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 (USC00255810) 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
2000	M	M	M	M	M	M	M	M	M	M	M	M
2001	M	M	M	M	M	M	M	M	M	M	M	M
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	26.42	27.64	9.87	8.80	7.43	4.34	2.73	3.09	0.38	198.54	37.54	23.29
2005	63.69	2.00	1.37	1.98	0.73	0.40	8.94	58.04	83.11	6.91	56.70	20.48
2006	0.00	1.14	2.53	-12.24	-30.00	-30.00	-25.00	-23.00	-30.00	-30.00	-30.00	-11.00
2007	-28.00	-28.00	-31.00	-30.00	-28.00	-30.00	-31.00	-31.00	-30.00	-31.00	-30.00	-31.00
2008	-31.00	-29.00	-30.00	-30.00	-31.00	-30.00	-20.00	-3.00	-30.00	-31.00	-30.00	-31.00
2009	-31.00	-28.00	-30.00	-29.00	-29.00	-19.00	M	-13.00	-30.00	-31.00	-30.00	-31.00
2010	-31.00	-28.00	-31.00	-30.00	-31.00	-24.00	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
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	9.00	7.20	1.60	0.70	0.10	0.00	0.20	1.00	1.90	0.40	8.50
2022	17.40	15.40	24.00	20.50	3.40	2.50	1.10	0.70	1.40	6.80	10.50	18.20
2023	22.00	24.40	22.00	3.80	0.20	1.20	0.10	0.00	1.10	4.70	16.80	26.10
2024	21.40	57.70	59.90	23.50	40.10	99.70	228.90	246.60	240.40	324.80	277.60	198.70
2025	127.10	121.90	43.30	M	M	M	M	M	M	M	13.20	201.40
2026	126.70	251.40	332.40	336.00	323.20	277.20	281.90	276.50	116.70	M	M	M
NCEI Climatology	0.87	1.16	1.88	3.43	5.41	4.88	4.36	2.93	3.18	3.02	1.58	1.42

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	M	7.1	5.6	M	2.2	0.6	M	M	4.5	5.3	5.9	6.5
2001	5.3	5.0	4.9	M	M	2.2	0.3	M	4.9	3.7	3.9	3.9
2002	3.3	5.2	5.8	6.3	4.7	5.4	3.0	3.2	2.2	2.9	4.2	2.8
2003	2.9	5.4	4.5	4.9	2.9	3.3	2.7	2.0	4.2	3.4	4.8	7.6
2004	5.8	6.4	7.8	5.3	4.6	4.0	1.3	2.8	5.5	8.4	8.1	8.6
2005	6.6	7.5	9.6	10.3	9.6	7.7	6.0	4.3	6.9	6.2	9.1	7.8
2006	9.8	9.3	11.0	10.1	9.7	6.2	4.9	5.2	6.8	8.2	7.8	9.2
2007	9.6	9.0	9.3	10.2	8.5	7.2	5.2	5.1	6.7	7.5	7.5	6.5
2008	8.4	8.8	8.7	11.1	9.3	6.4	6.4	6.5	6.6	8.2	9.3	9.8
2009	8.7	9.4	10.3	10.2	7.4	6.6	M	5.9	4.5	7.6	7.5	9.1
2010	7.7	7.6	9.2	9.4	8.3	6.6	5.7	6.1	6.9	6.9	9.3	8.7
2011	8.0	9.6	9.2	12.3	9.7	7.6	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	5.9	8.7
2013	9.2	11.1	11.0	11.5	11.3	9.6	6.9	M	9.7	8.1	10.4	9.5
2014	12.7	10.1	12.5	12.9	9.6	9.0	7.3	5.9	7.6	8.5	11.8	9.5
2015	10.1	10.2	9.3	10.3	9.7	7.6	6.4	6.4	8.6	7.7	9.6	10.4
2016	9.1	11.5	11.2	12.7	8.7	7.8	6.8	6.1	7.7	7.9	10.1	9.4
2017	9.0	9.9	11.7	9.9	10.2	8.3	5.6	5.7	7.2	10.3	9.1	10.0
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	9.6	M	M	6.5	M	M	M	M
2020	9.0	9.6	10.3	11.0	9.6	9.7	6.6	6.3	6.9	8.4	9.7	8.0
2021	8.6	8.5	11.4	10.7	8.2	6.9	4.8	5.8	5.8	8.3	9.2	9.9
2022	10.5	11.8	12.6	13.7	10.2	6.9	6.3	4.6	6.1	8.0	11.2	11.1
2023	9.5	9.7	11.5	12.7	8.4	6.2	6.1	6.2	7.2	9.4	8.4	9.0
2024	8.8	10.1	12.0	13.7	9.6	9.2	6.4	6.4	7.7	10.2	9.6	9.5
2025	10.6	10.9	12.2	M	M	M	M	M	M	M	13.2	9.8
