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 (USC00134502) 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
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	M	M	M	M
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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2003	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2004	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2005	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2006	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2007	0.00	0.00	5.03	3.05	4.10	1.13	1.41	5.36	1.99	5.02	0.08	1.26
2008	0.28	0.67	0.53	3.07	3.17	3.73	4.63	1.27	4.69	1.73	1.69	0.59
2009	0.05	0.16	2.08	2.71	4.08	5.79	3.04	7.66	2.42	5.01	1.23	0.88
2010	0.83	0.20	1.45	4.88	4.74	9.72	5.26	3.99	3.58	0.64	1.16	0.10
2011	0.12	0.74	0.88	3.06	3.32	5.87	1.65	1.33	0.93	0.13	1.32	1.33
2012	0.03	0.33	1.71	1.82	1.52	1.04	0.21	3.52	0.43	0.87	0.54	0.43
2013	0.06	0.33	0.95	4.91	4.66	2.80	0.60	0.21	1.66	1.41	1.29	0.02
2014	0.06	0.04	0.06	0.24	0.09	4.86	2.42	3.61	2.73	1.19	0.04	0.36
2015	0.22	0.10	0.07	2.23	2.31	4.90	4.46	1.56	3.75	1.10	1.68	2.66
2016	0.07	0.09	0.15	1.39	1.06	1.42	5.48	2.07	3.36	1.24	0.11	0.05
2017	0.06	0.80	9.94	28.24	10.68	3.27	0.42	1.31	1.77	3.29	0.19	0.02
2018	0.51	0.22	0.57	0.18	2.54	0.16	0.23	0.74	6.10	5.39	1.05	1.04
2019	0.29	0.69	1.21	1.07	5.44	3.88	2.01	3.69	2.56	2.95	0.55	0.56
2020	0.39	0.06	0.14	0.03	0.12	0.17	1.98	M	0.22	0.21	0.25	0.09
2021	0.02	M	1.35	0.39	0.85	M	1.26	0.62	0.29	0.21	0.74	0.59
2022	0.35	0.02	1.64	2.98	2.13	3.03	1.67	1.76	4.37	1.26	2.98	0.38
2023	1.07	1.60	0.79	0.70	2.97	4.82	2.44	1.26	1.98	1.57	0.17	1.36
2024	0.66	0.02	1.19	2.39	7.06	3.75	11.52	2.15	1.17	3.26	2.77	1.79
2025	0.22	0.03	1.03	2.19	3.05	0.37	M	M	M	M	M	M
NCEI Climatology	1.15	1.74	1.87	3.85	4.98	5.61	4.34	3.89	3.66	3.06	1.80	1.57

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	M	M	M	M
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	9.8	7.8	5.8	5.7	6.5	7.2	8.5	8.8
2003	9.5	8.9	9.3	10.0	8.8	6.1	6.9	4.7	6.7	7.3	6.5	10.2
2004	9.7	9.3	11.1	9.4	9.3	6.1	4.7	4.4	6.1	7.5	7.4	10.0
2005	8.2	7.8	9.6	9.1	8.9	7.2	5.1	4.1	6.2	6.4	9.7	7.8
2006	10.5	9.2	9.9	9.9	9.4	6.4	5.4	5.1	6.7	8.4	8.4	9.2
2007	10.5	9.7	9.7	10.6	8.9	7.5	6.3	5.7	6.6	8.2	9.8	6.8
2008	9.5	9.1	9.1	10.2	9.5	8.0	6.0	5.2	6.1	7.8	10.1	10.5
2009	9.3	10.1	10.6	10.1	8.2	5.9	5.6	5.9	4.2	8.0	8.2	9.5
2010	8.3	8.2	8.6	9.0	7.5	6.2	5.1	3.5	7.1	7.2	10.1	9.2
2011	8.3	10.1	9.1	10.9	9.4	8.3	4.8	4.5	5.6	7.6	9.7	8.3
2012	10.0	8.9	9.6	8.4	8.6	7.4	5.2	4.5	5.4	8.2	7.8	8.5
2013	9.7	10.3	9.4	9.9	9.3	7.3	4.9	3.9	5.4	7.3	8.3	7.1
2014	9.6	5.7	10.3	10.4	8.0	6.4	6.1	4.3	5.5	8.1	11.0	7.5
2015	9.1	8.7	8.3	8.8	8.1	4.9	4.7	5.1	5.7	6.8	9.6	9.0
2016	8.4	9.3	8.6	10.0	6.1	6.1	5.2	3.7	6.0	6.7	8.0	9.6
2017	7.4	6.4	9.3	8.2	7.7	7.0	4.5	4.1	5.2	8.7	7.4	8.9
2018	8.8	8.1	9.2	9.0	5.8	6.1	4.4	4.7	5.0	5.9	7.8	7.2
