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 (USC00340179) 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
2005	M	M	M	M	M	2.00	2.52	2.68	2.53	2.34	0.03	0.04
2006	0.04	0.04	1.91	0.53	2.24	0.95	1.06	1.17	2.22	3.61	0.79	1.58
2007	0.67	0.38	2.92	0.86	4.93	5.36	1.91	1.51	1.58	4.31	0.00	0.59
2008	0.00	1.34	2.21	1.77	1.76	0.55	0.55	4.14	1.16	3.12	0.08	0.00
2009	0.06	0.17	0.80	3.40	1.73	1.44	1.79	0.80	2.89	2.34	0.17	0.63
2010	0.22	0.63	0.23	1.68	0.76	3.75	6.33	0.00	0.00	0.00	0.00	0.00
2011	0.00	0.00	0.00	0.00	0.00	0.04	0.00	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.04	2.72	1.02	1.59	0.29	0.85	2.33	0.43	0.44	0.28
2013	0.28	1.56	0.15	1.02	1.68	1.65	1.88	0.46	2.97	0.48	0.79	0.61
2014	M	0.05	0.42	0.30	4.32	4.60	3.86	0.44	0.71	0.68	1.56	0.04
2015	0.91	0.02	0.33	3.97	8.98	4.90	0.81	1.50	0.48	2.66	1.97	1.44
2016	0.35	0.54	1.30	5.55	3.11	3.23	3.24	1.89	3.16	0.83	1.13	0.51
2017	0.83	1.32	1.79	2.15	1.16	3.90	2.67	2.19	2.21	3.62	M	0.09
2018	0.05	0.28	0.52	0.69	2.56	1.95	0.56	2.20	4.30	7.95	0.12	0.88
2019	0.18	0.18	1.05	5.26	4.18	2.08	2.40	1.94	2.33	0.18	0.81	0.69
2020	1.24	0.06	4.36	0.55	1.91	1.25	2.40	0.93	1.47	1.26	0.18	0.81
2021	0.19	M	0.65	0.77	1.21	2.51	0.99	0.98	0.38	0.81	M	0.08
2022	0.24	0.35	0.39	0.30	2.46	1.30	0.09	2.58	1.21	2.87	1.08	0.42
2023	0.35	0.74	0.26	0.78	3.33	3.58	3.25	0.89	1.61	3.14	0.27	2.99
2024	1.86	0.41	1.14	1.40	6.09	2.40	0.68	0.02	M	M	6.83	0.06
2025	0.13	M	M	4.05	1.46	0.22	M	M	M	M	M	M
NCEI Climatology	1.15	1.13	1.71	2.36	4.07	3.88	2.43	2.96	2.56	2.69	1.40	1.31

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	11.8	9.2	7.1	8.1	8.7	9.5	8.9
2006	10.1	10.5	12.3	12.7	12.0	10.5	9.1	8.3	8.4	10.0	10.1	9.8
2007	8.3	11.0	10.9	11.5	10.0	9.6	6.9	8.6	8.9	10.5	8.7	9.2
2008	11.0	10.4	12.6	13.4	12.8	13.7	8.9	7.2	7.3	9.4	8.8	10.3
2009	9.3	11.4	12.5	12.5	9.5	9.3	7.7	8.5	7.5	9.1	6.7	8.0
2010	7.4	8.5	11.9	12.0	11.1	12.0	8.0	7.9	9.0	7.4	9.7	9.1
2011	9.2	11.5	12.5	14.9	14.7	15.3	9.3	9.3	9.2	10.2	11.7	9.3
2012	10.6	11.3	11.2	11.7	12.4	10.9	9.3	8.8	9.0	10.6	9.7	10.1
2013	8.8	11.0	11.6	13.5	13.1	12.7	10.0	9.3	9.4	11.4	11.2	8.5
2014	11.1	10.4	13.4	14.0	11.6	13.7	9.7	8.4	9.3	9.1	10.5	9.9
2015	9.5	10.6	8.6	12.0	10.8	10.2	9.9	8.6	9.4	8.7	9.9	8.9
2016	8.7	10.3	12.7	10.5	11.0	9.6	10.2	7.9	8.3	9.6	8.5	9.5
2017	9.5	10.2	12.6	13.3	11.4	11.9	8.0	7.3	8.8	10.2	9.2	8.7
2018	10.3	10.9	10.9	12.5	11.3	13.1	7.8	8.6	9.3	8.3	8.8	10.0
