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 (USC00415618) 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	0.76	1.11	0.92	0.85	1.12	1.62	3.60	6.26
2012	2.16	3.56	4.80	1.99	0.49	1.53	1.62	1.57	2.27	1.43	0.95	3.81
2013	3.10	3.89	3.20	1.31	1.91	2.43	0.76	0.25	6.22	7.52	3.32	3.05
2014	0.85	1.68	2.82	2.90	6.87	2.01	3.45	0.03	0.20	3.48	5.33	2.40
2015	5.15	3.03	6.47	5.96	12.67	1.88	0.12	4.10	0.01	5.61	11.57	4.74
2016	2.12	2.12	10.16	11.59	2.74	2.88	2.07	4.42	0.94	0.32	4.23	3.60
2017	4.58	1.99	1.35	2.93	3.89	3.84	1.71	6.56	0.08	1.73	1.14	3.99
2018	1.59	9.11	5.85	3.36	1.32	0.83	1.01	1.63	7.46	7.71	5.19	8.89
2019	3.61	2.46	2.58	7.89	7.24	4.27	0.43	1.59	1.29	7.37	0.53	1.11
2020	5.26	5.87	5.92	6.02	5.26	1.93	5.84	2.29	4.04	2.05	0.72	7.41
2021	3.61	2.93	3.53	3.69	8.79	3.34	5.30	3.57	0.99	1.59	2.31	1.48
2022	1.35	3.18	5.36	2.65	2.11	0.82	0.40	5.18	1.09	0.07	1.91	1.94
2023	M	0.17	3.11	6.78	3.29	2.70	2.55	0.03	2.43	3.83	2.37	1.16
2024	9.39	3.08	4.31	13.47	9.96	5.84	6.09	0.74	1.75	1.19	6.44	9.33
2025	3.04	2.90	3.02	10.30	4.17	5.82	2.31	2.39	2.19	0.33	0.89	1.04
2026	0.17	0.90	0.15	2.81	2.49	4.42	4.80	0.34	M	M	M	M
NCEI Climatology	4.20	4.14	5.07	4.78	4.62	4.66	3.65	3.05	3.50	4.67	4.25	4.91

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2011	M	M	M	M	8.9	6.5	4.0	3.7	3.9	3.6	6.3	3.7
2012	5.6	4.8	5.5	4.9	4.1	3.3	3.2	4.1	3.3	4.0	4.0	5.1
2013	4.8	5.1	6.6	6.0	6.2	3.6	3.4	3.1	2.3	3.2	3.9	3.9
2014	6.5	5.1	5.5	6.3	5.0	4.3	2.7	3.3	2.7	3.8	5.1	3.7
2015	3.8	4.9	3.7	5.0	4.0	3.4	4.4	2.8	2.2	3.4	3.2	4.1
2016	4.4	5.4	5.7	4.4	4.1	2.6	4.2	1.7	2.1	2.2	3.0	4.2
2017	5.3	5.2	4.9	5.2	4.9	3.5	2.8	2.9	2.4	3.4	3.4	3.3
2018	3.7	4.7	5.4	5.5	3.3	4.4	3.0	3.6	1.7	2.9	4.1	4.2
2019	4.2	4.9	4.9	4.9	4.2	3.2	3.2	1.9	0.0	3.7	3.9	3.7
2020	4.2	5.6	5.4	4.1	4.9	4.0	3.1	3.0	3.7	3.4	3.3	4.4
2021	4.4	5.6	5.3	4.6	4.3	3.2	2.7	2.7	2.2	4.0	3.9	5.7
2022	5.1	5.4	5.6	6.5	5.4	3.4	4.8	3.4	1.9	1.6	3.8	5.2
2023	M	5.4	6.4	5.3	3.3	3.5	3.2	3.7	3.0	4.5	3.9	4.1
2024	5.5	6.7	4.9	6.3	4.6	3.2	3.4	1.9	3.4	2.9	4.3	4.5
2025	4.8	5.9	7.2	6.5	4.8	4.0	3.5	2.1	2.2	2.7	4.7	5.3
2026	5.5	6.0	7.4	5.7	4.5	4.9	3.5	4.0	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	88.06	96.74	100.34	104.35	92.54	80.25	67.22	56.21
2012	62.43	60.86	74.68	78.50	85.42	91.34	92.27	92.79	86.60	75.14	67.34	61.21
2013	56.97	59.13	64.92	74.06	80.60	89.12	91.88	95.41	91.68	76.35	61.69	55.71
2014	55.43	56.39	64.89	73.44	80.97	87.43	89.86	94.12	91.65	82.19	63.79	59.73