2019	8.7	8.7	8.8	9.1	6.8	5.5	4.9	3.9	5.8	6.7	8.1	8.3
2020	7.8	7.9	8.8	8.7	6.7	6.8	3.8	4.4	5.8	7.2	8.6	3.3
2021	3.3	2.3	8.0	8.6	6.7	5.2	3.6	4.7	5.6	5.6	8.3	10.0
2022	10.3	11.0	11.6	12.2	9.7	7.5	6.0	5.8	6.5	7.8	10.3	10.6
2023	8.7	10.3	10.3	11.8	7.8	5.7	4.6	5.3	5.7	8.3	8.5	8.6
2024	8.7	9.3	10.5	11.7	7.8	7.9	5.5	5.9	5.7	8.1	9.0	9.2
2025	10.3	9.8	11.4	10.6	7.5	6.4	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
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	M	M	M	M
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	71.53	84.94	87.91	82.45	81.49	57.85	46.54	42.29
2003	31.04	34.03	48.90	64.05	69.53	78.02	85.23	86.41	76.26	67.84	47.38	39.39
2004	30.16	36.25	51.28	64.50	72.90	77.39	78.92	74.48	80.50	64.14	51.80	39.59
2005	30.14	42.56	50.14	66.20	71.26	84.75	87.08	83.99	82.27	65.39	51.74	29.65
2006	44.74	40.52	49.71	68.21	72.84	82.15	89.58	82.77	72.53	58.56	51.60	43.69
2007	33.06	25.74	51.45	59.43	76.61	82.37	87.26	87.74	79.07	67.41	50.85	32.33
2008	29.85	29.48	45.74	58.50	71.44	82.00	85.18	83.23	76.24	65.63	47.17	32.28
2009	27.46	40.40	54.22	62.04	72.95	82.06	80.35	80.63	77.18	55.92	55.84	31.97
2010	23.03	28.33	51.43	69.72	72.96	83.96	87.39	84.68	76.09	69.25	50.23	30.47
2011	26.20	34.98	46.87	59.12	71.48	79.22	88.85	85.54	73.94	69.74	52.31	48.23
2012	38.26	54.39	64.17	64.49	77.51	85.72	95.94	86.54	79.04	63.34	53.68	39.82
2013	37.26	36.48	40.44	59.93	72.12	80.30	83.76	86.27	81.15	63.17	45.67	28.61
2014	27.09	27.29	44.49	61.80	74.51	82.24	81.30	82.88	75.18	63.60	42.37	37.25
2015	35.04	26.82	53.66	65.74	72.42	80.68	83.64	80.97	81.90	65.49	54.37	43.28
2016	31.28	39.40	54.84	63.03	71.64	86.99	84.63	80.21	80.65	69.38	57.90	33.95
2017	33.78	49.95	49.21	64.67	72.61	85.35	88.79	82.17	82.31	64.67	49.72	35.33
2018	32.05	34.76	46.35	55.46	81.16	85.30	86.02	85.81	77.41	60.88	39.60	39.28
2019	27.72	26.93	43.62	64.04	69.16	81.49	86.82	81.17	81.66	58.88	44.48	42.62
2020	32.90	37.08	53.73	61.86	69.17	84.65	87.75	86.27	75.23	59.32	55.85	38.86
2021	33.59	24.35	54.77	63.87	70.50	86.69	87.49	88.41	84.41	68.71	53.63	44.04
2022	28.05	36.12	48.64	58.00	73.55	83.95	85.32	84.81	78.96	65.80	49.44	33.22
2023	33.14	42.10	46.72	64.87	77.13	82.54	83.00	83.58	81.74	65.63	52.25	44.30
2024	28.05	51.63	55.35	64.65	73.32	84.25	82.30	82.07	80.92	71.60	50.14	38.05
2025	31.57	32.87	59.42	63.60	72.74	80.82	M	M	M	M	M	M
NCEI Climatology	29.90	35.28	47.60	60.60	70.89	80.60	84.59	82.70	76.19	63.00	48.09	35.50

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	M	M	M	M
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	51.08	66.70	69.89	64.33	57.10	39.14	28.63	23.74
2003	13.44	13.66	27.47	43.17	51.34	59.18	65.81	65.15	54.47	44.33	33.94	24.87
2004	13.06	18.98	36.23	41.47	51.90	57.63	60.70	56.27	56.33	43.88	34.29	21.26
2005	15.94	25.42	27.03	43.81	49.28	62.70	64.48	62.27	56.37	42.88	31.06	17.18