2019	9.7	10.7	10.8	11.3	11.4	10.1	9.2	8.6	9.1	11.3	9.2	8.3
2020	9.8	10.7	9.7	11.9	11.4	13.0	10.1	8.8	7.6	10.1	10.0	9.6
2021	8.9	11.4	12.8	12.2	12.2	9.9	7.9	8.7	9.2	10.1	9.0	9.3
2022	10.0	11.1	12.1	14.9	14.2	11.7	10.1	8.6	8.8	8.9	10.4	9.6
2023	9.8	10.7	11.6	11.4	9.5	10.1	10.0	9.7	10.4	11.4	9.4	9.7
2024	10.4	10.9	11.2	13.2	12.1	12.7	10.9	10.6	9.4	11.6	10.9	9.5
2025	10.4	11.2	M	13.4	10.2	10.9	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
2005	M	M	M	M	87.01	93.47	92.80	89.32	87.90	74.63	68.32	52.22
2006	63.30	58.39	69.34	84.01	88.19	96.12	99.75	96.28	82.23	73.49	62.94	51.61
2007	45.37	50.86	67.53	65.55	79.70	86.32	89.97	92.25	87.62	80.80	65.41	49.52
2008	55.63	58.59	67.71	75.01	86.04	96.53	95.33	90.73	83.58	76.23	66.80	54.30
2009	56.15	65.36	71.50	77.57	79.60	94.55	96.80	95.07	84.08	67.53	67.75	48.59
2010	51.21	49.43	64.67	74.84	84.48	96.99	91.73	97.24	88.48	79.54	65.23	55.34
2011	52.21	58.10	70.24	90.18	93.68	104.78	106.10	106.56	99.66	87.25	71.45	60.52
2012	59.05	56.70	72.65	79.79	88.40	96.02	101.15	98.02	90.02	75.08	70.34	55.52
2013	53.31	55.91	65.49	72.48	87.28	96.07	95.57	95.03	90.80	77.31	60.42	49.51
2014	55.05	52.84	64.25	77.91	87.92	92.52	92.32	97.57	88.04	83.03	60.04	52.42
2015	52.40	55.16	67.08	75.94	78.03	92.60	97.63	94.54	92.31	79.36	63.93	57.46
2016	53.06	65.29	70.90	75.34	81.32	93.37	97.38	92.88	86.89	81.68	69.35	53.33
2017	55.89	66.16	73.08	75.17	84.78	91.85	96.45	89.45	86.20	77.52	68.98	53.76
2018	55.97	57.46	71.24	73.97	92.57	96.83	99.96	95.39	85.04	71.61	61.15	52.35
2019	51.90	53.03	61.56	75.48	80.85	90.46	95.21	97.44	92.79	73.11	61.99	58.84
2020	57.46	55.62	68.34	75.04	85.31	95.51	98.68	96.48	83.50	74.68	68.31	57.64
2021	53.11	45.44	69.33	73.17	80.92	91.81	93.33	94.00	93.64	81.53	68.78	68.51
2022	54.92	56.40	69.38	80.78	90.73	96.29	103.99	97.75	92.77	78.20	60.41	54.76
2023	58.53	59.66	65.93	75.78	85.14	91.28	99.15	101.36	93.14	76.71	65.00	58.48
2024	46.57	62.35	67.77	77.24	84.61	94.82	96.51	101.56	91.22	86.35	65.78	58.65
2025	49.48	51.73	M	75.86	81.76	89.26	M	M	M	M	M	M
NCEI Climatology	53.60	57.70	66.61	75.90	84.09	92.80	97.20	95.80	87.90	76.40	64.50	54.10

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	64.29	68.28	69.13	68.74	62.90	50.39	36.10	26.54
2006	31.46	30.09	44.28	54.25	61.86	69.94	74.25	72.80	57.05	49.76	37.58	30.28
2007	27.37	29.11	45.34	43.35	61.04	66.77	69.81	72.06	64.57	51.13	37.97	29.28
