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 (USC00105980) 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
2008	M	M	M	M	M	M	M	M	M	M	M	0.00
2009	0.00	0.00	0.00	0.00	0.00	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	8.35	7.40	3.34
2011	0.75	0.65	1.49	0.79	1.34	0.15	0.12	0.12	0.09	0.85	1.38	0.42
2012	1.85	1.25	1.06	0.61	0.36	0.19	0.31	0.13	0.53	1.33	1.95	4.53
2013	3.09	0.70	0.90	1.11	0.58	0.26	0.46	0.23	0.96	0.41	0.51	0.80
2014	0.76	1.77	1.29	1.15	0.46	0.23	0.04	0.73	0.29	0.09	0.88	2.27
2015	1.29	0.57	0.43	0.72	2.26	0.07	0.43	0.27	0.73	0.58	1.69	2.44
2016	1.04	0.32	1.39	0.41	1.61	0.02	0.29	0.00	1.66	1.95	0.52	1.27
2017	1.26	1.37	0.65	0.74	0.51	0.23	0.02	0.07	0.43	0.18	0.54	0.35
2018	0.38	0.47	0.21	0.19	0.09	0.00	0.00	0.02	0.00	1.86	1.63	1.59
2019	0.63	2.38	M	M	M	M	0.00	0.00	2.39	0.43	0.56	2.15
2020	1.70	1.79	1.07	0.38	0.74	0.93	0.05	0.15	0.06	M	M	M
2021	M	M	M	0.00	0.43	0.03	0.14	0.23	0.15	3.42	1.14	1.32
2022	1.70	0.92	0.58	1.03	1.25	0.26	0.05	0.35	0.59	0.00	0.00	1.04
2023	0.02	0.00	0.76	0.50	0.56	0.73	0.01	0.65	0.61	0.40	0.78	0.90
2024	1.45	0.87	1.56	0.39	0.47	0.18	0.32	0.06	0.77	0.32	1.42	2.78
2025	0.67	2.47	1.78	0.12	0.39	0.00	0.63	M	M	M	M	M
NCEI Climatology	1.15	0.78	0.85	0.99	1.34	0.72	0.16	0.33	0.68	0.78	0.86	1.18

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	M	M	M	M	M	M	M	M	M	13.9
2009	12.7	9.5	11.7	12.1	9.3	7.6	7.1	7.8	9.1	12.5	9.9	10.3
2010	10.7	5.9	11.3	2.1	0.4	0.0	0.0	0.0	0.8	9.8	14.4	10.9
2011	11.8	11.3	13.4	15.5	12.6	12.0	8.4	7.2	7.6	11.0	11.5	8.6
2012	12.1	12.2	12.3	13.0	13.3	11.9	9.0	9.7	9.0	10.7	10.3	13.1
2013	12.2	14.9	13.2	15.0	12.6	10.9	9.4	8.9	9.9	10.6	10.2	12.3
2014	13.1	14.5	15.0	14.7	10.9	11.9	9.7	7.7	9.4	11.6	13.1	12.6
2015	9.1	13.2	12.6	13.6	8.9	9.1	10.0	10.5	9.8	11.0	13.6	13.3
2016	12.7	13.6	13.6	12.8	11.6	10.5	11.1	10.8	10.6	11.6	12.1	14.0
2017	11.0	12.7	13.5	15.6	12.1	11.8	8.4	9.3	6.4	2.4	11.4	0.0
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	10.4	14.2	12.0	13.2	12.8	11.6	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
2008	M	M	M	M	M	M	M	M	M	M	M	30.80
2009	36.77	38.63	47.17	56.70	68.13	74.80	88.90	85.55	81.91	52.01	48.07	28.85
2010	35.72	37.75	49.78	55.96	59.45	72.88	85.56	84.69	80.24	64.87	42.72	37.41
2011	33.35	38.00	47.25	52.93	60.31	70.98	86.45	90.92	82.03	62.12	43.97	37.08
2012	41.16	39.94	52.85	63.61	67.90	78.81	91.38	90.92	80.33	62.55	50.92	36.35
