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 (USC00214453) 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	0.01	0.20	0.02	0.08	0.03	0.01
2003	0.03	0.07	0.16	0.16	0.08	19.07	0.02	0.03	0.03	0.00	0.03	0.03
2004	0.00	0.01	0.01	0.00	0.00	M	M	0.00	0.05	M	0.01	0.00
2005	0.06	0.02	0.09	0.01	0.03	0.00	0.01	0.02	0.06	0.01	0.06	0.01
2006	0.00	0.01	0.10	0.05	0.00	0.02	0.00	0.01	0.00	0.01	0.05	0.03
2007	0.06	0.02	0.27	0.02	0.01	0.00	0.01	0.07	0.01	0.03	0.01	0.04
2008	0.02	0.01	0.07	0.07	0.03	0.04	0.01	0.00	0.00	0.02	0.01	0.03
2009	0.01	0.01	0.02	0.02	0.00	0.01	0.00	0.00	0.02	0.06	0.03	0.31
2010	0.05	0.02	0.03	0.05	0.04	0.09	0.08	0.04	0.15	0.03	0.14	0.24
2011	0.06	0.06	0.01	0.10	0.05	0.12	0.13	0.00	0.00	0.00	0.00	0.04
2012	0.05	0.07	0.03	0.03	0.21	0.02	0.04	0.04	0.02	0.05	0.01	0.09
2013	0.00	0.05	0.08	0.20	0.10	0.00	0.00	0.05	0.31	0.01	0.01	0.00
2014	0.00	0.00	0.00	0.00	0.00	0.02	0.00	0.02	0.00	0.00	0.00	0.00
2015	0.00	0.00	0.00	0.00	0.00	0.00	0.01	0.02	0.01	0.02	0.01	0.01
2016	0.00	0.00	0.01	0.02	0.01	0.03	0.04	0.01	0.02	0.00	0.00	0.00
2017	0.00	0.00	0.00	0.00	0.01	0.02	0.00	0.03	0.00	0.02	0.00	0.00
2018	0.01	0.00	0.00	0.01	0.03	0.06	0.04	0.03	0.00	0.01	0.00	0.02
2019	0.00	0.00	0.02	0.01	0.01	0.01	0.02	0.00	0.01	0.03	0.01	0.00
2020	0.00	0.00	0.00	0.01	0.04	0.03	0.00	0.00	0.00	0.01	0.00	0.01
2021	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.03	0.02	0.00	0.01
2022	0.01	0.00	0.00	0.00	0.01	0.02	0.03	0.02	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	0.62	0.70	1.53	3.03	4.48	4.47	4.16	4.10	3.11	2.28	1.24	0.79

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	8.1	8.2	8.7	9.4	11.2	11.7
2003	13.4	13.4	13.6	13.3	11.6	9.4	9.3	7.0	9.5	10.3	12.0	13.9
2004	12.3	12.8	14.0	12.3	M	M	M	7.1	9.7	M	9.9	13.0
2005	11.8	11.3	12.3	12.3	13.8	9.7	M	6.1	9.0	9.3	13.2	8.1
2006	12.8	12.9	12.9	12.8	14.4	9.4	7.5	7.0	7.8	10.8	10.0	11.3
2007	13.3	10.4	11.9	13.3	13.5	11.5	7.9	7.2	10.9	11.6	12.7	9.5
2008	12.0	11.7	11.4	14.2	12.7	10.0	7.1	6.5	7.9	9.0	12.3	13.8
2009	12.6	12.8	12.4	12.8	10.1	11.2	12.4	M	M	M	9.6	11.5
2010	11.2	10.4	11.1	11.6	11.6	8.9	7.0	7.5	8.3	9.3	12.6	10.4
2011	11.8	12.2	11.6	12.5	13.9	11.1	8.1	6.8	8.3	11.9	12.9	10.5
2012	12.4	10.9	12.2	12.8	13.0	10.0	6.6	6.9	7.4	12.3	11.3	10.8
2013	11.8	12.0	12.0	12.7	12.1	9.5	8.6	6.7	9.0	10.7	13.2	11.1
2014	15.6	16.1	14.2	16.1	12.6	10.6	9.7	6.4	8.8	10.8	16.2	14.4
2015	14.2	15.8	14.1	14.1	14.5	11.5	8.5	9.8	9.2	10.7	12.2	11.7
2016	11.6	13.0	11.3	14.7	9.7	9.3	7.0	5.9	8.2	9.5	10.7	13.7
2017	10.5	12.5	13.0	11.9	10.9	8.9	7.2	6.2	8.5	11.2	11.5	12.0
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	2.6	M	M	4.5	M	M	M	M
2020	10.7	11.7	11.8	10.8	11.3	11.1	6.2	7.1	7.8	9.5	11.8	10.6
2021	10.6	9.1	11.9	11.5	9.4	7.0	4.7	7.6	8.2	9.5	12.4	11.7
