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	0.00	0.00	M	0.00	M	M	M	M	M	M	M	0.00
2001	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2002	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2003	M	M	M	M	M	M	M	M	M	M	M	M
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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2008	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2009	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2010	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2011	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	0.00	0.00	M	M	M	M	M
2017	M	M	M	M	M	M	0.00	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	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	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	3.1	M	M	M	M	M	M	M	M
2001	14.7	17.0	M	13.3	10.2	10.7	10.3	11.1	12.3	15.4	15.4	14.4
2002	17.5	18.6	16.9	16.9	13.7	12.1	11.1	11.8	14.9	20.8	19.8	19.4
2003	M	M	M	M	M	M	M	M	M	M	M	M
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	22.2	17.2	18.7	16.2	13.4	11.3	10.9	12.7	16.3	17.6	20.8	21.9
2008	19.7	18.0	17.2	11.2	12.6	12.1	10.3	14.3	14.5	17.7	19.6	22.2
2009	21.0	15.6	14.1	13.9	11.6	9.0	11.3	11.8	12.8	18.1	16.6	20.2
2010	18.3	14.0	15.0	11.3	12.7	11.1	10.9	9.4	13.8	18.4	16.5	19.2
2011	19.5	19.7	16.8	14.7	12.6	11.0	10.4	11.9	12.1	17.1	17.5	16.8
2012	19.4	17.0	13.4	15.1	9.7	10.3	9.9	10.9	15.0	18.5	16.7	18.6
2013	20.6	15.6	13.5	12.5	12.6	10.1	10.4	11.7	13.2	15.6	19.8	20.6
2014	15.5	12.3	14.4	15.0	8.8	9.2	11.9	9.9	13.2	13.0	18.9	17.8
2015	19.1	13.1	11.7	11.2	10.0	11.3	9.2	10.0	13.6	17.2	17.2	16.3
2016	17.8	12.5	16.1	13.1	9.5	11.5	9.1	10.8	13.5	14.7	14.0	20.3
2017	18.2	18.1	16.0	11.9	4.5	10.1	9.1	10.6	11.6	14.9	17.8	19.6
2018	19.0	13.9	15.1	13.3	11.2	11.0	10.0	10.5	12.2	17.9	21.7	18.1
2019	18.3	16.5	11.5	15.5	10.6	9.5	9.1	10.3	13.4	13.5	20.9	20.1
2020	16.8	13.7	0.0	0.0	0.0	0.0	7.0	11.3	14.9	15.8	16.7	17.5
2021	16.3	18.4	15.5	12.6	11.3	11.3	10.8	9.9	13.3	11.6	17.7	20.9
2022	19.2	17.0	14.4	13.3	10.8	10.1	10.9	10.0	14.5	11.0	21.1	17.6
2023	16.7	16.7	14.6	10.8	13.6	10.8	8.6	11.5	10.3	12.0	17.1	18.6
2024	18.1	15.9	16.1	14.5	8.9	9.5	8.9	10.5	11.1	14.6	7.7	15.9
2025	17.9	18.2	13.1	12.3	11.7	9.7	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	35.86	23.98	41.00	31.50	49.40	68.70	M	67.00	M	47.10	M	36.10
2001	28.69	27.69	31.30	40.28	55.85	65.81	73.07	75.60	68.45	60.00	47.39	39.54
2002	30.92	32.27	36.72	43.58	56.66	61.23	73.22	75.16	68.51	53.64	46.26	36.81
