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 (USC00108137) 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
2003	M	M	M	M	M	M	M	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	M	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	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
NCEI Climatology	4.33	3.01	3.58	2.37	2.72	2.44	1.17	0.80	1.41	2.95	4.72	4.61

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	M	3.8	4.1	4.6	5.9	4.0
2004	4.4	3.4	4.8	4.1	5.2	5.1	4.3	3.4	2.6	3.3	3.2	4.6
2005	5.1	3.0	5.0	5.6	5.1	4.7	4.0	3.1	M	3.8	4.9	4.3
2006	4.9	6.0	4.6	5.4	4.6	4.7	4.3	3.7	3.6	3.8	5.9	4.0
2007	4.7	5.5	4.4	5.0	4.3	5.1	3.7	4.1	4.2	3.7	4.6	5.0
2008	4.8	4.2	3.5	4.5	5.3	4.0	4.1	3.6	3.5	3.7	4.4	7.4
2009	5.6	3.6	4.2	5.5	4.8	5.3	4.2	4.1	3.9	6.1	3.8	5.4
2010	4.8	2.4	3.2	7.1	5.6	4.0	3.7	4.5	4.1	2.8	6.5	7.5
2011	6.5	7.6	6.1	6.2	7.3	5.5	4.0	3.1	3.3	3.0	4.0	3.1
2012	4.5	4.9	4.8	4.9	5.0	4.9	3.6	3.5	3.0	4.1	4.2	4.0
2013	4.2	3.6	4.2	5.6	3.9	3.7	3.9	3.7	4.3	4.1	3.8	5.4
2014	3.8	8.6	4.2	4.3	3.9	3.4	3.5	3.9	4.1	3.5	5.7	4.6
2015	2.5	3.4	3.5	4.6	6.5	3.9	4.6	3.7	3.6	3.8	4.9	3.3
2016	4.2	3.5	4.3	4.2	6.2	3.9	5.5	4.3	4.6	4.0	3.1	6.3
2017	5.5	4.5	4.6	4.3	3.9	4.2	3.4	3.5	3.9	4.1	5.0	4.2
2018	4.7	6.9	4.2	5.0	4.3	5.1	4.1	3.8	4.6	3.9	2.6	4.3
2019	5.1	9.6	5.2	4.3	7.0	4.2	3.9	3.2	6.1	3.7	5.5	2.4
2020	3.6	3.2	6.4	4.9	5.7	4.6	3.5	3.3	3.1	4.4	4.3	3.5
2021	3.9	6.5	3.5	5.7	5.8	4.4	3.7	4.5	2.8	4.0	4.3	4.6
2022	2.9	4.3	3.4	6.0	4.1	5.0	3.2	3.8	3.7	2.8	5.8	4.6
2023	4.0	5.3	5.7	3.9	4.7	3.6	4.2	4.1	3.7	3.7	3.7	3.3
2024	4.8	4.9	3.5	5.2	4.6	4.0	3.3	4.9	3.3	2.7	2.7	1.9
2025	2.1	4.4	3.4	4.1	6.1	3.6	4.9	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
2003	M	M	M	M	M	M	92.30	82.66	72.07	59.21	37.67	33.84
2004	31.61	39.28	50.74	59.87	63.61	71.95	82.03	79.23	65.03	55.05	43.06	37.84
2005	31.62	43.32	49.77	57.81	65.61	67.27	79.63	75.62	M	51.73	39.07	30.92
2006	39.03	37.53	44.43	56.27	65.87	73.28	85.13	81.01	72.14	55.46	40.88	34.03
2007	31.94	40.27	48.49	55.46	65.85	70.22	87.73	80.37	70.16	54.35	41.60	32.87
2008	30.66	38.89	41.52	49.22	65.56	68.84	80.83	77.75	69.14	55.34	43.40	27.47
2009	32.58	35.54	39.03	54.02	64.81	72.38	83.39	80.02	75.32	52.44	61.10	31.71
2010	38.04	42.41	49.71	53.78	60.57	67.28	78.68	78.05	65.96	55.17	37.94	33.22
