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 (USC00414098) 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
2007	0.08	0.01	2.15	0.38	1.08	1.39	0.06	0.45	0.06	0.48	0.00	0.00
2008	0.00	0.03	0.00	0.00	0.00	0.01	0.00	0.01	0.00	0.03	0.01	0.00
2009	0.00	0.13	0.02	0.20	0.50	1.26	0.49	0.04	0.03	0.02	0.00	0.01
2010	0.00	0.01	0.02	0.01	0.04	0.00	0.01	0.01	0.00	0.04	0.22	0.03
2011	0.00	0.00	0.04	0.00	0.02	0.55	0.40	0.47	1.06	0.82	0.08	0.12
2012	0.01	0.04	0.21	0.45	2.49	1.99	0.85	0.29	1.46	0.37	0.07	0.12
2013	0.27	0.25	0.14	0.00	0.59	1.89	3.44	0.65	0.54	M	0.23	0.12
2014	M	0.02	0.03	0.07	2.70	3.92	3.82	1.56	2.17	0.26	0.06	0.04
2015	0.53	0.05	0.21	1.24	6.77	0.93	4.06	1.02	0.98	3.55	0.36	0.08
2016	M	M	M	1.37	0.81	0.53	0.24	3.69	1.64	0.13	1.02	0.03
2017	1.01	0.24	1.82	0.90	0.98	1.81	1.49	0.94	0.04	M	0.03	M
2018	M	M	0.30	0.52	0.33	0.80	0.86	0.14	0.06	3.96	0.03	0.40
2019	0.03	0.15	1.58	1.35	1.54	3.02	1.52	1.23	0.09	0.10	0.51	0.49
2020	0.04	0.08	0.93	0.03	0.36	0.67	2.11	0.52	0.72	0.15	0.17	0.01
2021	0.20	M	0.24	M	0.31	2.43	4.68	0.55	M	0.04	M	M
2022	0.10	M	0.04	M	0.34	0.52	3.10	1.04	0.04	0.30	0.13	0.19
2023	0.16	0.17	0.11	0.31	4.03	3.69	0.23	0.91	1.68	0.48	0.15	1.14
2024	0.32	0.29	0.11	2.33	1.12	0.91	0.21	0.88	0.57	M	2.69	0.02
2025	0.01	0.06	0.10	2.38	2.37	2.34	1.92	0.86	0.28	0.21	0.47	M
2026	0.02	0.01	0.23	0.03	0.84	0.79	0.10	M	M	M	M	M
NCEI Climatology	0.64	0.47	1.22	1.09	2.09	3.34	2.34	3.04	1.86	1.85	0.69	0.72

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	9.7	11.1	10.3	12.2	10.0	9.7	7.9	9.7	9.5	9.0	10.1	10.7
2008	12.5	11.1	13.3	13.7	13.1	13.4	9.9	8.3	8.6	10.3	10.7	12.3
2009	10.9	11.6	13.1	13.9	10.8	10.5	9.2	10.0	8.8	11.1	9.7	10.2
2010	10.5	4.8	13.2	14.7	8.8	15.2	7.8	9.3	10.4	9.9	11.1	11.7
2011	10.3	12.2	11.4	14.6	13.8	14.5	10.4	9.4	9.1	11.2	12.5	11.0
2012	11.5	13.7	12.7	12.2	11.6	12.4	9.6	9.0	8.8	10.3	10.5	4.9
2013	0.0	0.0	10.1	13.4	12.8	13.6	10.7	8.8	9.0	10.8	11.3	10.1
2014	11.5	11.1	13.8	14.8	12.2	13.4	9.4	8.0	8.6	8.1	11.6	9.6
2015	9.2	10.6	8.6	8.4	0.0	0.0	0.0	1.0	9.5	9.0	11.3	11.7
2016	M	M	13.1	11.8	12.3	10.1	11.5	9.5	10.1	10.9	10.3	11.7
2017	11.0	11.8	12.4	13.8	11.5	10.9	8.9	7.1	8.5	11.1	1.1	0.0
2018	3.0	11.3	12.1	13.8	12.2	13.4	8.8	10.0	9.7	9.4	10.2	9.8
2019	10.6	12.5	10.5	10.6	11.0	10.4	9.2	9.1	10.8	10.2	10.4	9.6
2020	9.8	10.5	11.0	10.9	11.0	10.4	0.0	5.5	8.9	11.0	11.2	10.2
