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 (USW00003125) 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	0.00	0.02
2019	0.61	0.28	0.15	0.10	0.00	M	0.12	0.25	M	M	0.92	0.35
2020	0.09	0.62	2.96	0.44	0.00	0.00	M	M	M	M	M	0.01
2021	0.72	1.39	0.00	0.00	M	M	0.11	0.48	0.05	0.00	0.00	0.34
2022	M	0.05	0.80	M	M	M	0.07	0.70	M	0.00	M	0.25
2023	0.62	0.07	0.31	M	0.00	M	0.01	0.02	M	M	0.04	0.68
2024	0.74	0.43	0.28	0.01	M	M	0.01	0.01	M	M	M	M
2025	M	0.00	0.03	M	0.02	0.01	M	0.23	1.24	0.00	0.00	0.06
2026	0.00	0.00	0.00	0.00	M	0.00	0.00	0.03	0.16	0.10	M	M
NCEI Climatology	0.52	0.55	0.41	0.12	0.03	0.01	0.19	0.38	0.43	0.20	0.28	0.45

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	M	M	M	M	M	6.6	11.3	6.6	4.6	7.0	3.2	13.0
2018	M	M	M	M	M	M	M	M	M	M	6.0	4.9
2019	5.5	5.9	6.8	7.6	7.7	7.5	7.1	6.5	6.6	7.1	5.1	6.4
2020	6.1	6.4	5.9	6.6	7.4	7.4	7.5	6.6	5.7	5.3	5.2	6.4
2021	8.7	7.5	7.2	7.8	8.0	7.6	8.4	7.6	5.8	5.9	5.5	5.7
2022	7.1	8.3	7.7	7.6	7.6	7.7	7.8	6.8	5.8	5.5	7.8	4.0
2023	6.4	7.1	7.0	6.7	7.7	6.8	7.9	6.8	5.2	5.6	6.4	4.6
2024	4.8	4.9	6.7	7.1	7.2	7.1	8.1	6.8	4.5	3.8	3.4	2.3
2025	5.2	5.6	7.3	7.4	7.9	7.3	8.0	6.9	5.1	4.5	3.6	5.8
2026	6.3	5.7	6.1	8.0	7.4	7.2	7.3	7.7	6.9	6.6	6.4	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	104.90	103.79	103.10	92.41	88.41	77.26	69.91
2018	71.34	63.35	71.49	83.93	88.16	99.90	99.61	106.06	102.62	85.31	76.90	66.41
2019	66.44	65.08	76.59	86.24	86.94	102.86	106.55	107.91	97.22	88.32	89.67	72.42
2020	73.51	72.64	73.35	85.87	98.65	103.28	109.58	108.37	104.28	91.11	80.81	68.81
2021	66.17	72.57	76.50	89.99	94.98	107.40	107.22	105.31	101.73	87.02	83.56	69.04
2022	70.18	73.00	81.21	88.64	95.99	104.79	106.79	102.79	101.83	89.54	72.83	66.64
2023	65.24	67.99	73.81	88.21	92.92	98.92	111.08	107.48	100.07	91.77	78.52	70.34
2024	66.53	70.89	76.00	85.85	95.13	106.63	110.97	108.87	105.39	97.05	75.30	74.38
2025	68.81	79.34	79.85	86.83	94.73	105.76	107.87	108.85	98.31	90.20	79.72	74.29
2026	73.50	81.40	94.71	88.44	96.36	106.62	109.34	110.71	101.42	91.18	80.28	M
NCEI Climatology	69.20	72.89	79.69	86.09	94.10	103.30	106.80	106.40	101.68	90.30	77.40	67.10

