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 (USC00144114) 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	M	0.01	M
2016	M	M	M	M	M	0.01	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	M	M	M	M	M	M	M	M	M
2019	M	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	0.15	M	2.87	3.25	3.95	1.15	1.03	2.15	0.03	0.40
2024	0.18	0.36	0.02	0.43	1.04	1.82	1.95	2.56	0.91	0.11	4.70	M
2025	0.08	M	M	0.10	3.62	1.68	0.01	M	0.11	0.05	0.01	0.06
2026	0.13	0.06	M	0.05	1.50	3.03	3.04	0.78	M	M	M	M
NCEI Climatology	0.51	0.35	0.97	1.46	2.01	2.19	2.86	3.02	1.37	1.55	0.51	0.68

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	10.6	10.7
2016	9.1	11.6	12.0	12.6	12.5	10.8	9.4	8.6	10.8	9.6	10.3	8.5
2017	9.1	10.0	11.5	13.4	11.8	11.6	8.9	7.3	9.1	11.1	9.1	9.8
2018	10.2	11.5	12.7	13.9	11.7	13.9	9.8	9.5	11.8	10.2	9.9	10.7
2019	9.5	10.3	11.8	11.7	10.1	11.1	10.6	9.7	13.2	11.5	10.8	9.2
2020	10.0	11.1	12.4	11.7	13.4	15.5	10.8	9.4	9.6	9.7	11.9	11.6
2021	10.7	7.8	13.5	13.6	13.6	10.9	10.2	11.4	11.0	10.6	9.9	11.4
2022	10.7	11.5	13.9	15.0	13.8	12.1	10.1	8.2	9.4	8.9	11.8	10.8
2023	9.7	11.9	12.1	13.0	11.9	9.5	8.6	8.7	9.1	9.7	9.4	10.8
2024	10.0	11.3	11.0	12.4	12.0	13.8	9.3	8.9	9.4	10.3	9.8	8.4
2025	9.7	11.8	14.8	14.0	12.5	14.7	12.1	11.2	10.5	12.5	10.3	10.5
2026	11.1	11.2	12.9	13.2	11.7	14.3	11.0	11.9	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	M	54.33	47.09
2016	49.06	58.62	65.49	68.97	74.60	91.01	93.16	87.13	85.12	79.79	63.80	42.07
2017	44.65	60.32	65.68	66.85	73.61	90.18	91.92	83.33	81.47	72.01	61.82	48.86
2018	52.34	51.16	65.20	66.76	85.06	92.89	92.05	90.20	83.95	66.76	55.33	49.08
2019	44.44	41.09	54.50	71.90	72.62	87.36	94.36	92.82	91.63	66.12	57.22	52.09
2020	51.66	48.24	63.22	70.00	79.37	95.88	92.65	91.35	82.79	68.88	64.15	47.69
2021	48.17	38.65	58.74	68.41	74.94	90.30	90.44	93.68	89.32	75.08	64.06	59.17
2022	48.56	47.74	60.47	72.22	81.70	89.01	95.29	92.78	88.66	74.04	54.96	49.49
2023	45.15	53.52	57.43	75.01	76.44	81.95	89.97	92.42	87.42	71.36	61.47	52.06
2024	40.29	56.77	62.58	72.90	79.85	92.15	92.79	92.12	87.32	79.07	57.12	55.02
2025	41.75	49.64	68.70	73.46	76.36	87.86	92.10	90.76	84.98	74.15	62.90	59.81
2026	49.73	65.88	75.65	75.84	79.79	91.60	96.72	97.98	M	M	M	M
NCEI Climatology	47.41	51.12	60.29	68.40	78.39	88.99	93.41	90.50	83.99	71.50	58.40	47.60

