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 (USC00354098) 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	0.00	M	34.55	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	0.00	0.00	0.02	0.05
2006	0.00	0.02	0.00	0.01	0.01	0.03	0.00	0.01	0.00	0.00	0.01	0.01
2007	0.00	0.01	0.00	0.00	0.01	0.00	0.00	0.00	0.01	0.00	0.00	0.00
2008	0.10	0.00	0.00	0.00	0.01	0.03	0.00	0.00	0.00	0.00	0.01	0.01
2009	0.00	0.00	0.01	0.00	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	M	M	M	M	M
2012	M	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	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	M	M	M	M	M	M	0.00
2017	M	M	M	M	M	M	M	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	1.62	1.35	1.09	0.94	1.45	0.99	0.41	0.25	0.26	0.85	1.43	2.63

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	M	M	M	M	M
2004	6.2	6.5	7.2	9.2	7.8	8.9	8.8	7.3	8.1	6.9	6.9	6.2
2005	6.7	4.9	7.1	8.9	7.5	8.3	8.7	8.6	8.3	5.6	6.3	5.8
2006	M	M	8.8	8.6	8.3	8.9	9.7	8.6	7.3	7.8	7.4	6.3
2007	7.9	5.9	7.1	8.5	9.2	9.3	10.0	8.8	9.2	7.0	6.6	7.7
2008	7.4	6.5	6.7	8.0	9.3	9.1	9.7	9.1	7.2	6.9	5.6	6.6
2009	7.2	5.7	7.8	3.3	0.1	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2010	0.0	0.0	0.1	0.2	0.2	0.0	0.0	0.1	0.1	0.0	0.1	0.0
2011	0.0	0.0	0.0	0.1	0.1	0.0	0.0	0.0	0.0	0.0	0.1	0.1
2012	0.0	0.1	0.1	0.0	0.1	0.1	0.0	0.0	0.0	0.1	0.0	0.0
2013	0.1	0.1	0.0	0.2	0.0	0.0	0.0	0.1	0.0	0.2	0.1	0.1
2014	0.0	0.0	0.1	0.0	0.1	0.0	0.0	0.0	0.0	0.0	0.0	0.1
2015	0.0	0.0	0.1	0.6	0.6	0.3	0.1	M	0.1	0.3	0.4	0.5
2016	0.0	0.0	0.4	0.5	0.4	3.1	9.4	8.6	7.9	5.5	5.3	6.7
2017	7.0	7.0	6.9	7.3	8.1	8.3	9.5	8.2	7.4	6.9	5.7	6.7
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	3.3	6.7	8.3	8.9	8.9	8.7	7.2	6.1	6.3	6.7	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	41.72	45.26	55.20	58.39	69.66	86.06	97.46	93.58	79.72	68.72	43.44	40.61
2004	30.78	39.16	58.48	65.54	69.09	82.16	93.12	89.50	76.07	63.80	44.57	39.38
2005	35.53	44.53	55.22	59.53	69.36	76.13	92.17	91.42	77.46	62.19	42.86	32.70
2006	36.20	31.25	41.98	61.17	73.70	83.21	97.22	89.32	79.50	62.85	47.83	37.36
2007	36.67	45.62	56.99	62.27	75.35	84.01	98.83	90.39	76.49	59.71	48.15	36.47
2008	32.01	40.05	48.08	56.18	71.35	79.77	92.23	89.85	79.65	62.81	49.44	35.68
2009	34.76	41.66	48.60	62.29	73.51	76.99	93.10	87.18	84.21	54.74	43.94	30.09
2010	38.14	43.27	53.45	58.39	62.86	75.65	90.34	87.28	79.56	64.89	45.25	35.94
2011	34.25	40.81	48.89	54.29	64.79	74.32	89.76	93.69	85.99	62.50	44.58	39.14
2012	40.45	44.14	53.74	63.70	70.32	79.36	95.50	94.96	83.13	61.88	49.02	38.81
2013	26.22	42.80	54.55	62.32	74.46	82.34	97.47	93.56	75.43	61.60	47.42	31.07
2014	37.03	43.54	54.76	62.21	74.43	80.13	90.50	90.35	81.22	67.61	42.64	40.83
2015	37.77	52.24	60.01	63.73	74.20	90.71	91.78	83.84	77.97	70.55	43.63	36.98
2016	37.24	46.96	54.66	68.52	72.93	86.55	89.68	91.28	76.94	61.57	51.99	28.73
