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 (USC00116558) 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
2003	M	M	M	M	M	M	M	M	M	M	0.00	1.06
2004	1.91	0.36	2.56	0.63	4.31	2.29	5.67	1.81	0.10	0.64	2.23	0.64
2005	5.87	1.17	0.68	5.16	1.21	1.87	1.56	3.35	2.91	0.53	3.22	1.49
2006	1.95	0.62	5.48	4.52	3.01	1.71	1.17	0.55	3.81	3.62	3.37	5.83
2007	4.86	2.24	2.91	2.74	1.21	2.76	1.36	2.74	1.85	3.74	1.04	3.29
2008	2.01	2.52	7.58	1.55	4.37	3.11	4.58	1.82	3.28	1.02	1.86	2.77
2009	0.53	1.86	1.10	6.25	3.80	3.92	1.14	0.22	0.24	0.00	0.39	0.00
2010	0.45	0.51	0.22	1.30	1.31	1.66	2.29	0.56	1.22	0.35	2.45	0.91
2011	0.89	2.34	2.39	8.10	2.39	0.12	0.17	0.00	0.22	0.11	0.23	2.02
2012	2.75	0.91	1.30	3.70	1.04	0.48	0.02	2.11	4.84	2.35	1.14	1.16
2013	5.38	1.87	1.72	4.43	4.48	7.19	5.57	0.61	0.80	4.74	2.20	3.44
2014	0.89	1.01	0.90	6.24	2.20	3.83	2.41	2.43	5.09	4.10	1.67	2.87
2015	1.04	0.92	3.76	2.68	2.14	5.65	2.18	0.30	0.62	1.09	4.05	4.90
2016	0.63	2.10	2.93	3.90	3.39	2.82	3.24	4.27	2.42	2.87	2.57	1.22
2017	2.80	0.99	1.81	5.60	4.41	1.77	2.65	1.80	1.02	1.55	2.72	0.90
2018	1.00	2.85	3.65	1.62	1.67	1.53	0.86	1.74	3.92	0.49	2.22	4.16
2019	2.22	3.09	2.93	5.31	4.62	5.11	3.42	3.24	0.48	5.24	3.50	1.86
2020	4.01	2.71	4.60	2.86	3.73	2.18	3.30	1.87	0.33	3.52	4.24	1.41
2021	2.11	2.26	1.75	0.78	1.07	3.82	7.06	1.97	1.67	3.64	1.02	2.87
2022	0.90	3.73	3.56	2.46	4.78	0.52	6.06	3.25	1.41	1.39	1.15	1.96
2023	3.19	1.72	5.31	M	M	M	0.10	0.03	0.01	M	M	M
2024	M	M	0.04	M	0.09	M	0.02	M	M	M	M	M
2025	M	M	M	M	2.73	3.02	M	M	M	M	M	M
NCEI Climatology	3.48	2.74	3.58	5.06	4.91	4.88	4.23	3.53	3.58	3.73	3.63	3.06

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	M	M	M	M	12.8	8.6
2004	8.8	8.2	9.2	9.7	8.7	5.7	5.0	4.4	4.1	5.8	6.7	8.1
2005	8.0	7.3	9.1	8.4	6.9	5.5	4.3	3.7	4.2	5.0	9.6	7.8
2006	10.5	8.3	9.0	8.3	6.7	5.5	5.3	3.7	2.6	0.0	5.2	8.7
2007	9.6	8.5	9.2	9.7	6.4	5.2	3.9	4.1	4.1	6.6	7.1	7.2
2008	9.8	9.1	8.8	8.3	8.3	7.3	4.5	3.5	3.7	5.4	7.0	10.9
2009	8.4	10.2	9.8	9.6	5.3	5.6	4.0	4.4	4.3	6.6	6.2	8.4
2010	8.1	7.1	6.9	8.1	6.8	5.3	3.5	3.2	5.2	6.6	8.2	8.4
2011	7.4	8.7	9.8	10.2	8.1	6.4	3.4	3.8	5.6	5.9	10.0	6.8
2012	9.7	8.0	8.7	8.2	6.5	6.0	4.7	4.3	5.0	9.2	5.3	8.2
2013	8.9	9.4	8.8	8.9	8.1	6.0	4.6	3.5	4.1	5.7	7.7	7.7
2014	10.4	7.9	9.1	8.9	7.3	6.6	5.0	3.6	4.3	6.9	9.1	7.1
2015	8.1	8.8	7.1	8.4	8.2	6.3	4.2	3.6	3.9	7.0	7.3	8.5
2016	9.2	9.6	8.9	7.8	4.3	6.1	4.2	3.5	4.2	6.3	6.2	7.7
2017	9.3	9.0	9.9	8.9	8.5	6.7	4.7	3.4	4.1	6.2	7.7	8.5
2018	8.6	8.8	9.1	9.4	6.7	4.9	4.6	4.3	4.1	5.9	7.6	7.6
