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 (USC00400284) 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
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	0.00	0.00	M	M	M	M	M
2017	M	M	M	M	M	M	0.00	M	M	M	M	M
2018	M	M	M	3.25	5.71	5.74	7.81	4.44	7.22	2.95	7.40	8.09
2019	5.21	9.91	4.88	3.22	3.71	1.37	2.01	2.74	0.07	5.70	5.99	4.28
2020	5.75	8.59	7.22	6.33	3.32	2.53	4.08	4.87	6.21	6.29	0.66	3.62
2021	2.31	3.87	7.99	0.71	3.42	4.38	6.76	10.42	2.43	3.45	0.64	4.09
2022	4.25	6.47	3.36	1.93	2.24	4.95	3.89	4.05	2.08	0.96	4.25	5.02
2023	4.31	2.76	4.66	3.34	3.28	4.75	5.93	4.18	0.40	0.29	2.16	6.62
2024	6.26	3.73	2.88	2.63	7.46	1.40	5.88	0.96	5.38	0.10	0.22	M
NCEI Climatology	5.56	5.26	5.51	5.50	4.59	5.03	5.52	4.03	5.20	3.58	4.88	5.91

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2013	M	M	M	M	M	M	M	M	M	2.3	2.9	2.5
2014	3.7	3.6	3.6	4.2	2.5	1.9	2.1	1.5	1.6	2.7	3.9	2.1
2015	3.0	3.6	4.0	2.3	M	M	1.9	1.6	0.9	1.8	2.4	2.3
2016	3.0	4.1	4.3	3.5	2.7	2.3	2.5	2.2	2.0	2.4	2.3	3.1
2017	3.7	3.3	4.3	3.5	2.7	2.2	1.6	1.6	2.1	2.4	2.0	2.8
2018	3.3	3.6	4.1	4.1	2.3	2.0	1.6	1.6	1.5	2.2	2.8	2.6
2019	3.0	3.3	3.9	3.8	2.8	2.2	1.7	1.2	1.4	2.5	2.4	3.6
2020	3.5	3.6	4.0	3.9	2.9	2.8	2.1	1.8	2.4	2.2	2.7	2.6
2021	3.4	3.9	3.8	3.4	3.3	2.4	1.9	1.5	1.7	2.1	2.5	3.1
2022	3.5	4.4	4.6	3.8	3.1	2.4	2.5	1.8	2.4	2.9	2.8	2.5
2023	3.5	4.1	4.4	3.6	3.0	2.5	2.0	2.2	1.7	2.4	2.6	2.6
2024	4.1	3.6	3.9	4.0	2.6	2.6	2.4	2.2	2.5	2.0	3.0	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
2013	M	M	M	M	M	M	M	M	M	63.56	55.22	50.17
2014	41.41	50.84	59.84	71.84	78.97	84.74	83.85	85.71	81.26	70.67	53.54	50.06
2015	44.95	40.10	53.83	64.40	M	M	87.60	84.26	80.60	69.74	62.90	61.32
2016	45.00	50.43	65.85	71.66	77.41	88.76	91.05	90.06	87.68	78.80	65.84	50.58
2017	53.02	59.60	60.80	76.23	77.87	83.00	87.22	84.95	79.04	72.82	61.22	48.20
2018	43.55	59.51	54.50	68.97	83.62	86.72	87.63	85.88	85.16	72.18	54.56	52.15
2019	50.12	57.84	59.87	74.24	82.98	85.89	88.67	88.21	91.04	75.72	58.46	56.97
2020	53.48	53.76	65.91	68.60	75.32	84.38	91.28	86.70	80.30	73.57	65.48	51.68
2021	49.25	52.12	66.14	68.52	76.58	85.13	86.35	86.99	80.60	72.88	59.30	62.14
2022	47.27	58.74	66.55	69.20	81.53	87.86	89.77	86.70	81.62	70.90	62.60	52.21
2023	55.17	61.44	63.99	71.00	77.35	82.94	87.34	87.09	83.66	73.86	63.98	55.98
2024	46.98	60.37	66.26	72.62	80.08	87.92	90.06	89.48	82.82	75.95	75.36	M
NCEI Climatology	48.60	53.13	61.70	71.30	78.80	85.41	88.41	88.10	83.10	72.60	60.90	51.60

