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 () 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	0.14	0.00	M	0.04	M	M	M	M	M	M	M	M
2001	1.73	1.04	0.00	0.72	4.97	1.92	1.17	3.84	1.76	2.14	2.57	1.57
2002	0.99	2.84	1.32	2.89	1.75	1.72	3.35	4.38	4.64	3.93	5.56	2.42
2003	M	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	0.00	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	0.35	1.51	1.41	0.35	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	2.41	0.66	20.88	1.86	3.78
2012	2.00	5.59	1.18	0.60	1.15	3.66	8.45	2.44	5.33	2.46	6.13	3.50
2013	1.02	1.51	1.82	1.95	3.23	3.68	4.52	2.60	6.51	2.35	4.37	9.40
2014	9.26	2.89	6.91	3.76	2.28	2.90	2.78	3.94	3.50	3.05	6.44	10.43
2015	3.03	12.61	2.33	3.02	2.59	4.65	0.75	3.20	6.91	7.47	4.65	4.50
2016	1.15	2.66	4.26	2.23	7.63	4.99	2.74	3.31	2.54	3.96	3.40	4.35
2017	3.03	2.63	2.18	1.91	6.29	2.55	1.79	2.86	2.32	3.12	5.68	4.15
2018	4.50	2.10	0.89	2.94	3.15	2.93	0.89	1.72	2.01	3.00	4.95	1.88
2019	3.78	2.35	0.98	4.69	2.15	2.87	2.44	M	M	M	M	M
2020	M	M	M	M	M	M	1.10	2.97	2.90	2.10	2.73	3.87
2021	1.32	3.36	2.25	M	M	M	3.21	1.35	4.81	2.90	5.07	2.75
2022	1.77	3.74	3.59	3.95	2.08	2.71	3.72	4.87	4.24	2.56	4.37	4.28
2023	4.63	1.07	1.70	0.66	2.26	4.59	3.44	5.28	3.12	2.91	2.62	1.07
2024	1.12	1.37	7.03	1.42	0.40	3.05	0.86	1.07	1.09	2.58	5.48	1.85
2025	1.97	2.20	3.68	3.21	3.02	2.34	3.36	0.38	M	M	M	M

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	M	M	M	19.0	M	M	M	M	M	M	M	M
2001	14.9	16.2	M	13.9	12.3	12.3	12.6	12.3	13.9	17.2	18.1	19.7
2002	18.1	16.1	17.4	15.7	14.1	12.6	11.2	12.8	15.7	18.7	18.9	20.5
2003	M	M	M	M	10.8	11.4	12.5	13.1	12.6	17.8	18.5	20.5
2004	19.7	16.7	11.5	11.2	13.6	11.7	10.1	12.4	16.7	15.4	20.6	19.7
2005	18.6	11.4	15.3	13.2	13.7	13.6	11.4	12.1	16.5	18.7	17.9	21.9
2006	17.7	16.3	12.0	15.4	9.6	12.9	7.0	13.4	14.0	18.2	15.4	20.8
2007	19.8	15.9	16.7	16.3	12.7	11.4	10.4	12.4	16.0	16.8	18.9	20.9
2008	16.6	14.1	15.4	11.5	12.0	11.6	10.4	13.9	14.8	16.6	19.4	19.5
2009	18.7	15.0	15.1	13.7	12.7	12.6	11.3	12.5	16.1	17.8	17.0	22.1
2010	19.3	14.9	15.7	14.0	13.6	11.5	12.2	10.6	15.2	20.0	17.2	22.6
2011	20.0	16.8	15.8	14.6	14.2	11.9	11.9	12.4	13.1	18.7	17.7	17.7
2012	18.5	15.1	15.1	14.1	11.0	12.4	10.9	11.6	14.7	16.9	17.7	20.1
2013	20.1	16.8	15.5	14.3	13.4	12.3	11.5	12.8	15.5	15.2	19.6	19.8
2014	18.4	13.8	16.2	13.6	12.2	11.2	13.1	13.0	16.0	17.6	20.9	17.1
2015	18.5	16.8	15.8	14.4	13.0	12.3	10.9	12.6	15.4	18.5	17.8	18.1
2016	20.0	17.0	16.2	14.1	12.2	13.6	11.3	13.1	15.7	16.6	15.9	20.5
2017	17.2	16.6	16.2	11.2	14.2	12.1	11.9	11.9	13.7	16.1	18.8	22.0
2018	14.8	14.0	17.9	12.9	13.9	13.8	12.6	12.3	13.9	17.2	23.8	18.4
2019	14.4	19.4	14.2	17.0	12.6	10.9	11.2	11.6	15.6	14.5	22.3	20.8
2020	17.0	15.1	16.3	15.8	15.1	12.3	10.2	15.0	14.6	16.5	17.5	18.5
