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 (USC00127298) 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
2011	M	M	M	M	0.82	3.74	1.35	0.89	3.04	0.96	2.34	2.29
2012	0.95	0.34	0.97	2.32	1.85	2.28	1.30	2.82	2.22	0.63	0.25	0.83
2013	1.67	0.79	0.17	4.03	5.32	3.56	1.47	2.21	1.35	2.27	0.90	0.68
2014	0.29	1.35	0.51	1.57	1.75	8.03	2.63	6.54	2.78	0.74	1.36	0.39
2015	0.71	0.31	0.62	1.68	4.58	10.59	2.97	3.57	2.20	1.04	1.40	3.40
2016	0.49	0.41	3.06	2.41	1.80	3.06	6.28	6.57	4.15	1.65	1.46	0.50
2017	1.67	0.81	2.65	3.69	3.53	3.43	4.37	3.34	0.79	4.89	1.65	0.13
2018	0.61	4.39	1.14	1.46	2.37	3.98	1.37	2.81	2.66	2.88	1.56	1.87
2019	0.97	1.03	2.06	3.83	4.85	3.68	3.59	1.65	5.00	2.88	0.83	1.14
2020	2.17	0.64	2.20	2.08	3.14	3.87	1.79	1.78	2.07	0.90	1.00	0.92
2021	0.72	0.06	1.66	1.46	2.27	5.42	1.62	3.14	2.84	6.10	0.50	1.83
2022	0.10	1.42	1.87	1.30	1.75	2.77	3.25	2.41	0.82	2.66	1.04	0.41
2023	0.80	3.02	2.56	0.70	0.54	0.67	2.63	3.96	0.51	3.34	0.30	1.90
2024	1.76	0.60	1.83	5.13	0.85	0.08	0.49	3.06	0.92	0.40	1.73	1.48
2025	0.09	0.04	2.19	2.11	2.34	2.09	3.62	2.71	2.33	1.09	0.72	0.90
2026	0.21	0.49	1.75	3.80	0.71	4.35	M	M	M	M	M	M
NCEI Climatology	2.58	2.13	2.71	3.88	4.34	4.78	4.49	4.01	3.24	3.18	2.59	2.25

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2011	M	M	M	M	10.1	8.7	5.4	4.3	6.3	6.5	11.9	8.6
2012	11.0	9.5	11.0	10.6	8.7	7.0	4.5	3.4	5.5	8.7	6.6	9.4
2013	10.8	10.2	9.5	10.4	8.9	7.4	5.6	4.5	5.8	7.1	10.5	9.9
2014	12.6	8.9	9.7	9.8	9.4	7.3	5.3	4.2	4.7	7.6	10.6	8.0
2015	8.3	9.5	8.3	10.3	9.9	7.1	5.0	5.1	5.6	9.5	10.3	10.7
2016	10.3	10.4	9.9	9.9	8.7	6.3	4.0	3.5	5.2	7.3	6.9	9.4
2017	9.6	9.6	10.6	10.6	9.9	8.9	5.5	4.5	5.0	8.1	8.8	9.0
2018	11.0	9.5	9.6	9.7	8.3	6.2	4.3	4.9	5.7	7.8	8.3	7.6
2019	9.1	8.7	7.3	8.0	7.9	7.2	4.1	3.5	4.4	6.2	7.4	8.7
2020	8.8	8.3	9.1	8.9	7.7	6.8	4.1	3.1	3.2	4.8	8.8	7.7
2021	7.4	7.6	9.5	8.3	6.5	5.9	2.9	4.6	6.6	6.1	8.4	9.3
2022	9.2	10.8	10.2	11.0	10.9	6.4	4.9	4.6	4.7	7.7	10.2	10.2
2023	8.9	10.6	10.6	9.7	7.7	6.9	4.6	5.3	4.7	7.5	8.2	7.5
2024	9.9	8.7	10.8	10.6	7.6	7.8	4.0	4.0	4.6	6.2	9.0	9.6
2025	10.1	9.4	10.8	9.9	8.4	7.4	4.8	4.5	4.0	7.4	9.0	9.7
2026	10.3	8.2	11.5	10.7	8.7	8.1	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
2011	M	M	M	M	74.20	81.02	86.64	81.01	70.22	65.56	53.24	41.64
2012	38.56	39.80	64.69	63.62	77.81	82.28	88.61	82.11	74.96	60.28	49.82	43.03
2013	35.83	35.28	40.54	58.94	74.79	79.28	79.96	80.14	78.50	64.52	46.04	33.92
2014	25.90	25.76	40.88	60.44	72.53	80.84	77.29	80.66	73.94	61.79	42.56	37.63