2013	25.15	37.39	51.63	56.24	68.63	80.98	91.57	90.21	74.65	58.16	49.31	34.27
2014	40.25	43.57	53.60	59.45	70.37	76.30	90.76	81.98	78.11	67.78	46.46	41.05
2015	37.43	51.03	60.25	60.09	67.77	85.06	84.21	86.80	79.56	68.53	41.34	33.88
2016	34.78	44.00	51.98	63.34	67.15	83.28	86.91	86.40	72.81	62.31	53.19	32.07
2017	27.90	42.76	56.24	56.09	68.42	78.81	92.57	89.41	74.45	59.43	50.89	35.39
2018	41.24	40.17	47.57	60.31	70.51	77.91	90.92	85.27	79.34	60.18	45.17	34.86
2019	34.36	35.13	M	M	M	M	78.08	84.40	70.97	51.10	49.28	33.97
2020	38.20	40.43	50.34	57.99	67.40	73.84	85.37	87.56	79.94	M	M	M
2021	M	M	M	78.35	66.75	85.26	90.85	81.89	76.83	59.95	50.98	40.15
2022	30.12	34.31	50.65	53.71	61.18	75.61	90.51	89.07	80.96	64.47	29.37	32.75
2023	27.94	17.96	40.40	54.71	69.40	71.55	89.21	83.42	73.97	60.62	46.45	39.04
2024	35.38	42.80	46.91	57.66	63.34	79.45	88.43	86.07	78.06	67.48	45.01	42.25
2025	34.55	40.84	51.10	59.74	69.21	72.45	85.93	M	M	M	M	M
NCEI Climatology	36.70	42.38	52.90	60.30	70.19	79.20	89.39	88.20	78.10	64.40	49.30	37.31

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	M	M	M	M	M	M	M	M	M	15.33
2009	21.75	21.30	27.75	33.82	43.00	49.42	55.72	52.32	47.87	35.98	24.39	13.00
2010	22.40	23.22	28.72	33.96	37.06	51.48	53.78	53.37	44.84	38.75	24.85	24.76
2011	18.41	19.91	30.66	31.39	38.90	46.13	55.85	54.93	46.19	37.74	25.78	14.22
2012	22.36	24.49	30.74	36.04	40.67	47.48	59.35	57.33	46.57	35.93	30.33	23.93
2013	8.62	23.17	30.06	34.44	42.63	50.11	60.25	57.72	50.68	33.06	26.31	15.20
2014	20.91	28.03	31.04	34.83	42.50	48.33	60.11	54.54	48.50	37.81	25.20	25.34
2015	23.85	30.10	32.26	33.92	43.53	53.47	56.26	55.03	47.68	43.25	24.18	20.79
2016	21.77	27.30	33.05	38.52	41.70	51.12	54.88	53.44	46.03	39.60	30.26	16.37
2017	10.73	25.87	34.08	35.04	40.15	49.53	57.73	55.02	44.59	31.44	30.85	18.08
2018	26.50	24.92	28.94	35.58	45.01	49.19	59.42	53.45	44.79	35.86	26.62	20.89
2019	20.18	21.51	M	M	M	M	78.08	52.12	47.53	27.64	24.75	21.86
2020	25.11	20.89	29.25	32.87	42.58	46.64	53.33	58.19	47.11	M	M	M
2021	M	M	M	48.47	40.36	54.43	60.25	53.58	45.26	37.95	30.36	23.16
2022	15.40	16.93	29.75	30.06	38.58	47.94	57.18	57.88	49.50	37.54	7.95	19.67
2023	17.78	7.34	27.37	31.25	44.62	47.32	57.70	58.31	46.36	37.27	25.66	24.57
2024	21.36	27.76	26.78	36.01	38.78	52.87	57.36	54.35	47.56	37.92	25.13	24.74
2025	16.95	25.00	31.98	34.04	42.83	50.12	58.72	M	M	M	M	M