2021	16.9	17.9	15.2	0.0	0.0	0.0	9.2	12.0	15.6	13.7	18.9	20.4
2022	18.7	17.1	14.8	15.2	11.4	11.3	12.9	11.7	15.2	14.4	22.0	21.1
2023	18.6	15.5	13.9	13.3	15.7	14.1	10.2	11.6	12.9	15.6	18.9	19.6
2024	20.7	17.5	16.2	15.3	11.6	12.6	12.1	12.5	13.7	18.2	23.5	18.0
2025	20.0	17.8	14.5	14.7	14.3	12.5	12.4	12.3	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	27.20	22.22	30.70	40.03	48.90	63.90	M	65.20	M	46.40	M	32.00
2001	25.15	23.64	28.60	38.19	54.19	65.20	71.55	73.66	66.59	56.66	44.06	35.95
2002	27.06	26.77	33.10	41.99	55.54	61.69	70.38	74.14	65.73	51.18	40.30	30.49
2003	20.78	20.69	29.60	38.27	47.72	64.18	72.56	70.42	67.80	55.22	43.54	33.92
2004	23.70	18.25	M	M	M	56.37	68.32	69.20	58.43	51.04	39.13	27.61
2005	21.94	25.36	30.93	41.40	45.56	64.64	71.53	M	55.20	54.58	45.58	31.73
2006	32.06	22.51	29.10	38.25	50.85	62.35	69.21	67.35	58.89	50.98	42.06	32.43
2007	27.10	22.32	31.75	38.37	50.71	61.42	73.69	72.30	65.34	55.72	43.20	28.54
2008	28.90	26.59	28.62	41.41	50.69	61.48	75.39	68.71	63.25	52.22	39.08	26.99
2009	18.98	28.16	30.60	43.14	54.66	62.07	69.22	72.52	63.43	48.83	45.80	31.90
2010	29.45	27.54	35.34	44.04	52.69	62.73	73.93	72.80	63.85	53.48	42.40	36.88
2011	26.85	22.92	29.44	39.53	42.49	53.92	65.77	67.19	64.66	52.96	46.08	35.36
2012	28.85	25.08	34.64	44.02	55.19	61.60	71.81	74.50	65.92	53.89	42.90	34.18
2013	24.45	26.06	32.20	41.36	55.53	61.89	72.81	70.76	63.90	52.59	41.92	27.85
2014	26.30	23.42	26.50	40.67	49.54	63.11	76.56	69.56	63.91	54.42	41.32	33.95
2015	23.56	15.72	28.38	36.60	56.95	60.75	69.94	75.66	68.20	52.31	43.60	36.53
2016	28.95	31.75	30.44	39.62	52.33	61.83	69.06	70.74	62.18	55.57	43.81	32.53
2017	29.30	27.70	29.23	41.76	49.91	64.06	71.52	70.63	63.99	57.48	34.89	31.73
2018	27.57	29.41	31.75	39.20	53.50	60.89	76.09	75.19	65.92	50.90	38.49	29.54
2019	27.53	22.29	31.64	39.80	46.56	61.35	71.48	72.33	61.36	53.15	41.47	33.67
2020	27.99	27.07	31.65	39.24	52.43	67.14	71.01	72.41	64.95	54.35	46.10	37.80
2021	29.94	28.13	37.37	M	M	M	69.90	75.03	65.91	55.69	45.80	36.21
2022	26.64	28.51	32.26	40.33	55.01	62.11	74.13	73.55	65.07	57.77	45.51	36.62
2023	32.11	24.91	31.26	40.90	52.12	60.01	74.58	68.77	65.27	57.69	41.52	38.01
2024	30.02	31.16	36.36	42.15	50.68	65.34	76.19	74.21	66.61	56.09	44.17	35.19
2025	28.32	26.05	35.87	40.68	52.35	67.16	73.97	73.55	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	25.64	19.72	30.70	37.73	47.58	63.30	M	62.95	M	46.00	M	31.80
2001	15.83	13.66	28.40	31.26	42.18	55.66	60.05	62.98	55.75	47.56	35.61	28.97
2002	18.95	14.46	22.20	31.88	41.50	50.36	60.51	63.20	55.52	43.09	32.28	24.02
2003	10.76	8.41	17.23	28.82	38.06	52.23	61.94	59.11	55.04	45.60	35.02	24.66
2004	23.70	14.35	M	M	M	54.27	64.53	66.72	57.15	48.95	36.97	24.87
2005	11.19	15.73	20.90	31.84	38.85	51.79	60.85	M	53.60	47.98	35.36	25.56
