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 (USC00364839) 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
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	0.26	M	M	M	M	M	M	M
2017	0.08	1.63	3.34	2.49	6.13	4.01	4.89	2.83	1.55	3.46	1.88	0.56
2018	1.26	5.11	1.97	3.57	4.89	6.45	4.93	4.70	8.71	2.80	3.17	2.92
2019	1.91	3.53	1.28	2.82	5.55	2.94	5.57	2.13	1.24	3.36	0.44	2.82
2020	2.57	1.37	4.42	4.27	1.60	2.59	3.42	4.12	1.68	2.47	2.33	1.58
2021	0.84	1.86	1.96	1.76	4.76	2.27	0.55	4.57	5.07	1.54	0.25	2.59
2022	1.32	1.21	1.55	2.46	3.95	2.51	3.82	3.88	1.45	0.81	3.34	2.13
2023	M	2.17	2.46	1.91	1.42	3.08	4.36	4.01	2.56	2.19	1.61	1.35
2024	3.20	2.39	2.36	6.29	4.39	0.72	1.43	5.24	1.69	0.58	2.53	1.71
2025	0.68	2.22	0.98	3.54	7.77	3.99	2.59	1.06	0.05	M	M	M
NCEI Climatology	4.41	3.63	4.72	4.87	5.47	5.94	5.14	4.78	4.81	4.23	4.31	4.43

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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	2.5	8.2	M	M	M	M	M	M
2017	12.7	11.1	10.1	8.6	9.0	8.5	6.7	5.3	4.9	7.5	7.9	9.5
2018	10.1	9.1	9.3	9.6	7.2	6.6	6.0	6.8	5.7	8.7	9.3	8.3
2019	10.1	9.6	9.3	9.3	8.0	8.4	6.3	5.7	5.8	7.5	8.4	8.8
2020	9.2	10.0	9.2	9.8	9.2	7.2	6.1	6.4	5.7	6.7	8.8	9.8
2021	8.7	8.4	9.3	9.3	6.3	6.4	6.2	5.1	7.2	7.1	8.4	8.6
2022	9.1	10.0	9.8	8.5	7.3	7.4	6.3	5.3	6.1	6.5	8.9	8.0
2023	M	10.3	10.2	8.2	6.8	7.3	6.2	6.5	3.9	6.3	7.9	7.7
2024	9.3	7.6	9.7	8.7	5.7	6.6	5.7	5.0	5.5	5.9	8.4	9.0
2025	11.4	10.0	10.4	8.7	7.6	6.3	4.3	4.6	4.1	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
2014	M	M	M	M	M	M	M	M	M	M	35.60	37.23
2015	29.79	25.57	42.10	56.84	71.14	71.66	76.01	74.50	71.42	56.50	51.68	49.19
2016	31.07	35.66	52.21	56.12	63.01	73.52	77.58	78.74	72.14	60.63	50.30	36.18
2017	37.86	45.11	42.63	62.66	62.37	72.98	76.07	72.70	68.48	62.14	46.70	32.58
2018	31.59	44.54	36.82	50.36	72.06	71.48	76.07	75.55	70.82	57.26	40.10	38.21
2019	30.84	37.91	41.52	58.82	67.25	71.66	78.10	74.91	73.52	63.44	42.74	38.97
2020	38.62	39.94	49.25	50.60	60.57	73.94	81.12	76.65	67.88	57.78	53.00	35.83
2021	31.54	31.16	50.23	55.70	63.47	74.60	76.19	77.99	68.66	61.55	44.42	45.94
2022	30.08	38.62	48.26	53.96	66.61	73.65	77.00	75.55	67.52	56.15	48.38	33.93
2023	M	47.00	44.54	60.02	64.11	70.28	76.88	73.86	67.88	58.71	47.42	42.16
2024	33.34	43.48	49.71	58.76	68.23	76.40	82.04	76.13	69.50	62.37	48.68	37.34
2025	26.14	35.09	52.38	58.76	62.72	76.40	80.14	74.68	71.24	M	M	M
NCEI Climatology	30.90	34.02	42.69	56.10	64.50	71.20	74.50	73.80	68.00	57.70	45.70	35.20

