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 (USC00045756) 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	M	M	0.01	0.66	1.23	0.00	0.21
2006	0.69	0.32	0.92	0.64	0.01	0.00	0.17	0.00	0.00	0.11	0.00	0.27
2007	0.01	0.27	0.00	0.03	0.00	0.00	0.00	0.38	0.22	0.01	0.57	0.11
2008	1.37	0.14	0.02	0.00	0.00	0.00	0.53	0.00	0.03	0.00	0.87	1.24
2009	0.12	0.99	0.08	0.00	0.05	0.03	0.00	0.01	0.00	0.00	0.01	0.60
2010	2.80	1.46	0.10	0.37	0.00	0.00	0.00	0.00	0.00	1.27	0.00	M
2011	M	M	M	0.01	M	0.00	0.02	0.00	0.00	0.00	0.66	0.17
2012	0.18	0.06	0.85	1.29	0.00	0.00	0.00	0.00	0.00	0.00	0.03	0.11
2013	0.25	0.04	0.16	0.00	0.11	0.00	0.00	0.00	0.00	M	0.52	M
2014	M	0.97	0.05	0.17	M	M	M	M	M	M	M	1.04
2015	0.76	0.36	0.01	M	0.07	0.01	0.59	M	0.73	0.38	0.08	0.01
2016	1.06	0.20	0.50	0.16	M	0.00	0.00	M	M	0.06	0.22	1.52
2017	1.92	1.06	0.01	M	M	M	0.00	0.03	0.03	M	0.00	M
2018	0.40	0.00	0.56	0.00	0.44	M	0.00	0.00	M	0.00	0.07	0.78
2019	1.52	0.97	1.03	0.15	0.63	0.00	M	M	0.21	M	0.89	2.31
2020	0.03	0.05	1.20	1.73	0.00	0.00	0.00	0.00	0.00	M	0.00	0.31
2021	0.25	0.04	0.00	0.00	0.00	0.00	0.02	0.00	0.49	0.31	M	1.04
2022	0.01	0.04	0.08	0.05	M	0.36	0.00	0.32	0.00	0.00	0.47	0.28
2023	1.44	0.58	1.06	M	0.01	0.00	0.00	2.35	0.00	M	0.04	0.82
2024	0.52	2.10	0.75	0.13	0.00	M	0.14	M	0.20	0.00	0.01	0.00
2025	0.32	0.55	0.78	0.02	0.00	0.00	M	M	M	M	M	M
NCEI Climatology	1.08	1.54	0.80	0.21	0.13	0.03	0.18	0.17	0.10	0.42	0.34	0.81

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	8.2	8.2	8.3	7.6	7.1	6.5
2006	7.7	6.4	10.9	11.7	10.1	10.1	10.8	9.3	7.8	8.3	7.3	6.0
2007	6.7	9.7	7.9	0.9	11.6	11.3	10.4	9.5	8.7	8.9	4.2	7.3
2008	7.4	7.5	11.1	12.8	12.0	11.4	9.4	10.4	5.9	5.9	5.0	8.0
2009	4.3	8.0	9.2	12.5	11.8	13.1	11.3	8.3	7.3	8.1	4.9	5.9
2010	4.5	6.6	9.5	11.5	12.9	12.1	11.6	10.2	7.0	7.3	7.4	M
2011	M	M	M	14.5	M	12.0	10.1	8.8	6.0	6.3	6.5	4.1
2012	5.8	9.6	11.1	9.8	11.8	12.3	9.5	7.4	6.1	8.2	6.1	8.0
2013	4.7	6.9	9.4	11.4	13.5	11.5	10.0	8.8	8.3	7.5	5.2	4.3
2014	4.4	9.5	9.1	10.8	12.6	12.6	10.5	10.7	7.6	5.5	7.3	4.2
2015	2.6	5.9	6.8	9.9	13.5	11.3	10.9	9.5	8.1	5.3	6.1	7.7
2016	6.5	4.3	10.2	11.1	11.5	11.4	13.2	9.4	8.7	8.9	4.6	7.2
2017	7.7	10.0	8.0	12.1	10.6	10.2	10.0	7.9	8.1	6.4	6.2	4.0
2018	4.5	7.3	8.6	11.5	11.4	11.1	9.5	11.0	7.5	6.4	6.6	5.1
2019	5.2	9.6	10.0	11.5	12.1	10.0	9.3	8.9	9.1	5.6	3.6	4.7
2020	6.1	6.1	9.8	9.6	10.8	10.9	10.6	9.0	4.8	5.1	5.7	5.4