2015	56.13	57.08	66.01	78.46	83.93	91.68	96.92	96.24	92.69	81.32	65.76	64.17
2016	56.39	63.64	71.08	75.66	78.86	87.70	92.83	89.39	87.43	81.28	71.16	58.38
2017	61.95	68.79	72.67	78.53	80.83	86.59	91.95	86.12	87.44	79.35	70.56	57.05
2018	53.33	61.23	71.77	72.62	88.09	91.37	94.14	93.52	84.81	75.37	60.80	56.34
2019	54.57	58.46	65.10	74.41	82.71	86.43	90.02	94.05	92.55	74.93	64.45	61.96
2020	59.11	59.32	71.60	72.95	81.02	89.26	90.81	90.67	82.88	73.82	70.42	58.37
2021	54.60	51.81	69.73	72.09	77.83	87.22	88.73	89.98	86.67	81.05	66.59	69.67
2022	57.98	58.36	68.51	76.11	85.58	92.82	96.25	91.16	87.29	79.31	64.10	58.51
2023	M	72.20	71.53	73.47	83.37	89.97	92.46	100.24	89.78	78.26	65.57	62.49
2024	53.87	67.64	70.51	77.31	82.75	90.56	89.57	94.29	87.17	85.29	72.06	62.64
2025	52.96	61.51	74.59	80.15	82.50	89.63	93.58	93.18	89.33	82.27	71.75	61.37
2026	57.51	71.44	78.70	78.91	83.80	90.18	94.05	97.01	M	M	M	M
NCEI Climatology	57.09	61.60	68.70	76.32	83.30	90.20	93.90	94.19	88.30	78.30	67.20	58.90

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2011	M	M	M	M	69.03	71.84	76.94	77.52	63.56	50.52	45.98	37.98
2012	37.46	42.12	52.26	56.48	62.66	68.24	71.66	70.03	63.56	51.86	45.44	41.99
2013	37.75	39.52	42.22	49.46	59.87	68.49	69.95	71.25	67.35	56.07	41.33	35.81
2014	30.03	36.35	41.12	52.23	59.65	70.85	72.89	73.36	69.52	58.79	39.24	43.93
2015	34.46	36.55	47.40	59.08	66.90	73.02	75.70	73.01	68.85	57.16	48.70	41.81
2016	34.51	39.73	48.72	54.31	60.40	69.99	72.33	71.76	67.10	53.96	46.21	41.81
2017	42.12	47.19	48.72	55.06	58.75	68.80	71.44	71.37	62.33	52.00	47.07	36.04
2018	30.91	44.50	47.45	47.04	63.50	70.66	71.33	69.89	69.55	57.35	39.49	38.90
2019	41.09	46.97	42.97	52.30	63.80	66.78	70.68	72.89	69.46	52.87	39.14	36.73
2020	39.85	37.54	53.08	52.15	60.36	67.89	72.59	70.13	65.15	51.96	45.12	35.47
2021	37.00	32.43	45.29	49.31	59.83	68.75	70.35	71.47	63.61	55.59	40.16	49.20
2022	30.95	31.76	41.28	53.48	64.11	69.40	73.22	71.77	62.19	51.79	43.62	39.54
2023	M	49.97	48.65	51.55	62.42	70.12	72.93	74.25	67.84	55.18	44.70	37.13
2024	32.10	46.11	51.11	56.70	66.75	70.74	72.72	72.80	65.29	54.62	49.58	43.65
2025	30.61	40.48	48.64	57.68	63.08	70.39	72.56	71.18	65.38	55.99	47.63	40.62
2026	33.99	43.21	53.28	58.99	62.38	72.76	73.07	72.70	M	M	M	M
NCEI Climatology	33.10	36.80	43.70	50.80	60.10	67.80	70.80	70.30	63.81	51.80	42.10	34.90

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	78.54	84.29	88.64	90.94	78.05	65.39	56.60	47.10