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2013	M	M	M	M	M	M	M	M	M	41.48	31.82	30.84
2014	17.19	28.79	32.90	45.14	52.85	63.74	62.60	63.88	61.34	46.57	29.36	33.57
2015	25.15	20.88	32.22	41.79	M	M	68.80	63.76	58.88	47.21	42.08	40.83
2016	25.40	32.25	41.35	45.98	53.43	63.32	68.12	68.87	60.68	47.78	34.58	31.36
2017	34.70	35.15	36.20	50.84	54.06	61.22	66.84	64.05	56.12	46.52	36.02	28.92
2018	21.55	40.23	34.63	47.09	60.68	65.72	68.52	67.36	67.22	51.51	34.94	36.18
2019	31.48	39.65	37.81	48.26	59.87	65.14	68.70	67.13	63.02	51.22	33.74	36.12
2020	35.43	36.34	47.91	44.36	54.41	63.80	68.99	69.05	61.46	51.39	39.14	28.52
2021	31.88	31.68	41.64	42.50	53.54	65.14	68.17	68.29	59.90	53.19	32.18	39.37
2022	27.65	33.35	39.61	44.40	59.46	65.78	70.90	67.71	58.76	41.87	38.60	32.29
2023	35.83	40.29	39.90	46.34	56.27	60.92	68.52	68.71	60.32	47.85	38.30	33.28
2024	27.12	34.73	42.05	49.46	59.64	66.20	69.92	65.85	62.30	47.91	57.85	M
NCEI Climatology	28.20	31.00	37.30	45.31	54.80	63.40	67.50	66.30	59.91	47.20	36.20	31.30

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2013	M	M	M	M	M	M	M	M	M	52.52	43.52	40.51
2014	29.30	39.81	46.37	58.49	65.91	74.24	73.23	74.79	71.30	58.62	41.45	41.81
2015	35.05	30.49	43.02	53.09	M	M	78.20	74.01	69.74	58.48	52.49	51.07
2016	35.20	41.34	53.60	58.82	65.42	76.04	79.58	79.47	74.18	63.29	50.21	40.97
2017	43.86	47.38	48.50	63.53	65.97	72.11	77.03	74.50	67.58	59.67	48.62	38.56
2018	32.55	49.87	44.57	58.03	72.15	76.22	78.07	76.62	76.19	61.85	44.75	44.16
2019	40.80	48.75	48.84	61.25	71.43	75.52	78.68	77.67	77.03	63.47	46.10	46.55
2020	44.45	45.05	56.91	56.48	64.86	74.09	80.14	77.87	70.88	62.48	52.31	40.10
2021	40.56	41.90	53.89	55.51	65.06	75.14	77.26	77.64	70.25	63.04	45.74	50.75
2022	37.46	46.05	53.08	56.80	70.50	76.82	80.34	77.20	70.19	56.39	50.60	42.25
2023	45.50	50.87	51.95	58.67	66.81	71.93	77.93	77.90	71.99	60.86	51.14	44.63
2024	37.05	47.55	54.15	61.04	69.86	77.06	79.99	77.67	72.56	61.93	66.61	M
NCEI Climatology	38.40	42.07	49.50	58.30	66.80	74.41	77.96	77.20	71.50	59.90	48.55	41.45

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
2013	M	M	M	M	M	M	M	M	M	76.0%	69.5%	81.5%
2014	63.5%	68.9%	64.8%	65.1%	74.9%	81.3%	78.4%	81.5%	82.7%	80.6%	68.9%	84.0%
2015	71.7%	70.5%	76.0%	71.9%	M	M	78.4%	81.4%	82.9%	81.9%	77.7%	84.1%
2016	75.6%	71.4%	68.5%	62.7%	73.9%	72.5%	76.2%	76.9%	69.8%	67.4%	67.2%	76.3%
2017	74.1%	67.0%	62.7%	73.1%	76.9%	79.0%	81.5%	80.9%	79.7%	77.1%	79.6%	75.2%
2018	68.2%	81.0%	68.2%	66.0%	77.1%	79.7%	81.8%	83.5%	85.1%	79.6%	82.4%	81.8%
2019	75.7%	78.7%	64.0%	68.4%	73.9%	76.9%	79.7%	79.5%	70.5%	75.9%	75.2%	77.2%
2020	74.9%	79.6%	75.8%	68.5%	74.9%	77.8%	76.8%	83.3%	81.9%	82.4%	74.7%	80.9%
2021	76.4%	77.1%	67.5%	64.7%	69.4%	76.6%	83.1%	84.8%	83.6%	85.4%	74.1%	82.0%
2022	75.7%	68.7%	62.8%	66.1%	74.8%	72.8%	80.6%	83.2%	76.4%	70.2%	73.1%	80.0%
2023	79.9%	73.5%	63.6%	69.7%	74.8%	78.0%	82.6%	83.3%	78.8%	74.7%	67.6%	77.1%
2024	77.0%	66.1%	67.4%	67.2%	80.7%	70.5%	78.3%	74.3%	76.0%	75.7%	76.7%	M