2021	5.5	5.7	9.9	11.4	11.0	10.7	9.9	9.5	7.2	7.1	4.1	6.4
2022	3.7	5.2	7.9	11.8	12.0	9.8	9.7	7.8	6.9	4.9	6.8	6.3
2023	7.2	8.4	11.4	9.0	11.9	11.7	10.1	8.5	7.8	6.2	5.1	4.2
2024	7.4	7.7	11.0	9.4	11.4	11.0	8.5	8.7	6.4	5.3	6.3	5.0
2025	5.4	8.3	10.2	10.7	10.2	10.6	11.0	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	M	M	99.19	98.26	86.97	78.15	69.43	61.34
2006	59.76	64.93	59.68	70.10	87.32	97.07	103.06	97.49	91.60	77.97	70.86	58.51
2007	59.32	64.00	78.04	79.82	88.23	96.33	103.19	101.77	88.63	77.84	73.00	55.19
2008	53.89	61.56	70.26	76.15	82.77	97.17	102.26	101.65	95.48	82.24	69.58	54.93
2009	62.44	59.29	68.55	75.28	91.92	88.68	104.39	99.19	96.44	77.97	70.21	55.85
2010	58.09	60.55	65.44	70.13	77.85	94.27	101.91	98.52	96.89	77.86	70.46	47.00
2011	59.55	33.12	65.21	72.42	M	89.88	97.63	100.44	94.67	81.72	74.06	66.94
2012	63.83	75.84	68.10	84.09	89.47	98.07	98.22	101.69	94.01	80.86	77.64	66.97
2013	57.84	66.46	73.69	79.87	86.84	97.25	101.76	97.67	91.87	77.51	68.30	58.45
2014	65.25	68.57	71.57	78.04	86.03	96.15	101.05	96.88	93.77	84.68	69.77	56.75
2015	60.50	70.94	77.06	76.41	80.35	97.54	95.51	101.93	84.67	78.03	65.01	57.65
2016	59.49	70.99	72.92	78.37	84.62	101.86	104.27	102.52	92.54	81.77	70.91	57.89
2017	54.10	61.79	72.23	76.18	84.51	98.36	103.12	100.78	92.17	M	M	M
2018	M	59.92	65.44	78.73	83.43	96.22	104.71	101.54	95.94	79.04	69.76	57.74
2019	57.67	53.33	64.14	77.75	75.50	94.82	98.38	100.24	89.96	78.98	69.34	53.55
2020	61.01	67.17	62.92	77.67	86.93	93.03	101.29	103.44	97.51	87.81	69.10	61.14
2021	60.25	64.09	66.18	80.61	87.25	100.21	103.69	101.23	94.82	75.93	74.32	56.17
2022	60.03	65.03	71.52	77.93	84.92	95.67	101.90	102.99	95.04	82.48	62.22	56.23
2023	54.37	57.50	58.66	73.65	82.67	88.34	104.55	96.67	88.37	81.32	67.38	61.96
2024	60.54	60.38	65.79	76.29	87.12	100.18	108.29	101.90	96.58	88.68	66.00	67.14
2025	61.84	68.82	68.09	77.84	88.33	97.98	100.51	M	M	M	M	M
NCEI Climatology	57.90	60.48	66.51	71.59	80.79	90.79	97.20	97.20	89.49	78.40	66.21	56.50

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	71.34	64.19	52.70	45.59	36.31	30.97
2006	29.84	28.65	35.64	43.04	52.58	62.47	70.94	62.03	53.76	44.20	35.07	24.58
2007	22.10	33.75	40.46	49.36	53.35	59.63	67.52	67.20	54.83	44.48	34.50	27.65
2008	29.74	36.52	36.91	42.71	51.09	60.25	67.50	67.09	56.07	43.93	39.32	32.68
