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 (USC00215400) 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
1996	M	M	M	M	M	M	M	M	M	0.00	0.90	0.01
1997	2.22	0.10	0.46	3.07	0.92	1.70	5.46	4.91	2.71	2.07	0.09	0.06
1998	0.19	1.03	1.31	1.16	2.54	1.89	3.87	3.45	0.93	5.51	0.72	0.10
1999	0.07	0.03	1.00	1.34	4.22	2.07	2.03	2.31	2.52	0.06	0.07	0.01
2000	0.02	0.43	0.71	1.23	3.51	0.57	1.94	0.00	0.00	0.08	0.76	0.00
2001	2.17	0.00	2.44	0.66	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2002	0.04	0.20	0.00	0.00	0.00	0.08	0.00	0.00	0.02	0.00	0.00	0.00
2003	0.00	0.05	0.18	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2004	1.34	9.82	M	M	0.00	M	M	M	M	M	M	M
2005	M	6.23	0.10	3.63	0.00	M	M	M	M	M	M	M
2006	M	0.01	1.05	M	M	M	M	M	0.00	0.00	0.00	0.00
2007	14.91	2.29	11.92	0.00	0.00	0.03	0.60	2.10	3.75	3.94	0.02	0.09
2008	0.01	0.05	0.90	0.87	2.97	4.79	2.19	0.36	2.40	3.11	1.45	0.07
2009	0.08	0.29	3.89	0.65	0.32	1.48	1.56	6.19	2.42	5.25	0.16	0.27
2010	0.86	0.32	0.91	1.29	1.32	3.27	2.63	5.19	3.17	0.94	0.44	0.51
2011	0.20	0.34	0.96	1.14	3.43	2.34	3.74	0.65	0.34	0.99	0.07	0.11
2012	0.10	0.32	1.00	1.89	3.73	2.25	0.43	1.76	0.14	0.58	0.30	0.44
2013	0.37	0.24	1.27	0.97	2.36	5.52	2.46	1.15	0.85	2.92	0.02	0.15
2014	0.22	0.67	0.59	2.90	2.55	6.53	0.79	4.64	2.20	0.77	0.24	0.27
2015	0.10	0.09	0.31	0.81	3.80	1.06	0.77	2.24	0.25	0.36	1.88	0.46
2016	0.11	0.26	0.21	1.28	1.19	0.57	2.87	5.91	1.57	0.34	0.01	0.03
2017	0.02	0.17	M	0.14	0.10	0.15	0.51	0.01	M	M	M	M
2018	2.07	M	0.24	M	M	M	M	M	M	M	M	M
2019	0.07	0.09	M	M	M	M	M	M	0.04	M	M	M
2020	M	0.05	M	M	M	0.02	0.32	0.31	0.18	0.02	M	M
2021	M	M	M	M	M	M	0.02	0.05	0.04	0.33	M	M
2022	M	M	M	0.03	0.21	0.27	1.24	3.06	1.75	0.47	0.04	M
2023	0.18	0.04	0.06	0.23	0.49	1.36	0.23	0.72	0.53	0.34	0.01	0.07
2024	M	M	0.02	0.20	0.01	M	M	M	M	M	M	M
NCEI Climatology	0.77	0.78	1.44	2.50	3.14	3.89	4.07	3.71	2.77	2.43	1.14	0.77

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1996	M	M	M	M	M	M	M	M	M	17.2	7.2	11.1
1997	12.3	10.1	10.9	7.4	11.7	8.6	7.8	5.5	7.5	9.7	9.5	9.0
1998	7.6	7.8	10.9	8.8	9.4	9.4	5.8	6.1	7.0	9.7	8.9	5.5
1999	9.7	11.5	9.8	11.7	11.7	9.1	7.1	7.2	8.0	9.5	8.4	9.3
2000	8.6	8.9	9.5	11.3	10.3	9.6	6.0	6.9	8.3	7.9	10.7	10.7
2001	7.5	9.2	8.3	11.6	10.9	9.0	7.2	7.1	6.9	10.3	9.8	10.2
2002	8.8	11.8	11.0	11.7	11.3	9.8	7.1	8.0	7.9	8.3	9.6	8.8
2003	9.8	10.3	10.4	9.8	9.7	7.7	7.6	6.9	8.9	8.5	10.3	10.6
2004	10.7	9.8	11.6	10.9	11.4	8.7	6.0	7.2	9.2	9.9	8.1	11.3
2005	M	M	M	M	M	M	M	M	M	M	M	7.8
2006	10.1	10.0	10.9	10.0	11.0	7.5	6.3	6.5	7.1	10.3	8.3	9.0
