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 (USC00340193) 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
2001	M	1.03	1.93	0.68	3.01	2.20	0.60	1.04	1.49	0.00	0.62	0.12
2002	0.74	0.81	0.12	1.49	1.43	4.88	4.90	2.25	1.29	4.42	0.11	0.13
2003	0.04	0.70	1.54	2.12	2.60	2.64	0.70	2.29	1.27	0.88	0.52	0.53
2004	2.05	0.22	2.54	2.66	0.01	3.63	1.64	2.66	1.24	1.78	2.59	0.11
2005	2.40	0.78	0.32	0.48	0.72	7.11	2.61	3.81	0.13	3.05	0.05	0.12
2006	0.11	0.00	1.08	0.66	2.04	1.20	0.68	1.77	0.43	0.25	0.10	4.17
2007	0.78	0.53	0.41	0.07	0.79	5.06	0.00	0.00	0.00	0.00	0.00	0.68
2008	0.00	0.72	0.89	1.59	3.07	3.10	2.09	0.86	4.93	1.69	0.03	0.17
2009	0.00	0.33	0.52	1.85	0.28	2.26	0.50	0.97	0.59	0.00	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	0.07
2011	1.93	23.56	0.36	0.73	0.03	2.19	0.62	0.98	1.77	0.00	0.00	0.00
2012	0.00	0.00	0.00	5.87	84.84	0.93	1.06	0.48	1.97	0.00	0.12	1.68
2013	0.00	16.76	1.17	3.28	1.58	1.79	1.40	1.46	1.70	0.74	0.07	0.52
2014	5.81	4.71	1.38	0.52	0.81	6.04	1.29	1.21	0.23	1.89	6.28	0.31
2015	0.28	4.21	0.20	2.11	0.28	M	3.04	0.84	0.38	0.37	4.78	7.37
2016	0.12	0.12	1.87	3.26	2.12	2.14	1.54	2.56	4.14	0.15	0.09	0.88
2017	1.97	0.04	1.85	M	M	M	0.00	M	M	M	M	M
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	0.06	M
2022	0.03	0.20	1.43	0.02	M	M	M	M	0.24	0.12	1.22	1.43
2023	M	M	M	M	M	M	1.06	2.55	4.16	0.98	1.20	2.05
2024	0.73	0.36	0.11	0.45	6.37	7.57	1.88	1.60	2.42	0.14	5.15	0.02
2025	0.36	0.06	0.26	4.81	2.37	7.06	0.93	M	M	M	M	M
NCEI Climatology	0.99	1.27	2.44	2.93	4.05	4.51	3.31	3.60	2.02	2.45	1.49	1.31

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	10.5	8.4	12.2	9.5	12.3	11.7	9.5	9.8	12.7	10.8	10.4
2002	10.5	11.7	13.0	11.8	12.1	13.0	10.4	10.5	9.9	7.0	9.2	8.5
2003	10.1	8.7	10.0	12.1	9.2	9.1	11.1	9.5	8.2	8.4	10.8	11.2
2004	9.6	10.2	10.9	10.6	12.4	10.6	10.2	10.4	11.3	9.4	9.3	9.8
2005	7.4	9.2	10.8	11.5	8.9	11.6	9.9	9.1	11.0	10.0	11.5	9.8
2006	11.5	10.3	12.6	12.4	10.6	11.7	10.7	9.5	10.9	11.3	10.7	10.8
2007	11.1	11.3	12.0	11.0	9.4	7.2	8.1	11.8	10.8	12.4	9.5	9.7
2008	12.2	10.9	12.0	12.8	11.6	12.2	10.8	9.1	9.6	11.5	8.1	10.8
2009	10.7	12.2	12.7	10.7	5.8	10.7	10.0	10.5	9.3	1.7	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	10.8
2011	10.0	12.0	12.6	13.7	13.3	15.5	10.8	9.0	10.2	12.0	12.7	10.1
2012	11.3	11.2	12.0	11.0	12.3	13.0	10.7	9.7	9.9	12.1	11.2	10.9
2013	10.5	11.2	11.1	13.4	12.0	12.4	11.5	10.1	11.3	12.5	12.4	10.2
2014	13.1	10.7	14.4	14.4	12.0	13.5	11.0	11.0	12.7	10.5	11.9	10.4
2015	10.4	11.2	10.1	11.9	11.3	M	10.8	9.6	12.2	9.6	12.8	10.8
2016	9.6	12.7	13.3	12.1	10.5	10.2	11.7	10.1	11.7	12.8	10.8	10.6
2017	10.9	11.3	13.8	13.1	10.5	11.6	10.1	8.6	11.0	13.5	11.1	11.5
2018	12.6	12.5	13.0	14.3	11.9	13.2	8.7	11.2	11.0	10.2	10.5	11.3
2019	10.7	11.9	12.0	11.7	10.1	9.8	10.8	10.2	12.3	12.6	11.6	9.9