2021	9.9	9.5	12.7	12.0	12.6	10.1	7.1	8.8	9.8	10.0	9.1	11.9
2022	10.5	11.4	12.2	14.1	0.6	1.0	9.0	6.7	8.8	8.5	11.2	11.7
2023	11.4	13.6	12.1	12.5	9.5	7.2	9.6	8.7	8.3	9.6	9.4	9.6
2024	9.7	11.6	11.3	12.3	11.5	12.0	9.8	8.8	8.8	10.1	10.3	8.8
2025	9.3	10.6	12.8	11.8	9.2	10.1	8.6	8.6	8.7	9.9	8.7	9.8
2026	10.1	10.4	11.8	12.9	11.2	12.4	10.0	10.8	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
2007	39.56	53.92	64.52	64.58	74.74	83.66	87.34	89.95	82.58	76.25	64.16	50.93
2008	53.08	59.93	64.28	72.68	80.66	92.66	86.64	86.75	80.30	72.53	63.86	55.86
2009	56.56	63.66	68.52	73.28	80.14	92.85	90.84	92.27	82.68	69.39	66.02	46.14
2010	52.29	43.80	63.41	71.92	79.72	94.10	89.51	93.22	89.65	77.07	63.20	57.66
2011	53.97	54.39	69.67	78.56	83.56	97.82	97.61	98.31	84.26	74.45	62.06	42.80
2012	57.90	53.35	71.83	79.10	83.04	91.52	93.32	93.20	84.56	72.41	67.82	56.89
2013	50.26	52.31	65.79	71.06	83.93	92.07	88.85	91.82	87.34	77.45	54.57	50.26
2014	53.98	54.69	64.86	72.45	78.71	89.55	88.01	91.94	78.45	76.83	60.01	53.18
2015	48.17	57.03	66.70	75.54	75.71	88.79	91.82	91.22	89.28	73.97	63.48	57.07
2016	M	M	72.68	73.86	79.94	93.09	97.82	90.44	84.06	82.03	67.01	54.60
2017	54.14	65.76	72.27	72.86	81.34	93.99	94.12	85.25	82.91	74.11	70.14	55.74
2018	57.35	59.77	70.21	73.23	91.33	95.79	95.25	92.99	84.21	69.30	58.57	53.29
2019	55.04	58.71	60.35	73.76	78.30	89.64	95.26	97.86	89.87	67.21	59.77	56.99
2020	55.54	53.50	66.93	73.20	86.72	95.29	98.14	97.34	84.76	75.14	67.49	55.67
2021	52.64	49.31	66.43	71.81	80.29	91.55	88.85	91.98	89.03	78.30	68.45	65.08
2022	55.71	54.46	65.97	78.05	88.07	93.43	98.95	89.69	90.12	73.10	58.21	56.23
2023	54.65	60.53	65.81	74.10	81.48	87.87	96.09	97.08	89.63	76.13	65.78	58.47
2024	49.89	62.18	67.05	74.93	85.16	92.88	95.79	98.52	89.60	83.04	62.96	60.28
2025	45.90	60.19	70.52	74.13	78.92	89.79	92.61	93.35	87.68	79.28	68.91	65.39
2026	55.46	69.91	80.23	80.54	85.45	93.57	98.25	99.88	M	M	M	M
NCEI Climatology	51.10	55.63	64.30	72.39	81.10	90.20	92.39	90.70	83.50	72.60	60.30	51.09

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	17.72	23.64	35.25	36.68	47.91	56.06	59.70	61.61	56.06	40.83	29.48	25.21
2008	21.95	24.49	29.39	36.38	47.85	59.42	62.54	61.26	53.06	43.96	33.08	24.45
2009	22.59	28.55	34.96	40.64	53.02	57.57	64.18	63.05	53.53	40.62	32.18	20.31