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	M	M	M	M	M	97.10	91.72	92.52	76.89	74.12	61.06	54.05
2018	53.47	47.45	61.14	67.64	70.64	83.30	88.81	83.61	78.81	64.26	51.03	44.45
2019	47.29	45.60	54.24	61.10	62.63	73.28	81.71	83.12	75.34	60.34	59.80	52.03
2020	47.78	47.32	53.47	59.78	69.33	73.45	81.95	87.16	76.63	64.16	53.53	44.89
2021	46.86	49.27	50.26	60.65	66.54	81.13	87.42	82.35	78.65	61.83	57.40	47.95
2022	46.55	47.00	53.81	60.34	66.35	78.93	85.14	83.83	80.23	66.59	50.22	44.58
2023	45.10	45.41	52.24	59.13	66.97	71.16	85.71	84.28	74.86	66.04	54.97	47.16
2024	46.14	50.47	52.66	57.82	66.41	78.99	86.33	85.04	78.44	68.09	49.79	46.43
2025	43.01	52.20	54.21	59.18	68.46	76.14	82.15	83.77	77.98	65.08	56.47	51.21
2026	48.25	52.55	62.61	61.86	66.80	76.88	85.89	88.10	79.81	69.42	59.49	M
NCEI Climatology	44.71	47.88	53.09	58.50	65.80	73.80	81.80	82.40	76.00	63.09	51.00	43.21

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	101.00	97.75	97.81	84.65	81.26	69.16	61.98
2018	62.41	55.40	66.31	75.79	79.40	91.60	94.21	94.84	90.71	74.79	63.97	55.43
2019	56.86	55.34	65.42	73.67	74.78	88.07	94.13	95.51	86.28	74.33	74.73	62.23
2020	60.64	59.98	63.41	72.83	83.99	88.36	95.76	97.76	90.45	77.63	67.17	56.85
2021	56.52	60.92	63.38	75.32	80.76	94.27	97.32	93.83	90.19	74.42	70.48	58.49
2022	58.36	60.00	67.51	74.49	81.17	91.86	95.97	93.31	91.03	78.06	61.52	55.61
2023	55.17	56.70	63.02	73.67	79.94	85.04	98.40	95.88	87.46	78.90	66.75	58.75
2024	56.33	60.68	64.33	71.84	80.77	92.81	98.65	96.96	91.92	82.57	62.54	60.41
2025	55.91	65.77	67.03	73.00	81.59	90.95	95.01	96.31	88.14	77.64	68.10	62.75
2026	60.88	66.97	78.66	75.15	81.58	91.75	97.62	99.40	90.62	80.30	69.88	M
NCEI Climatology	56.95	60.38	66.39	72.29	79.95	88.55	94.30	94.40	88.84	76.70	64.20	55.15

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	20.8%	32.7%	31.5%	31.3%	20.0%	40.4%	12.3%
2018	M	M	M	M	M	M	M	M	M	M	32.9%	49.2%
2019	54.4%	46.7%	35.8%	26.5%	30.8%	20.0%	26.0%	29.1%	36.2%	18.3%	99.0%	100.0%
2020	66.8%	36.7%	52.0%	34.2%	20.5%	19.0%	23.4%	29.4%	22.8%	23.3%	21.3%	26.3%
2021	40.2%	27.3%	28.2%	20.3%	19.2%	20.9%	31.5%	37.7%	34.7%	28.0%	24.3%	40.5%
2022	29.4%	21.0%	20.4%	21.2%	18.9%	21.0%	27.1%	44.2%	37.6%	37.5%	27.0%	48.9%
2023	46.2%	38.9%	37.6%	19.6%	23.8%	19.9%	23.9%	31.3%	29.9%	24.8%	29.8%	40.8%
2024	52.6%	51.4%	40.7%	28.4%	20.0%	22.1%	27.9%	28.0%	23.7%	25.9%	25.0%	25.6%
2025	24.9%	26.0%	31.4%	22.3%	22.5%	21.0%	25.0%	29.9%	44.6%	36.8%	50.0%	46.1%
2026	38.1%	33.3%	23.6%	23.4%	22.4%	19.0%	27.9%	33.0%	36.3%	36.4%	50.3%	M