2011	33.92	33.80	43.38	47.96	61.73	66.44	76.83	82.28	75.74	53.95	39.08	34.96
2012	35.60	37.21	43.55	56.24	62.72	66.08	81.41	81.88	74.90	55.57	42.32	35.02
2013	32.81	38.43	46.98	52.94	67.01	71.12	84.88	81.82	69.62	53.08	39.32	31.13
2014	35.37	32.19	44.08	54.92	63.66	67.61	83.91	80.25	71.06	59.46	39.92	34.85
2015	34.16	43.57	52.67	57.62	70.55	81.26	84.20	82.98	68.72	61.85	40.40	34.90
2016	33.97	43.48	48.03	63.56	66.95	71.96	78.18	81.35	68.24	51.86	46.40	29.04
2017	28.75	35.54	44.89	51.56	66.72	73.04	86.52	85.48	71.06	54.06	39.32	30.84
2018	35.25	34.89	44.43	52.23	71.95	70.76	84.20	80.95	67.70	55.57	41.24	35.25
2019	34.90	28.21	44.66	54.26	68.17	72.44	78.86	81.70	64.49	49.77	41.54	35.37
2020	35.48	39.51	44.95	55.82	63.65	69.62	79.50	81.47	72.80	54.70	41.36	35.60
2021	35.77	33.61	49.01	58.70	66.03	80.18	89.72	79.09	69.38	54.88	43.04	31.94
2022	32.58	35.92	46.75	49.22	58.94	70.64	85.19	86.29	73.76	59.68	34.16	28.34
2023	34.15	35.79	42.92	54.32	73.23	77.24	85.13	83.21	69.86	57.90	40.34	36.24
2024	28.92	38.58	47.39	55.76	63.47	71.54	87.16	80.72	75.38	58.19	40.04	35.83
2025	33.57	34.64	48.32	56.53	60.08	77.00	82.33	M	M	M	M	M
NCEI Climatology	33.60	38.51	46.41	55.61	65.79	71.80	81.81	81.90	71.70	56.30	41.81	33.50

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	53.34	52.69	44.93	37.86	24.65	22.74
2004	22.87	26.71	31.15	36.10	43.06	50.16	53.37	54.39	45.00	38.10	30.71	29.81
2005	21.94	21.67	29.19	36.50	44.92	48.21	50.92	50.23	M	38.06	30.51	18.72
2006	32.70	23.58	30.08	36.78	41.47	51.14	54.47	48.72	43.52	35.54	31.16	23.00
2007	20.10	29.43	33.10	35.48	41.41	50.97	56.58	48.26	41.18	35.14	26.90	23.58
2008	17.95	24.61	27.41	29.78	42.16	44.00	49.25	47.10	39.02	32.75	31.76	17.66
2009	20.45	24.29	25.44	32.60	39.08	44.78	49.83	49.94	41.72	32.00	33.26	18.76
2010	29.04	29.62	29.56	35.30	37.81	46.10	48.26	48.43	42.80	36.18	26.96	23.93
2011	23.18	20.69	30.90	32.72	40.07	45.80	46.75	47.78	41.42	35.37	25.82	23.29
2012	23.64	26.29	30.61	35.96	38.45	46.16	52.21	46.98	39.92	35.31	32.60	29.04
2013	22.30	28.79	29.79	33.98	40.25	46.28	49.75	52.21	47.42	32.46	28.22	21.61
2014	26.66	20.04	28.34	32.72	40.44	45.05	52.16	51.39	42.26	38.21	27.26	26.43
2015	25.22	29.56	31.71	32.24	43.73	49.10	52.38	48.90	39.74	38.85	27.44	27.24