2006	28.95	18.71	30.98	43.89	51.45	60.39	66.99	64.20	52.35	40.38	31.93	25.05
2007	15.52	11.11	33.05	37.49	55.56	61.94	64.17	68.11	55.06	46.10	30.37	21.22
2008	11.75	12.31	27.79	40.26	51.03	62.14	64.81	61.66	55.59	42.68	31.09	11.34
2009	8.28	18.74	31.83	38.68	51.91	62.48	60.65	61.34	55.34	39.85	37.17	16.26
2010	10.88	10.75	32.45	46.91	52.19	60.03	68.18	65.20	54.20	41.69	30.77	15.21
2011	9.98	17.56	29.24	40.22	50.52	61.43	70.38	64.11	52.04	44.37	31.18	15.03
2012	19.59	6.66	40.18	42.97	54.67	62.46	69.93	60.65	50.77	41.99	31.78	23.35
2013	16.79	20.64	25.13	38.11	52.19	61.15	61.46	61.61	55.24	41.39	25.74	10.48
2014	4.84	8.07	23.45	38.84	52.58	62.35	60.56	64.59	53.05	43.31	23.86	24.80
2015	16.18	7.28	28.93	42.33	53.05	62.01	65.15	61.51	59.68	44.52	35.70	30.61
2016	16.18	23.33	35.53	42.11	51.24	63.10	66.35	65.29	59.73	48.00	37.05	19.70
2017	21.16	27.35	31.58	43.98	50.62	61.84	66.06	58.85	56.99	45.84	28.63	18.03
2018	13.32	16.09	28.38	32.05	59.36	65.05	63.98	64.10	57.24	41.30	25.16	23.35
2019	16.57	17.58	27.04	41.08	50.46	61.92	66.74	62.13	61.64	38.73	26.78	24.50
2020	18.85	19.68	34.58	37.94	50.88	64.38	67.33	61.45	52.94	39.03	33.78	21.21
2021	19.41	7.69	34.80	42.33	50.70	63.19	67.39	66.16	58.93	49.57	32.78	24.60
2022	6.12	11.82	29.27	36.06	54.57	62.55	65.16	63.73	55.51	39.79	29.17	16.47
2023	20.05	19.47	27.54	39.50	52.44	60.85	63.09	63.64	56.38	44.83	31.02	29.85
2024	15.75	26.36	33.06	42.76	53.30	63.62	64.06	62.75	56.45	44.32	33.80	23.47
2025	11.48	14.23	33.04	42.31	50.47	61.40	M	M	M	M	M	M
NCEI Climatology	12.49	17.17	27.59	39.21	51.20	61.30	65.60	63.11	54.31	42.20	29.89	18.90

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	M	M	M	M
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	61.30	75.82	78.90	73.39	69.30	48.49	37.59	33.02
2003	22.24	23.85	38.18	53.61	60.44	68.60	75.52	75.78	65.37	56.09	40.66	32.13
2004	21.61	27.61	43.76	52.98	62.40	67.51	69.81	65.38	68.42	54.01	43.04	30.43
2005	23.04	33.99	38.58	55.00	60.27	73.72	75.78	73.13	69.32	54.14	41.40	23.42
2006	36.85	29.61	40.35	56.05	62.15	71.27	78.29	73.48	62.44	49.47	41.76	34.37
2007	24.29	18.43	42.25	48.46	66.09	72.15	75.71	77.92	67.07	56.75	40.61	26.77
2008	20.80	20.90	36.76	49.38	61.23	72.07	74.99	72.44	65.91	54.15	39.13	21.81
2009	17.87	29.57	43.02	50.36	62.43	72.27	70.50	70.98	66.26	47.88	46.50	24.11
2010	16.95	19.54	41.94	58.32	62.57	71.99	77.79	74.94	65.14	55.47	40.50	22.84
2011	18.09	26.27	38.05	49.67	61.00	70.32	79.61	74.82	62.99	57.05	41.75	31.63
2012	28.93	30.53	52.18	53.73	66.09	74.09	82.94	73.60	64.90	52.67	42.73	31.58
2013	27.03	28.56	32.79	49.02	62.15	70.72	72.61	73.94	68.19	52.28	35.70	19.55
2014	15.97	17.68	33.97	50.32	63.54	72.30	70.93	73.73	64.12	53.45	33.12	31.02
2015	25.61	17.05	41.30	54.03	62.73	71.35	74.39	71.24	70.79	55.00	45.03	36.94