2003	27.79	27.13	35.14	39.11	M	69.17	74.84	71.60	68.49	59.19	47.47	40.30
2004	29.10	24.25	M	M	M	55.18	69.42	70.47	57.84	52.55	40.91	33.89
2005	28.05	29.85	34.52	46.49	54.17	66.60	71.84	M	54.70	56.58	50.56	38.76
2006	38.05	28.14	30.90	42.84	53.55	64.55	71.17	65.63	61.22	48.00	45.63	36.25
2007	34.75	25.25	34.75	41.13	52.42	64.90	73.75	71.65	66.63	57.65	48.30	33.21
2008	34.91	33.01	33.89	45.88	52.79	63.61	77.43	70.27	66.04	54.45	49.07	41.16
2009	26.29	32.06	35.72	48.27	58.87	66.50	72.93	75.17	64.72	51.57	51.12	37.56
2010	32.85	32.42	40.30	50.46	54.44	64.78	75.90	74.95	66.31	56.39	46.72	43.30
2011	33.65	31.56	37.50	48.15	59.36	62.12	71.75	74.16	68.16	57.98	50.23	41.76
2012	36.53	32.56	39.81	53.11	59.21	64.31	76.08	78.67	69.69	58.20	47.98	43.62
2013	30.74	31.91	37.85	45.72	59.80	66.52	75.95	73.79	66.70	56.02	49.57	30.38
2014	34.02	30.02	33.19	45.99	54.85	65.15	79.18	74.25	68.32	60.82	49.61	42.18
2015	32.81	26.22	32.38	42.46	60.31	62.63	71.72	77.59	70.27	57.39	47.21	41.73
2016	33.77	38.21	37.89	43.96	56.67	65.45	73.53	73.69	67.44	58.23	48.88	37.04
2017	35.05	34.79	35.45	46.82	55.54	66.81	74.57	71.56	64.20	60.66	49.60	35.98
2018	33.13	32.81	35.49	43.56	53.88	60.82	76.25	76.75	67.61	53.58	43.25	34.29
2019	34.56	26.28	37.16	45.20	48.63	63.79	72.31	75.47	63.06	54.96	46.79	38.11
2020	32.35	32.41	36.57	43.70	54.16	69.42	74.59	77.79	68.68	51.02	50.44	41.12
2021	29.05	34.30	40.22	49.07	55.31	70.54	68.62	75.34	68.06	57.92	50.16	39.41
2022	35.65	33.31	37.28	45.38	55.98	65.31	74.64	75.49	66.71	61.19	48.27	40.67
2023	38.82	29.41	34.49	44.11	53.51	64.99	76.62	71.71	69.12	59.55	44.74	41.20
2024	32.54	35.38	42.43	44.47	54.75	67.38	76.01	76.26	68.32	56.79	47.50	38.53
2025	32.01	29.57	42.05	43.74	56.62	68.52	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	35.42	21.90	41.00	27.30	47.52	67.10	M	64.95	M	43.90	M	35.40
2001	19.68	15.94	30.60	29.76	39.88	51.91	59.44	61.90	55.35	47.21	36.68	30.80
2002	22.75	19.68	23.23	32.18	41.03	46.63	58.74	61.74	54.71	42.49	35.84	27.12
2003	16.52	11.03	18.08	23.86	M	53.94	62.05	59.72	55.52	47.82	37.44	30.40
2004	28.40	23.05	M	M	M	53.70	65.53	67.23	56.64	50.20	38.41	31.70
2005	17.78	17.31	21.23	32.43	39.80	48.63	58.82	M	53.80	47.70	37.39	29.87
2006	27.60	22.88	26.57	41.35	49.93	62.34	68.96	62.90	60.37	46.73	43.98	34.13
2007	22.62	13.48	21.50	28.57	37.31	49.10	60.81	58.34	52.74	46.80	35.84	25.44
2008	22.99	19.69	17.94	31.72	39.85	50.76	63.75	59.79	53.10	43.79	38.33	26.55
2009	14.55	16.93	20.88	32.09	40.69	51.94	58.44	61.35	49.88	41.37	37.71	27.93
