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 (USC00459376) 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
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	0.25	1.09
2019	0.99	0.26	0.39	0.30	1.37	0.24	0.29	0.11	1.56	0.35	0.26	0.62
2020	1.24	0.49	0.13	0.11	1.31	0.88	M	0.01	M	0.01	1.40	1.01
2021	0.87	0.10	M	M	0.03	0.04	M	M	M	0.38	1.34	1.32
2022	1.62	0.62	0.12	0.53	0.74	1.68	0.42	0.04	0.18	0.01	2.09	2.07
2023	1.79	0.11	0.34	0.43	0.43	0.24	0.40	0.25	0.83	0.88	1.04	0.65
2024	0.43	0.67	0.71	0.12	0.17	0.25	M	1.27	0.22	0.04	2.63	2.24
2025	0.23	0.45	1.00	0.14	0.20	0.01	0.16	1.08	0.10	0.97	1.33	3.33
2026	0.12	0.13	0.98	0.15	0.66	0.26	0.06	0.55	1.11	0.01	M	M
NCEI Climatology	2.06	1.32	1.23	0.84	1.13	1.09	0.69	0.45	0.45	1.37	2.03	2.57

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	1.6	1.3
2019	1.0	2.4	2.2	5.0	4.1	6.4	5.3	4.6	3.8	3.4	1.6	0.9
2020	1.6	2.3	3.8	5.7	5.2	6.3	6.0	5.5	3.9	3.1	2.4	1.5
2021	1.4	2.2	3.3	5.0	5.5	5.4	5.5	4.8	3.7	2.9	2.0	1.9
2022	1.4	2.9	3.7	4.8	5.3	5.2	4.5	4.4	3.6	2.7	1.5	1.1
2023	1.0	1.8	1.9	4.4	4.7	5.1	5.0	4.2	4.0	2.7	1.7	0.9
2024	2.7	1.8	3.4	4.8	5.6	5.5	5.2	4.6	3.7	2.7	1.8	1.3
2025	1.3	1.4	2.7	4.8	5.9	5.5	5.9	4.2	3.4	2.9	1.5	1.9
2026	1.4	1.7	3.8	5.1	5.3	6.2	6.0	5.1	3.5	3.0	2.9	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
2017	M	M	M	M	M	79.07	91.43	91.03	77.60	57.52	38.43	26.42
2018	31.81	34.27	45.04	59.04	77.72	77.77	90.59	86.25	73.55	61.35	44.30	30.65
2019	29.24	25.39	42.69	60.49	73.01	78.21	83.68	87.39	70.91	54.23	43.62	29.34
2020	30.42	38.58	50.38	62.07	69.21	75.22	87.15	88.11	79.85	59.68	37.77	29.78
2021	30.61	31.94	49.51	64.06	70.85	83.48	93.73	84.89	74.45	58.53	42.91	25.94
2022	25.05	34.47	50.99	54.12	63.39	74.04	88.37	91.26	79.47	70.83	28.33	20.07
2023	29.26	24.63	42.40	57.30	77.28	79.96	88.66	87.07	75.04	60.49	41.08	33.79
2024	26.63	42.18	53.45	59.97	69.24	76.39	92.83	85.51	80.26	61.81	39.78	30.36
2025	26.10	28.25	48.73	59.64	72.24	81.50	89.15	88.45	83.24	58.23	43.75	34.35
2026	30.94	40.38	54.02	65.14	76.38	79.71	90.24	86.31	73.99	63.56	52.19	M
NCEI Climatology	29.90	38.60	50.00	61.10	71.10	76.70	85.80	85.61	77.00	60.90	41.20	29.21

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	M	M	M	M	M	45.18	50.49	48.63	41.08	27.52	27.36	14.14
2018	21.07	12.15	23.00	32.45	43.88	43.72	49.82	47.67	40.04	30.60	23.98	16.50
2019	17.65	9.24	19.08	33.31	42.39	46.53	50.74	50.44	44.90	27.52	19.68	18.97
2020	18.62	16.26	23.75	30.59	40.42	46.07	49.90	48.93	43.06	31.08	21.37	16.43
2021	17.50	16.51	23.23	30.19	36.68	49.57	55.85	51.58	40.85	30.92	28.37	10.22
2022	11.37	14.33	27.11	29.36	38.77	45.80	52.06	52.09	43.10	33.65	10.69	3.94
2023	21.20	6.92	22.73	30.10	45.58	47.93	52.10	51.40	43.73	33.73	25.57	24.78
2024	16.83	25.80	26.20	30.57	36.61	43.78	53.40	51.31	44.55	30.59	27.81	20.74
2025	7.25	9.31	27.04	32.02	39.23	46.77	54.15	52.37	45.86	30.96	30.43	23.44
2026	19.03	22.81	27.86	32.05	41.33	46.55	53.34	49.32	42.22	32.64	28.70	M
NCEI Climatology	15.40	18.10	25.40	32.20	39.70	45.90	50.80	49.29	41.20	31.90	24.50	15.40

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	M	M	M	M	M	62.13	70.96	69.83	59.34	42.52	32.89	20.28
2018	26.44	23.21	34.02	45.75	60.80	60.74	70.21	66.96	56.80	45.98	34.14	23.57
2019	23.45	17.32	30.89	46.90	57.70	62.37	67.21	68.91	57.91	40.88	31.65	24.16
2020	24.52	27.42	37.07	46.33	54.81	60.64	68.53	68.52	61.46	45.38	29.57	23.11
2021	24.05	24.23	36.37	47.13	53.76	66.53	74.79	68.23	57.65	44.73	35.64	18.08
2022	18.21	24.40	39.05	41.74	51.08	59.92	70.22	71.68	61.29	52.24	19.51	12.00
2023	25.23	15.77	32.56	43.70	61.43	63.95	70.38	69.24	59.38	47.11	33.33	29.29
2024	21.73	33.99	39.83	45.27	52.93	60.08	73.11	68.41	62.40	46.20	33.80	25.55
2025	16.68	18.78	37.89	45.83	55.73	64.13	71.65	70.41	64.55	44.60	37.09	28.89
2026	24.98	31.59	40.94	48.59	58.85	63.13	71.79	67.82	58.10	48.10	40.44	M
NCEI Climatology	22.65	28.35	37.70	46.65	55.40	61.30	68.30	67.45	59.10	46.40	32.85	22.30

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
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	83.1%	89.2%
2019	91.3%	78.3%	75.8%	57.0%	57.9%	47.6%	48.4%	48.9%	68.1%	68.5%	81.3%	91.0%
2020	90.4%	78.6%	60.4%	49.3%	58.9%	54.0%	42.4%	40.3%	59.1%	71.7%	86.7%	90.3%
2021	90.7%	80.6%	68.1%	49.8%	51.5%	49.0%	39.7%	52.0%	59.2%	69.4%	88.2%	83.5%
2022	88.4%	78.8%	67.3%	56.3%	59.7%	61.0%	50.1%	48.4%	57.5%	65.8%	85.4%	87.0%
2023	94.3%	73.5%	74.2%	61.6%	57.3%	51.7%	45.1%	50.3%	59.3%	76.4%	83.2%	93.2%
2024	86.2%	81.4%	66.9%	57.1%	51.9%	49.4%	40.3%	53.9%	57.7%	67.7%	88.8%	92.4%
2025	87.6%	85.8%	74.8%	62.6%	51.3%	44.1%	42.5%	51.4%	58.4%	73.1%	88.4%	91.0%
2026	91.4%	84.5%	65.0%	53.4%	51.0%	45.1%	39.2%	45.9%	63.5%	64.7%	78.1%	M