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	M	28.68	25.21
2016	20.68	27.20	30.90	39.80	47.13	61.77	65.73	62.15	55.83	43.53	32.22	15.16
2017	19.87	26.12	31.02	41.83	46.21	59.89	64.28	60.04	54.55	40.79	31.31	17.83
2018	16.33	18.91	29.63	32.27	53.79	61.51	63.88	63.70	58.55	42.74	27.73	21.47
2019	29.36	24.88	30.71	41.08	47.75	58.44	64.47	64.73	61.22	34.52	25.62	23.15
2020	22.20	22.61	33.51	36.71	49.83	61.91	65.74	62.09	50.32	37.21	32.56	21.90
2021	21.74	14.30	32.42	36.20	50.72	61.38	63.88	63.80	58.13	42.59	31.75	24.65
2022	17.50	16.89	28.18	38.61	49.76	62.16	67.62	64.18	56.00	42.80	26.23	18.87
2023	20.95	21.12	27.80	37.66	55.07	59.21	64.97	64.00	57.87	41.48	30.77	26.79
2024	18.07	29.26	29.79	40.74	49.60	64.98	64.89	63.78	55.30	45.96	31.37	23.97
2025	16.80	16.87	33.68	41.00	48.95	62.24	65.10	63.47	56.96	47.21	33.32	25.55
2026	19.12	26.77	34.09	40.82	47.62	62.02	65.97	67.28	M	M	M	M
NCEI Climatology	20.20	22.80	30.10	38.50	49.59	60.60	65.70	63.90	55.20	41.31	29.90	21.50

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	M	41.50	36.15
2016	34.87	42.91	48.19	54.39	60.86	76.39	79.44	74.64	70.48	61.66	48.01	28.61
2017	32.26	43.22	48.35	54.34	59.91	75.04	78.10	71.69	68.01	56.40	46.56	33.35
2018	34.33	35.04	47.41	49.51	69.43	77.20	77.97	76.95	71.25	54.75	41.53	35.28
2019	36.90	32.99	42.61	56.49	60.19	72.90	79.42	78.78	76.42	50.32	41.42	37.62
2020	36.93	35.42	48.36	53.35	64.60	78.90	79.20	76.72	66.55	53.04	48.35	34.79
2021	34.95	26.47	45.58	52.30	62.83	75.84	77.16	78.74	73.73	58.84	47.90	41.91
2022	33.03	32.31	44.33	55.42	65.73	75.59	81.45	78.48	72.33	58.42	40.60	34.18
2023	33.05	37.32	42.61	56.34	65.76	70.58	77.47	78.21	72.64	56.42	46.12	39.43
2024	29.18	43.01	46.19	56.82	64.72	78.57	78.84	77.95	71.31	62.52	44.24	39.50
2025	29.28	33.25	51.19	57.23	62.66	75.05	78.60	77.12	70.97	60.68	48.11	42.68
2026	34.43	46.32	54.87	58.33	63.71	76.81	81.35	82.63	M	M	M	M
NCEI Climatology	33.80	36.96	45.20	53.45	63.99	74.79	79.55	77.20	69.59	56.40	44.15	34.55

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
2015	M	M	M	M	M	M	M	M	M	M	72.4%	66.1%
2016	64.9%	49.9%	46.9%	58.5%	61.9%	56.3%	58.8%	64.0%	58.9%	49.5%	52.8%	62.6%
2017	68.2%	49.6%	52.5%	64.1%	64.2%	53.1%	59.6%	72.6%	63.1%	57.6%	60.6%	54.6%
2018	49.1%	51.4%	44.8%	47.7%	56.7%	52.8%	59.3%	56.4%	60.9%	65.0%	59.3%	55.6%
2019	68.6%	67.2%	61.2%	47.8%	65.1%	52.8%	61.6%	68.9%	61.7%	57.8%	66.6%	66.4%
2020	65.7%	72.4%	68.0%	56.0%	60.3%	48.1%	71.5%	67.4%	63.1%	59.2%	61.1%	72.8%
2021	68.9%	73.0%	68.1%	53.9%	76.0%	62.7%	65.9%	53.1%	48.8%	49.2%	44.1%	37.9%
2022	56.9%	48.3%	45.6%	35.9%	45.9%	52.9%	52.9%	52.6%	48.1%	42.3%	53.1%	52.2%
2023	66.0%	52.4%	50.0%	30.0%	74.0%	70.1%	66.3%	54.3%	50.8%	57.2%	53.8%	62.9%
2024	72.8%	62.1%	55.0%	44.2%	52.1%	58.2%	54.3%	63.0%	52.7%	47.2%	70.7%	61.1%
2025	66.5%	54.9%	43.3%	48.0%	64.2%	65.5%	64.0%	64.6%	68.5%	61.9%	61.9%	58.9%
2026	63.4%	48.3%	40.3%	45.1%	55.5%	58.1%	55.5%	49.9%	M	M	M	M