2007	10.0	10.6	10.4	10.6	12.5	9.7	7.7	7.4	9.9	10.2	10.6	8.4
2008	8.5	9.9	9.7	11.4	11.2	10.0	7.9	7.6	8.6	9.2	10.5	11.5
2009	9.6	10.9	10.6	11.6	11.0	8.0	7.4	7.1	6.2	8.3	7.1	10.1
2010	9.2	8.0	8.8	9.4	9.8	8.4	7.5	7.5	8.8	8.9	10.5	10.5
2011	9.5	10.5	9.3	11.7	12.4	9.9	6.6	6.1	7.2	9.0	9.3	9.2
2012	10.5	8.9	9.8	11.9	10.3	8.1	6.6	5.9	7.0	10.8	9.2	7.9
2013	9.2	8.9	11.1	11.7	10.6	8.9	6.7	5.4	7.7	9.6	10.8	8.4
2014	12.2	11.1	10.9	13.0	10.0	8.7	7.9	5.8	7.4	9.5	11.9	9.4
2015	10.4	11.2	10.2	11.4	10.9	7.1	6.9	7.4	7.5	9.6	10.2	8.8
2016	7.8	10.1	9.2	12.2	9.1	9.8	7.3	6.0	8.1	8.2	8.3	11.8
2017	8.7	9.6	8.3	8.8	9.4	8.7	6.2	5.1	7.6	9.3	9.0	9.8
2018	9.2	8.4	9.4	9.6	7.5	8.0	5.6	5.6	7.4	8.9	9.4	8.4
2019	9.0	9.6	8.8	9.5	9.4	7.7	5.3	4.0	5.4	7.6	8.0	6.9
2020	7.5	7.4	9.2	8.5	7.7	8.5	3.9	6.1	6.8	8.7	8.8	8.3
2021	8.1	7.4	10.3	11.0	8.6	6.6	5.5	6.5	6.9	8.0	9.2	8.9
2022	10.1	11.7	11.5	14.7	9.5	9.1	7.0	6.4	6.6	8.4	10.6	11.2
2023	7.6	8.3	9.4	10.2	9.0	6.6	5.7	6.2	6.1	8.7	8.0	8.2
2024	7.8	8.4	10.2	11.9	8.6	M	M	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
1996	M	M	M	M	M	M	M	M	M	25.00	27.25	14.19
1997	12.32	25.61	31.00	61.30	68.94	82.20	78.10	76.71	77.23	60.03	31.10	32.58
1998	21.94	35.25	33.87	60.17	75.42	74.97	81.74	81.94	78.93	60.32	40.33	33.77
1999	18.39	37.50	44.68	59.67	70.55	77.73	85.06	80.94	70.50	60.52	54.10	36.42
2000	22.94	33.93	50.81	56.61	72.43	76.03	81.48	82.33	75.03	62.10	34.70	12.77
2001	26.77	17.34	31.28	55.28	70.50	79.04	84.84	84.37	71.54	56.27	51.08	26.83
2002	25.85	33.99	26.14	50.66	62.43	78.98	81.94	76.36	72.68	44.60	38.30	32.23
2003	22.47	22.29	39.46	58.26	67.65	77.87	83.71	85.05	71.34	60.82	34.63	27.95
2004	16.38	25.23	43.09	59.60	63.53	71.66	77.17	72.24	73.52	57.49	44.06	29.15
2005	17.89	30.14	39.55	59.54	63.41	77.42	82.11	77.81	74.78	58.36	41.96	21.61
2006	30.43	21.01	36.06	59.60	67.42	77.00	85.01	78.05	65.84	53.83	43.52	34.85
2007	26.43	16.96	41.17	51.44	71.48	77.66	83.21	76.71	73.58	59.75	39.68	19.28
2008	18.70	20.89	32.75	50.72	64.52	73.40	81.47	79.55	71.66	55.86	38.78	19.11
2009	14.52	23.64	34.38	52.40	69.45	73.76	77.17	75.43	72.80	46.23	48.02	18.35
2010	15.05	17.99	41.58	62.78	66.95	75.32	82.01	81.53	66.02	60.51	39.08	17.66
2011	14.58	21.59	30.03	51.44	65.27	75.80	84.84	80.66	72.32	63.65	44.12	35.77
2012	32.12	34.61	54.76	59.54	71.95	81.50	88.32	81.41	76.82	56.79	45.08	26.25
2013	23.87	24.29	30.03	45.32	67.65	77.30	83.56	84.72	78.62	55.69	42.08	18.30
2014	21.32	19.66	36.94	53.00	69.92	78.50	81.12	80.89	73.10	60.86	31.82	29.62
2015	27.59	20.94	47.10	62.18	68.52	81.26	84.90	80.08	79.10	63.94	49.04	32.46