2020	10.8	11.7	11.4	11.6	10.8	14.3	10.7	9.8	9.9	11.9	12.4	10.3
2021	11.3	12.4	14.1	12.8	11.1	10.0	9.2	12.2	11.6	11.5	11.0	11.0
2022	11.3	13.0	13.4	15.7	14.1	12.1	10.8	9.6	11.0	10.7	12.1	11.6
2023	10.8	12.1	13.5	13.3	M	M	11.1	8.6	9.9	12.1	9.9	10.6
2024	10.2	11.8	11.9	13.2	10.3	12.2	10.9	10.2	10.0	13.2	10.7	9.5
2025	9.9	11.3	13.7	12.7	9.8	11.3	10.1	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
2001	M	43.81	52.65	72.87	78.90	92.17	102.76	96.82	83.96	75.41	63.77	54.08
2002	51.99	51.89	58.52	70.95	78.15	89.95	92.17	93.20	86.25	64.05	56.94	44.40
2003	46.52	44.78	58.26	70.49	77.75	85.48	99.54	92.72	78.48	73.57	57.58	49.27
2004	47.06	45.81	63.30	67.03	84.97	86.97	91.03	88.39	87.35	71.50	54.15	52.96
2005	42.57	53.14	59.72	69.36	79.10	91.85	93.49	90.92	89.00	72.76	63.62	47.39
2006	59.12	52.12	61.79	78.14	83.50	93.56	98.66	94.30	82.46	73.34	62.78	51.28
2007	47.91	47.68	67.54	63.50	76.65	86.23	92.54	97.32	86.96	78.92	63.62	44.48
2008	51.45	51.11	61.67	68.30	80.43	92.84	96.16	92.21	81.68	72.53	62.26	50.77
2009	51.86	60.41	63.62	71.30	78.34	94.52	97.03	92.56	82.34	71.60	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	42.80
2011	43.96	48.06	59.58	72.50	81.80	99.80	103.48	99.57	83.78	73.81	57.80	46.28
2012	52.73	50.19	68.81	73.92	86.06	92.96	101.30	92.43	85.69	73.05	65.48	49.65
2013	48.91	48.01	55.23	62.06	77.12	91.76	93.20	93.20	87.86	71.25	56.36	44.86
2014	47.74	43.07	58.34	71.54	84.03	87.86	88.73	94.36	86.18	76.48	54.50	45.24
2015	48.44	47.04	63.63	71.24	75.38	M	95.00	89.60	89.90	74.21	61.70	50.75
2016	45.12	59.25	65.68	71.42	76.77	92.84	96.51	90.65	85.07	79.32	65.48	46.34
2017	48.61	62.09	63.89	69.02	79.50	90.68	96.05	88.26	85.88	74.68	62.18	50.23
2018	50.46	50.77	64.98	65.83	90.12	93.80	93.66	91.28	82.70	69.51	54.44	49.88
2019	47.21	44.02	55.98	71.12	74.33	88.70	95.00	93.78	91.46	68.00	60.40	52.19
2020	49.59	51.30	62.25	70.28	77.75	94.76	93.95	90.53	82.94	69.57	64.10	48.08
2021	48.84	39.07	63.70	68.36	75.49	92.00	92.91	95.35	91.82	77.06	63.98	62.08
2022	50.58	50.00	63.18	75.26	81.88	92.06	100.17	95.81	91.34	77.99	57.50	48.32
2023	50.64	55.66	60.34	71.66	M	M	98.12	95.75	89.30	74.62	61.94	53.77
2024	42.92	61.86	65.62	76.16	82.05	93.80	94.71	96.45	90.18	82.85	61.94	54.94
2025	41.99	48.84	69.97	73.10	78.34	82.76	M	M	M	M	M	M
NCEI Climatology	47.00	51.63	61.10	70.71	80.00	89.90	95.20	92.60	86.10	72.80	59.10	47.70

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	28.18	34.90	47.66	55.41	64.96	74.55	71.03	59.68	47.06	41.45	27.52
2002	25.72	28.66	29.59	48.18	54.31	67.16	70.24	70.25	61.87	47.44	34.45	26.90
2003	24.21	23.95	33.87	44.97	52.96	61.60	71.62	73.19	56.88	49.05	36.71	27.08
2004	24.71	26.15	41.53	46.60	57.84	64.70	68.07	66.02	62.04	50.32	38.80	27.24
2005	25.74	33.35	35.91	45.39	56.36	65.11	67.80	70.01	64.28	50.12	37.04	23.81
