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 (USC00355711) 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
2010	M	M	M	M	M	M	M	M	M	M	M	1.36
2011	0.68	0.59	1.05	0.68	0.70	1.28	0.12	0.02	0.05	0.66	0.23	0.52
2012	0.75	0.22	0.43	1.72	0.57	1.10	0.53	0.00	0.00	0.76	0.05	0.21
2013	0.40	0.05	0.62	0.29	0.93	1.05	0.00	0.13	1.22	0.78	0.10	0.02
2014	0.99	0.46	1.20	1.74	1.55	0.73	0.53	0.31	0.56	0.59	0.73	0.72
2015	0.58	0.15	2.35	0.50	1.66	0.20	0.49	0.00	0.30	0.13	1.94	2.68
2016	0.80	0.69	1.28	0.02	0.00	0.00	0.61	0.11	0.00	0.99	0.00	0.00
2017	0.00	0.00	0.69	0.83	0.37	0.78	0.00	0.10	0.36	0.23	1.25	0.00
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	0.00	M	M	M	M	M
NCEI Climatology	1.31	1.25	1.56	1.51	2.10	1.48	0.48	0.58	0.58	1.27	1.47	1.58

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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	M
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
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
2010	M	M	M	M	M	M	M	M	M	M	M	46.64
2011	47.20	48.44	56.71	60.64	71.57	81.67	93.56	99.12	94.75	74.35	57.60	47.21
2012	52.33	54.00	60.47	72.00	79.24	79.50	99.53	101.00	91.78	74.88	62.30	47.14
2013	42.27	51.82	62.35	67.33	75.57	82.95	102.15	96.77	86.35	68.12	53.30	41.74
2014	49.23	48.71	63.38	69.90	81.53	86.72	102.44	97.25	93.00	77.82	47.92	51.22
2015	51.17	59.31	73.22	70.62	78.28	94.18	97.00	100.11	90.69	84.92	53.67	50.44
2016	51.62	59.11	61.70	81.33	78.00	83.57	89.61	92.00	78.30	64.68	58.43	34.77
2017	37.61	49.07	57.16	61.27	74.97	81.77	96.68	95.87	82.90	63.73	54.33	36.00
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	91.90	M	M	M	M	M
NCEI Climatology	44.00	50.43	58.39	65.40	74.21	81.40	93.40	93.60	83.70	67.41	52.60	43.01

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	24.00
2011	21.05	23.88	29.35	31.55	37.14	44.72	47.00	46.56	42.26	33.82	24.00	14.68
2012	23.89	22.74	28.60	34.47	37.12	43.56	50.68	46.52	37.39	28.94	27.90	22.21
2013	14.14	22.88	28.90	29.52	38.52	46.15	50.50	50.68	43.55	28.88	21.00	9.00
2014	20.91	22.12	28.57	34.15	39.35	44.94	54.19	51.25	41.21	39.88	31.50	31.44
2015	27.39	34.92	31.33	31.95	42.17	50.82	52.36	48.50	40.38	37.33	30.83	28.39
2016	26.12	26.72	31.65	31.67	40.25	48.37	51.84	49.23	43.40	41.61	35.80	15.84
2017	20.94	30.25	35.29	37.03	42.81	46.84	53.29	52.19	45.30	34.15	30.53	26.00
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	49.43	M	M	M	M	M
NCEI Climatology	23.10	24.76	29.79	34.49	41.30	47.09	51.21	50.00	41.70	33.81	27.61	23.40

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	M	M	M	M	M	M	M	M	M	M	M	35.32
2011	34.12	36.16	43.03	46.09	54.36	63.19	70.28	72.84	68.26	54.09	40.80	30.95
2012	38.11	38.37	44.53	53.24	58.18	61.53	75.11	73.76	64.58	51.91	45.10	34.68
2013	28.20	37.35	45.62	48.43	57.05	64.55	76.33	73.73	64.95	48.50	37.15	25.37
2014	35.07	35.41	45.98	52.02	60.44	65.83	78.31	74.25	67.11	58.85	39.71	41.33
2015	39.28	47.12	52.28	51.29	60.22	72.50	74.68	74.31	65.53	61.12	42.25	39.42
2016	38.88	42.92	46.67	56.50	59.12	65.97	70.73	70.61	60.85	53.15	47.12	25.31
2017	29.28	39.66	46.23	49.15	58.89	63.78	74.98	74.03	64.10	48.94	42.43	31.00
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	70.74	M	M	M	M	M
NCEI Climatology	33.55	37.60	44.09	49.95	57.75	64.24	72.30	71.80	62.70	50.61	40.11	33.20

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
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	M
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