2022	13.5	13.8	12.1	15.6	12.5	10.1	6.8	6.2	6.9	9.1	12.8	13.1
2023	10.7	12.4	12.5	15.5	11.1	7.7	6.7	8.0	8.7	11.5	11.1	10.5
2024	11.3	11.5	12.5	14.1	11.5	10.4	6.7	6.6	7.5	11.3	11.3	11.1
2025	12.7	12.1	13.4	13.7	10.7	10.1	7.5	6.8	7.1	12.1	11.4	12.7
2026	12.0	11.7	13.2	13.8	11.3	9.3	5.4	6.0	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	87.01	78.52	73.89	49.16	41.34	35.69
2003	25.46	27.70	41.91	57.72	66.29	77.07	82.35	81.70	71.40	62.79	39.23	30.19
2004	21.47	27.17	44.29	60.88	M	M	M	76.74	76.51	M	44.20	31.86
2005	22.37	35.98	40.70	60.79	65.66	77.55	74.94	70.47	75.84	58.58	41.39	16.75
2006	30.48	25.84	38.66	57.93	70.91	80.16	86.38	79.48	68.23	56.37	45.73	35.82
2007	25.01	18.98	45.16	54.58	73.53	80.68	84.05	79.21	74.61	63.11	42.63	23.23
2008	20.36	22.67	35.44	51.19	66.47	76.82	82.88	79.94	72.68	60.29	40.71	22.51
2009	19.48	31.28	41.44	55.51	67.61	72.00	71.92	67.49	67.84	40.19	48.58	21.91
2010	16.80	23.69	44.75	65.03	69.49	77.93	83.22	83.89	71.44	65.35	41.72	21.93
2011	18.33	24.95	35.97	52.96	67.30	77.61	86.55	80.74	71.88	65.14	47.10	34.53
2012	31.92	34.03	59.17	62.46	73.84	82.52	88.26	82.13	77.18	56.80	47.01	31.19
2013	25.37	28.82	34.32	48.00	65.93	65.64	81.28	80.30	77.04	57.82	40.88	19.25
2014	21.40	12.60	35.84	54.43	70.24	77.14	78.00	78.63	72.16	61.71	34.03	30.89
2015	26.47	21.66	47.09	60.11	67.89	77.68	83.48	77.22	77.14	62.52	46.42	31.51
2016	20.64	30.32	47.67	57.53	70.54	81.98	81.95	80.79	75.64	62.16	52.09	26.81
2017	26.90	40.38	40.84	58.48	69.12	31.11	84.25	76.20	76.74	59.33	43.66	27.51
2018	25.03	22.31	36.55	44.97	75.87	80.92	82.16	79.22	72.40	53.66	33.99	29.35
2019	20.36	16.57	34.10	50.79	62.63	78.63	81.61	77.27	75.31	51.77	36.70	28.21
2020	24.85	27.21	43.14	56.26	65.28	83.89	83.32	82.23	71.80	51.84	48.06	34.30
2021	28.96	17.44	47.89	57.07	68.11	85.71	82.24	81.41	77.30	62.99	46.10	34.23
2022	23.82	26.43	39.90	49.32	69.53	80.70	82.77	79.58	76.75	60.30	41.58	22.30
2023	23.17	27.51	32.78	48.27	61.39	76.15	80.05	81.21	78.32	58.84	48.96	39.59
2024	24.28	43.35	47.41	58.26	71.46	78.43	81.25	78.79	78.61	67.07	42.67	30.10
2025	25.25	24.72	49.87	57.91	77.05	80.68	82.25	78.23	77.97	64.20	45.23	30.11
2026	24.14	39.92	51.19	58.66	67.25	76.45	84.89	80.22	M	M	M	M
NCEI Climatology	22.00	26.86	39.40	54.90	67.91	78.20	81.40	78.90	72.69	58.70	41.61	27.51

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	64.12	59.33	51.66	32.35	22.93	16.57
2003	7.58	6.29	20.50	37.08	46.53	56.12	61.12	60.01	46.27	38.14	22.38	18.09
2004	5.12	14.17	27.93	34.56	M	M	M	51.78	56.32	M	26.70	15.54
2005	7.98	19.09	20.74	40.81	46.60	59.85	74.40	62.68	55.59	44.86	32.54	13.64
2006	26.86	14.35	23.82	45.34	50.28	58.49	63.01	60.72	46.86	34.08	24.01	20.06