2017	26.01	40.31	54.20	57.75	71.94	82.15	97.19	92.02	78.63	60.24	47.27	34.98
2018	42.73	42.41	52.85	62.07	76.09	79.92	95.69	90.44	79.69	62.16	47.09	37.06
2019	39.10	37.88	51.89	61.17	71.78	80.13	90.63	91.79	75.91	55.45	48.27	39.33
2020	40.08	43.84	54.84	63.96	71.39	77.94	91.42	86.10	82.86	66.18	46.14	38.20
2021	40.21	40.11	54.09	65.55	71.54	90.35	99.17	87.29	75.23	62.78	49.09	38.12
2022	34.88	39.90	55.56	55.12	65.56	79.26	97.10	97.06	84.59	68.98	40.35	32.03
2023	34.34	M	M	M	M	67.64	M	90.78	M	M	M	M
2024	M	M	M	M	M	M	-32.51	M	M	M	44.22	38.11
2025	38.63	38.63	54.88	64.87	75.22	85.38	93.62	90.77	84.29	62.68	57.02	M
NCEI Climatology	36.90	44.39	55.00	63.10	73.50	81.90	94.01	92.80	82.10	65.99	48.39	37.40

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	33.13	29.03	36.98	38.87	47.52	57.26	67.39	64.66	52.40	44.69	28.49	30.16
2004	22.07	28.55	36.75	41.67	47.34	55.89	63.79	62.56	50.77	43.33	33.03	29.22
2005	25.55	26.58	34.45	42.52	48.25	51.19	62.01	62.48	50.21	41.33	28.64	20.54
2006	35.68	30.25	38.50	42.01	48.19	56.93	66.63	59.12	50.82	38.79	32.78	23.97
2007	21.53	29.49	35.35	39.47	48.02	55.85	68.96	60.42	51.35	39.38	29.94	26.91
2008	19.06	26.88	30.81	33.98	47.97	53.14	62.90	60.82	50.21	39.93	34.06	21.59
2009	24.11	27.03	31.45	37.79	46.90	57.73	66.53	62.40	54.37	40.16	32.43	20.33
2010	31.35	32.09	32.73	37.41	42.75	53.41	59.17	59.25	52.48	45.40	31.38	26.19
2011	23.64	26.52	33.95	35.35	44.38	51.69	59.65	62.78	53.33	41.73	28.28	22.42
2012	25.63	27.92	35.51	40.72	45.37	52.73	65.56	62.88	52.86	38.89	34.26	26.61
2013	14.85	29.41	33.05	40.74	47.85	56.24	66.70	65.14	53.64	37.40	29.42	16.13
2014	24.89	29.51	35.07	38.70	48.26	54.75	65.97	62.10	54.13	43.97	27.96	32.18
2015	27.67	35.25	36.20	38.77	50.66	62.77	64.66	83.84	50.29	46.84	30.73	26.69
2016	27.11	30.72	36.38	44.19	49.26	57.85	61.68	61.53	50.86	43.93	34.91	15.06
2017	14.78	29.66	38.37	39.28	46.28	54.72	67.53	63.91	53.41	37.52	33.44	24.33
2018	29.57	26.64	33.63	40.36	52.86	54.70	65.31	63.20	52.13	41.30	29.27	27.89
2019	26.31	27.91	31.83	42.69	48.75	54.19	62.58	62.71	52.26	32.62	28.32	29.72
2020	28.44	27.23	31.29	31.70	34.42	38.69	34.83	35.15	33.99	31.92	28.01	26.73
2021	29.36	26.52	30.31	32.02	33.48	34.80	35.76	35.09	33.73	33.05	30.71	28.51
2022	24.40	23.49	31.00	31.37	42.91	53.45	66.52	66.73	55.45	42.66	24.12	25.00
2023	28.76	M	M	M	M	53.78	M	65.15	M	M	M	M
2024	M	M	M	M	M	M	-34.93	M	M	M	32.54	29.20
2025	24.78	25.71	35.81	40.26	48.88	56.67	64.93	63.21	56.17	40.70	39.09	M
NCEI Climatology	21.00	25.11	32.20	38.40	48.01	55.49	64.71	62.30	50.90	37.20	27.40	21.10

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	37.43	37.15	46.09	48.63	58.59	71.66	82.42	79.12	66.06	56.70	35.97	35.39
2004	26.43	33.86	47.61	53.60	58.21	69.02	78.45	76.03	63.42	53.57	38.80	34.30
2005	30.54	35.55	44.84	51.03	58.81	63.66	77.09	76.95	63.83	51.76	35.75	26.62