NCEI Climatology	18.40	21.59	27.70	32.60	40.90	47.80	54.00	52.40	44.31	34.40	25.70	19.00

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	M	M	M	M	M	M	M	M	M	M	M	23.07
2009	29.26	29.97	37.46	45.26	55.56	62.11	72.31	68.93	64.89	44.00	36.23	20.92
2010	29.06	30.49	39.25	44.96	48.25	62.18	69.67	69.03	62.54	51.81	33.79	31.09
2011	25.88	28.95	38.96	42.16	49.61	58.56	71.15	72.93	64.11	49.93	34.87	25.65
2012	31.76	32.22	41.79	49.83	54.29	63.15	75.37	74.13	63.45	49.24	40.63	30.14
2013	16.88	30.28	40.84	45.34	55.63	65.55	75.91	73.96	62.66	45.61	37.81	24.73
2014	30.58	35.80	42.32	47.14	56.44	62.31	75.44	68.26	63.31	52.80	35.83	33.20
2015	30.64	40.57	46.26	47.00	55.65	69.27	70.23	70.91	63.62	55.89	32.76	27.33
2016	28.28	35.65	42.51	50.93	54.42	67.20	70.89	69.92	59.42	50.96	41.73	24.22
2017	19.32	34.32	45.16	45.57	54.29	64.17	75.15	72.22	59.52	45.43	40.87	26.74
2018	33.87	32.55	38.25	47.94	57.76	63.55	75.17	69.36	62.06	48.02	35.89	27.88
2019	27.27	28.32	M	M	M	M	78.08	68.26	59.25	39.37	37.02	27.92
2020	31.65	30.66	39.79	45.43	54.99	60.24	69.35	72.87	63.53	M	M	M
2021	M	M	M	63.41	53.55	69.85	75.55	67.73	61.05	48.95	40.67	31.65
2022	22.76	25.62	40.20	41.89	49.88	61.78	73.85	73.47	65.23	51.01	18.66	26.21
2023	22.86	12.65	33.89	42.98	57.01	59.43	73.46	70.86	60.16	48.94	36.06	31.81
2024	28.37	35.28	36.85	46.83	51.06	66.16	72.89	70.21	62.81	52.70	35.07	33.50
2025	25.75	32.92	41.54	46.89	56.02	61.28	72.32	M	M	M	M	M
NCEI Climatology	27.55	31.98	40.30	46.45	55.55	63.50	71.70	70.30	61.20	49.40	37.50	28.15

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
2008	M	M	M	M	M	M	M	M	M	M	M	83.0%
2009	79.9%	77.9%	64.1%	59.3%	52.8%	60.1%	44.3%	45.4%	42.6%	66.0%	65.1%	80.3%
2010	81.7%	83.4%	64.2%	53.8%	58.1%	58.5%	45.3%	42.9%	41.4%	56.3%	73.0%	83.5%
2011	78.5%	65.0%	68.4%	61.3%	63.4%	54.5%	48.6%	43.3%	47.9%	63.1%	64.3%	71.2%
2012	68.5%	71.4%	61.8%	51.5%	50.7%	44.2%	44.9%	40.5%	40.6%	43.7%	61.6%	65.0%
2013	72.6%	63.6%	50.1%	45.6%	43.9%	38.1%	35.1%	35.8%	55.4%	57.7%	62.3%	71.1%
2014	71.3%	67.2%	56.1%	52.0%	48.7%	45.7%	37.9%	58.0%	51.0%	50.0%	65.5%	75.2%
2015	81.9%	58.5%	47.2%	50.4%	61.3%	46.2%	47.2%	44.0%	40.3%	49.2%	56.8%	67.2%
2016	72.2%	63.9%	54.4%	51.3%	48.9%	37.1%	33.2%	34.0%	47.4%	53.8%	57.6%	68.3%
2017	72.9%	63.4%	54.7%	50.4%	46.5%	41.3%	35.2%	33.4%	46.0%	48.1%	57.6%	69.2%
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	65.4%	63.6%	48.3%	48.8%	34.9%	35.1%	M	M	M	M	M