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 (USC00219004) 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
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	0.00	0.57	1.26
2007	0.03	0.23	1.83	2.70	2.14	1.95	0.98	5.47	3.02	4.61	0.03	0.01
2008	0.02	0.01	0.49	1.74	3.00	2.80	2.17	1.08	3.12	3.04	1.43	0.10
2009	0.02	0.22	2.75	0.90	1.15	1.81	2.36	0.97	0.26	3.88	0.19	0.37
2010	0.69	0.00	1.02	0.48	0.32	6.39	15.24	18.08	5.72	1.52	0.57	0.76
2011	0.07	0.11	1.18	1.88	4.05	4.17	5.91	2.30	1.10	0.49	0.01	0.05
2012	0.07	18.92	1.07	2.17	6.67	4.39	1.42	2.15	0.06	0.67	0.61	0.29
2013	0.16	0.23	0.89	0.82	3.34	8.24	1.59	2.72	2.90	3.30	0.10	0.17
2014	M	M	M	0.04	0.56	5.24	0.98	4.83	2.04	0.51	0.21	0.13
2015	0.06	0.15	0.30	0.85	5.56	2.53	1.94	4.23	1.09	1.29	1.59	0.49
2016	0.02	0.33	0.99	1.27	2.66	4.09	6.81	2.33	M	M	M	M
2017	M	M	M	M	M	M	0.19	11.60	2.61	2.91	0.22	0.02
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	0.78	0.37	0.45	0.32	0.46	0.54	0.07	0.25
2020	0.02	M	0.24	0.15	0.38	0.38	0.11	0.15	0.06	0.08	0.03	M
2021	M	M	0.05	0.08	0.05	0.02	0.14	0.11	0.32	0.40	0.14	0.19
2022	0.03	0.01	0.32	0.49	0.50	0.16	0.32	0.20	0.16	0.16	0.24	0.23
2023	0.21	0.14	0.19	0.44	0.33	0.32	0.05	0.13	2.20	4.56	M	2.41
2024	0.01	0.44	0.32	4.85	3.49	4.50	0.72	3.46	0.25	0.30	1.91	M
2025	M	0.04	1.35	1.15	3.74	10.93	4.13	M	M	M	M	M
NCEI Climatology	0.68	0.70	1.39	2.63	3.33	4.79	3.99	3.89	2.64	2.40	1.42	0.84

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	M	M	M	M	9.6
2005	8.6	8.4	9.2	10.0	11.5	8.3	7.6	6.4	8.1	8.0	10.4	7.6
2006	9.6	8.9	10.0	10.2	10.4	7.5	6.0	6.3	M	5.8	8.5	9.1
2007	9.3	10.1	10.2	11.2	11.6	9.3	6.4	6.4	8.6	9.7	10.5	8.3
2008	9.3	10.0	9.9	10.6	11.0	9.1	7.0	6.3	7.5	8.9	9.9	11.6
2009	10.0	11.0	11.2	10.8	10.3	8.2	7.4	6.6	6.0	8.4	7.2	9.6
2010	9.1	7.7	8.9	10.0	10.0	8.4	6.1	6.8	9.0	8.4	11.0	9.8
2011	9.0	10.6	10.8	11.9	11.7	10.7	6.3	5.2	7.0	8.9	9.1	8.1
2012	11.0	9.0	10.5	12.0	9.8	7.7	5.8	5.5	6.7	9.8	9.7	8.3
2013	10.7	9.8	11.2	11.7	11.1	9.2	6.5	4.4	7.5	9.0	10.6	9.3
2014	12.6	11.4	10.8	13.2	9.6	9.0	7.5	6.0	6.9	9.6	11.7	9.3
2015	9.9	10.1	9.9	11.9	10.5	7.5	6.5	6.5	7.1	9.4	9.6	9.2
2016	9.0	11.0	9.6	12.8	8.9	9.4	6.6	5.3	7.9	8.6	7.5	10.9
2017	7.8	6.3	11.2	9.8	9.9	8.9	5.8	5.6	7.4	9.2	9.5	10.3
2018	10.4	8.5	10.2	9.3	7.6	8.7	5.7	4.9	7.1	8.6	9.7	8.2
2019	9.5	10.2	8.9	9.7	9.1	7.7	5.7	5.9	8.1	10.3	9.5	8.1