2008	27.55	31.14	38.94	46.23	59.67	71.12	71.39	70.28	60.53	49.26	37.64	29.21
2009	24.74	34.80	42.67	50.16	58.12	69.77	71.22	70.75	62.91	47.70	42.61	26.25
2010	28.30	30.67	38.89	50.84	59.23	73.03	73.82	73.23	66.61	51.30	38.37	31.54
2011	23.64	28.21	41.93	44.66	54.98	73.62	80.11	78.00	59.00	50.15	39.25	29.50
2012	31.29	34.42	48.37	55.21	63.56	68.84	74.45	70.55	63.08	50.17	41.42	31.19
2013	30.78	31.61	38.34	44.15	58.20	70.29	71.46	72.26	66.29	51.42	37.23	25.91
2014	24.74	27.43	35.14	48.16	58.70	70.18	70.48	71.01	66.61	53.18	35.19	36.40
2015	30.07	29.08	40.63	52.18	58.27	69.93	73.25	71.58	67.92	53.73	40.59	34.58
2016	30.02	35.46	44.95	50.40	57.91	69.71	73.39	70.39	65.53	55.88	44.74	29.64
2017	29.53	37.75	46.11	51.69	56.37	70.00	72.84	69.38	63.22	50.30	41.98	30.10
2018	24.80	31.17	42.60	43.24	65.91	72.26	74.43	71.95	66.53	52.70	34.68	31.45
2019	36.15	38.48	39.05	50.45	60.05	67.70	71.53	73.63	71.36	46.26	34.45	32.00
2020	32.46	31.44	45.55	47.10	59.45	68.44	74.52	70.05	59.47	47.31	42.15	29.95
2021	32.07	22.34	42.06	47.14	59.39	68.88	72.27	71.49	64.62	53.58	39.86	36.67
2022	23.56	26.36	35.92	50.98	62.62	71.23	76.29	74.23	64.79	51.70	38.76	33.00
2023	31.83	32.72	39.29	46.25	61.33	67.89	72.15	72.86	67.88	52.21	39.32	34.09
2024	25.67	36.53	40.83	49.88	59.87	72.20	72.24	74.27	64.58	56.68	44.78	35.60
2025	25.79	26.20	M	51.56	57.95	66.65	M	M	M	M	M	M
NCEI Climatology	25.09	28.74	37.70	46.20	57.61	67.69	71.00	69.90	61.81	48.50	37.00	27.60

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	75.65	80.87	80.96	79.03	75.40	62.51	52.21	39.38
2006	47.38	44.24	56.81	69.13	75.03	83.03	87.00	84.54	69.64	61.63	50.26	40.94
2007	36.37	39.99	56.43	54.45	70.37	76.54	79.89	82.15	76.09	65.96	51.69	39.40
2008	41.59	44.87	53.32	60.62	72.85	83.82	83.36	80.51	72.05	62.74	52.22	41.75
2009	40.45	50.08	57.08	63.87	68.86	82.16	84.01	82.91	73.50	57.62	55.18	37.42
2010	39.75	40.05	51.78	62.84	71.86	85.01	82.78	85.23	77.54	65.42	51.80	43.44
2011	37.92	43.15	56.09	67.42	74.33	89.20	93.10	92.28	79.33	68.70	55.35	45.01
2012	45.17	45.56	60.51	67.50	75.98	82.43	87.80	84.29	76.55	62.63	55.88	43.35
2013	42.05	43.76	51.92	58.31	72.74	83.18	83.52	83.65	78.54	64.37	48.83	37.71
2014	39.89	40.13	49.70	63.03	73.31	81.35	81.40	84.29	77.32	68.11	47.61	44.41
2015	41.24	42.12	53.86	64.06	68.15	81.27	85.44	83.06	80.11	66.54	52.26	46.02
2016	41.54	50.38	57.93	62.87	69.62	81.54	85.39	81.63	76.21	68.78	57.05	41.48
