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 (USC00084210) 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	M	M	M	M	M	M	M
2017	M	M	0.44	1.71	3.73	19.46	7.32	10.76	4.15	2.89	0.18	1.08
2018	0.69	0.03	1.33	1.00	5.91	7.31	M	9.88	6.62	0.64	1.66	1.22
2019	1.13	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
2026	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	2.72	1.96	2.17	2.56	4.16	7.87	6.77	7.40	5.98	3.18	1.53	1.77

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	4.4	7.2	5.3
2014	5.1	4.0	5.1	5.1	5.6	3.9	2.4	2.6	2.8	3.6	5.0	3.2
2015	4.1	4.6	4.0	2.9	3.6	2.7	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	6.5	7.0	5.5	4.8	3.3	4.2	3.8	7.4	6.2	3.8
2018	7.6	6.0	5.8	5.8	6.6	2.5	0.0	2.4	4.2	5.8	4.4	5.8
2019	5.8	5.5	5.7	6.1	5.6	4.0	3.6	3.8	7.1	5.6	4.7	6.0
2020	5.8	6.3	5.7	6.1	6.2	3.5	4.3	4.1	4.8	6.7	8.1	5.3
2021	4.1	5.9	6.1	6.1	6.7	5.2	3.8	4.2	3.3	4.7	5.7	3.4
2022	5.1	6.0	M	5.3	5.2	4.1	4.3	3.6	3.1	M	5.9	5.2
2023	4.7	5.9	5.6	6.2	4.7	4.3	3.1	4.5	3.8	5.4	6.9	6.7
2024	6.4	5.1	5.3	6.5	4.8	5.4	3.5	5.0	4.7	7.7	5.9	6.4
2025	6.2	4.7	5.9	6.8	4.1	4.2	3.2	3.1	3.8	6.0	4.1	4.5
2026	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
2013	M	M	M	M	M	M	M	M	M	88.36	85.10	83.50
2014	75.03	84.91	83.21	88.28	92.50	94.64	95.75	97.52	93.38	90.12	80.48	81.41
2015	88.16	85.45	71.60	74.00	68.90	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	81.14	86.06	90.41	88.82	89.53	90.41	89.95	86.87	83.42	80.37
2018	73.86	85.55	81.53	89.42	87.74	93.91	M	93.43	93.38	89.89	84.32	79.67
2019	75.55	84.33	82.86	88.04	92.21	94.28	94.01	92.50	92.60	90.65	82.76	80.19
2020	78.68	81.16	87.10	91.16	88.07	95.48	94.13	95.12	92.00	88.67	84.14	75.66
2021	76.42	83.11	82.75	87.02	92.74	92.66	93.61	94.01	92.30	89.48	79.52	83.62
2022	75.74	82.60	M	79.70	93.43	94.04	95.12	95.99	95.77	M	82.88	78.63
2023	80.42	88.12	111.56	127.85	114.05	126.71	103.71	125.15	96.68	86.12	81.11	74.74
2024	74.21	75.88	82.34	84.08	92.15	89.78	92.24	91.62	M	M	M	M
2025	M	80.00	82.05	87.62	92.14	90.95	93.89	92.04	88.94	86.17	80.78	80.47
2026	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	75.50	78.16	81.20	85.40	89.49	91.30	92.29	92.00	90.30	86.90	81.30	77.61