2007	9.62	4.48	28.77	33.31	52.77	59.14	60.98	62.52	51.39	43.71	24.80	8.77
2008	3.86	4.60	20.52	32.79	44.86	56.53	62.32	58.20	49.80	38.63	26.68	2.50
2009	1.07	13.22	26.16	34.05	55.67	65.17	66.75	65.04	61.94	36.70	33.05	5.84
2010	1.39	5.17	27.85	40.89	47.56	57.99	62.21	63.31	48.29	38.65	24.94	6.33
2011	1.07	7.88	21.29	35.14	46.42	58.71	67.27	58.58	46.27	40.45	25.34	15.60
2012	13.72	17.59	37.35	38.83	52.31	60.13	66.82	57.97	45.92	35.24	25.93	12.71
2013	7.57	11.35	18.84	30.16	46.82	50.29	59.84	59.51	53.35	37.56	20.05	1.91
2014	-1.35	-0.83	17.47	32.97	47.01	58.80	57.37	60.65	50.30	38.43	15.91	19.05
2015	11.65	3.45	25.19	36.96	47.67	59.18	62.60	57.65	56.86	41.51	30.68	20.31
2016	7.17	17.44	31.31	39.37	49.07	60.66	62.45	60.72	55.47	41.47	33.87	11.25
2017	15.74	22.60	24.37	38.78	24.54	-14.08	-95.61	-33.40	30.86	-199.33	-239.42	-74.54
2018	-179.84	-87.95	-61.25	-39.84	54.44	63.05	58.02	59.92	54.16	33.69	18.54	15.56
2019	3.98	-0.37	19.24	34.83	45.35	58.91	63.09	57.56	56.20	34.87	22.69	11.30
2020	8.94	7.49	27.95	30.83	47.48	61.78	62.56	59.47	48.90	31.99	26.13	14.41
2021	14.19	1.48	30.22	35.01	47.28	60.31	60.93	59.27	51.91	43.60	26.41	15.39
2022	-0.91	3.17	24.13	30.86	48.25	60.18	62.68	58.65	53.43	32.09	22.79	7.26
2023	8.27	8.44	16.31	34.66	51.16	61.50	57.63	60.99	54.34	40.15	24.63	23.14
2024	11.17	23.53	23.57	37.78	49.42	59.13	61.62	59.20	52.40	40.34	27.49	14.65
2025	3.43	3.33	25.61	34.23	42.36	59.90	63.42	59.56	53.40	44.07	27.56	10.13
2026	6.71	18.64	25.73	35.58	42.60	56.40	65.85	60.50	M	M	M	M
NCEI Climatology	4.69	8.58	20.69	32.51	45.80	56.89	60.29	57.50	48.90	35.90	22.50	11.00

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	75.57	68.93	62.77	40.76	32.14	26.13
2003	16.52	17.00	31.20	47.40	56.41	66.59	71.74	70.86	58.83	50.47	30.81	24.14
2004	13.29	20.67	36.11	47.72	M	M	M	64.26	66.42	M	35.45	23.70
2005	15.18	27.54	30.72	50.80	56.13	68.70	74.67	66.57	65.72	51.72	36.97	15.19
2006	28.67	20.10	31.24	51.64	60.59	69.32	74.70	70.10	57.55	45.22	34.87	27.94
2007	17.32	11.73	36.96	43.95	63.15	69.91	72.52	70.87	63.00	53.41	33.72	16.00
2008	12.11	13.64	27.98	41.99	55.66	66.67	72.60	69.07	61.24	49.46	33.70	12.51
2009	10.28	22.25	33.80	44.78	61.64	68.59	69.34	66.27	64.89	38.44	40.82	13.88
2010	9.10	14.43	36.30	52.96	58.52	67.96	72.71	73.60	59.86	52.00	33.33	14.13
2011	9.70	16.42	28.63	44.05	56.86	68.16	76.91	69.66	59.07	52.80	36.22	25.06
2012	22.82	25.81	48.26	50.64	63.07	71.33	77.54	70.05	61.55	46.02	36.47	21.95
2013	16.47	20.08	26.58	39.08	56.38	57.97	70.56	69.90	65.19	47.69	30.47	10.58
2014	10.03	5.88	26.66	43.70	58.63	67.97	67.68	69.64	61.23	50.07	24.97	24.97
2015	19.06	12.55	36.14	48.54	57.78	68.43	73.04	67.44	67.00	52.01	38.55	25.91
2016	13.90	23.88	39.49	48.45	59.81	71.32	72.20	70.75	65.56	51.82	42.98	19.03