2016	24.05	31.50	50.12	57.92	72.94	83.42	82.81	80.89	73.34	60.10	51.62	25.67
2017	24.51	38.75	41.70	57.80	69.28	80.66	85.30	76.01	75.38	60.39	41.90	26.35
2018	24.74	23.06	36.06	45.80	78.39	80.12	81.88	80.83	72.80	53.41	33.14	31.59
2019	18.06	13.61	33.05	53.60	65.04	79.40	82.69	77.70	74.84	52.50	38.06	27.30
2020	23.87	27.43	41.68	55.22	67.59	84.68	84.95	82.17	72.03	52.21	48.86	34.85
2021	29.74	17.02	49.30	56.18	70.73	87.98	86.00	83.39	78.44	63.70	45.26	29.97
2022	20.45	24.48	38.10	47.00	69.05	81.44	85.54	81.16	77.24	63.01	39.68	22.07
2023	23.17	27.05	30.20	49.16	77.12	85.10	82.75	84.66	78.86	59.81	48.86	41.17
2024	32.43	41.87	45.30	59.54	69.92	M	M	M	M	M	M	M
NCEI Climatology	23.90	29.08	42.10	58.69	72.41	81.40	84.89	82.40	75.99	60.80	43.00	29.00

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1996	M	M	M	M	M	M	M	M	M	21.00	10.36	-0.94
1997	-5.65	5.64	12.90	27.23	39.71	56.10	60.84	56.48	48.70	34.06	18.53	19.55
1998	6.13	22.61	21.77	34.60	50.81	52.97	60.68	59.06	49.30	39.77	26.17	13.90
1999	0.55	19.82	25.26	37.13	49.26	58.53	63.81	58.52	47.57	36.00	27.03	13.81
2000	1.10	16.52	28.45	34.17	47.77	55.40	61.61	59.26	47.00	39.13	20.57	-4.03
2001	7.38	-5.03	14.83	36.92	50.00	56.84	63.24	59.29	49.04	33.10	28.76	10.57
2002	8.37	15.86	8.19	30.80	37.98	57.92	62.02	53.19	47.12	28.40	19.28	12.43
2003	1.79	-1.53	16.01	33.73	43.84	54.81	60.01	58.54	45.56	34.88	18.09	13.70
2004	-1.15	9.10	23.87	30.80	41.70	50.78	57.37	50.17	51.44	37.46	24.86	11.91
2005	1.28	11.43	17.54	36.38	43.79	58.46	59.64	55.40	51.02	35.95	21.32	8.72
2006	17.02	3.26	23.23	37.28	47.10	54.86	60.28	57.14	45.86	30.37	17.90	15.28
2007	7.32	-0.85	23.52	30.02	47.85	55.70	59.23	55.92	46.76	39.61	21.26	2.33
2008	-2.37	-0.09	15.05	28.52	41.58	51.98	58.77	55.98	46.52	34.96	22.34	-3.07
2009	-7.60	4.74	17.95	31.16	41.06	52.04	53.19	54.18	50.84	32.64	26.84	3.66
2010	0.76	0.95	25.85	37.40	44.89	54.68	59.86	60.57	45.74	35.89	21.68	2.21
2011	-4.29	2.17	12.43	34.22	45.88	56.42	65.56	58.77	46.10	39.14	22.64	15.97
2012	10.57	13.19	30.84	37.82	50.12	58.16	66.55	55.98	42.56	35.31	24.14	7.90
2013	4.07	5.00	13.36	28.40	46.81	57.98	62.66	60.10	53.72	37.34	19.58	0.82
2014	-3.13	-4.06	16.38	32.24	46.63	59.30	59.23	61.09	51.08	37.81	14.54	17.31
2015	10.63	1.59	23.70	35.12	46.40	57.20	61.38	58.13	54.92	40.25	30.56	17.72
2016	7.90	17.23	30.90	36.62	47.15	58.94	61.50	61.03	53.54	41.00	33.26	9.35
2017	9.06	20.69	22.77	36.08	45.99	56.90	62.48	56.39	53.48	37.92	22.10	8.35
2018	6.16	-1.17	22.30	26.06	52.73	62.48	62.54	61.15	53.18	34.11	18.80	14.81