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	M	M	M	M	26.24	27.18
2015	15.51	7.06	23.70	37.04	50.23	56.54	58.30	55.17	52.82	39.43	35.24	34.38
2016	15.39	21.45	33.10	35.18	45.94	55.58	60.80	60.97	53.36	42.45	32.30	23.17
2017	24.51	27.69	26.25	42.74	46.11	54.74	59.52	55.05	49.40	43.96	29.48	19.40
2018	15.22	27.50	22.71	32.90	53.95	56.06	58.48	60.86	57.08	43.32	28.88	25.26
2019	17.37	23.39	25.50	40.10	51.22	53.96	60.05	56.85	53.17	46.88	26.78	26.14
2020	24.63	24.92	33.74	33.68	44.25	54.20	60.68	58.30	49.22	40.83	34.58	24.74
2021	21.20	19.66	29.45	37.22	43.44	56.36	58.42	60.74	52.34	46.86	28.64	30.03
2022	13.54	21.20	29.27	36.08	47.74	41.99	60.16	58.54	51.02	35.72	32.72	21.65
2023	M	27.60	27.30	37.94	41.93	49.40	59.93	56.97	51.50	41.93	29.42	31.07
2024	23.06	25.86	32.52	40.52	50.00	55.10	60.14	56.91	52.10	39.84	33.68	25.44
2025	13.01	20.36	30.43	39.56	46.81	58.52	62.37	54.30	46.04	M	M	M
NCEI Climatology	14.41	15.78	22.70	34.11	44.90	53.40	58.20	56.81	50.69	39.20	29.20	20.09

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	M	M	M	M	M	M	M	M	M	M	30.92	32.20
2015	22.65	16.31	32.90	46.94	60.68	64.10	67.16	64.84	62.12	47.97	43.46	41.78
2016	23.23	28.56	42.65	45.65	54.47	64.55	69.19	69.86	62.75	51.54	41.30	29.68
2017	31.19	36.40	34.44	52.70	54.24	63.86	67.80	63.88	58.94	53.05	38.09	25.99
2018	23.41	36.02	29.76	41.63	63.01	63.77	67.27	68.20	63.95	50.29	34.49	31.74
2019	24.10	30.65	33.51	49.46	59.23	62.81	69.07	65.88	63.34	55.16	34.76	32.55
2020	31.62	32.43	41.49	42.14	52.41	64.07	70.90	67.48	58.55	49.30	43.79	30.29
2021	26.37	25.41	39.84	46.46	53.45	65.48	67.30	69.36	60.50	54.21	36.53	37.98
2022	21.81	29.91	38.76	45.02	57.17	57.82	68.58	67.04	59.27	45.94	40.55	27.79
2023	M	37.30	35.92	48.98	53.02	59.84	68.41	65.42	59.69	50.32	38.42	36.62
2024	28.20	34.67	41.12	49.64	59.12	65.75	71.09	66.52	60.80	51.10	41.18	31.39
2025	19.57	27.73	41.41	49.16	54.76	67.46	71.25	64.49	58.64	M	M	M
NCEI Climatology	22.65	24.90	32.70	45.10	54.70	62.30	66.35	65.30	59.35	48.45	37.45	27.65

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
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	96.3%	76.5%	M	M	M	M	M	M
2017	80.8%	69.9%	71.8%	67.8%	74.6%	74.2%	82.3%	80.0%	81.0%	77.0%	73.6%	75.7%
2018	75.0%	79.3%	73.5%	68.0%	76.4%	82.8%	79.7%	86.3%	89.9%	83.9%	81.4%	83.3%
2019	79.9%	76.4%	65.2%	68.5%	78.3%	76.2%	81.2%	80.2%	76.9%	73.5%	71.3%	80.5%
2020	79.3%	73.7%	73.1%	70.5%	70.8%	72.0%	74.5%	78.2%	78.2%	78.1%	68.6%	79.3%
2021	80.5%	79.0%	58.4%	66.6%	69.0%	74.2%	78.3%	80.0%	79.7%	84.2%	70.6%	71.6%
2022	73.8%	70.0%	68.3%	67.7%	72.5%	68.6%	77.1%	80.1%	81.9%	73.2%	70.8%	77.6%
2023	M	66.0%	69.0%	61.8%	65.4%	72.6%	80.6%	80.6%	82.8%	77.9%	70.0%	76.9%
2024	80.0%	70.4%	68.7%	70.8%	77.7%	70.5%	67.8%	76.3%	78.1%	69.1%	78.3%	79.4%
2025	74.5%	73.8%	62.3%	68.5%	77.6%	77.3%	80.1%	73.4%	66.6%	M	M	M