2006	24.73	18.39	26.60	37.31	47.49	60.42	67.02	64.47	57.85	50.30	40.87	30.89
2007	17.63	9.95	20.80	30.53	39.86	51.32	62.56	61.41	54.75	47.64	34.23	21.41
2008	16.92	14.44	16.18	31.42	41.75	53.26	63.62	60.71	54.00	44.58	37.96	25.58
2009	7.02	14.33	18.91	32.43	42.56	52.50	58.61	63.07	53.07	42.57	37.80	25.05
2010	23.35	22.63	27.92	35.68	43.36	51.67	62.83	61.74	55.92	45.80	35.70	31.61
2011	20.33	18.28	25.73	34.94	37.64	51.67	61.69	62.38	54.64	46.69	37.70	25.45
2012	17.07	15.57	24.82	33.51	44.61	51.64	61.13	64.99	56.43	47.32	35.07	26.40
2013	13.69	16.27	26.46	31.54	42.63	50.73	60.48	60.79	54.37	44.75	32.47	19.11
2014	12.51	14.60	14.88	30.20	39.34	51.67	63.82	60.54	54.13	47.75	32.57	24.38
2015	10.10	2.85	15.85	27.79	42.87	50.46	59.45	65.03	56.82	42.65	36.15	30.06
2016	21.28	18.55	21.14	29.21	40.91	50.23	55.34	55.92	47.17	47.17	37.80	24.08
2017	20.90	17.83	19.97	32.46	40.13	48.55	56.03	59.64	54.95	41.81	22.78	26.27
2018	13.82	15.75	25.82	29.77	40.42	48.31	63.31	65.17	55.33	42.45	31.48	22.43
2019	13.55	11.16	20.90	31.28	38.77	52.14	61.81	63.04	53.14	46.66	32.74	25.31
2020	19.03	15.56	23.43	31.92	41.10	55.37	61.47	63.03	54.68	44.85	35.37	28.88
2021	24.85	20.43	22.47	M	M	M	60.67	65.08	57.21	49.94	38.01	26.14
2022	13.66	16.07	23.65	33.21	43.25	53.72	62.79	64.11	56.55	50.14	36.66	29.00
2023	24.53	13.81	25.21	32.45	41.15	49.99	65.50	60.29	58.16	49.91	33.54	30.32
2024	21.41	22.55	28.34	34.17	43.56	54.94	65.37	63.42	58.17	48.05	38.57	26.46
2025	20.10	13.30	24.90	32.57	41.37	54.74	62.85	62.16	M	M	M	M

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	26.42	20.97	30.70	38.88	48.24	63.60	M	64.07	M	46.20	M	31.90
2001	20.49	18.65	28.50	34.73	48.19	60.43	65.80	68.32	61.17	52.11	39.83	32.46
2002	23.01	20.62	27.65	36.93	48.52	56.02	65.45	68.67	60.62	47.14	36.29	27.25
2003	15.77	14.55	23.42	33.54	42.89	58.20	67.25	64.76	61.42	50.41	39.28	29.29
2004	23.70	16.30	M	M	M	55.32	66.43	67.96	57.79	49.99	38.05	26.24
2005	16.57	20.54	25.91	36.62	42.21	58.21	66.19	M	54.40	51.28	40.47	28.65
2006	28.40	20.45	27.85	37.78	49.17	61.39	68.12	65.91	58.37	50.64	41.47	31.66
2007	22.36	16.14	26.27	34.45	45.29	56.37	68.12	66.85	60.04	51.68	38.72	24.97
2008	22.91	20.52	22.40	36.41	46.22	57.37	69.50	64.71	58.62	48.40	38.52	26.29
2009	13.00	21.24	24.75	37.78	48.61	57.29	63.91	67.80	58.25	45.70	41.80	28.47
2010	26.40	25.08	31.63	39.86	48.03	57.20	68.38	67.27	59.89	49.64	39.05	34.24
2011	23.59	20.60	27.58	37.24	40.06	52.79	63.73	64.79	59.65	49.83	41.89	30.40
2012	22.96	20.32	29.73	38.76	49.90	56.62	66.47	69.75	61.17	50.60	38.98	30.29
2013	19.07	21.17	29.33	36.45	49.08	56.31	66.65	65.78	59.13	48.67	37.20	23.48
2014	19.40	19.01	20.69	35.44	44.44	57.39	70.19	65.05	59.02	51.09	36.95	29.16
