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	0.02	0.00	M	0.00	M	M	M	M	M	M	M	0.00
2001	0.64	2.04	0.00	3.10	2.69	2.12	0.93	1.07	6.80	4.05	3.41	2.60
2002	4.33	3.34	0.00	0.00	0.00	0.95	2.31	1.28	4.42	2.81	7.62	5.72
2003	M	M	M	M	M	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	0.72	0.31	0.86	0.00	0.00	0.00	0.00	0.00	0.00	0.00	4.44	3.05
2008	3.95	7.03	5.85	2.95	0.00	14.30	3.36	1.33	24.27	5.67	5.10	7.16
2009	2.74	2.21	3.84	5.20	3.99	2.90	5.51	4.87	2.68	4.74	7.67	5.62
2010	2.37	4.95	1.59	0.92	1.32	3.63	5.70	1.02	2.23	10.15	6.63	7.35
2011	1.82	5.43	2.03	4.00	5.52	4.25	2.19	10.21	1.83	60.18	0.00	2.63
2012	2.98	1.16	1.59	2.30	4.10	4.17	2.17	1.80	3.71	4.91	9.24	21.29
2013	8.04	1.82	1.96	3.65	3.57	5.91	3.58	1.96	3.89	3.17	5.03	4.63
2014	5.23	3.14	4.97	4.53	2.45	4.32	4.40	1.41	2.81	3.96	8.20	5.46
2015	M	0.18	2.17	3.90	2.32	5.86	1.36	2.45	5.77	3.22	3.45	4.95
2016	2.55	3.86	3.37	3.05	3.28	1.31	2.69	1.64	2.06	3.37	1.94	4.54
2017	3.57	1.09	2.33	2.44	5.35	7.52	2.55	2.17	2.95	1.78	3.73	3.75
2018	3.36	5.15	1.26	4.82	1.70	5.09	1.80	1.63	3.43	7.43	7.99	4.06
2019	3.97	3.03	2.57	5.98	5.77	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	0.41	1.47	2.33	2.03	4.92	9.14
2021	1.89	3.61	2.38	3.08	4.49	3.68	3.74	3.72	6.55	2.15	4.31	4.02
2022	3.33	3.98	3.84	3.77	2.10	3.85	2.05	5.43	1.97	4.13	2.54	4.62
2023	8.33	1.64	1.95	1.78	1.20	6.82	5.00	5.57	4.53	3.89	3.18	3.31
2024	4.05	2.37	12.53	2.13	1.43	1.86	5.67	3.00	2.53	2.10	2.69	3.94
2025	2.56	0.92	M	M	M	M	M	M	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	24.3	M	M	M	M	M	M	M	M
2001	16.5	20.2	M	13.7	10.7	10.4	9.4	8.7	9.5	13.4	15.6	18.4
2002	18.8	19.6	17.1	14.8	13.7	10.3	10.2	9.2	11.1	16.4	19.1	22.1
2003	M	M	M	M	M	9.2	10.3	9.8	8.4	13.7	17.5	21.2
2004	23.4	20.2	15.7	13.8	10.8	10.3	8.9	9.8	10.9	12.9	12.8	18.4
2005	7.6	0.0	0.0	0.0	13.5	10.0	9.6	9.1	11.2	15.5	16.5	19.3
2006	18.4	19.7	16.6	16.3	13.2	12.3	11.1	9.5	10.1	16.3	8.8	11.1
2007	6.2	0.0	0.0	17.4	10.9	11.8	9.7	9.3	10.1	12.3	17.5	20.0
2008	18.6	17.0	18.0	13.1	12.7	10.1	10.1	8.8	10.8	15.3	16.1	19.8
2009	20.6	19.7	16.3	14.1	10.8	9.9	9.8	9.2	9.9	16.0	15.6	22.7
2010	19.0	20.8	17.2	11.6	11.8	10.1	10.3	9.0	11.5	17.5	19.5	19.9
2011	18.6	19.6	17.2	14.1	14.2	10.2	9.5	10.6	9.9	14.9	14.4	16.8
2012	18.3	18.0	14.7	14.2	9.5	10.6	8.6	9.1	11.1	18.1	16.3	20.2
2013	20.9	21.9	17.8	14.2	12.1	11.0	9.3	10.0	11.4	12.3	19.2	19.3
2014	19.2	17.6	19.0	16.5	10.8	10.6	11.7	9.1	10.5	15.5	18.4	18.6
2015	21.3	21.4	18.6	14.4	11.7	11.8	8.6	9.7	10.4	16.5	16.6	16.7
2016	20.2	18.0	17.3	15.6	11.9	10.3	10.4	9.4	10.8	15.6	16.5	19.9
2017	18.6	19.8	20.0	13.2	12.4	11.9	8.8	9.6	11.0	13.5	18.0	20.4
2018	20.3	16.2	23.1	14.0	9.9	11.2	9.7	9.0	10.6	17.0	21.4	18.0
2019	19.4	23.3	16.4	15.7	12.0	10.6	8.9	9.1	11.1	14.2	20.1	20.2