2019	9.1	8.8	8.7	8.6	7.3	6.7	4.6	3.7	4.1	6.1	6.8	7.0
2020	7.3	8.1	8.6	8.2	6.8	6.4	3.7	3.2	4.5	5.8	7.8	7.1
2021	7.2	8.5	8.3	7.5	5.8	5.7	3.4	3.5	5.0	5.7	6.7	8.4
2022	8.9	8.7	9.6	9.5	7.7	5.0	4.4	3.8	4.4	6.6	7.5	7.5
2023	8.0	8.4	9.5	M	M	M	7.0	4.1	3.4	M	M	M
2024	M	M	10.1	M	6.2	5.1	5.5	M	M	M	M	M
2025	M	0.0	0.0	M	8.6	6.1	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
2003	M	M	M	M	M	M	M	M	M	M	53.60	42.02
2004	34.15	41.06	54.99	66.20	77.17	81.50	81.06	79.32	79.82	66.32	54.68	44.60
2005	73.54	45.20	49.40	67.22	74.74	85.34	85.65	87.34	83.18	68.06	56.90	36.99
2006	49.13	43.06	52.73	69.30	72.99	84.44	87.57	84.74	77.21	64.57	55.10	47.10
2007	40.83	32.18	61.32	63.44	80.95	84.50	83.56	90.99	84.56	72.41	54.14	42.92
2008	40.25	40.01	52.38	66.02	72.06	86.52	86.75	84.80	81.32	71.08	52.54	42.47
2009	35.49	46.32	60.21	66.31	75.99	86.64	81.76	83.57	80.89	62.68	60.13	41.00
2010	34.02	36.95	57.46	74.39	78.33	88.26	89.06	90.93	84.58	73.67	57.98	34.95
2011	32.05	44.32	53.46	67.64	72.82	84.02	89.31	86.12	74.84	68.46	56.60	46.11
2012	44.19	46.97	69.50	69.60	82.92	87.09	96.60	89.69	78.97	65.23	54.54	48.61
2013	41.56	43.24	46.89	65.60	77.58	83.22	84.85	86.52	82.97	69.10	51.90	40.37
2014	35.29	34.72	51.92	67.30	77.35	86.95	83.74	84.77	78.73	68.08	46.43	40.97
2015	37.85	31.65	49.62	66.17	77.54	82.36	84.44	83.57	82.75	69.26	58.44	50.61
2016	37.64	43.72	58.67	65.16	71.86	87.57	85.31	84.68	81.82	73.66	58.16	37.37
2017	42.68	53.61	54.47	69.93	73.76	84.66	85.87	81.67	81.96	69.01	54.17	40.24
2018	34.63	46.81	49.50	57.54	83.36	85.94	86.28	83.73	81.08	67.65	45.02	44.66
2019	34.82	41.31	47.81	65.41	74.44	81.56	85.56	82.99	84.04	66.88	46.70	46.64
2020	41.63	42.60	55.23	61.28	71.32	85.11	86.36	82.14	78.27	66.19	58.41	42.29
2021	37.76	32.94	58.20	64.19	71.95	84.48	84.30	85.56	81.10	71.07	51.77	53.04
2022	35.05	40.35	55.57	62.60	77.19	84.25	84.29	82.55	78.93	67.43	53.71	40.49
2023	44.21	50.69	52.26	M	M	M	89.00	82.21	80.60	M	M	M
2024	M	M	59.83	M	77.67	85.67	83.12	M	65.00	M	M	M
2025	M	77.00	74.00	M	76.61	80.73	M	M	M	M	M	M
NCEI Climatology	38.40	43.66	54.40	66.60	76.10	84.11	86.51	85.71	80.40	68.40	53.60	42.11

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	M	M	M	M	36.98	28.68
2004	19.52	25.30	35.08	44.48	58.30	60.38	62.89	56.39	51.92	44.66	39.20	23.12
2005	35.29	30.20	31.07	44.30	49.71	63.38	64.46	66.26	57.98	44.37	35.06	24.51
2006	33.16	24.67	34.26	48.08	53.19	62.00	66.08	64.40	53.60	42.34	36.38	30.43