2015	16.83	9.28	22.12	32.19	49.91	55.60	64.69	70.35	62.51	47.48	39.88	33.29
2016	25.12	25.15	25.79	34.41	46.62	56.03	62.20	63.33	54.67	51.37	40.80	28.30
2017	25.10	22.77	24.60	37.11	45.02	56.30	63.77	65.13	59.47	49.64	28.83	29.00
2018	20.69	22.58	28.79	34.48	46.96	54.60	69.70	70.18	60.62	46.67	34.98	25.98
2019	20.54	16.73	26.27	35.54	42.67	56.75	66.65	67.69	57.25	49.91	37.10	29.49
2020	23.51	21.32	27.54	35.58	46.77	61.25	66.24	67.72	59.81	49.60	40.74	33.34
2021	27.39	24.28	29.92	M	M	M	65.28	70.05	61.56	52.81	41.91	31.17
2022	20.15	22.29	27.95	36.77	49.13	57.92	68.46	68.83	60.81	53.95	41.09	32.81
2023	28.32	19.36	28.24	36.67	46.63	55.00	70.04	64.53	61.72	53.80	37.53	34.17
2024	25.71	26.86	32.35	38.16	47.12	60.14	70.78	68.81	62.39	52.07	41.37	30.82
2025	24.21	19.68	30.39	36.63	46.86	60.95	68.41	67.85	M	M	M	M

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	M	M	89.0%	M	M	M	M	M	M	M	M
2001	92.3%	88.2%	M	91.2%	89.3%	87.6%	81.7%	81.3%	80.3%	79.9%	82.4%	81.3%
2002	86.0%	85.8%	80.5%	86.5%	82.1%	85.0%	84.7%	82.5%	77.8%	75.6%	82.5%	80.6%
2003	M	M	M	M	88.5%	84.6%	85.6%	86.5%	83.8%	80.1%	83.9%	87.0%
2004	83.9%	82.6%	85.3%	89.0%	80.3%	86.0%	89.6%	84.0%	83.5%	91.3%	100.0%	100.0%
2005	100.0%	100.0%	100.0%	100.0%	M	M	M	91.4%	85.6%	90.5%	85.9%	88.5%
2006	89.7%	86.2%	89.8%	87.9%	89.3%	92.2%	90.1%	85.3%	84.2%	77.2%	79.6%	80.6%
2007	82.1%	79.5%	80.3%	82.4%	79.0%	83.2%	80.8%	76.0%	73.9%	77.5%	77.9%	82.0%
2008	86.1%	84.4%	80.7%	81.7%	85.3%	87.5%	79.6%	85.1%	78.7%	76.4%	80.2%	80.6%
2009	79.4%	84.2%	80.0%	80.1%	77.0%	83.4%	83.9%	78.9%	75.1%	74.1%	77.1%	83.2%
2010	81.6%	87.5%	79.8%	83.5%	78.3%	82.0%	80.1%	77.0%	79.9%	76.3%	79.5%	84.3%
2011	83.0%	81.8%	78.3%	79.2%	89.2%	88.6%	82.1%	84.1%	81.1%	79.9%	76.8%	81.4%
2012	83.1%	84.7%	80.4%	82.1%	80.3%	84.3%	78.6%	79.9%	78.2%	80.0%	77.8%	85.3%
2013	79.3%	82.6%	86.9%	81.2%	83.0%	83.0%	78.2%	79.7%	81.8%	76.3%	77.2%	86.7%
2014	82.6%	81.2%	79.3%	84.7%	84.4%	80.6%	78.5%	83.6%	75.9%	81.4%	80.7%	85.9%
2015	82.9%	82.5%	78.7%	83.1%	75.5%	79.4%	80.3%	79.5%	76.6%	75.4%	78.9%	85.5%
2016	81.5%	81.6%	79.7%	78.2%	84.3%	80.0%	81.0%	77.9%	76.5%	77.1%	81.6%	80.1%
2017	79.5%	78.7%	77.8%	81.8%	82.8%	79.7%	72.0%	76.7%	79.8%	74.7%	75.7%	89.2%
2018	77.0%	77.9%	85.4%	78.5%	73.6%	76.3%	77.1%	78.1%	72.8%	75.9%	80.2%	78.9%
2019	80.0%	75.1%	73.1%	80.1%	82.8%	81.5%	80.4%	77.7%	77.6%	77.3%	76.6%	75.5%
2020	80.8%	78.1%	79.5%	76.2%	76.7%	75.6%	83.7%	76.1%	74.4%	73.6%	75.9%	85.2%
2021	82.5%	78.5%	71.6%	M	M	M	80.4%	79.3%	82.1%	82.5%	77.3%	76.3%
2022	80.1%	78.2%	79.7%	85.5%	77.4%	84.1%	77.2%	81.5%	78.4%	78.2%	76.2%	80.5%
2023	82.4%	76.8%	86.0%	82.0%	75.4%	89.7%	91.7%	86.8%	91.8%	87.0%	71.3%	75.8%
2024	75.5%	78.9%	84.2%	78.9%	86.0%	82.7%	77.3%	77.6%	76.4%	73.8%	82.7%	78.5%
2025	79.3%	75.1%	81.2%	81.2%	80.5%	76.1%	78.5%	70.5%	M	M	M	M