2016	28.57	29.83	31.77	37.34	43.21	47.06	58.75	48.26	41.96	38.15	34.30	18.65
2017	15.63	22.36	31.36	34.58	40.77	46.88	49.07	49.48	43.52	33.05	30.14	20.91
2018	29.10	20.94	29.21	33.43	44.83	46.22	48.49	48.84	41.12	33.10	29.12	26.37
2019	26.60	16.25	23.35	35.42	43.44	45.80	48.37	49.59	42.98	28.98	26.54	27.24
2020	28.46	25.05	27.82	32.96	42.63	46.94	48.49	48.43	43.04	34.73	30.68	25.50
2021	28.05	22.36	28.57	32.72	38.85	50.18	53.02	50.81	42.08	34.73	32.84	22.25
2022	23.17	21.20	30.84	30.80	39.49	48.80	52.03	52.73	45.02	37.65	22.52	19.57
2023	27.01	22.68	26.19	33.20	47.56	49.46	51.39	51.97	45.50	35.77	28.16	29.21
2024	21.55	30.32	29.39	35.18	39.26	43.46	52.21	51.10	45.86	34.03	31.94	29.74
2025	23.12	21.52	31.59	37.00	49.91	46.53	51.88	M	M	M	M	M
NCEI Climatology	22.90	23.74	28.60	34.50	41.80	47.50	51.60	49.79	42.40	34.11	28.91	22.80

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	72.82	67.68	58.50	48.54	31.16	28.29
2004	27.24	32.99	40.94	47.98	53.34	61.05	67.70	66.81	55.01	46.58	36.89	33.82
2005	26.78	32.50	39.48	47.16	55.26	57.74	65.27	62.92	M	44.89	34.79	24.82
2006	35.86	30.55	37.25	46.52	53.67	62.21	69.80	64.86	57.83	45.50	36.02	28.52
2007	26.02	34.83	40.80	45.47	53.63	60.59	72.15	64.31	55.67	44.75	34.25	28.23
2008	24.31	31.75	34.47	39.50	53.86	56.42	65.04	62.43	54.08	44.05	37.58	22.56
2009	26.51	29.91	32.23	43.31	51.95	58.58	66.61	64.98	58.52	42.22	47.18	25.24
2010	33.54	36.02	39.64	44.54	49.19	56.69	63.47	63.24	54.38	45.67	32.45	28.57
2011	28.55	27.24	37.14	40.34	50.90	56.12	61.79	65.03	58.58	44.66	32.45	29.13
2012	29.62	31.75	37.08	46.10	50.58	56.12	66.81	64.43	57.41	45.44	37.46	32.03
2013	27.56	33.61	38.39	43.46	53.63	58.70	67.32	67.01	58.52	42.77	33.77	26.37
2014	31.01	26.12	36.21	43.82	52.05	56.33	68.04	65.82	56.66	48.84	33.59	30.64
2015	29.69	36.56	42.19	44.93	57.14	65.18	68.29	65.94	54.23	50.35	33.92	31.07
2016	31.27	36.66	39.90	50.45	55.08	59.51	68.47	64.81	55.10	45.01	40.35	23.84
2017	22.19	28.95	38.13	43.07	53.75	59.96	67.80	67.48	57.29	43.55	34.73	25.87
2018	32.17	27.92	36.82	42.83	58.39	58.49	66.35	64.89	54.41	44.34	35.18	30.81
2019	30.75	22.23	34.00	44.84	55.81	59.12	63.62	65.65	53.74	39.37	34.04	31.30
2020	31.97	32.28	36.38	44.39	53.14	58.28	63.99	64.95	57.92	44.72	36.02	30.55