2006	35.94	30.75	40.24	51.59	60.95	70.07	81.93	74.22	65.16	50.82	40.30	30.66
2007	29.10	37.56	46.17	50.87	61.69	69.93	83.90	75.40	63.92	49.55	39.05	31.69
2008	25.53	33.46	39.45	45.08	59.66	66.45	77.56	75.33	64.93	51.37	41.75	28.64
2009	29.43	34.34	40.02	50.04	60.21	67.36	79.81	74.79	69.29	47.45	38.18	25.21
2010	34.74	37.68	43.09	47.90	52.80	64.53	74.75	73.26	66.02	55.14	38.31	31.06
2011	28.95	33.67	41.42	44.82	54.59	63.01	74.70	78.23	69.66	52.12	36.43	30.78
2012	33.04	36.03	44.62	52.21	57.85	66.05	80.53	78.92	67.99	50.38	41.64	32.71
2013	20.53	36.10	43.80	51.53	61.16	69.29	82.09	79.35	64.53	49.50	38.42	23.60
2014	30.96	36.52	44.92	50.45	61.35	67.44	78.24	76.22	67.67	55.79	35.30	36.50
2015	32.72	43.75	48.10	51.25	62.43	76.74	78.22	83.84	64.13	58.69	37.18	31.83
2016	32.17	38.84	45.52	56.35	61.09	72.20	75.68	76.41	63.90	52.75	43.45	21.89
2017	20.40	34.98	46.28	48.52	59.11	68.43	82.36	77.96	66.02	48.88	40.35	29.66
2018	36.15	34.52	43.24	51.21	64.48	67.31	80.50	76.82	65.91	51.73	38.18	32.48
2019	32.71	32.89	41.86	51.93	60.27	67.16	76.61	77.25	64.08	44.03	38.29	34.53
2020	34.26	35.53	43.06	47.83	52.91	58.32	63.13	60.63	58.42	49.05	37.07	32.47
2021	34.78	33.32	42.20	48.78	52.51	62.57	67.47	61.19	54.48	47.92	39.90	33.32
2022	29.64	31.69	43.28	43.24	54.24	66.36	81.81	81.89	70.02	55.82	32.23	28.51
2023	31.55	M	M	M	M	60.71	M	77.97	M	M	M	M
2024	M	M	M	M	M	M	-33.72	M	M	M	38.38	33.66
2025	31.71	32.17	45.35	52.56	62.05	71.03	79.28	76.99	70.23	51.69	48.06	M
NCEI Climatology	28.95	34.75	43.60	50.75	60.76	68.70	79.36	77.55	66.50	51.60	37.90	29.25

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	M	M	M	M	M
2004	86.0%	78.5%	59.8%	56.9%	60.4%	48.1%	42.0%	49.2%	53.1%	65.7%	74.2%	81.7%
2005	83.3%	72.1%	65.0%	61.6%	62.5%	55.3%	39.3%	37.0%	47.8%	66.0%	79.8%	86.1%
2006	M	M	61.8%	59.9%	52.1%	50.9%	39.3%	42.9%	48.9%	57.6%	70.0%	78.2%
2007	67.0%	75.1%	61.4%	57.8%	49.2%	43.2%	36.7%	39.8%	48.0%	61.2%	72.2%	77.5%
2008	78.4%	77.2%	63.4%	55.6%	57.5%	47.4%	38.7%	45.1%	47.6%	55.8%	77.1%	77.4%
2009	78.5%	72.7%	64.7%	52.9%	53.2%	53.3%	37.3%	45.2%	43.7%	63.5%	66.0%	75.2%
2010	80.7%	76.4%	60.7%	58.6%	60.3%	57.0%	42.7%	45.6%	50.8%	56.0%	73.8%	85.9%
2011	79.3%	63.8%	72.5%	59.1%	58.4%	55.4%	44.9%	39.7%	46.4%	65.8%	69.0%	71.3%
2012	71.0%	67.5%	60.9%	57.5%	50.7%	49.0%	39.8%	33.9%	38.9%	58.7%	71.5%	77.4%
2013	79.5%	71.1%	59.0%	51.8%	50.0%	47.5%	31.5%	36.4%	56.3%	61.4%	69.9%	78.8%
2014	81.2%	73.9%	62.9%	54.7%	48.4%	45.2%	31.9%	45.9%	45.7%	56.8%	72.2%	79.8%
2015	80.6%	65.4%	58.1%	50.2%	53.2%	38.2%	43.6%	M	46.9%	56.8%	67.6%	79.6%
2016	80.3%	71.6%	63.0%	54.0%	51.4%	41.1%	40.4%	37.7%	50.2%	67.5%	73.8%	83.3%
2017	86.3%	78.6%	69.2%	63.2%	56.6%	50.3%	33.7%	39.7%	50.9%	64.8%	75.6%	78.6%
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	68.1%	59.3%	43.5%	39.7%	30.1%	30.3%	36.5%	39.1%	54.3%	60.6%	M