2020	9.0	8.1	9.9	9.6	9.7	9.4	5.1	6.0	7.2	9.3	8.6	9.0
2021	8.7	8.4	10.3	10.9	8.2	6.7	4.8	6.4	7.1	8.1	9.9	9.5
2022	10.5	11.9	11.2	15.3	10.4	9.1	7.0	6.5	6.2	8.2	10.5	12.4
2023	7.6	9.1	10.5	11.5	9.4	6.9	5.5	6.4	7.2	9.7	9.7	10.0
2024	9.9	10.5	11.8	13.6	11.0	10.0	7.1	7.7	8.1	9.5	11.4	10.9
2025	11.9	10.9	11.6	12.0	10.6	9.6	7.4	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
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	34.40	46.13	35.75
2007	26.48	19.29	42.66	54.45	74.36	81.69	84.53	78.92	76.17	62.28	42.58	21.32
2008	20.54	23.20	36.41	53.47	66.97	76.59	83.52	80.89	72.29	59.87	41.82	22.30
2009	18.03	27.63	38.50	56.70	71.83	75.98	78.28	76.65	75.08	48.95	50.30	19.75
2010	15.86	19.91	44.19	63.08	68.58	75.32	81.35	81.47	66.74	61.90	39.62	18.59
2011	14.75	21.33	31.42	51.44	64.69	76.10	84.61	78.45	70.10	63.06	44.60	35.14
2012	31.54	34.05	54.94	63.44	72.12	80.90	86.29	80.37	76.76	56.68	44.06	24.63
2013	20.68	26.21	33.22	48.14	67.71	78.08	83.39	81.18	76.22	55.46	40.70	18.54
2014	18.99	16.31	33.80	50.78	67.71	77.60	79.26	78.92	71.24	58.94	30.02	28.98
2015	26.48	19.21	44.60	59.84	67.42	79.34	81.94	78.10	78.14	62.31	48.56	32.17
2016	23.35	32.00	48.78	57.26	71.14	80.24	81.01	79.61	72.02	59.99	50.54	24.57
2017	24.86	38.49	41.35	57.92	67.88	80.18	82.34	75.32	74.60	59.12	41.00	27.20
2018	26.13	22.29	35.48	44.12	76.48	77.90	79.26	78.05	70.88	50.46	31.82	30.61
2019	17.25	14.90	40.07	52.33	64.81	79.16	82.34	77.64	73.94	52.50	37.52	27.59
2020	24.74	27.03	42.34	54.98	67.71	83.84	83.95	81.06	70.88	51.57	47.42	34.09
2021	28.57	17.60	48.26	55.76	70.26	87.38	85.07	82.75	77.48	63.06	44.66	30.14
2022	19.11	22.61	37.69	45.92	68.87	83.24	84.72	80.32	75.01	62.60	40.28	22.44
2023	22.94	26.79	31.65	50.24	76.48	83.84	82.34	82.40	77.36	58.25	46.88	39.26
2024	22.94	38.64	43.55	56.96	70.90	77.24	81.18	77.81	79.28	65.79	41.00	28.17
2025	23.62	23.00	48.20	55.76	71.14	76.64	81.29	M	M	M	M	M
NCEI Climatology	20.50	25.88	38.20	54.00	67.60	77.91	81.50	79.40	72.11	57.40	40.10	26.41

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	25.47	22.87	18.52
2007	10.39	2.24	26.14	34.29	51.19	59.34	62.03	60.05	50.51	42.30	23.51	5.18
2008	1.60	3.13	18.45	33.24	44.68	56.11	62.07	58.16	49.95	37.89	25.57	0.24
2009	-2.45	9.76	23.06	36.59	45.18	56.78	57.14	57.66	53.66	36.30	31.04	6.34