2010	21.05	24.70	32.45	42.58	50.37	64.64	65.35	63.56	59.08	44.62	29.12	27.15
2011	17.69	18.99	33.86	41.66	46.75	63.92	68.00	67.88	54.32	42.74	32.36	24.35
2012	25.55	26.41	37.11	45.26	52.15	62.54	65.10	63.01	53.72	41.35	32.72	26.48
2013	22.68	23.64	31.33	36.15	49.52	64.19	64.94	63.44	58.01	43.01	27.76	20.48
2014	18.99	24.36	29.21	39.67	47.62	62.74	64.78	63.09	58.60	44.95	28.41	26.83
2015	24.28	24.97	32.43	41.01	50.12	62.86	66.33	64.11	61.46	49.65	32.91	28.00
2016	M	M	40.40	41.23	49.58	62.75	67.56	63.73	58.52	48.07	36.16	24.02
2017	25.92	31.66	36.64	44.86	48.24	62.52	65.72	62.89	56.51	45.19	37.02	22.33
2018	18.81	25.77	35.69	37.66	56.81	65.54	65.74	65.70	59.14	47.13	30.28	24.38
2019	32.07	35.73	34.44	42.35	50.69	59.71	65.56	67.62	63.63	39.38	30.25	26.56
2020	26.65	25.22	39.34	39.48	52.97	64.43	68.16	65.67	52.59	40.60	36.60	23.21
2021	24.53	18.62	34.17	39.60	53.94	64.46	65.02	65.81	59.30	45.57	32.98	30.30
2022	19.31	19.00	29.82	42.87	53.02	65.95	70.12	65.49	59.70	46.64	31.25	26.80
2023	26.66	27.84	34.43	39.84	54.38	60.97	67.48	66.93	60.37	45.87	34.97	28.95
2024	22.57	30.53	36.52	43.95	51.92	67.16	66.16	67.65	58.26	48.72	37.34	30.95
2025	21.97	26.61	35.40	45.43	49.76	63.73	66.59	65.94	58.15	49.06	35.06	29.58
2026	22.51	30.20	40.35	46.67	53.56	65.79	68.86	70.55	M	M	M	M
NCEI Climatology	22.50	25.41	32.40	39.70	50.30	60.60	64.79	63.50	55.80	43.31	31.30	23.80

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	28.64	38.78	49.88	50.63	61.32	69.86	73.52	75.78	69.32	58.54	46.82	38.07
2008	37.52	42.21	46.84	54.53	64.25	76.04	74.59	74.01	66.68	58.25	48.47	40.16
2009	39.58	46.11	51.74	56.96	66.58	74.75	77.39	77.66	68.10	55.01	49.10	33.23
2010	36.67	34.25	47.93	57.25	65.04	79.37	77.43	78.39	74.37	60.85	46.16	42.40
2011	35.83	36.69	51.76	60.11	65.15	80.87	82.81	83.10	69.29	58.59	47.21	33.58
2012	41.73	39.88	54.47	62.18	67.59	77.03	79.21	78.10	69.14	56.88	50.27	41.68
2013	36.47	37.98	48.56	53.60	66.73	78.13	76.90	77.63	72.67	60.23	41.16	35.37
2014	36.48	39.52	47.03	56.06	63.16	76.15	76.40	77.52	68.52	60.89	44.21	40.01
2015	36.22	41.00	49.56	58.28	62.92	75.82	79.08	77.66	75.37	61.81	48.20	42.53
2016	M	M	56.54	57.54	64.76	77.92	82.69	77.08	71.29	65.05	51.59	39.31
2017	40.03	48.71	54.46	58.86	64.79	78.25	79.92	74.07	69.71	59.65	53.58	39.04