2010	24.62	25.11	27.26	34.39	39.53	49.11	61.49	57.72	53.70	45.66	36.88	34.85
2011	24.07	20.99	24.45	31.52	43.45	48.05	56.60	59.96	54.84	47.81	38.80	29.95
2012	23.87	21.95	26.47	35.52	43.15	47.58	59.31	64.50	56.76	48.51	38.38	30.05
2013	19.87	19.06	27.06	31.93	44.03	52.62	58.94	60.23	54.54	45.26	37.86	20.75
2014	18.59	14.58	15.87	32.11	34.13	48.96	64.45	59.55	52.76	47.90	35.59	29.19
2015	17.93	7.41	16.28	25.84	40.89	47.45	56.55	64.15	56.79	43.65	35.85	31.21
2016	24.38	23.34	22.54	30.39	41.59	51.13	59.08	59.15	55.85	44.94	39.73	27.08
2017	23.55	21.03	21.17	31.65	40.27	52.01	58.36	59.09	52.84	47.62	35.08	25.81
2018	20.17	16.91	26.17	29.64	36.17	45.04	61.99	62.61	50.11	41.76	33.53	25.83
2019	19.71	12.66	20.43	31.16	35.92	49.20	57.07	59.51	49.16	43.18	34.43	28.03
2020	21.11	19.27	23.03	30.72	38.76	54.00	59.25	62.84	53.46	32.24	37.00	29.69
2021	16.23	24.67	25.27	34.63	38.94	54.90	56.19	61.92	55.74	46.49	39.53	29.04
2022	21.76	20.51	24.42	32.33	40.33	52.49	60.76	62.54	55.05	48.26	38.87	31.60
2023	27.69	18.62	25.86	31.39	38.27	52.18	65.08	59.30	56.48	48.45	35.54	32.25
2024	23.92	24.44	30.74	32.75	41.97	53.11	63.43	62.66	55.14	45.58	39.71	28.91
2025	22.50	18.47	27.32	32.64	41.90	52.36	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	35.64	22.94	41.00	29.40	48.46	67.90	M	65.98	M	45.50	M	35.75
2001	24.19	21.82	30.95	35.02	47.86	58.86	66.26	68.75	61.90	53.60	42.04	35.17
2002	26.83	25.97	29.98	37.88	48.85	53.93	65.98	68.45	61.61	48.06	41.05	31.97
2003	22.15	19.08	26.61	31.48	M	61.56	68.45	65.66	62.01	53.51	42.45	35.35
2004	28.75	23.65	M	M	M	54.44	67.48	68.85	57.24	51.38	39.66	32.80
2005	22.91	23.58	27.87	39.46	46.99	57.61	65.33	M	54.25	52.14	43.97	34.31
2006	32.82	25.51	28.74	42.10	51.74	63.44	70.07	64.27	60.79	47.37	44.81	35.19
2007	28.69	19.37	28.13	34.85	44.87	57.00	67.28	65.00	59.68	52.23	42.07	29.32
2008	28.95	26.35	25.91	38.80	46.32	57.19	70.59	65.03	59.57	49.12	43.70	33.86
2009	20.42	24.50	28.30	40.18	49.78	59.22	65.68	68.26	57.30	46.47	44.41	32.74
2010	28.74	28.76	33.78	42.43	46.98	56.94	68.70	66.34	60.00	51.02	41.80	39.08
2011	28.86	26.28	30.98	39.84	51.40	55.08	64.18	67.06	61.50	52.89	44.51	35.86
2012	30.20	27.26	33.14	44.32	51.18	55.94	67.70	71.59	63.23	53.35	43.18	36.84
2013	25.31	25.49	32.46	38.83	51.91	59.57	67.45	67.01	60.62	50.64	43.71	25.56
2014	26.30	22.30	24.53	39.05	44.49	57.05	71.82	66.90	60.54	54.36	42.60	35.68
2015	25.37	16.82	24.33	34.15	50.60	55.04	64.13	70.87	63.53	50.52	41.53	36.47