2019	0.35	-2.91	16.21	36.08	44.31	58.40	63.30	58.48	54.14	35.48	23.00	11.39
2020	7.44	8.05	26.29	31.34	46.98	62.00	63.88	60.97	48.88	32.58	26.24	14.35
2021	14.75	1.01	29.91	34.04	47.15	61.22	64.05	61.26	52.04	43.50	26.00	10.98
2022	-5.86	-0.85	22.71	31.22	49.01	60.44	63.99	59.99	51.26	37.11	24.56	8.02
2023	7.50	5.06	10.40	30.32	50.93	62.30	58.59	61.96	56.06	40.54	24.62	26.54
2024	16.09	22.13	23.64	37.88	45.20	M	M	M	M	M	M	M
NCEI Climatology	4.40	8.90	22.10	34.69	47.40	58.01	61.20	58.70	50.29	37.50	24.00	10.91

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1996	M	M	M	M	M	M	M	M	M	23.00	18.80	6.63
1997	3.34	15.62	21.95	44.27	54.32	69.15	69.47	66.60	62.97	47.05	24.82	26.06
1998	14.03	28.93	27.82	47.38	63.11	63.97	71.21	70.50	64.12	50.05	33.25	23.84
1999	9.47	28.66	34.97	48.40	59.90	68.13	74.44	69.73	59.03	48.26	40.57	25.11
2000	12.02	25.22	39.63	45.39	60.10	65.72	71.55	70.79	61.02	50.61	27.63	4.37
2001	17.08	6.16	23.06	46.10	60.25	67.94	74.04	71.83	60.29	44.69	39.92	18.70
2002	17.11	24.93	17.16	40.73	50.20	68.45	71.98	64.78	59.90	36.50	28.79	22.33
2003	12.13	10.38	27.74	46.00	55.75	66.34	71.86	71.79	58.45	47.85	26.36	20.83
2004	7.61	17.17	33.48	45.20	52.61	61.22	67.27	61.21	62.48	47.47	34.46	20.53
2005	9.59	20.78	28.55	47.96	53.60	67.94	70.87	66.61	62.90	47.15	31.64	15.16
2006	23.73	12.14	29.65	48.44	57.26	65.93	72.65	67.59	55.85	42.10	30.71	25.06
2007	16.87	8.06	32.35	40.73	59.67	66.68	71.22	66.32	60.17	49.68	30.47	10.81
2008	8.16	10.40	23.90	39.62	53.05	62.69	70.12	67.77	59.09	45.41	30.56	8.02
2009	3.46	14.19	26.16	41.78	55.25	62.90	65.18	64.81	61.82	39.43	37.43	11.01
2010	7.90	9.47	33.71	50.09	55.92	65.00	70.93	71.05	55.88	48.20	30.38	9.94
2011	5.15	11.88	21.23	42.83	55.57	66.11	75.20	69.71	59.21	51.39	33.38	25.87
2012	21.35	23.90	42.80	48.68	61.03	69.83	77.44	68.70	59.69	46.05	34.61	17.08
2013	13.97	14.64	21.69	36.86	57.23	67.64	73.11	72.41	66.17	46.52	30.83	9.56
2014	9.09	7.80	26.66	42.62	58.27	68.90	70.18	70.99	62.09	49.33	23.18	23.46
2015	19.11	11.27	35.40	48.65	57.46	69.23	73.14	69.10	67.01	52.09	39.80	25.09
2016	15.97	24.37	40.51	47.27	60.05	71.18	72.15	70.96	63.44	50.55	42.44	17.51
2017	16.79	29.72	32.23	46.94	57.64	68.78	73.89	66.20	64.43	49.16	32.00	17.35
2018	15.45	10.95	29.18	35.93	65.56	71.30	72.21	70.99	62.99	43.76	25.97	23.20
2019	9.21	5.35	24.63	44.84	54.67	68.90	72.99	68.09	64.49	43.99	30.53	19.34
2020	15.65	17.74	33.99	43.28	57.29	73.34	74.42	71.57	60.46	42.39	37.55	24.60
2021	22.25	9.02	39.61	45.11	58.94	74.60	75.03	72.33	65.24	53.60	35.63	20.47