2009	28.50	33.70	33.62	39.64	56.12	57.23	68.01	60.74	56.70	42.28	30.88	26.96
2010	30.83	35.72	36.93	39.29	46.63	60.67	67.93	61.90	52.84	49.18	36.79	32.00
2011	28.55	16.18	38.11	43.24	M	56.92	65.69	61.82	59.13	44.14	33.17	22.70
2012	25.65	30.00	36.80	43.83	52.95	59.46	63.85	69.92	59.99	47.71	36.99	31.02
2013	23.27	27.07	42.29	47.50	53.33	61.71	69.42	63.28	58.08	40.79	36.60	25.06
2014	28.22	36.66	40.69	45.66	53.09	61.34	69.15	64.20	58.90	46.17	36.60	34.79
2015	31.61	35.97	39.84	42.61	50.75	63.25	65.55	65.24	53.80	48.24	30.78	26.23
2016	33.09	31.66	39.99	47.11	53.06	65.93	68.42	64.13	55.36	48.83	35.80	33.51
2017	35.12	39.94	38.91	45.23	50.66	60.72	69.61	66.10	62.34	M	M	M
2018	M	28.94	39.56	46.98	53.10	59.69	71.09	67.61	59.81	46.31	34.76	31.24
2019	38.52	37.53	39.60	46.35	48.85	61.07	68.44	64.30	57.11	39.23	31.31	32.32
2020	29.49	30.19	38.66	46.75	50.85	57.03	62.19	65.28	53.78	44.79	30.66	24.85
2021	29.23	32.09	34.08	44.82	52.83	64.23	71.30	65.27	57.13	43.25	35.86	30.70
2022	27.57	24.81	35.26	44.97	50.77	60.55	69.20	69.45	61.66	47.38	30.36	29.95
2023	32.66	28.26	36.36	41.19	51.54	55.69	66.76	62.59	55.83	43.52	30.01	32.07
2024	33.85	38.19	39.53	41.53	51.45	63.80	70.04	63.79	57.41	48.13	31.71	30.61
2025	24.62	37.95	40.00	44.17	53.46	61.84	64.60	M	M	M	M	M
NCEI Climatology	32.80	34.97	40.29	45.31	53.20	63.60	69.09	67.20	60.60	49.39	38.60	31.80

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	M	M	85.27	81.23	69.83	61.87	52.87	46.16
2006	44.80	46.79	47.66	56.57	69.95	79.77	87.00	79.76	72.68	61.08	52.97	41.55
2007	40.71	48.88	59.25	64.59	70.79	77.98	85.35	84.48	71.73	61.16	53.75	41.42
2008	41.81	49.04	53.58	59.43	66.93	78.71	84.88	84.37	75.78	63.08	54.45	43.80
2009	45.47	46.50	51.09	57.46	74.02	72.95	86.20	79.96	76.57	60.13	50.54	41.41
2010	44.46	48.13	51.18	54.71	62.24	77.47	84.92	80.21	74.87	63.52	53.62	39.50
2011	44.05	24.65	51.66	57.83	M	73.40	81.66	81.13	76.90	62.93	53.61	44.82
2012	44.74	52.92	52.45	63.96	71.21	78.76	81.03	85.81	77.00	64.29	57.31	49.00
2013	40.56	46.76	57.99	63.68	70.09	79.48	85.59	80.47	74.98	59.15	52.45	41.75
2014	46.74	52.62	56.13	61.85	69.56	78.75	85.10	80.54	76.34	65.42	53.18	45.77
2015	46.05	53.46	58.45	59.51	65.55	80.39	80.53	83.59	69.24	63.14	47.90	41.94
2016	46.29	51.33	56.46	62.74	68.84	83.89	86.35	83.33	73.95	65.30	53.35	45.70