2020	17.3	15.5	18.6	17.3	13.9	10.4	9.2	10.2	12.2	13.6	16.4	19.7
2021	18.4	17.9	18.5	16.7	11.8	11.2	10.3	8.6	10.9	13.1	17.4	19.6
2022	19.3	18.1	16.9	15.6	11.5	9.1	10.5	9.1	11.3	11.2	18.4	19.8
2023	18.2	18.3	19.0	12.3	12.7	11.3	9.1	9.0	9.0	11.1	16.9	16.0
2024	18.7	18.9	18.9	13.4	10.3	9.8	9.9	8.1	10.1	13.3	20.2	16.3
2025	20.2	20.9	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	34.24	31.95	44.20	42.80	49.98	63.90	M	64.10	M	42.60	M	37.80
2001	32.81	32.43	34.30	42.37	52.55	62.05	62.98	64.89	61.06	56.75	48.40	42.10
2002	37.72	37.76	39.51	44.88	51.76	57.15	63.16	65.36	63.61	53.37	46.69	38.96
2003	29.14	29.77	37.91	42.80	49.92	59.77	64.80	65.58	63.96	55.64	48.72	40.57
2004	38.70	31.55	M	M	M	51.47	56.21	58.94	55.90	50.49	42.39	35.32
2005	30.13	33.78	30.80	M	50.54	59.63	64.98	M	53.10	57.14	51.78	40.56
2006	40.14	31.37	36.81	43.62	52.30	58.28	63.37	63.22	58.36	54.44	51.40	40.52
2007	37.96	33.18	51.97	45.08	53.30	60.39	64.92	65.78	64.29	58.02	48.63	37.60
2008	37.44	36.98	39.97	49.04	54.90	62.95	68.78	65.99	64.05	56.91	49.57	43.94
2009	34.09	37.44	40.78	50.30	56.99	64.00	66.45	70.26	64.50	54.89	53.55	40.54
2010	36.99	37.82	45.08	51.23	58.97	64.64	71.18	70.03	66.23	58.34	49.77	42.04
2011	35.81	37.67	42.21	48.49	51.50	57.13	69.67	67.63	64.75	58.64	51.97	44.67
2012	37.89	37.49	43.63	49.94	57.65	62.09	69.54	69.70	66.70	57.59	46.56	42.42
2013	35.10	34.96	38.99	45.02	53.46	59.19	67.83	66.48	60.31	55.31	46.03	36.59
2014	34.84	32.73	35.02	44.75	51.28	60.37	64.80	64.48	62.37	58.31	48.40	42.66
2015	33.27	26.95	34.72	42.99	52.83	56.49	64.56	66.56	64.86	54.88	48.75	45.35
2016	36.20	38.39	40.06	45.01	53.40	60.48	65.86	67.15	63.30	56.14	48.90	39.66
2017	38.03	36.35	35.16	46.24	52.67	60.01	63.81	66.14	62.13	60.07	49.14	37.52
2018	36.01	40.32	37.97	44.83	54.78	60.02	65.17	68.53	63.19	53.58	45.43	37.13
2019	35.24	32.52	36.69	45.76	49.44	59.16	66.29	66.47	60.00	55.45	46.75	39.75
2020	37.03	37.84	40.60	44.42	52.08	60.09	67.90	67.52	62.07	56.03	49.72	44.45
2021	35.48	35.36	41.36	47.01	53.68	63.39	63.84	67.18	64.00	57.83	49.05	42.65
2022	35.69	36.70	41.58	46.58	54.53	60.77	67.56	67.48	62.73	59.20	50.70	41.87
2023	40.29	36.13	39.77	48.48	54.37	58.33	65.93	65.76	60.78	58.02	44.79	41.89
2024	35.37	35.92	42.17	46.18	54.27	61.49	65.75	65.84	62.03	56.13	47.64	38.83
2025	32.95	31.40	M	M	M	M	M	M	M	M	M	M

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	33.94	30.75	44.20	40.60	49.66	61.50	M	60.90	M	41.20	M	34.20
2001	25.54	23.84	33.40	36.10	42.30	49.52	51.79	54.19	51.65	48.74	40.30	35.24
2002	29.09	25.91	30.08	35.31	43.73	48.18	53.86	56.26	55.12	44.95	37.20	30.07
2003	20.73	20.60	26.48	33.48	41.45	47.89	53.33	55.02	52.92	46.81	39.74	30.87
2004	37.40	28.05	M	M	M	49.52	53.16	56.88	54.98	49.14	40.34	31.38