2010	0.88	1.21	27.47	40.70	47.97	57.56	61.21	62.43	48.26	38.62	23.90	4.25
2011	-2.55	2.69	15.80	35.12	47.10	58.34	65.39	58.77	47.36	40.01	24.02	16.21
2012	11.68	14.74	33.57	38.72	51.34	59.18	66.49	57.66	47.00	36.65	26.54	7.32
2013	3.03	7.83	18.01	33.74	48.55	59.84	63.88	60.05	53.72	37.75	20.18	2.70
2014	-3.42	-4.51	16.15	32.30	46.86	59.78	59.64	61.73	49.52	37.98	14.00	18.35
2015	10.81	1.66	24.16	35.66	47.39	59.30	59.87	57.49	56.66	40.59	31.34	20.04
2016	9.47	17.85	31.30	37.40	47.68	59.48	61.96	60.80	54.74	41.12	32.72	11.10
2017	10.81	21.52	23.41	37.52	46.57	58.10	62.83	57.14	54.02	39.20	23.78	11.30
2018	8.44	-1.62	21.55	24.50	51.39	61.52	60.97	59.64	52.22	32.75	17.30	13.77
2019	0.65	-1.49	15.16	33.27	44.02	58.40	63.53	58.77	54.32	36.24	23.18	10.57
2020	8.66	5.50	27.88	31.52	47.91	61.52	63.53	61.09	49.58	33.39	26.84	14.70
2021	15.39	3.07	30.55	35.66	47.62	61.64	63.06	60.74	52.58	41.06	25.94	11.91
2022	-2.78	0.76	23.58	32.06	49.65	60.80	64.05	61.35	52.30	37.17	24.56	10.15
2023	8.02	4.42	13.30	32.12	50.41	61.94	58.71	61.32	54.38	39.20	23.18	24.57
2024	10.86	20.33	22.36	36.80	48.84	57.80	62.25	59.46	53.66	41.12	27.38	15.28
2025	4.32	1.85	25.44	34.82	47.68	59.00	62.60	M	M	M	M	M
NCEI Climatology	2.90	6.21	20.09	33.60	47.11	57.80	61.90	58.90	50.10	36.51	23.50	10.10

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	29.93	34.50	27.14
2007	18.44	10.76	34.40	44.37	62.77	70.51	73.28	69.48	63.34	52.29	33.05	13.25
2008	11.07	13.17	27.43	43.36	55.83	66.35	72.80	69.53	61.12	48.88	33.70	11.27
2009	7.79	18.69	30.78	46.65	58.51	66.38	67.71	67.16	64.37	42.63	40.67	13.04
2010	8.37	10.56	35.83	51.89	58.27	66.44	71.28	71.95	57.50	50.26	31.76	11.42
2011	6.10	12.01	23.61	43.28	55.89	67.22	75.00	68.61	58.73	51.54	34.31	25.67
2012	21.61	24.40	44.25	51.08	61.73	70.04	76.39	69.02	61.88	46.66	35.30	15.97
2013	11.85	17.02	25.61	40.94	58.13	68.96	73.63	70.61	64.97	46.60	30.44	10.62
2014	7.79	5.90	24.97	41.54	57.29	68.69	69.45	70.32	60.38	48.46	22.01	23.67
2015	18.65	10.43	34.38	47.75	57.40	69.32	70.90	67.80	67.40	51.45	39.95	26.11
2016	16.41	24.92	40.04	47.33	59.41	69.86	71.48	70.21	63.38	50.55	41.63	17.83
2017	17.83	30.01	32.38	47.72	57.23	69.14	72.59	66.23	64.31	49.16	32.39	19.25
2018	17.29	10.34	28.52	34.31	63.94	69.71	70.12	68.84	61.55	41.61	24.56	22.19