2017	42.71	51.96	59.60	63.43	70.58	80.93	84.64	79.41	74.71	63.91	55.48	41.93
2018	40.39	44.31	56.92	58.61	79.24	84.54	87.20	83.67	75.78	62.16	47.91	41.90
2019	44.02	45.76	50.30	62.97	70.45	79.08	83.37	85.53	82.08	59.69	48.22	45.42
2020	44.96	43.53	56.94	61.07	72.38	81.98	86.60	83.27	71.49	61.00	55.23	43.79
2021	42.59	33.89	55.70	60.15	70.15	80.34	82.80	82.75	79.13	67.55	54.32	52.59
2022	39.24	41.38	52.65	65.88	76.67	83.76	90.14	85.99	78.78	64.95	49.59	43.88
2023	45.18	46.19	52.61	61.02	73.23	79.58	85.65	87.11	80.51	64.46	52.16	46.28
2024	36.12	49.44	54.30	63.56	72.24	83.51	84.37	87.92	77.90	71.51	55.28	47.13
2025	37.63	38.97	M	63.71	69.86	77.96	M	M	M	M	M	M
NCEI Climatology	39.35	43.22	52.16	61.05	70.85	80.24	84.10	82.85	74.85	62.45	50.75	40.85

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
2005	M	M	M	M	M	56.8%	60.9%	75.8%	69.4%	74.0%	52.1%	59.0%
2006	47.2%	51.5%	52.3%	47.6%	55.4%	47.7%	45.0%	54.2%	59.5%	64.0%	66.4%	74.0%
2007	79.6%	69.9%	70.7%	68.9%	75.0%	71.1%	69.7%	66.7%	67.0%	57.3%	57.7%	74.5%
2008	55.9%	59.4%	58.3%	56.6%	54.4%	51.4%	53.7%	65.7%	66.1%	62.1%	55.5%	54.9%
2009	48.8%	48.4%	54.9%	53.2%	67.6%	56.6%	53.7%	55.6%	65.6%	73.1%	66.7%	68.4%
2010	70.5%	71.0%	63.4%	60.9%	60.3%	55.2%	69.0%	53.9%	65.9%	52.8%	57.3%	57.7%
2011	58.9%	58.9%	52.6%	40.0%	45.2%	32.7%	32.2%	32.5%	38.8%	54.5%	62.4%	72.8%
2012	56.8%	64.5%	66.4%	63.9%	52.4%	52.8%	39.8%	42.8%	50.5%	52.8%	53.1%	57.3%
2013	64.8%	65.4%	56.3%	61.4%	54.3%	46.5%	50.1%	55.2%	52.1%	58.2%	60.9%	69.5%
2014	46.3%	60.5%	49.9%	47.7%	47.9%	59.3%	57.5%	49.2%	57.6%	52.8%	58.3%	73.1%
2015	60.6%	61.7%	65.0%	65.3%	73.5%	60.1%	55.3%	56.2%	54.1%	57.5%	68.7%	69.3%
2016	69.5%	51.8%	55.7%	62.2%	64.1%	60.9%	58.0%	62.4%	68.9%	62.8%	63.3%	60.0%
2017	60.9%	56.7%	56.7%	64.4%	54.0%	59.5%	56.7%	68.2%	62.1%	58.0%	58.3%	59.4%
2018	45.2%	59.0%	50.0%	47.4%	54.6%	51.0%	46.9%	54.4%	72.2%	73.0%	62.1%	65.7%
2019	67.9%	67.2%	58.8%	62.4%	70.0%	60.3%	56.3%	56.7%	61.5%	54.6%	63.7%	62.8%
2020	66.9%	62.2%	68.2%	59.2%	59.2%	50.3%	57.0%	53.1%	68.3%	60.1%	60.6%	61.6%
2021	67.7%	66.2%	57.0%	57.6%	67.1%	63.1%	63.1%	62.4%	50.3%	55.1%	53.1%	45.9%
2022	49.2%	55.6%	45.4%	42.6%	51.1%	50.9%	38.1%	49.9%	49.6%	53.1%	68.3%	62.6%
2023	57.6%	58.3%	56.4%	50.1%	63.9%	64.1%	52.1%	45.2%	55.2%	58.3%	67.3%	69.7%
2024	70.9%	65.3%	66.4%	59.2%	65.6%	60.6%	52.5%	45.5%	53.0%	43.3%	72.0%	68.0%
2025	60.2%	63.3%	M	64.9%	65.5%	71.0%	M	M	M	M	M	M