2017	44.61	50.86	55.57	60.71	67.58	79.54	86.36	83.44	77.25	M	M	M
2018	M	44.43	52.50	62.86	68.26	77.95	87.90	84.57	77.88	62.67	52.26	44.49
2019	48.10	45.43	51.87	62.05	62.17	77.95	83.41	82.27	73.54	59.10	50.33	42.93
2020	45.25	48.68	50.79	62.21	68.89	75.03	81.74	84.36	75.65	66.30	49.88	42.99
2021	44.74	48.09	50.13	62.72	70.04	82.22	87.50	83.25	75.97	59.59	55.09	43.43
2022	43.80	44.92	53.39	61.45	67.84	78.11	85.55	86.22	78.35	64.93	46.29	43.09
2023	43.51	42.88	47.51	57.42	67.10	72.02	85.66	79.63	72.10	62.42	48.70	47.01
2024	47.19	49.28	52.66	58.91	69.28	81.99	89.17	82.85	76.99	68.40	48.85	48.87
2025	43.23	53.39	54.05	61.00	70.90	79.91	82.55	M	M	M	M	M
NCEI Climatology	45.35	47.72	53.40	58.45	67.00	77.19	83.15	82.20	75.04	63.89	52.40	44.15

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
2005	M	M	M	M	M	M	29.9%	26.5%	33.8%	47.1%	43.8%	54.1%
2006	59.0%	43.0%	55.5%	51.8%	35.5%	28.2%	29.0%	23.7%	23.6%	37.3%	38.7%	44.5%
2007	33.8%	47.7%	36.6%	32.9%	22.8%	21.4%	22.3%	22.8%	33.9%	34.5%	32.3%	54.0%
2008	62.0%	56.6%	35.9%	27.0%	30.9%	18.1%	27.1%	24.9%	25.9%	26.0%	50.2%	64.0%
2009	56.6%	62.2%	46.9%	34.2%	26.9%	35.8%	19.7%	21.7%	23.9%	35.2%	34.3%	55.8%
2010	59.4%	64.6%	46.1%	46.9%	33.9%	26.8%	22.1%	21.3%	25.6%	48.9%	46.2%	M
2011	M	M	M	42.6%	M	30.7%	31.6%	23.3%	28.9%	34.8%	52.3%	42.1%
2012	38.2%	42.2%	39.5%	39.2%	26.8%	23.0%	21.5%	23.9%	23.1%	35.4%	40.8%	56.0%
2013	40.2%	40.1%	36.4%	30.8%	29.4%	23.6%	24.5%	27.4%	28.1%	29.6%	45.5%	42.5%
2014	32.8%	42.1%	41.5%	31.5%	24.4%	19.3%	24.2%	25.4%	29.1%	29.3%	37.8%	71.8%
2015	65.0%	53.4%	37.7%	31.0%	38.4%	22.4%	35.8%	23.3%	39.0%	42.1%	37.2%	40.8%
2016	58.5%	44.2%	43.1%	33.5%	34.5%	19.2%	17.8%	18.5%	26.0%	34.7%	38.6%	52.3%
2017	74.3%	65.8%	48.5%	37.1%	35.0%	26.4%	22.7%	30.5%	52.0%	M	M	M
2018	M	36.0%	52.2%	32.7%	39.8%	25.6%	24.7%	23.0%	23.7%	33.9%	29.3%	60.9%
2019	65.9%	66.7%	56.7%	41.3%	49.5%	29.0%	23.4%	23.5%	32.3%	20.8%	34.3%	75.4%
2020	63.0%	43.2%	59.3%	51.5%	33.6%	29.1%	20.2%	23.4%	21.9%	28.0%	33.4%	37.9%
2021	49.4%	40.1%	39.5%	28.9%	25.2%	22.1%	21.6%	23.4%	28.1%	38.7%	36.4%	62.5%
2022	52.4%	35.8%	36.5%	32.2%	25.6%	24.4%	20.9%	23.9%	33.8%	31.2%	45.3%	64.4%
2023	67.8%	50.9%	61.3%	40.9%	41.0%	39.0%	19.1%	35.7%	44.1%	38.0%	38.7%	58.7%
2024	65.1%	70.3%	58.4%	50.8%	34.2%	26.0%	23.3%	24.5%	30.8%	29.3%	37.0%	36.9%
2025	35.5%	50.0%	51.3%	40.7%	34.4%	23.1%	23.0%	M	M	M	M	M