2015	29.85	26.15	44.77	61.36	71.28	78.26	80.83	79.90	79.22	64.98	54.56	45.94
2016	34.61	39.01	54.18	59.78	71.14	82.28	81.41	82.23	80.00	68.46	55.82	33.22
2017	37.34	49.49	48.32	65.84	68.75	83.77	82.17	77.81	78.20	67.01	49.22	35.48
2018	31.54	39.33	44.95	53.12	79.90	80.79	81.24	83.79	79.88	63.01	40.94	40.71
2019	29.45	35.66	43.09	59.90	69.92	78.26	83.79	79.96	77.90	61.96	42.56	42.28
2020	36.76	35.29	49.30	57.86	67.88	82.52	83.04	80.14	74.54	61.32	54.56	38.62
2021	33.16	26.66	53.48	60.50	68.54	80.33	81.32	81.34	78.86	65.74	46.34	45.53
2022	29.33	35.02	49.54	56.90	69.16	81.86	81.06	80.14	74.42	63.94	50.36	36.40
2023	37.63	43.19	46.40	62.78	74.79	81.02	82.34	78.57	76.22	62.89	50.96	43.21
2024	30.20	46.59	54.99	60.74	75.90	81.86	80.31	79.67	78.26	70.26	51.56	38.50
2025	29.62	35.99	54.41	61.22	69.22	82.64	83.85	78.51	77.66	67.13	48.92	35.14
2026	30.08	40.94	57.26	65.83	71.54	77.86	M	M	M	M	M	M
NCEI Climatology	32.01	36.67	48.10	61.11	72.30	81.41	83.90	82.50	77.20	64.11	49.10	37.00

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2011	M	M	M	M	56.80	61.94	67.88	59.70	51.44	41.17	37.22	29.15
2012	22.48	26.40	44.19	40.28	54.99	58.64	65.39	56.97	50.42	41.00	30.38	30.61
2013	19.81	23.13	26.89	38.42	52.26	60.20	61.03	59.35	52.82	42.57	30.38	18.65
2014	9.30	8.41	23.41	38.90	51.39	62.18	56.91	60.68	50.66	42.80	27.38	28.34
2015	16.79	8.92	26.83	41.12	54.50	60.68	61.55	59.17	56.60	43.96	35.78	34.90
2016	19.86	25.17	37.23	39.98	50.17	60.56	62.37	64.34	57.92	47.50	37.10	21.55
2017	25.79	29.62	32.06	44.90	49.19	62.31	63.59	57.49	53.96	48.26	32.90	19.05
2018	15.74	21.14	28.23	33.32	57.26	62.41	61.55	63.24	58.52	42.10	29.84	28.17
2019	16.44	22.49	27.76	39.86	50.23	59.18	64.86	59.23	57.80	41.29	26.42	26.54
2020	26.19	21.20	33.10	35.96	49.30	60.08	63.82	57.95	51.50	38.74	34.76	24.57
2021	24.80	11.88	32.17	38.96	48.38	60.27	64.22	62.52	56.18	49.48	29.66	29.15
2022	11.45	18.82	31.42	37.58	52.96	58.94	61.73	59.58	52.40	38.68	31.58	23.87
2023	27.70	25.44	30.20	37.88	49.71	56.06	60.10	59.41	53.00	44.48	30.56	32.41
2024	21.61	28.28	33.68	42.02	52.96	60.38	60.28	59.46	53.54	41.41	36.86	25.44
2025	13.30	20.24	32.87	38.96	47.56	62.48	65.68	59.06	52.58	44.48	31.76	18.70
2026	14.75	23.64	33.57	44.79	48.32	58.42	M	M	M	M	M	M
NCEI Climatology	16.10	19.46	28.70	38.91	50.60	60.41	63.40	61.20	53.21	41.30	31.30	21.90

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2011	M	M	M	M	65.50	71.48	77.26	70.35	60.83	53.37	45.23	35.40