2005	20.66	24.88	22.52	M	43.52	48.21	53.16	M	52.20	50.23	42.26	31.64
2006	31.65	27.96	34.07	42.76	50.52	55.27	61.65	60.65	57.51	54.02	42.59	38.35
2007	24.37	21.87	31.60	36.99	43.05	49.20	53.47	55.29	53.00	48.92	38.47	27.47
2008	27.90	26.70	29.06	38.90	44.26	50.30	55.65	55.25	53.60	48.95	41.79	30.23
2009	22.06	27.56	31.42	40.07	45.78	51.57	56.33	57.40	53.96	46.95	45.74	31.75
2010	29.27	30.84	35.94	41.67	47.15	52.15	56.90	57.38	56.67	50.72	42.37	35.28
2011	28.31	27.10	32.07	39.89	43.42	43.38	57.03	56.71	55.02	51.11	42.85	33.85
2012	26.21	28.29	33.82	39.50	45.94	51.36	57.08	59.12	56.69	48.31	39.70	32.30
2013	23.76	25.99	32.12	37.18	44.25	50.37	55.44	55.40	52.76	48.33	37.21	27.12
2014	23.92	24.91	24.92	36.35	42.34	49.27	54.31	54.65	53.77	51.24	38.58	32.74
2015	20.97	14.34	25.44	34.73	42.63	47.40	52.49	55.41	55.19	46.45	40.95	36.57
2016	27.92	27.79	30.56	36.02	44.35	49.81	55.28	56.44	54.48	48.01	42.04	29.29
2017	28.20	26.95	25.08	36.91	42.54	49.21	52.67	54.69	54.18	51.87	37.90	27.61
2018	23.72	28.70	31.19	35.45	44.29	48.87	54.61	57.13	53.90	45.41	36.39	27.77
2019	22.97	22.31	29.40	36.62	41.48	47.99	53.09	54.68	51.80	48.37	36.90	30.80
2020	27.86	27.77	31.87	36.19	42.16	49.12	54.53	55.99	53.16	47.45	41.08	35.04
2021	29.24	26.62	29.75	38.39	44.17	51.92	54.27	57.41	55.39	50.47	41.27	31.94
2022	21.72	25.63	31.34	38.92	44.49	50.02	56.25	57.55	54.01	50.61	41.20	33.71
2023	31.88	24.15	32.55	38.90	43.47	48.73	54.84	55.42	53.38	50.49	36.28	34.09
2024	26.24	27.51	33.44	37.73	44.38	50.72	55.15	56.03	53.65	48.14	41.30	30.90
2025	23.71	20.97	M	M	M	M	M	M	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	34.09	31.35	44.20	41.70	49.82	62.70	M	62.50	M	41.90	M	36.00
2001	29.17	28.13	33.85	39.24	47.43	55.79	57.39	59.54	56.35	52.75	44.35	38.67
2002	33.41	31.83	34.80	40.09	47.75	52.67	58.51	60.81	59.37	49.16	41.94	34.52
2003	24.94	25.18	32.20	38.14	45.69	53.83	59.06	60.30	58.44	51.22	44.23	35.72
2004	38.05	29.80	M	M	M	50.49	54.69	57.91	55.44	49.82	41.36	33.35
2005	25.39	29.33	26.66	M	47.03	53.92	59.07	M	52.65	53.68	47.02	36.10
2006	35.89	29.67	35.44	43.19	51.41	56.77	62.51	61.93	57.93	54.23	47.00	39.44
2007	31.17	27.52	41.78	41.03	48.17	54.80	59.20	60.54	58.65	53.47	43.55	32.54
2008	32.67	31.84	34.52	43.97	49.58	56.63	62.21	60.62	58.82	52.93	45.68	37.08
2009	28.08	32.50	36.10	45.18	51.39	57.79	61.39	63.83	59.23	50.92	49.65	36.14
2010	33.13	34.33	40.51	46.45	53.06	58.39	64.04	63.70	61.45	54.53	46.07	38.66
2011	32.06	32.39	37.14	44.19	47.46	50.25	63.35	62.17	59.88	54.87	47.41	39.26
2012	32.05	32.89	38.72	44.72	51.79	56.72	63.31	64.41	61.70	52.95	43.13	37.36
2013	29.43	30.47	35.55	41.10	48.85	54.78	61.64	60.94	56.54	51.82	41.62	31.85
2014	29.38	28.82	29.97	40.55	46.81	54.82	59.55	59.57	58.07	54.78	43.49	37.70
