%	63.5%	61.6%	66.2%	75.3%	74.3%	67.8%	67.8%	75.5%	83.9%
2004	75.3%	83.8%	78.5%	58.8%	69.4%	66.4%	78.4%	77.3%	73.1%	72.5%	76.8%	77.5%
2005	80.0%	81.6%	75.4%	67.3%	69.5%	72.6%	M	73.8%	74.8%	73.9%	78.8%	86.5%
2006	86.4%	77.2%	82.0%	67.1%	64.4%	69.4%	76.9%	84.1%	77.6%	72.3%	80.3%	83.3%
2007	86.2%	85.4%	86.9%	69.2%	67.7%	73.1%	75.5%	81.9%	72.0%	79.0%	73.8%	90.9%
2008	86.1%	87.1%	84.0%	80.5%	71.1%	75.6%	80.4%	86.7%	82.2%	77.9%	85.9%	87.1%
2009	85.6%	85.9%	85.2%	74.1%	69.8%	85.4%	84.0%	M	M	M	90.4%	91.0%
2010	89.1%	89.1%	85.2%	72.6%	67.6%	83.1%	87.7%	85.3%	86.6%	79.4%	83.3%	91.0%
2011	88.9%	86.1%	86.1%	83.2%	79.6%	82.2%	89.6%	92.3%	80.5%	69.6%	75.1%	85.1%
2012	86.2%	84.2%	83.6%	70.2%	70.9%	69.8%	80.7%	78.2%	64.1%	76.0%	80.8%	88.4%
2013	84.9%	89.3%	86.0%	83.0%	79.0%	78.6%	77.1%	82.3%	80.4%	79.6%	82.3%	87.6%
2014	85.1%	82.8%	83.8%	80.1%	74.0%	79.9%	73.0%	80.9%	77.3%	69.0%	77.7%	88.0%
2015	83.7%	74.3%	66.5%	58.4%	70.6%	71.1%	76.7%	80.4%	78.1%	67.2%	79.3%	91.6%
2016	89.8%	89.4%	85.6%	70.3%	36.8%	69.4%	78.4%	81.9%	77.1%	77.7%	78.3%	77.5%
2017	82.2%	71.2%	72.0%	69.7%	64.8%	60.5%	76.7%	82.3%	77.2%	72.5%	71.2%	73.1%
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	78.3%	M	M	84.5%	M	M	M	M
2020	M	M	M	M	M	M	80.5%	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	67.1%	M	M
2022	M	M	M	M	M	M	M	M	79.9%	M	M	M
2023	M	M	M	59.2%	M	M	M	M	M	61.2%	M	M
2024	M	M	M	35.8%	41.5%	M	M	M	M	M	M	M
2025	M	69.8%	68.0%	64.1%	57.8%	73.5%	82.6%	84.7%	78.9%	70.9%	75.2%	84.0%
2026	77.4%	76.3%	75.4%	67.0%	49.8%	67.7%	82.3%	79.3%	M	M	M	M