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 (USC00032355) 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
2015	M	M	M	M	M	M	M	M	M	0.15	2.39	1.46
2016	3.40	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	0.52	1.12	1.65	4.37
2018	2.37	11.47	3.61	5.08	5.89	1.07	0.52	0.33	0.03	M	48.39	7.41
NCEI Climatology	6.09	5.98	5.46	6.63	4.75	4.17	4.07	4.17	4.02	4.65	4.72	5.85

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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
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
2015	M	M	M	M	M	M	M	M	M	80.59	67.00	64.72
2016	58.98	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	89.27	87.93	73.71	69.10	56.00
2018	49.91	61.71	66.55	70.77	88.90	92.50	92.41	92.68	85.89	95.00	65.10	54.48
NCEI Climatology	54.60	59.22	67.40	75.60	83.70	90.09	93.00	93.50	88.80	78.80	66.79	57.30

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	M	M	M	M	M	M	56.85	49.53	46.70
2016	22.70	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	70.27	63.93	49.94	42.07	35.13
2018	28.50	39.61	44.20	49.70	68.39	70.83	67.59	56.26	23.33	34.88	41.90	40.22
NCEI Climatology	34.30	37.42	44.81	52.30	61.50	69.50	71.80	70.70	64.51	53.00	42.70	36.40

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	M	M	M	M	M	M	M	M	M	68.72	58.27	55.71
2016	40.84	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	79.77	75.93	61.82	55.58	45.56
2018	39.20	50.66	55.38	60.23	78.65	81.67	80.00	74.47	54.61	64.94	53.50	47.35
NCEI Climatology	44.45	48.32	56.10	63.95	72.60	79.80	82.40	82.10	76.65	65.90	54.75	46.85

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
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