2017	21.32	31.49	32.61	48.63	46.83	8.51	-5.68	21.40	53.80	-70.00	-97.88	-23.52
2018	-77.40	-32.82	-12.35	2.56	65.15	71.98	70.09	69.57	63.28	43.67	26.26	22.46
2019	12.17	8.10	26.67	42.81	53.99	68.77	72.35	67.41	65.75	43.32	29.70	19.76
2020	16.90	17.35	35.54	43.55	56.38	72.84	72.94	70.85	60.35	41.92	37.10	24.36
2021	21.57	9.46	39.05	46.04	57.69	73.01	71.59	70.34	64.60	53.30	36.26	24.81
2022	11.46	14.80	32.01	40.09	58.89	70.44	72.72	69.11	65.09	46.19	32.18	14.78
2023	15.72	17.97	24.54	41.47	56.27	68.83	68.84	71.10	66.33	49.49	36.79	31.36
2024	17.72	33.44	35.49	48.02	60.44	68.78	71.44	69.00	65.50	53.70	35.08	22.38
2025	14.34	14.03	37.74	46.07	59.71	70.29	72.84	68.89	65.68	54.13	36.39	20.12
2026	15.43	29.28	38.46	47.12	54.93	66.43	75.37	70.36	M	M	M	M
NCEI Climatology	13.35	17.72	30.05	43.71	56.85	67.55	70.85	68.20	60.80	47.30	32.05	19.25

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	68.9%	74.6%	69.2%	84.4%	82.8%	83.1%
2003	80.1%	84.4%	81.8%	72.7%	69.4%	71.8%	79.4%	79.9%	71.0%	66.9%	78.6%	86.9%
2004	79.9%	87.7%	80.8%	61.1%	M	M	M	76.1%	76.8%	M	81.3%	82.1%
2005	86.8%	85.2%	79.7%	68.4%	72.4%	75.1%	M	73.9%	75.0%	77.0%	74.0%	88.0%
2006	83.5%	76.4%	80.3%	69.6%	62.2%	62.4%	68.2%	75.6%	74.1%	65.8%	71.5%	77.0%
2007	78.0%	79.1%	81.4%	64.4%	62.8%	61.7%	68.3%	76.9%	67.3%	71.1%	65.6%	84.0%
2008	78.7%	81.5%	78.7%	71.6%	60.3%	64.4%	70.9%	71.8%	72.8%	68.3%	78.1%	81.0%
2009	78.8%	76.4%	77.1%	65.6%	61.6%	49.9%	83.3%	M	M	M	87.5%	96.1%
2010	94.7%	92.7%	87.9%	71.4%	71.8%	83.6%	86.5%	87.2%	83.0%	75.9%	86.8%	96.1%
2011	95.6%	93.9%	92.2%	84.8%	76.8%	82.1%	88.5%	87.7%	77.4%	73.2%	78.8%	89.8%
2012	91.4%	90.9%	86.6%	74.5%	76.7%	77.3%	85.5%	81.5%	68.5%	79.8%	85.4%	92.2%
2013	91.8%	94.9%	91.4%	87.1%	83.3%	84.1%	69.1%	78.9%	73.6%	71.8%	74.1%	82.8%
2014	78.7%	74.8%	80.7%	74.6%	65.8%	80.3%	64.8%	79.5%	78.3%	67.7%	77.6%	86.6%
2015	84.3%	75.6%	68.7%	56.4%	71.9%	71.4%	75.3%	79.3%	75.9%	64.6%	77.8%	89.6%
2016	86.6%	85.2%	79.4%	69.0%	64.0%	67.6%	78.1%	80.2%	74.9%	76.2%	76.3%	80.0%
2017	87.3%	78.7%	76.9%	71.2%	63.6%	61.0%	72.4%	80.5%	75.8%	68.7%	70.9%	73.6%
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	91.3%	M	M	80.9%	M	M	M	M
2020	85.6%	81.2%	81.8%	62.3%	66.8%	64.8%	76.9%	73.9%	68.9%	68.6%	74.2%	76.3%
2021	85.0%	76.7%	74.5%	61.9%	62.6%	55.8%	76.2%	75.9%	69.5%	75.2%	69.9%	75.4%
2022	74.2%	73.4%	74.1%	72.7%	65.4%	63.6%	76.3%	80.8%	71.9%	57.6%	74.2%	82.8%
2023	87.3%	81.3%	83.2%	66.3%	59.0%	66.9%	74.9%	78.6%	70.7%	74.5%	68.1%	81.4%
2024	85.6%	75.1%	60.0%	66.1%	66.3%	70.0%	77.1%	79.4%	64.7%	55.4%	84.1%	83.2%
2025	68.5%	72.5%	68.6%	62.5%	57.6%	71.9%	81.8%	82.3%	72.4%	67.8%	77.0%	82.5%
2026	78.9%	73.7%	73.2%	66.5%	50.0%	69.3%	80.8%	81.9%	M	M	M	M