2026	9.7	9.0	12.5	13.0	9.8	8.3	6.0	6.1	8.0	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
2000	M	64.09	57.82	65.41	80.49	81.89	84.82	89.91	83.60	63.85	43.51	25.44
2001	36.32	31.00	41.41	M	M	84.42	85.12	90.90	72.52	66.80	61.76	45.14
2002	43.20	43.80	47.65	67.07	73.69	88.34	86.24	87.47	80.65	56.09	47.99	45.23
2003	34.94	37.18	53.65	66.65	72.62	80.55	90.94	91.16	77.20	72.02	46.51	39.68
2004	29.23	32.73	53.95	68.29	77.17	80.89	84.30	82.81	75.30	68.90	53.98	42.63
2005	31.64	45.68	55.86	67.78	76.71	85.56	89.46	86.72	83.86	69.42	56.24	34.29
2006	48.57	44.25	51.60	67.98	76.44	86.18	89.37	84.52	74.58	61.63	54.37	42.51
2007	34.61	31.89	59.89	62.38	77.76	84.57	89.83	89.94	80.84	70.66	53.05	33.28
2008	31.68	33.60	48.51	60.04	73.19	84.83	88.29	87.80	78.24	66.60	50.07	35.15
2009	35.11	44.65	53.15	63.16	75.43	79.85	M	79.24	78.02	58.05	57.89	30.25
2010	25.87	32.43	52.01	71.57	73.82	86.21	88.65	90.21	78.78	72.74	52.48	36.00
2011	29.08	38.50	52.21	67.23	75.41	90.55	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	53.15	51.43
2013	38.87	39.71	50.79	59.83	76.38	83.45	87.76	M	79.18	78.76	63.90	48.84
2014	40.13	58.53	58.23	76.10	71.63	77.65	58.50	83.81	77.43	68.57	45.61	38.93
2015	41.05	32.44	59.00	65.35	71.60	84.04	87.58	84.26	82.74	69.71	56.50	43.46
2016	34.60	46.36	61.25	66.64	74.22	88.81	86.70	80.22	82.40	71.77	56.04	36.92
2017	35.65	52.03	55.23	67.46	75.88	87.01	89.75	83.61	83.89	67.81	53.79	38.67
2018	35.01	36.98	49.68	58.87	84.61	87.49	88.04	86.28	78.94	63.04	43.78	40.63
2019	34.15	28.76	44.48	65.04	70.21	83.39	87.60	84.46	83.84	60.16	49.03	43.51
2020	35.51	43.49	55.23	65.50	70.02	89.14	88.44	86.79	78.14	62.39	58.41	42.72
2021	37.57	27.45	59.46	66.15	72.96	90.10	87.01	87.54	84.80	69.45	56.91	50.41
2022	36.17	44.37	53.97	63.21	75.74	86.84	89.01	89.72	83.51	71.37	51.66	37.00
2023	37.16	45.82	49.97	68.13	80.13	85.66	82.93	86.20	85.28	67.96	56.28	45.93
2024	30.42	56.08	57.47	68.90	77.25	87.88	87.71	85.99	85.19	76.10	53.66	42.79
2025	35.90	35.69	54.12	M	M	M	M	M	M	M	36.18	43.07
2026	36.04	52.11	64.97	67.83	78.47	84.57	90.42	87.29	91.22	M	M	M
NCEI Climatology	33.60	39.08	51.80	63.79	73.80	83.09	86.60	85.00	78.69	66.20	50.99	38.30

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	M	47.09	36.40	40.38	56.57	61.92	69.88	68.14	52.12	42.63	23.77	7.14
2001	18.15	15.31	27.28	M	M	64.67	69.53	76.90	53.28	42.98	39.22	22.95
2002	18.87	21.28	23.58	42.04	50.10	66.05	70.47	64.94	57.10	40.04	28.86	21.59
2003	14.09	16.02	28.35	43.23	49.81	59.43	66.71	65.51	51.15	44.87	32.80	26.84
2004	14.63	20.38	36.73	45.21	55.97	60.35	64.19	59.56	51.12	43.76	33.38	20.50
2005	15.32	24.25	28.58	44.31	50.67	65.34	66.69	64.05	57.33	42.36	31.18	17.07
2006	26.05	17.79	29.99	44.75	53.42	63.28	65.97	65.60	51.60	40.20	29.25	16.65
2007	16.26	15.63	37.72	39.79	58.44	62.51	66.65	68.79	55.63	46.76	27.94	14.64