2019	8.95	6.70	27.62	42.80	54.41	68.78	72.94	68.20	64.13	44.37	30.35	19.08
2020	16.70	16.27	35.11	43.25	57.81	72.68	73.74	71.08	60.23	42.48	37.13	24.39
2021	21.98	10.34	39.40	45.71	58.94	74.51	74.07	71.75	65.03	52.06	35.30	21.03
2022	8.16	11.69	30.64	38.99	59.26	72.02	74.39	70.84	63.66	49.88	32.42	16.30
2023	15.48	15.61	22.48	41.18	63.44	72.89	70.53	71.86	65.87	48.72	35.03	31.91
2024	16.90	29.49	32.96	46.88	59.87	67.52	71.72	68.64	66.47	53.45	34.19	21.72
2025	13.97	12.42	36.82	45.29	59.41	67.82	71.94	M	M	M	M	M
NCEI Climatology	11.70	16.05	29.14	43.80	57.35	67.85	71.70	69.15	61.10	46.96	31.80	18.25

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
2004	M	M	M	M	M	M	M	M	M	M	M	79.7%
2005	84.4%	86.7%	77.2%	69.0%	74.2%	76.0%	76.1%	78.9%	74.4%	73.5%	78.7%	88.0%
2006	87.3%	77.9%	78.2%	65.2%	65.1%	64.0%	69.3%	75.4%	M	77.4%	70.5%	80.0%
2007	79.5%	77.7%	82.9%	66.2%	56.8%	60.0%	66.5%	78.1%	69.1%	75.3%	66.8%	86.2%
2008	81.1%	81.9%	78.6%	74.1%	62.3%	65.1%	68.2%	74.0%	76.8%	73.5%	81.1%	80.4%
2009	80.1%	80.2%	80.4%	64.7%	55.6%	66.2%	70.2%	79.1%	78.2%	84.0%	80.7%	83.8%
2010	84.3%	83.5%	79.8%	54.6%	62.2%	72.9%	75.3%	79.4%	80.3%	74.4%	81.8%	88.1%
2011	86.6%	84.9%	86.1%	78.7%	71.7%	73.1%	78.2%	82.5%	74.6%	68.8%	71.8%	79.0%
2012	80.0%	80.3%	82.1%	63.6%	66.9%	66.4%	74.7%	68.9%	47.9%	62.4%	73.1%	78.9%
2013	76.6%	66.8%	60.7%	57.9%	61.0%	61.4%	60.2%	69.6%	70.4%	71.4%	70.9%	76.7%
2014	73.0%	72.9%	71.2%	67.3%	61.4%	67.2%	65.3%	74.6%	73.1%	65.6%	74.9%	82.2%
2015	77.2%	69.9%	67.8%	54.8%	70.2%	69.2%	74.9%	79.8%	73.0%	69.8%	80.4%	90.6%
2016	85.8%	81.2%	77.7%	65.5%	59.9%	68.4%	76.7%	80.8%	78.2%	77.9%	83.0%	83.1%
2017	86.6%	79.2%	71.5%	70.9%	65.6%	61.0%	74.0%	82.2%	79.8%	73.3%	78.9%	78.1%
2018	78.9%	76.1%	79.3%	74.2%	61.1%	75.4%	78.0%	81.5%	75.9%	78.9%	84.6%	85.0%
2019	79.6%	82.8%	83.3%	76.8%	66.2%	62.6%	71.7%	73.5%	78.5%	72.0%	76.7%	83.4%
2020	81.9%	76.7%	77.6%	59.7%	57.5%	57.9%	72.1%	72.8%	68.2%	66.9%	74.6%	77.0%
2021	81.1%	74.1%	72.1%	63.5%	54.8%	47.7%	66.6%	67.9%	65.2%	73.9%	72.2%	78.6%
2022	75.7%	72.2%	71.4%	74.4%	62.7%	52.0%	67.4%	73.8%	68.6%	60.1%	75.3%	80.1%
2023	84.6%	78.8%	78.4%	71.5%	53.4%	61.1%	65.4%	70.4%	75.3%	81.8%	77.6%	88.4%
2024	92.4%	86.9%	63.5%	65.8%	66.0%	72.7%	80.7%	84.8%	73.7%	64.7%	89.1%	88.7%
2025	77.8%	77.9%	73.7%	70.4%	61.9%	80.0%	83.2%	M	M	M	M	M