2007	25.73	15.29	40.19	41.90	58.25	61.82	59.93	65.45	55.46	48.26	32.84	28.63
2008	21.61	26.66	34.38	43.46	52.15	65.60	66.84	60.97	58.04	44.77	34.09	25.75
2009	16.74	27.50	38.23	46.68	56.71	67.42	63.28	62.95	57.07	44.55	39.01	27.09
2010	20.32	22.51	36.66	49.84	59.47	68.82	69.07	65.73	55.42	43.51	33.45	20.18
2011	18.43	27.00	36.96	46.40	55.23	64.76	68.87	60.86	54.38	40.13	39.26	31.21
2012	25.38	27.90	44.12	44.91	57.94	58.39	68.95	59.96	54.66	45.19	32.37	32.32
2013	24.09	27.53	31.58	44.03	56.99	65.64	66.21	63.63	58.09	46.01	32.44	23.81
2014	14.91	15.97	28.83	45.70	56.50	66.09	60.17	65.69	52.92	46.27	27.46	29.47
2015	20.67	9.48	29.31	44.25	57.07	64.98	65.87	59.91	55.60	44.12	36.16	35.13
2016	20.25	26.01	38.63	40.87	51.40	63.64	65.47	66.07	56.65	48.00	34.88	23.39
2017	27.56	31.43	34.92	47.37	53.67	60.66	64.82	57.81	53.06	46.94	33.22	21.65
2018	16.19	27.01	31.42	35.73	59.41	65.10	63.57	63.50	59.13	43.94	29.16	29.03
2019	25.93	30.76	29.85	44.10	55.43	62.06	66.42	61.99	57.35	42.18	26.82	26.36
2020	27.54	25.44	36.59	39.80	51.39	61.81	64.95	60.40	51.68	39.90	34.66	25.43
2021	24.15	15.94	35.30	40.66	48.34	61.98	63.25	63.65	54.31	50.28	28.17	31.90
2022	16.21	20.69	33.77	41.40	55.83	60.94	66.64	62.02	53.31	39.10	31.71	24.67
2023	30.25	27.99	32.30	M	M	M	71.60	62.21	54.83	M	M	M
2024	M	M	39.62	M	57.73	64.89	61.52	M	65.00	M	M	M
2025	M	75.20	73.40	M	56.32	61.84	M	M	M	M	M	M
NCEI Climatology	22.79	26.54	34.69	44.50	55.39	63.40	66.29	63.99	56.20	45.60	34.80	27.50

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	M	M	M	M	M	M	M	M	M	M	45.29	35.35
2004	26.83	33.18	45.04	55.34	67.74	70.94	71.98	67.85	65.87	55.49	46.94	33.98
2005	51.92	37.70	40.23	55.76	62.22	74.36	75.05	76.80	70.58	56.21	45.98	30.75
2006	41.15	33.86	43.50	58.69	63.09	73.22	76.83	74.57	65.40	53.45	45.74	38.76
2007	33.28	23.73	50.75	52.67	69.60	73.16	71.75	78.22	70.01	60.34	43.49	35.77
2008	30.93	33.33	43.38	54.74	62.11	76.06	76.80	72.77	69.68	57.93	43.32	34.11
2009	26.12	36.91	49.22	56.49	66.35	77.03	72.52	73.26	68.98	53.62	49.57	34.05
2010	27.17	29.73	47.06	62.12	68.90	78.54	79.06	78.33	70.00	58.59	45.72	27.56
2011	25.24	35.66	45.21	57.02	64.02	74.39	79.09	73.49	64.61	54.30	47.93	38.66
2012	34.78	37.43	56.81	57.26	70.43	72.74	82.77	74.82	66.82	55.21	43.45	40.46
2013	32.83	35.39	39.24	54.82	67.29	74.43	75.53	75.08	70.53	57.55	42.17	32.09
2014	25.10	25.35	40.37	56.50	66.93	76.52	71.95	75.23	65.82	57.17	36.94	35.22
2015	29.26	20.56	39.46	55.21	67.30	73.67	75.16	71.74	69.18	56.69	47.30	42.87
