IEM :: Monthly Summaries

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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 (USC00423809) within the current 1991-2020 dataset.

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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	M
2011	M	M	M	M	M	2.25	4.56	22.41	0.06	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	0.00	M	M	M	M	M	M	M	M
NCEI Climatology	1.86	1.77	1.17	1.39	1.40	0.87	0.53	0.84	1.24	1.30	1.13	1.62

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
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	8.00
2011	28.53	29.35	36.46	41.36	49.18	67.88	74.45	76.97	69.36	56.07	38.67	31.55
2012	36.35	31.03	43.86	54.56	62.95	74.92	77.48	79.61	70.08	56.28	45.65	35.69
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	36.56	40.67	46.56	52.31	56.04	70.16	M	M	M	M	M	M
NCEI Climatology	36.52	41.46	52.70	61.40	71.20	81.60	89.51	87.50	78.60	65.51	49.60	37.00

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	-1.95
2011	-2.69	-6.20	2.78	12.90	24.22	30.03	39.08	36.02	26.82	21.66	5.73	-0.42
2012	0.66	-2.82	12.69	18.90	24.19	28.78	38.23	35.98	28.68	18.78	11.61	9.19
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	5.60	8.19	10.94	19.91	29.61	31.94	M	M	M	M	M	M
NCEI Climatology	12.51	15.92	23.80	29.90	36.21	42.11	49.61	48.50	40.10	30.70	21.79	14.10

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	3.03
2011	12.92	11.58	19.62	27.13	36.70	48.95	56.76	56.50	48.09	39.23	22.14	16.06
2012	18.30	14.16	28.36	36.73	43.57	51.85	57.85	57.80	49.38	37.53	28.63	22.44
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	21.08	24.43	28.75	36.11	42.82	51.05	M	M	M	M	M	M
NCEI Climatology	24.51	28.69	38.25	45.65	53.70	61.85	69.56	68.00	59.35	48.11	35.69	25.55

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