2012	49.94	51.49	63.47	67.49	74.04	79.79	81.96	81.41	75.08	63.50	56.39	51.60
2013	47.36	49.33	53.57	61.76	70.24	78.81	80.91	83.33	79.51	66.21	51.51	45.76
2014	42.73	46.37	53.00	62.84	70.31	79.14	81.38	83.74	80.58	70.49	51.51	51.83
2015	45.29	46.81	56.71	68.77	75.41	82.35	86.31	84.62	80.77	69.24	57.23	52.99
2016	45.45	51.69	59.90	64.98	69.63	78.84	82.58	80.57	77.26	67.62	58.69	50.10
2017	52.03	57.99	60.69	66.80	69.79	77.69	81.70	78.74	74.88	65.68	58.82	46.55
2018	42.12	52.86	59.61	59.83	75.80	81.01	82.73	81.70	77.18	66.36	50.15	47.62
2019	47.83	52.72	54.03	63.36	73.25	76.61	80.35	83.47	81.01	63.90	51.80	49.34
2020	49.48	48.43	62.34	62.55	70.69	78.57	81.70	80.40	74.01	62.89	57.77	46.92
2021	45.80	42.12	57.51	60.70	68.83	77.99	79.54	80.73	75.14	68.32	53.37	59.44
2022	44.47	45.06	54.89	64.79	74.84	81.11	84.74	81.47	74.74	65.55	53.86	49.02
2023	M	61.08	60.09	62.51	72.90	80.04	82.70	87.24	78.81	66.72	55.13	49.81
2024	42.99	56.87	60.81	67.00	74.75	80.65	81.15	83.54	76.23	69.95	60.82	53.15
2025	41.78	51.00	61.61	68.91	72.79	80.01	83.07	82.18	77.35	69.13	59.69	51.00
2026	45.75	57.33	65.99	68.95	73.09	81.47	83.56	84.85	M	M	M	M
NCEI Climatology	45.10	49.20	56.20	63.56	71.70	79.00	82.35	82.25	76.05	65.05	54.65	46.90

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	64.8%	58.4%	57.4%	49.2%	51.8%	60.5%	71.2%	79.8%
2012	69.0%	72.7%	69.6%	72.0%	69.3%	66.4%	70.2%	65.1%	70.9%	74.6%	69.5%	73.8%
2013	78.5%	70.6%	61.9%	69.7%	71.3%	71.4%	66.5%	60.0%	61.8%	77.5%	75.0%	79.8%
2014	55.0%	71.9%	70.3%	68.8%	73.1%	79.3%	75.5%	73.2%	71.5%	74.3%	70.9%	81.8%
2015	67.6%	70.9%	81.0%	76.4%	79.9%	76.6%	68.6%	66.0%	67.8%	65.8%	79.4%	78.6%
2016	71.9%	61.2%	68.5%	72.0%	75.9%	77.9%	72.3%	78.6%	76.1%	71.9%	74.0%	73.8%
2017	72.4%	70.9%	69.4%	73.1%	73.8%	78.1%	75.5%	81.8%	71.8%	66.9%	76.5%	71.5%
2018	64.3%	82.0%	66.9%	69.3%	72.1%	70.2%	67.5%	66.0%	82.1%	82.9%	79.2%	78.1%
2019	74.5%	78.5%	68.1%	74.1%	79.2%	78.9%	77.0%	72.9%	71.9%	79.1%	75.8%	76.4%
2020	80.1%	75.6%	79.5%	76.2%	75.3%	74.4%	79.8%	75.3%	81.2%	79.8%	74.1%	77.6%
2021	77.3%	77.3%	71.2%	73.2%	80.7%	79.8%	80.2%	79.9%	76.1%	72.0%	76.6%	81.5%
2022	66.7%	72.5%	68.7%	69.9%	75.7%	69.8%	65.5%	76.1%	73.8%	68.4%	80.6%	75.9%
2023	M	73.6%	72.8%	77.8%	80.4%	82.9%	84.8%	64.9%	74.8%	79.3%	81.9%	74.8%
2024	79.1%	75.2%	81.5%	83.1%	89.1%	83.5%	87.7%	79.2%	80.9%	70.8%	84.9%	83.6%
2025	75.3%	80.1%	67.6%	80.1%	84.0%	86.3%	83.3%	79.4%	80.6%	77.6%	80.5%	81.3%
2026	74.6%	67.6%	70.7%	84.5%	83.4%	85.9%	80.4%	69.4%	M	M	M	M