2021	31.91	27.98	38.79	45.71	52.44	65.18	71.37	64.95	55.73	44.80	37.94	27.09
2022	27.88	28.56	38.79	40.01	49.22	59.72	68.61	69.51	59.39	48.67	28.34	23.96
2023	30.58	29.24	34.55	43.76	60.39	63.35	68.26	67.59	57.68	46.84	34.25	32.73
2024	25.24	34.45	38.39	45.47	51.36	57.50	69.68	65.91	60.62	46.11	35.99	32.78
2025	28.34	28.08	39.95	46.77	54.99	61.76	67.10	M	M	M	M	M
NCEI Climatology	28.25	31.13	37.50	45.06	53.80	59.65	66.70	65.85	57.05	45.20	35.36	28.15

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
2003	M	M	M	M	M	M	M	41.6%	43.8%	50.8%	59.7%	67.7%
2004	65.5%	60.5%	54.1%	52.4%	50.7%	50.5%	45.6%	56.0%	65.5%	67.5%	71.1%	71.4%
2005	68.4%	58.5%	57.4%	50.0%	53.3%	59.3%	51.8%	52.0%	M	79.4%	76.6%	78.0%
2006	79.1%	61.3%	68.1%	62.3%	56.7%	60.7%	47.9%	46.7%	53.2%	61.4%	68.5%	70.8%
2007	68.2%	66.9%	61.8%	52.9%	50.8%	49.7%	41.6%	42.9%	60.4%	76.6%	75.8%	83.6%
2008	81.4%	81.8%	77.3%	70.3%	62.1%	63.5%	51.4%	58.5%	66.4%	69.7%	82.1%	79.2%
2009	79.9%	83.3%	78.2%	65.0%	59.8%	55.8%	53.4%	58.2%	59.4%	74.2%	87.9%	81.0%
2010	91.7%	91.0%	78.6%	70.0%	66.7%	71.1%	62.6%	67.1%	84.1%	90.2%	92.5%	92.9%
2011	90.6%	84.1%	87.8%	80.5%	69.8%	73.8%	65.8%	57.0%	62.3%	84.1%	86.8%	88.3%
2012	85.5%	88.6%	85.4%	75.0%	65.8%	78.5%	68.4%	61.7%	66.4%	79.0%	91.6%	94.5%
2013	91.1%	91.2%	82.1%	72.9%	69.3%	72.6%	55.9%	65.8%	79.0%	83.4%	91.3%	86.5%
2014	91.4%	73.4%	83.0%	72.8%	70.7%	73.7%	63.5%	66.6%	70.2%	82.8%	81.9%	90.9%
2015	94.4%	85.2%	78.1%	67.4%	55.4%	55.3%	48.9%	49.0%	66.1%	73.9%	84.5%	94.4%
2016	94.6%	87.4%	82.9%	68.4%	65.2%	66.1%	51.5%	55.7%	68.8%	88.1%	92.6%	83.4%
2017	81.6%	86.3%	84.9%	79.0%	66.7%	63.7%	49.6%	49.2%	62.2%	74.6%	90.2%	88.1%
2018	91.8%	76.4%	81.8%	76.1%	64.5%	62.9%	50.2%	51.8%	61.8%	76.0%	90.3%	86.5%
2019	89.1%	75.0%	71.7%	71.7%	54.8%	62.6%	59.2%	58.3%	69.1%	73.2%	76.2%	93.1%
2020	91.8%	81.7%	70.6%	63.9%	68.0%	70.4%	60.1%	52.1%	66.4%	74.3%	86.3%	90.5%
2021	88.2%	74.0%	73.0%	57.6%	57.3%	55.0%	42.5%	58.1%	69.2%	78.3%	84.7%	84.1%
2022	90.3%	77.6%	75.3%	65.8%	70.6%	64.3%	56.3%	52.1%	62.6%	76.8%	79.5%	87.9%
2023	87.4%	80.5%	71.6%	69.2%	63.8%	58.2%	45.4%	54.1%	66.5%	74.0%	87.0%	93.3%
2024	86.4%	83.2%	80.2%	65.0%	64.2%	59.3%	53.0%	55.5%	59.6%	74.2%	92.4%	93.1%
2025	86.2%	80.3%	81.5%	63.6%	37.6%	53.5%	54.1%	M	M	M	M	M