2016	28.95	34.86	48.65	53.01	61.63	75.61	75.39	75.37	69.23	60.83	46.52	30.38
2017	35.12	42.52	44.70	58.65	63.72	72.66	75.34	69.74	67.51	57.97	43.70	30.94
2018	25.41	36.91	40.46	46.64	71.39	75.52	74.93	73.61	70.11	55.80	37.09	36.85
2019	30.38	36.04	38.83	54.76	64.93	71.81	75.99	72.49	70.70	54.53	36.76	36.50
2020	34.59	34.02	45.91	50.54	61.36	73.46	75.65	71.27	64.98	53.04	46.54	33.86
2021	30.96	24.44	46.75	52.42	60.15	73.23	73.78	74.61	67.70	60.67	39.97	42.47
2022	25.63	30.52	44.67	52.00	66.51	72.60	75.46	72.28	66.12	53.27	42.71	32.58
2023	37.23	39.34	42.28	M	M	M	80.30	72.21	67.72	M	M	M
2024	M	M	49.72	M	67.70	75.28	72.32	M	65.00	M	M	M
2025	M	76.10	73.70	M	66.46	71.28	M	M	M	M	M	M
NCEI Climatology	30.59	35.10	44.55	55.55	65.75	73.75	76.40	74.85	68.30	57.00	44.20	34.80

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
2003	M	M	M	M	M	M	M	M	M	M	61.2%	79.0%
2004	76.9%	77.0%	72.1%	61.9%	73.3%	71.4%	81.1%	79.5%	74.1%	77.0%	79.0%	78.8%
2005	76.1%	79.1%	69.2%	69.2%	68.9%	78.6%	83.4%	84.5%	76.9%	73.3%	68.2%	83.4%
2006	81.1%	75.4%	85.4%	82.1%	80.3%	65.2%	71.7%	78.7%	78.0%	M	77.9%	76.8%
2007	83.6%	74.0%	71.4%	62.7%	60.9%	66.7%	73.2%	70.1%	66.8%	71.7%	72.2%	83.5%
2008	69.6%	76.1%	72.6%	65.4%	66.0%	65.9%	74.4%	76.6%	78.9%	68.5%	72.2%	75.5%
2009	75.0%	72.2%	62.6%	67.9%	69.2%	69.9%	76.2%	78.5%	75.4%	75.2%	73.9%	77.8%
2010	79.0%	77.1%	73.8%	60.9%	71.0%	74.6%	79.4%	74.4%	64.6%	57.2%	68.0%	83.9%
2011	81.7%	77.1%	70.7%	72.4%	74.6%	70.5%	77.4%	72.8%	71.4%	70.9%	75.3%	79.6%
2012	70.6%	69.1%	61.4%	57.3%	60.3%	57.9%	62.5%	70.0%	79.2%	72.8%	77.4%	81.0%
2013	74.4%	73.5%	70.5%	64.0%	69.3%	71.3%	79.0%	78.1%	75.0%	77.6%	74.5%	83.0%
2014	74.1%	75.6%	69.6%	69.3%	72.3%	74.2%	76.2%	85.4%	81.6%	77.4%	74.6%	86.3%
2015	78.9%	73.2%	73.6%	67.5%	68.9%	78.0%	81.1%	78.8%	76.3%	70.0%	76.0%	85.1%
2016	76.3%	75.2%	74.7%	73.5%	76.9%	69.2%	83.9%	87.3%	82.9%	76.9%	78.1%	79.1%
2017	83.5%	72.6%	69.0%	72.3%	73.6%	68.3%	82.2%	82.7%	75.9%	78.0%	75.8%	73.3%
2018	76.9%	80.6%	72.2%	68.2%	72.9%	81.4%	80.3%	87.1%	85.2%	78.1%	84.0%	85.2%
2019	82.3%	82.4%	75.0%	74.1%	80.2%	76.6%	83.0%	85.6%	82.0%	80.0%	81.0%	84.7%
2020	83.9%	80.3%	79.5%	71.4%	77.2%	69.8%	85.3%	86.8%	79.1%	77.0%	73.4%	79.3%
2021	82.6%	77.2%	70.6%	69.3%	75.3%	79.4%	84.5%	85.0%	78.6%	82.7%	72.5%	80.5%
2022	73.7%	75.4%	69.3%	69.8%	74.7%	70.8%	84.4%	86.2%	80.5%	64.8%	71.8%	79.6%
2023	83.8%	71.7%	73.1%	M	M	M	72.9%	82.5%	80.4%	M	M	M
2024	M	M	66.5%	M	75.2%	69.4%	76.7%	M	M	M	M	M
2025	M	36.5%	36.4%	M	68.8%	75.3%	M	M	M	M	M	M