2018	38.08	42.77	52.95	55.44	74.07	80.66	80.49	79.34	71.68	58.21	44.42	38.83
2019	43.55	47.22	47.39	58.06	64.50	74.67	80.41	82.74	76.75	53.29	45.01	41.77
2020	41.09	39.36	53.13	56.34	69.85	79.86	83.15	81.50	68.68	57.87	52.05	39.44
2021	38.58	33.97	50.30	55.70	67.11	78.00	76.93	78.90	74.17	61.94	50.71	47.69
2022	37.51	36.73	47.90	60.46	70.54	79.69	84.53	77.59	74.91	59.87	44.73	41.52
2023	40.66	44.18	50.12	56.97	67.93	74.42	81.79	82.00	75.00	61.00	50.37	43.71
2024	36.23	46.36	51.79	59.44	68.54	80.02	80.98	83.09	73.93	65.88	50.15	45.61
2025	33.93	43.40	52.96	59.78	64.34	76.76	79.60	79.65	72.92	64.17	51.98	47.48
2026	38.99	50.05	60.29	63.60	69.50	79.68	83.56	85.21	M	M	M	M
NCEI Climatology	36.80	40.52	48.35	56.05	65.70	75.40	78.59	77.10	69.65	57.95	45.80	37.45

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
2007	88.1%	73.8%	70.7%	71.6%	66.1%	64.0%	63.2%	62.1%	68.2%	51.0%	51.9%	67.2%
2008	50.6%	54.8%	52.1%	43.5%	47.4%	46.2%	61.4%	64.3%	66.7%	66.2%	54.8%	49.6%
2009	46.5%	41.5%	44.1%	46.4%	58.4%	54.6%	57.9%	55.0%	60.3%	66.3%	56.8%	66.2%
2010	60.2%	78.4%	58.4%	52.6%	54.8%	53.1%	66.7%	57.0%	55.8%	50.1%	49.6%	52.2%
2011	52.4%	55.0%	47.2%	31.4%	27.8%	26.7%	37.4%	39.1%	47.1%	53.4%	51.8%	78.6%
2012	49.5%	58.0%	46.0%	45.1%	43.7%	49.7%	45.6%	44.7%	49.7%	52.8%	48.3%	47.4%
2013	63.4%	58.9%	45.6%	44.0%	39.4%	48.6%	55.0%	54.4%	51.8%	42.2%	60.0%	58.4%
2014	43.1%	52.6%	40.3%	37.8%	38.1%	63.4%	68.3%	60.5%	80.2%	65.8%	58.7%	71.1%
2015	73.6%	67.5%	63.0%	52.1%	72.1%	65.2%	64.8%	64.4%	59.8%	71.4%	64.9%	62.7%
2016	M	M	45.8%	56.9%	56.4%	55.2%	45.7%	62.1%	67.5%	54.0%	62.0%	59.0%
2017	62.9%	52.2%	53.1%	60.8%	51.4%	51.7%	53.9%	75.7%	65.4%	63.7%	54.7%	56.3%
2018	42.6%	49.0%	39.0%	43.7%	41.9%	47.4%	49.8%	54.9%	68.9%	75.3%	62.5%	63.7%
2019	61.2%	54.7%	63.3%	57.4%	65.0%	55.1%	49.6%	49.4%	58.1%	63.4%	65.4%	61.4%
2020	61.0%	64.3%	62.1%	53.1%	46.9%	38.4%	48.6%	42.6%	54.2%	49.8%	55.1%	56.1%
2021	61.4%	59.9%	52.1%	45.2%	65.3%	54.7%	66.7%	58.2%	50.3%	50.7%	47.3%	39.9%
2022	49.1%	47.4%	41.6%	30.7%	36.8%	45.4%	42.2%	59.5%	51.3%	62.6%	60.5%	54.5%
2023	54.2%	47.9%	43.0%	39.4%	61.9%	62.0%	51.1%	44.3%	52.4%	55.2%	55.9%	63.0%
2024	65.8%	55.5%	50.8%	43.8%	47.8%	57.2%	47.7%	42.1%	51.6%	45.6%	68.4%	57.6%
2025	69.9%	53.5%	42.7%	58.6%	60.9%	63.4%	61.3%	57.3%	59.0%	56.7%	53.6%	52.3%
2026	53.9%	41.2%	35.4%	35.8%	47.2%	53.9%	44.8%	36.8%	M	M	M	M