2016	23.73	31.37	45.18	52.57	61.44	75.05	75.49	72.75	70.19	58.69	47.47	26.83
2017	27.47	38.65	40.40	54.33	61.62	73.60	77.43	70.51	69.65	55.25	39.17	26.68
2018	22.69	25.42	37.37	43.75	70.26	75.18	75.00	74.95	67.32	51.11	32.38	31.31
2019	22.15	22.25	35.33	52.56	59.81	71.70	76.78	71.65	71.65	48.80	35.63	33.56
2020	25.87	28.38	44.16	49.90	60.03	74.51	77.54	73.86	64.08	49.17	44.82	30.04
2021	26.50	16.02	44.78	53.10	60.60	74.94	77.44	77.29	71.67	59.14	43.21	34.32
2022	17.09	23.97	38.95	47.03	64.06	73.25	75.24	74.27	67.24	52.80	39.31	24.85
2023	26.60	30.79	37.13	52.18	64.78	71.69	73.05	73.61	69.06	55.23	41.64	37.08
2024	21.90	39.00	44.21	53.71	63.31	73.94	73.18	72.41	68.69	57.96	41.97	30.76
2025	21.52	23.55	46.23	52.95	61.61	71.11	M	M	M	M	M	M
NCEI Climatology	21.20	26.22	37.60	49.91	61.05	70.95	75.10	72.90	65.25	52.60	38.99	27.20

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
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
1999	M	M	M	M	M	M	M	M	M	M	M	M
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	61.7%	65.0%	70.2%	72.7%	62.7%	73.0%	69.7%	68.9%
2003	63.7%	71.6%	67.5%	62.2%	65.1%	67.9%	69.3%	68.9%	65.5%	69.0%	82.3%	78.2%
2004	73.5%	77.3%	75.5%	58.3%	74.6%	74.0%	82.0%	80.9%	64.0%	66.4%	75.6%	74.7%
2005	84.4%	79.2%	60.4%	56.6%	58.6%	64.6%	65.9%	69.7%	64.9%	69.3%	70.8%	85.6%
2006	79.8%	66.9%	75.0%	61.9%	66.2%	64.9%	70.4%	78.0%	73.9%	71.4%	74.4%	75.8%
2007	79.5%	74.3%	77.5%	64.3%	67.6%	69.3%	67.6%	78.7%	72.6%	74.0%	66.5%	87.3%
2008	79.1%	82.2%	76.0%	73.8%	64.7%	70.3%	76.3%	75.4%	79.7%	71.0%	77.6%	79.5%
2009	75.8%	72.7%	67.6%	68.1%	66.1%	77.2%	77.2%	81.0%	77.6%	81.3%	74.4%	82.6%
2010	83.4%	79.7%	76.9%	63.2%	67.7%	77.8%	77.7%	74.1%	70.3%	56.4%	66.1%	76.6%
2011	76.6%	73.5%	71.4%	65.7%	63.1%	71.1%	70.9%	67.3%	63.1%	51.9%	66.8%	76.1%
2012	68.3%	75.0%	67.6%	61.9%	58.4%	60.3%	56.8%	63.5%	58.6%	64.2%	66.2%	76.8%
2013	70.0%	74.2%	74.7%	65.2%	70.4%	72.3%	69.5%	68.6%	68.0%	68.4%	70.2%	75.9%
2014	67.7%	72.4%	67.9%	64.3%	65.0%	74.8%	73.9%	82.4%	78.6%	71.0%	71.1%	82.4%
2015	75.0%	75.3%	68.6%	66.8%	81.0%	85.6%	85.1%	85.4%	80.6%	75.7%	80.3%	82.9%
2016	78.7%	75.7%	71.5%	65.1%	65.5%	63.3%	78.4%	79.1%	73.8%	74.2%	69.7%	72.9%
2017	81.3%	65.7%	67.6%	67.8%	64.7%	59.4%	68.8%	71.3%	66.5%	70.1%	68.4%	66.2%
2018	72.4%	72.8%	71.9%	57.5%	66.6%	71.4%	70.9%	73.5%	77.3%	73.0%	77.3%	80.9%
2019	77.4%	78.9%	72.3%	64.9%	77.3%	68.6%	71.5%	74.7%	78.0%	73.9%	74.4%	76.4%
2020	80.5%	71.7%	71.7%	64.6%	69.4%	66.1%	73.7%	68.1%	71.5%	64.9%	70.0%	76.9%
2021	81.5%	73.3%	67.4%	57.7%	68.1%	64.3%	72.1%	71.7%	66.3%	73.2%	63.6%	80.5%
2022	81.7%	77.0%	75.7%	67.0%	66.2%	66.3%	74.0%	74.7%	69.7%	59.5%	68.3%	74.5%
2023	82.1%	70.9%	70.4%	54.8%	58.9%	67.9%	77.2%	78.4%	72.5%	70.4%	63.1%	76.8%
2024	82.7%	62.5%	60.6%	60.8%	69.9%	69.1%	81.1%	79.3%	69.4%	57.6%	80.0%	78.2%
2025	65.3%	67.5%	59.8%	62.6%	63.4%	66.8%	M	M	M	M	M	M