2008	11.60	15.64	27.87	38.38	50.85	63.38	66.95	60.13	54.57	43.57	30.60	13.50
2009	12.62	20.13	29.63	41.17	53.54	61.70	M	56.32	52.30	38.25	33.87	12.68
2010	11.49	14.58	33.15	45.79	52.50	65.67	69.75	68.00	55.79	43.15	29.84	17.43
2011	9.76	16.87	30.47	42.54	53.14	68.00	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	32.90	27.77
2013	19.62	21.55	30.46	37.49	56.07	63.76	65.74	M	53.36	44.66	26.06	10.37
2014	7.99	15.00	23.70	45.06	51.32	62.22	56.32	66.68	55.96	45.36	24.56	25.95
2015	17.44	11.46	30.57	44.50	56.72	69.75	67.02	64.73	61.42	46.64	36.23	28.09
2016	18.61	27.32	36.94	45.08	53.62	73.92	67.95	69.17	60.48	48.32	42.96	18.88
2017	21.51	27.54	34.49	46.46	54.05	64.22	69.54	61.17	58.86	45.52	30.61	18.65
2018	14.74	16.49	33.03	36.68	60.82	66.66	66.36	65.24	59.67	43.43	24.40	24.05
2019	16.06	10.89	29.11	46.15	54.46	67.57	70.09	67.16	65.10	41.53	29.56	25.17
2020	20.35	22.05	35.97	39.28	54.08	67.83	69.05	64.60	54.04	39.56	33.37	20.46
2021	23.03	9.58	36.63	42.40	53.76	66.35	67.87	67.72	58.69	47.46	33.65	26.79
2022	12.88	15.22	29.35	38.93	56.08	65.53	67.59	64.99	56.58	40.72	27.95	16.84
2023	22.13	20.45	28.93	41.97	57.77	63.47	61.45	66.48	59.02	45.15	30.41	28.26
2024	15.04	27.76	32.58	44.33	54.83	65.83	66.95	65.12	56.61	46.13	35.09	24.32
2025	14.05	14.71	28.78	M	M	M	M	M	M	M	22.07	21.07
2026	16.00	25.46	34.47	46.31	54.12	65.52	70.46	67.56	68.69	M	M	M
NCEI Climatology	13.71	17.76	28.49	39.00	51.10	61.30	65.60	62.81	53.70	41.30	28.99	19.11

Average Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	M	55.59	47.11	52.89	68.53	71.90	77.35	79.02	67.86	53.24	33.64	16.29
2001	27.24	23.15	34.34	M	M	74.54	77.33	83.90	62.90	54.89	50.49	34.04
2002	31.04	32.54	35.62	54.55	61.89	77.19	78.35	76.21	68.87	48.07	38.42	33.41
2003	24.52	26.60	41.00	54.94	61.21	69.99	78.82	78.33	64.17	58.45	39.65	33.26
2004	21.93	26.55	45.34	56.75	66.57	70.62	74.24	71.18	63.21	56.33	43.68	31.57
2005	23.48	34.97	42.22	56.05	63.69	75.45	78.08	75.39	70.59	55.89	43.71	25.68
2006	37.31	31.02	40.80	56.36	64.93	74.51	77.38	75.06	63.09	50.91	41.81	29.58
2007	25.44	23.25	48.80	51.09	68.23	73.52	78.24	79.39	68.24	58.54	40.50	23.96
2008	21.64	24.62	38.19	49.14	62.03	73.92	77.56	73.97	66.41	55.08	40.34	24.32
2009	23.86	32.39	41.39	52.17	64.49	70.78	M	68.50	64.98	48.14	45.72	21.39
2010	18.39	23.51	42.52	58.97	63.28	75.78	79.20	79.10	67.28	57.95	41.16	26.71
2011	19.42	27.68	41.34	54.89	64.28	79.27	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	43.03	39.60
2013	29.24	30.63	40.63	48.66	66.23	73.60	76.75	M	66.27	61.30	44.60	29.61
2014	24.06	36.76	40.97	60.58	60.34	69.94	57.41	75.24	66.69	56.97	35.09	32.44
2015	29.24	21.95	44.79	54.93	64.16	76.89	77.30	74.50	72.08	58.18	46.37	35.77
2016	26.61	36.84	49.09	55.86	63.92	81.37	77.33	74.69	71.44	60.05	49.50	27.90