2016	29.07	30.78	30.21	37.18	49.13	58.29	66.30	66.42	61.65	51.59	44.31	32.06
2017	29.30	27.91	28.31	39.23	47.90	59.41	66.47	65.33	58.52	54.14	42.34	30.90
2018	26.65	24.86	30.83	36.60	45.03	52.93	69.12	69.68	58.86	47.67	38.39	30.06
2019	27.14	19.47	28.79	38.18	42.27	56.50	64.69	67.49	56.11	49.07	40.61	33.07
2020	26.73	25.84	29.80	37.21	46.46	61.71	66.92	70.31	61.07	41.63	43.72	35.40
2021	22.64	29.49	32.75	41.85	47.12	62.72	62.40	68.63	61.90	52.21	44.84	34.22
2022	28.70	26.91	30.85	38.86	48.15	58.90	67.70	69.01	60.88	54.72	43.57	36.14
2023	33.26	24.01	30.18	37.75	45.89	58.58	70.85	65.50	62.80	54.00	40.14	36.72
2024	28.23	29.91	36.59	38.61	48.36	60.25	69.72	69.46	61.73	51.19	43.60	33.72
2025	27.26	24.02	34.69	38.19	49.26	60.44	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	87.7%	M	M	M	M	M	M	M	M
2001	77.9%	74.6%	M	84.0%	80.0%	83.0%	79.2%	80.1%	81.9%	81.0%	82.7%	85.7%
2002	86.5%	85.4%	79.6%	74.5%	63.8%	50.3%	M	M	M	M	M	M
2003	M	M	M	M	M	M	M	M	M	M	M	M
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	80.0%	79.9%	79.5%	75.6%	77.6%	80.4%	78.8%	77.7%	76.0%	75.8%	77.6%	80.2%
2008	81.4%	80.2%	78.2%	75.8%	79.0%	82.5%	76.0%	81.5%	78.0%	76.8%	78.4%	79.1%
2009	80.5%	82.2%	78.6%	75.8%	74.6%	76.0%	78.5%	77.9%	78.0%	76.8%	78.2%	84.0%
2010	83.6%	88.1%	77.1%	78.3%	80.4%	78.4%	77.7%	77.3%	80.3%	78.8%	78.8%	82.0%
2011	83.5%	82.1%	78.1%	76.5%	77.5%	82.9%	79.0%	76.5%	78.0%	78.8%	74.6%	77.9%
2012	79.4%	82.0%	77.1%	74.1%	74.1%	77.2%	72.4%	76.5%	77.7%	79.4%	77.9%	81.6%
2013	82.1%	80.5%	80.0%	78.5%	76.9%	78.7%	76.7%	76.6%	80.5%	76.2%	78.1%	81.8%
2014	80.6%	78.1%	74.7%	75.9%	74.8%	76.8%	72.0%	77.6%	74.8%	77.8%	78.4%	81.5%
2015	81.8%	82.7%	77.9%	77.1%	70.3%	75.4%	77.2%	76.7%	76.6%	75.2%	78.2%	81.9%
2016	80.8%	81.9%	78.1%	80.3%	79.3%	75.2%	76.7%	76.6%	77.4%	79.1%	82.0%	82.2%
2017	80.5%	83.2%	81.0%	77.9%	77.2%	70.7%	76.4%	81.1%	86.4%	79.9%	82.1%	80.2%
2018	84.4%	82.7%	81.7%	82.9%	80.8%	76.3%	79.2%	78.8%	75.8%	80.4%	84.1%	84.1%
2019	82.5%	83.6%	77.2%	82.7%	83.7%	81.0%	80.4%	77.1%	83.2%	80.9%	80.4%	83.1%
2020	86.5%	81.3%	83.4%	74.5%	77.2%	74.9%	78.0%	73.9%	72.5%	67.9%	75.8%	80.6%
2021	79.3%	80.2%	71.8%	82.1%	76.6%	72.6%	80.1%	77.8%	79.9%	79.7%	78.3%	78.3%
2022	78.5%	76.6%	78.1%	80.6%	74.3%	79.0%	73.2%	77.5%	78.2%	75.5%	75.6%	75.6%
2023	80.6%	76.0%	80.7%	76.8%	70.4%	78.4%	82.1%	79.8%	81.8%	80.2%	75.6%	80.1%
2024	77.4%	81.0%	78.3%	75.9%	82.1%	79.0%	79.7%	77.8%	76.3%	76.4%	80.8%	74.7%
2025	77.2%	73.5%	76.5%	78.4%	73.4%	69.7%	M	M	M	M	M	M