2015	27.12	20.65	30.08	38.86	47.73	51.95	58.52	60.98	60.02	50.66	44.85	40.96
2016	32.06	33.09	35.31	40.51	48.88	55.14	60.57	61.80	58.89	52.07	45.47	34.47
2017	33.11	31.65	30.12	41.57	47.60	54.61	58.24	60.41	58.16	55.97	43.52	32.56
2018	29.87	34.51	34.58	40.14	49.53	54.45	59.89	62.83	58.54	49.50	40.91	32.45
2019	29.10	27.41	33.05	41.19	45.46	53.58	59.69	60.58	55.90	51.91	41.83	35.27
2020	32.44	32.81	36.23	40.30	47.12	54.60	61.22	61.76	57.62	51.74	45.40	39.75
2021	32.36	30.99	35.55	42.70	48.93	57.66	59.05	62.30	59.70	54.15	45.16	37.29
2022	28.70	31.16	36.46	42.75	49.51	55.39	61.91	62.51	58.37	54.90	45.95	37.79
2023	36.09	30.14	36.16	43.69	48.92	53.53	60.38	60.59	57.08	54.25	40.53	37.99
2024	30.81	31.72	37.80	41.96	49.33	56.10	60.45	60.94	57.84	52.13	44.47	34.86
2025	28.33	26.19	M	M	M	M	M	M	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	75.3%	M	M	M	M	M	M	M	M
2001	84.1%	79.8%	M	85.8%	87.8%	89.2%	92.7%	92.2%	91.4%	85.5%	85.9%	83.6%
2002	85.0%	85.3%	80.1%	86.2%	87.8%	92.7%	93.6%	93.4%	91.0%	80.9%	86.9%	82.7%
2003	M	M	M	M	M	94.0%	94.7%	95.1%	93.9%	88.4%	85.4%	86.3%
2004	91.8%	82.4%	87.0%	85.7%	88.9%	86.8%	96.9%	95.4%	92.0%	87.7%	78.8%	71.6%
2005	M	M	M	M	88.7%	91.0%	90.9%	90.8%	87.9%	86.6%	78.3%	80.4%
2006	84.4%	76.7%	74.6%	80.5%	86.0%	93.6%	90.6%	87.3%	87.3%	78.3%	78.3%	75.6%
2007	79.8%	M	M	78.2%	82.9%	86.6%	90.5%	83.9%	85.3%	82.9%	76.9%	79.9%
2008	79.3%	78.9%	73.7%	79.6%	79.1%	87.9%	93.7%	92.9%	87.8%	80.1%	79.2%	80.2%
2009	78.7%	81.3%	76.0%	81.1%	87.1%	88.1%	92.0%	90.8%	86.4%	78.9%	80.6%	82.1%
2010	82.2%	81.9%	77.1%	83.9%	80.0%	88.0%	89.1%	87.1%	88.6%	80.0%	80.8%	87.1%
2011	83.4%	80.1%	76.2%	82.5%	93.2%	87.9%	86.3%	93.9%	91.0%	82.6%	79.1%	79.7%
2012	80.7%	77.8%	77.5%	78.8%	85.1%	86.9%	86.3%	91.0%	85.5%	76.6%	74.6%	80.5%
2013	77.7%	77.6%	78.4%	79.4%	88.5%	88.5%	87.4%	88.1%	87.9%	78.1%	74.3%	83.2%
2014	82.8%	75.5%	73.3%	83.1%	85.6%	83.1%	88.7%	87.8%	82.7%	82.6%	77.9%	81.4%
2015	80.9%	85.1%	74.7%	80.9%	82.1%	86.0%	86.8%	90.8%	86.1%	76.0%	77.8%	83.0%
2016	76.3%	79.2%	75.0%	71.8%	82.3%	83.0%	86.5%	85.9%	85.0%	79.7%	79.6%	78.5%
2017	77.3%	79.8%	74.4%	83.3%	84.9%	83.7%	86.8%	86.4%	87.9%	80.1%	76.3%	80.9%
2018	83.6%	80.5%	79.3%	77.5%	83.1%	84.5%	90.9%	91.6%	86.7%	80.6%	82.1%	80.0%
2019	83.0%	74.9%	72.8%	82.4%	88.6%	88.5%	89.6%	91.2%	90.5%	82.4%	78.8%	80.3%
2020	85.6%	79.6%	76.0%	78.8%	83.1%	90.3%	94.8%	91.4%	89.6%	85.0%	81.9%	85.3%
2021	83.0%	78.0%	75.6%	84.8%	84.8%	89.4%	92.6%	93.2%	91.1%	85.1%	75.1%	78.7%
2022	86.7%	82.6%	81.4%	82.2%	83.4%	89.1%	88.1%	93.7%	87.2%	83.7%	75.6%	81.3%
2023	83.8%	77.6%	77.6%	78.0%	78.3%	93.0%	94.9%	88.8%	91.5%	85.1%	73.7%	83.0%
2024	78.0%	77.7%	83.2%	78.3%	83.7%	87.1%	91.1%	91.2%	86.8%	79.2%	79.6%	80.2%
2025	78.3%	78.0%	M	M	M	M	M	M	M	M	M	M