2006	30.20	25.31	37.52	48.62	57.14	65.96	72.35	72.01	56.60	47.21	35.12	30.20
2007	24.34	26.99	45.70	42.98	58.48	65.90	70.64	74.27	64.52	51.28	35.00	25.09
2008	25.26	28.75	36.24	43.46	55.57	66.20	72.41	70.85	59.78	48.61	36.37	24.99
2009	24.16	32.58	39.56	46.58	57.20	69.74	71.60	70.21	62.36	47.30	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	22.64
2011	18.70	23.42	36.59	45.44	54.50	69.68	75.49	74.09	57.50	47.45	34.94	28.86
2012	26.19	30.20	45.18	52.25	59.23	66.38	72.44	65.81	59.62	43.90	35.06	25.67
2013	23.84	23.26	32.06	39.98	53.48	65.84	68.18	70.29	62.18	46.92	33.08	21.33
2014	21.14	21.87	31.58	42.62	55.63	66.62	67.54	69.51	61.34	50.64	30.26	30.66
2015	25.40	22.16	36.89	46.88	57.56	M	74.07	68.00	65.00	50.99	37.70	30.95
2016	26.54	30.76	38.56	46.40	53.31	67.70	71.31	69.39	63.72	52.73	39.68	22.48
2017	26.48	32.71	38.04	48.44	54.01	67.46	72.41	66.61	63.02	49.19	39.38	26.02
2018	22.25	24.48	36.70	39.01	63.01	70.46	71.66	69.92	63.68	48.72	30.80	27.76
2019	26.72	25.51	34.38	45.86	54.18	64.52	70.09	71.54	68.66	42.63	31.80	29.04
2020	28.57	29.21	41.06	42.08	55.34	66.56	71.25	67.19	57.44	44.25	38.96	27.82
2021	28.57	18.24	40.07	42.44	54.12	67.76	69.22	70.67	64.22	51.16	37.70	30.78
2022	19.69	21.97	34.61	46.16	58.77	68.12	73.63	69.05	62.72	48.37	34.34	26.14
2023	28.40	27.18	34.90	43.73	M	M	73.28	70.09	64.10	49.83	36.68	33.86
2024	23.29	34.11	37.63	48.50	57.61	69.62	70.85	71.19	62.86	54.77	39.86	30.84
2025	19.98	22.61	39.08	47.60	54.82	59.00	M	M	M	M	M	M
NCEI Climatology	22.70	26.13	34.50	43.70	55.80	65.91	70.51	68.20	59.70	46.01	34.30	25.09

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	M	35.99	43.77	60.27	67.15	78.57	88.66	83.93	71.82	61.24	52.61	40.80
2002	38.85	40.28	44.05	59.57	66.23	78.56	81.21	81.73	74.06	55.75	45.70	35.65
2003	35.36	34.36	46.07	57.73	65.35	73.54	85.58	82.95	67.68	61.31	47.14	38.18
2004	35.89	35.98	52.42	56.82	71.40	75.83	79.55	77.21	74.69	60.91	46.47	40.10
2005	34.15	43.25	47.82	57.38	67.73	78.48	80.65	80.46	76.64	61.44	50.33	35.60
2006	44.66	38.72	49.65	63.38	70.32	79.76	85.51	83.15	69.53	60.28	48.95	40.74
2007	36.12	37.33	56.62	53.24	67.56	76.06	81.59	85.80	75.74	65.10	49.31	34.79
2008	38.36	39.93	48.95	55.88	68.00	79.52	84.29	81.53	70.73	60.57	49.31	37.88
2009	38.01	46.50	51.59	58.94	67.77	82.13	84.32	81.38	72.35	59.45	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	32.72
2011	31.33	35.74	48.08	58.97	68.15	84.74	89.48	86.83	70.64	60.63	46.37	37.57
2012	39.46	40.19	57.00	63.09	72.65	79.67	86.87	79.12	72.66	58.48	50.27	37.66
2013	36.37	35.63	43.64	51.02	65.30	78.80	80.69	81.75	75.02	59.09	44.72	33.09
2014	34.44	32.47	44.96	57.08	69.83	77.24	78.13	81.94	73.76	63.56	42.38	37.95
2015	36.92	34.60	50.26	59.06	66.47	M	84.54	78.80	77.45	62.60	49.70	40.85