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	64.18	62.12	59.12
2014	49.71	55.27	54.35	59.24	62.89	69.38	72.24	72.62	71.90	64.46	54.02	53.54
2015	59.43	50.78	71.60	70.60	68.90	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	53.72	60.08	65.33	73.40	74.40	75.20	74.30	69.63	63.14	54.30
2018	49.83	60.41	50.70	60.38	67.19	72.76	M	73.63	73.82	68.93	61.40	54.82
2019	49.19	60.48	57.49	61.58	67.48	73.22	74.33	75.43	72.62	72.06	58.94	57.78
2020	52.40	55.52	57.55	64.82	62.60	72.44	73.57	75.26	74.12	72.47	65.54	52.03
2021	51.16	58.42	57.49	59.96	64.81	71.54	73.28	74.45	73.16	69.45	59.48	58.65
2022	50.72	55.67	M	67.10	66.95	71.66	74.39	74.27	74.04	M	64.64	55.75
2023	53.60	61.31	74.77	89.38	86.00	100.68	81.53	107.51	75.14	66.08	62.92	56.39
2024	54.88	50.93	61.15	58.88	68.93	72.68	74.84	75.99	M	M	M	M
2025	M	56.00	52.73	59.54	67.13	71.15	73.26	73.81	72.92	68.29	55.76	56.43
2026	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	52.20	54.64	57.20	61.59	66.70	72.31	73.90	74.51	74.00	68.49	60.20	55.30

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	76.27	73.61	71.31
2014	62.37	70.09	68.78	73.76	77.70	82.01	84.00	85.07	82.64	77.29	67.25	67.48
2015	73.80	68.12	71.60	72.30	68.90	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	67.43	73.07	77.87	81.11	81.97	82.80	82.12	78.25	73.28	67.33
2018	61.85	72.98	66.11	74.90	77.46	83.33	M	83.53	83.60	79.41	72.86	67.25
2019	62.37	72.40	70.18	74.81	79.85	83.75	84.17	83.97	82.61	81.35	70.85	68.99
2020	65.54	68.34	72.33	77.99	75.33	83.96	83.85	85.19	83.06	80.57	74.84	63.85
2021	63.79	70.76	70.12	73.49	78.77	82.10	83.45	84.23	82.73	79.47	69.50	71.14
2022	63.23	69.13	M	73.40	80.19	82.85	84.75	85.13	84.91	M	73.76	67.19
2023	67.01	74.72	92.80	108.61	100.24	113.69	92.62	116.33	85.91	76.10	72.02	65.56
2024	64.55	63.41	71.75	71.48	80.54	81.23	83.54	83.81	M	M	M	M
2025	M	68.00	67.39	73.58	79.64	81.05	83.58	82.92	80.93	77.23	68.27	68.45
2026	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	63.85	66.40	69.20	73.50	78.10	81.80	83.10	83.25	82.15	77.70	70.75	66.45

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	83.7%	85.5%	87.1%
2014	84.6%	83.1%	78.6%	79.5%	76.3%	83.8%	88.2%	86.2%	91.9%	84.1%	84.9%	85.5%
2015	79.8%	72.9%	100.0%	87.3%	88.2%	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	70.0%	72.3%	73.5%	85.8%	85.7%	83.2%	83.6%	81.7%	80.4%	80.3%
2018	75.8%	76.2%	66.6%	68.5%	79.1%	78.3%	M	83.0%	80.8%	76.5%	77.6%	78.2%
2019	76.4%	78.6%	74.1%	72.3%	74.9%	78.3%	80.6%	83.7%	76.1%	81.2%	79.6%	81.5%
2020	74.1%	75.8%	70.7%	72.0%	71.0%	74.5%	79.2%	80.4%	83.0%	82.8%	81.3%	78.3%
2021	77.5%	75.6%	72.3%	71.4%	67.3%	79.7%	82.4%	82.7%	82.3%	79.2%	78.8%	81.5%
2022	76.1%	75.2%	M	89.1%	73.0%	78.4%	80.3%	80.8%	80.9%	M	82.5%	78.4%
2023	74.5%	75.6%	74.5%	85.2%	74.6%	83.1%	84.3%	85.3%	84.7%	80.4%	82.5%	84.2%
2024	84.8%	78.7%	82.6%	76.0%	79.8%	88.0%	89.2%	91.2%	M	M	M	M
2025	M	78.8%	76.2%	73.5%	80.3%	87.4%	85.8%	89.3%	90.7%	87.2%	82.7%	87.2%
2026	M	M	M	M	M	M	M	M	M	M	M	M