2012	30.52	33.10	54.44	51.95	66.40	70.46	77.00	69.54	62.69	50.64	40.10	36.82
2013	27.82	29.20	33.71	48.68	63.53	69.74	70.50	69.74	65.66	53.54	38.21	26.28
2014	17.60	17.09	32.15	49.67	61.96	71.51	67.10	70.67	62.30	52.29	34.97	32.99
2015	23.32	17.54	35.80	51.24	62.89	69.47	71.19	69.54	67.91	54.47	45.17	40.42
2016	27.24	32.09	45.70	49.88	60.65	71.42	71.89	73.28	68.96	57.98	46.46	27.38
2017	31.56	39.55	40.19	55.37	58.97	73.04	72.88	67.65	66.08	57.64	41.06	27.27
2018	23.64	30.23	36.59	43.22	68.58	71.60	71.40	73.52	69.20	52.55	35.39	34.44
2019	22.94	29.08	35.43	49.88	60.07	68.72	74.33	69.60	67.85	51.63	34.49	34.41
2020	31.48	28.24	41.20	46.91	58.59	71.30	73.43	69.05	63.02	50.03	44.66	31.59
2021	28.98	19.27	42.83	49.73	58.46	70.30	72.77	71.93	67.52	57.61	38.00	37.34
2022	20.39	26.92	40.48	47.24	61.06	70.40	71.40	69.86	63.41	51.31	40.97	30.13
2023	32.67	34.31	38.30	50.33	62.25	68.54	71.22	68.99	64.61	53.69	40.76	37.81
2024	25.90	37.43	44.34	51.38	64.43	71.12	70.29	69.57	65.90	55.84	44.21	31.97
2025	21.46	28.11	43.64	50.09	58.39	72.56	74.76	68.78	65.12	55.81	40.34	26.92
2026	22.42	32.29	45.41	55.31	59.93	68.14	M	M	M	M	M	M
NCEI Climatology	24.05	28.06	38.40	50.01	61.45	70.91	73.65	71.85	65.20	52.70	40.20	29.45

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
2011	M	M	M	M	80.2%	70.2%	72.1%	79.5%	80.2%	68.9%	75.9%	86.0%
2012	80.7%	83.0%	66.2%	57.8%	55.1%	58.3%	71.4%	74.7%	71.6%	73.9%	75.0%	86.9%
2013	78.8%	82.3%	77.5%	69.5%	67.7%	71.0%	77.5%	78.3%	72.8%	74.7%	75.3%	84.9%
2014	80.6%	79.7%	75.4%	64.8%	68.1%	79.0%	81.2%	86.8%	82.3%	78.9%	80.6%	92.9%
2015	88.0%	80.0%	79.6%	67.0%	75.7%	84.6%	83.3%	81.0%	77.9%	71.4%	79.8%	84.4%
2016	70.9%	69.2%	66.5%	60.9%	64.9%	66.9%	84.8%	85.1%	77.9%	77.7%	79.9%	85.6%
2017	87.9%	75.5%	73.2%	68.1%	65.0%	54.4%	73.5%	70.7%	61.8%	62.3%	65.2%	62.5%
2018	70.4%	72.5%	59.1%	55.5%	52.3%	64.2%	65.3%	66.9%	61.3%	75.3%	84.3%	86.0%
2019	81.2%	83.1%	75.7%	70.6%	76.8%	71.4%	76.8%	77.6%	80.5%	76.4%	80.1%	82.8%
2020	85.2%	81.1%	80.8%	69.9%	70.5%	64.7%	79.6%	79.1%	75.7%	71.6%	73.1%	80.3%
2021	85.1%	80.0%	67.8%	67.7%	68.6%	71.7%	81.1%	77.6%	68.8%	82.0%	74.7%	81.0%
2022	75.5%	77.9%	73.1%	70.9%	75.5%	62.4%	79.6%	82.5%	79.3%	66.6%	72.4%	81.7%
2023	88.1%	75.6%	77.1%	62.3%	54.5%	60.3%	78.3%	83.9%	78.3%	76.6%	71.9%	85.1%
2024	87.6%	77.5%	69.7%	73.2%	68.7%	69.1%	83.5%	83.1%	76.3%	63.7%	82.8%	81.8%
2025	75.1%	75.3%	70.0%	68.8%	71.0%	75.0%	83.6%	84.0%	76.4%	69.1%	76.1%	82.4%
2026	73.4%	75.8%	71.7%	73.8%	60.9%	74.2%	M	M	M	M	M	M