2022	7.29	11.81	30.40	39.11	59.03	70.94	74.76	70.58	64.25	50.06	32.12	15.05
2023	15.34	16.06	20.30	39.74	64.02	73.70	70.67	73.31	67.46	50.17	36.74	33.86
2024	24.26	32.00	34.47	48.71	57.56	M	M	M	M	M	M	M
NCEI Climatology	14.15	18.99	32.10	46.69	59.90	69.70	73.05	70.55	63.14	49.15	33.50	19.95

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
1996	M	M	M	M	M	M	M	M	M	86.2%	64.3%	75.8%
1997	43.8%	88.0%	85.9%	72.4%	61.4%	61.7%	83.9%	85.3%	77.9%	74.8%	89.4%	71.9%
1998	86.7%	91.5%	86.1%	65.0%	63.6%	71.2%	77.3%	79.5%	68.9%	79.5%	86.1%	78.2%
1999	84.9%	83.0%	78.0%	72.0%	71.2%	69.8%	79.3%	80.4%	70.5%	60.0%	60.3%	71.5%
2000	75.4%	79.3%	68.7%	61.3%	62.5%	66.9%	76.6%	76.9%	63.5%	69.4%	83.3%	76.0%
2001	82.8%	78.1%	82.3%	73.9%	65.8%	71.2%	71.2%	73.8%	73.3%	72.2%	77.6%	86.8%
2002	85.4%	82.1%	79.6%	76.8%	65.4%	71.1%	80.8%	83.6%	73.7%	82.4%	79.1%	78.0%
2003	74.6%	76.4%	75.3%	64.6%	68.5%	71.1%	77.5%	75.4%	70.9%	71.8%	84.6%	89.6%
2004	76.7%	86.8%	82.5%	60.2%	72.1%	73.8%	82.9%	82.6%	81.5%	80.4%	80.7%	82.4%
2005	M	M	M	M	M	M	M	M	M	M	M	100.0%
2006	94.3%	85.5%	87.9%	75.1%	74.7%	74.6%	77.2%	85.0%	85.6%	75.2%	74.8%	82.0%
2007	83.9%	83.4%	88.3%	73.5%	70.2%	78.6%	78.9%	86.1%	78.5%	82.2%	73.3%	92.4%
2008	86.4%	87.9%	86.3%	80.0%	68.9%	77.7%	80.0%	82.6%	83.5%	82.5%	89.5%	87.4%
2009	87.7%	89.2%	89.2%	75.7%	64.6%	77.3%	80.5%	87.7%	87.6%	91.8%	88.6%	92.4%
2010	92.5%	94.0%	88.3%	67.1%	72.9%	82.5%	84.7%	88.9%	87.1%	80.8%	88.5%	94.6%
2011	83.8%	82.0%	85.6%	73.9%	66.2%	70.3%	75.5%	75.5%	66.6%	63.9%	68.3%	73.4%
2012	76.8%	77.4%	76.1%	60.5%	61.2%	61.7%	68.3%	68.4%	51.0%	63.5%	74.4%	81.3%
2013	77.3%	82.7%	81.1%	73.9%	65.8%	66.8%	65.9%	68.3%	68.3%	72.6%	70.0%	77.5%
2014	74.4%	72.9%	71.6%	67.3%	60.4%	67.3%	66.0%	73.7%	71.8%	65.4%	74.9%	82.3%
2015	77.8%	71.7%	67.1%	52.5%	64.1%	64.9%	66.3%	71.5%	65.8%	62.4%	72.4%	84.6%
2016	80.5%	78.9%	69.1%	62.2%	53.5%	59.1%	68.4%	72.9%	70.7%	71.9%	76.2%	75.7%
2017	80.3%	73.3%	67.8%	67.5%	59.7%	56.1%	64.2%	75.4%	71.7%	64.6%	70.5%	72.8%
2018	73.2%	70.6%	76.4%	68.4%	55.8%	69.2%	69.6%	74.5%	69.3%	72.5%	79.1%	79.2%
2019	75.7%	76.3%	78.7%	69.6%	63.8%	61.2%	69.7%	72.2%	74.5%	68.8%	76.1%	82.3%
2020	80.3%	76.3%	75.4%	58.5%	56.4%	56.1%	67.8%	70.2%	64.3%	63.5%	68.7%	74.8%
2021	80.3%	71.9%	68.3%	60.0%	52.3%	47.3%	63.8%	65.2%	63.3%	71.0%	69.3%	76.1%
2022	73.3%	70.7%	69.8%	71.1%	61.6%	53.4%	64.4%	70.7%	61.5%	57.6%	71.3%	77.1%
2023	82.4%	75.9%	78.6%	69.9%	50.8%	58.5%	62.7%	69.3%	69.6%	71.8%	69.5%	79.7%
2024	82.3%	77.1%	63.5%	61.5%	58.5%	M	M	M	M	M	M	M