2016	35.83	45.00	52.12	58.91	65.04	80.27	83.91	80.02	74.39	66.03	52.58	34.41
2017	37.55	47.40	50.96	58.73	66.75	79.07	84.23	77.44	74.45	61.93	50.78	38.13
2018	36.35	37.62	50.84	52.42	76.56	82.13	82.66	80.60	73.19	59.12	42.62	38.82
2019	36.96	34.76	45.18	58.49	64.25	76.61	82.55	82.66	80.06	55.31	46.10	40.61
2020	39.08	40.26	51.65	56.18	66.55	80.66	82.60	78.86	70.19	56.91	51.53	37.95
2021	38.71	28.66	51.89	55.40	64.81	79.88	81.06	83.01	78.02	64.11	50.84	46.43
2022	35.14	35.99	48.90	60.71	70.32	80.09	86.90	82.43	77.03	63.18	45.92	37.23
2023	39.52	41.42	47.62	57.70	M	M	85.70	82.92	76.70	62.22	49.31	43.82
2024	33.10	47.98	51.63	62.33	69.83	81.71	82.78	83.82	76.52	68.81	50.90	42.89
2025	30.98	35.73	54.53	60.35	66.58	70.88	M	M	M	M	M	M
NCEI Climatology	34.85	38.88	47.80	57.20	67.90	77.90	82.85	80.40	72.90	59.40	46.70	36.40

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
2001	M	81.9%	76.2%	67.5%	70.7%	56.9%	44.3%	46.3%	58.5%	48.1%	65.6%	57.7%
2002	54.6%	69.3%	61.9%	73.2%	74.4%	70.2%	69.8%	68.4%	64.6%	80.8%	74.0%	80.8%
2003	74.0%	82.2%	79.3%	74.3%	76.6%	73.6%	53.7%	62.5%	67.1%	73.5%	73.8%	73.3%
2004	77.3%	80.0%	74.6%	77.2%	67.7%	69.9%	68.4%	68.1%	62.9%	82.2%	92.5%	79.5%
2005	91.3%	87.8%	78.1%	76.3%	78.2%	71.9%	70.6%	77.0%	76.8%	82.3%	77.7%	77.7%
2006	59.5%	55.8%	62.1%	55.8%	62.5%	54.7%	51.7%	63.6%	57.1%	63.7%	62.6%	70.4%
2007	76.8%	74.7%	72.6%	76.2%	80.7%	74.7%	69.8%	62.4%	68.2%	61.4%	59.8%	81.5%
2008	63.6%	68.9%	66.7%	68.4%	69.5%	62.6%	60.0%	67.5%	71.7%	71.2%	67.9%	67.6%
2009	59.3%	58.8%	64.4%	68.7%	70.8%	60.2%	58.1%	66.4%	71.1%	42.9%	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	70.3%
2011	68.2%	66.8%	65.3%	55.2%	56.8%	42.6%	42.9%	50.1%	48.1%	55.2%	65.2%	76.6%
2012	58.3%	69.9%	72.2%	71.1%	56.5%	57.7%	42.5%	49.3%	53.8%	53.5%	56.7%	59.9%
2013	64.4%	69.5%	68.2%	71.2%	71.2%	59.0%	58.2%	63.7%	59.0%	63.3%	61.1%	65.0%
2014	53.6%	64.9%	56.4%	54.2%	53.3%	68.9%	64.7%	58.0%	59.5%	60.6%	59.8%	79.0%
2015	56.8%	67.5%	63.8%	68.7%	83.0%	M	65.1%	66.0%	60.2%	58.7%	70.7%	77.4%
2016	75.5%	52.7%	60.8%	66.7%	71.0%	62.8%	61.5%	66.9%	70.9%	64.6%	65.5%	63.7%
2017	66.9%	61.2%	62.3%	74.3%	69.7%	61.1%	58.0%	70.2%	62.9%	58.3%	63.4%	56.5%
2018	48.3%	60.8%	57.7%	55.2%	61.4%	60.5%	66.0%	64.0%	77.2%	76.5%	70.3%	66.6%
2019	73.9%	76.5%	68.7%	67.7%	82.0%	69.6%	58.2%	67.0%	68.1%	61.9%	61.6%	68.3%
2020	76.0%	67.3%	72.8%	67.7%	68.7%	54.2%	69.3%	69.5%	68.5%	61.8%	67.1%	75.3%
2021	70.5%	71.8%	66.0%	63.6%	77.9%	67.1%	67.0%	61.3%	53.4%	62.7%	58.5%	50.2%
2022	52.7%	55.2%	54.0%	46.7%	65.0%	60.4%	48.6%	53.5%	49.5%	42.5%	67.9%	67.9%
2023	67.1%	54.1%	58.2%	49.6%	M	M	56.5%	59.0%	61.8%	61.4%	71.7%	78.0%
2024	77.9%	67.1%	65.9%	54.6%	71.8%	65.6%	60.5%	60.5%	58.1%	50.1%	78.2%	73.3%
2025	74.8%	65.8%	52.6%	67.8%	72.8%	77.0%	M	M	M	M	M	M