2017	28.58	39.78	44.86	56.96	64.96	75.61	79.65	72.39	71.38	56.67	42.20	28.66
2018	24.87	26.73	41.36	47.77	72.71	77.08	77.20	75.76	69.31	53.23	34.09	32.34
2019	25.10	19.83	36.79	55.59	62.33	75.48	78.85	75.81	74.47	50.84	39.29	34.34
2020	27.93	32.77	45.60	52.39	62.05	78.49	78.75	75.70	66.09	50.98	45.89	31.59
2021	30.30	18.51	48.04	54.27	63.36	78.23	77.44	77.63	71.74	58.45	45.28	38.60
2022	24.53	29.79	41.66	51.07	65.91	76.19	78.30	77.35	70.05	56.04	39.80	26.92
2023	29.65	33.13	39.45	55.05	68.95	74.56	72.19	76.34	72.15	56.56	43.35	37.09
2024	22.73	41.92	45.03	56.61	66.04	76.85	77.33	75.55	70.90	61.12	44.37	33.55
2025	24.98	25.20	41.45	M	M	M	M	M	M	M	29.12	32.07
2026	26.02	38.79	49.72	57.07	66.30	75.04	80.44	77.43	79.96	M	M	M
NCEI Climatology	23.65	28.42	40.15	51.40	62.45	72.20	76.10	73.90	66.20	53.75	39.99	28.70

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
2000	M	85.6%	72.3%	65.6%	69.3%	73.9%	85.7%	82.6%	66.5%	79.8%	81.9%	82.9%
2001	88.1%	86.4%	88.5%	M	M	73.5%	87.6%	89.1%	81.3%	68.3%	76.9%	80.7%
2002	71.9%	74.4%	68.6%	67.9%	69.7%	68.2%	74.4%	75.9%	70.7%	83.5%	74.2%	73.0%
2003	73.7%	81.1%	72.6%	69.8%	72.7%	75.1%	72.9%	72.5%	73.1%	60.4%	74.6%	71.7%
2004	69.9%	73.6%	69.9%	54.0%	63.8%	65.2%	75.0%	71.0%	60.7%	66.3%	75.8%	70.5%
2005	85.0%	78.7%	62.8%	65.1%	60.8%	68.3%	72.5%	82.0%	73.3%	74.0%	73.5%	87.2%
2006	77.9%	67.5%	76.8%	68.0%	66.8%	70.2%	76.3%	84.7%	69.3%	63.5%	65.5%	55.3%
2007	75.5%	72.8%	72.5%	61.7%	67.6%	67.2%	69.9%	78.2%	71.7%	70.8%	64.6%	83.3%
2008	76.5%	76.7%	72.3%	68.6%	66.0%	69.9%	69.9%	64.9%	74.5%	70.0%	72.4%	74.0%
2009	72.7%	67.6%	66.4%	62.3%	64.3%	75.5%	M	78.5%	74.8%	77.2%	74.4%	83.5%
2010	82.7%	78.8%	77.2%	65.2%	68.7%	75.9%	78.6%	76.9%	76.6%	62.4%	69.2%	78.3%
2011	79.8%	74.4%	74.3%	63.2%	64.9%	65.5%	M	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	73.4%	63.4%
2013	72.0%	74.7%	67.6%	68.6%	71.1%	73.0%	71.6%	M	69.3%	70.9%	67.7%	75.3%
2014	66.3%	70.1%	63.2%	62.8%	70.3%	78.9%	87.9%	80.4%	76.9%	68.3%	73.4%	83.3%
2015	72.5%	73.8%	62.6%	66.2%	72.6%	69.6%	76.8%	78.1%	75.7%	67.2%	72.5%	81.2%
2016	80.9%	71.5%	66.2%	65.2%	69.2%	61.6%	78.8%	88.3%	75.9%	75.5%	73.3%	72.4%
2017	79.6%	67.8%	65.6%	71.4%	67.2%	65.9%	73.7%	76.2%	72.1%	67.5%	68.3%	70.6%
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	87.2%	M	M	91.4%	M	M	M	M
2020	81.4%	71.4%	70.2%	62.9%	75.0%	69.5%	79.0%	75.7%	73.0%	64.8%	70.6%	77.0%
2021	83.8%	79.1%	71.2%	64.0%	71.6%	66.5%	77.3%	78.4%	70.8%	70.7%	64.8%	65.1%
2022	65.6%	54.0%	62.2%	56.6%	67.7%	66.9%	71.8%	72.1%	66.1%	55.8%	63.3%	72.2%
2023	81.1%	70.0%	69.8%	54.1%	63.3%	68.9%	80.4%	78.7%	67.2%	67.5%	65.7%	77.8%
2024	83.6%	64.6%	64.1%	60.3%	65.9%	70.3%	76.3%	76.2%	65.7%	56.3%	76.5%	75.9%
2025	65.6%	69.4%	64.1%	M	M	M	M	M	M	M	67.6%	74.0%
2026	71.4%	65.0%	59.5%	68.1%	58.0%	70.8%	74.3%	78.4%	70.8%	M	M	M