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 (USC00155524) 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
2006	M	M	1.71	3.04	2.76	2.29	2.26	6.56	7.12	1.76	1.21	2.79
2007	3.40	1.34	3.12	2.86	1.77	2.22	4.54	0.64	1.08	1.90	3.14	3.73
2008	3.70	2.30	3.32	4.79	4.31	1.02	2.71	1.49	0.33	1.16	2.42	5.39
2009	5.76	2.08	4.00	4.82	6.90	5.44	4.49	0.97	4.82	4.03	0.74	3.83
2010	4.72	2.30	1.56	4.06	8.28	2.92	6.04	6.11	3.07	1.88	0.52	0.04
2011	3.10	5.00	4.15	9.41	6.68	3.68	2.39	1.59	5.20	3.41	5.46	3.41
2012	3.21	1.93	4.43	0.91	5.02	0.58	7.45	2.36	1.43	2.85	0.84	1.92
2013	4.41	1.55	4.69	4.24	3.42	4.07	6.81	4.39	2.60	1.27	2.94	6.40
2014	2.48	4.49	1.06	8.42	1.73	2.57	4.55	6.84	1.58	4.41	2.77	3.73
2015	1.31	2.66	4.13	7.11	2.56	3.08	0.79	2.47	2.39	1.99	2.51	M
2016	1.62	6.19	3.14	2.63	7.05	2.45	7.53	1.49	1.93	M	1.98	7.10
2017	3.39	1.66	5.07	4.05	5.51	2.41	4.66	3.94	1.64	0.83	0.00	0.18
2018	0.32	1.37	0.53	0.00	0.15	0.00	0.04	1.89	0.02	0.00	0.00	0.00
2019	M	0.05	M	M	M	M	0.00	0.00	0.02	0.01	0.00	0.02
2020	M	0.00	M	M	0.01	0.02	M	M	M	M	1.43	3.19
2021	2.43	5.49	4.38	1.67	3.58	3.29	2.26	2.93	1.96	5.15	1.63	2.73
2022	3.87	5.31	6.15	2.13	0.04	0.03	0.83	0.24	M	0.30	2.11	2.57
2023	4.21	3.19	3.16	2.02	1.49	1.26	1.40	2.36	2.70	1.21	1.53	3.18
2024	4.57	4.83	2.95	4.11	9.28	2.56	0.39	0.23	3.32	0.47	2.64	4.85
2025	3.49	5.13	4.44	6.30	6.69	4.68	1.42	0.10	0.00	0.00	0.00	0.00
2026	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M
NCEI Climatology	4.45	4.44	5.21	4.84	4.94	4.67	4.85	3.90	3.80	2.94	3.62	4.97

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	7.7	7.9	6.6	4.8	4.0	3.7	3.1	4.5	4.9	5.6	5.4
2007	8.1	7.1	6.8	7.3	3.3	4.1	4.1	3.2	3.0	5.1	5.8	6.6
2008	7.6	8.8	8.7	6.0	5.9	4.6	3.2	2.7	4.0	4.1	4.7	8.4
2009	7.1	8.6	6.9	7.2	4.9	3.7	3.6	3.5	3.5	5.0	3.6	6.9
2010	6.1	6.0	5.6	6.0	5.5	3.5	2.4	2.1	3.1	4.0	6.3	7.3
2011	6.8	8.6	8.7	10.0	6.9	6.5	3.1	3.6	4.3	4.4	7.3	5.1
2012	7.4	6.2	6.7	6.3	3.5	3.4	3.0	1.9	2.9	4.1	3.2	5.4
2013	6.4	7.0	7.1	6.6	6.1	4.8	3.1	2.6	2.7	3.5	5.8	6.6
2014	7.4	7.1	7.3	7.1	5.2	4.0	3.3	2.4	2.9	5.0	6.4	5.1
2015	6.2	7.5	5.6	6.7	4.3	4.0	2.6	1.9	1.7	4.1	4.7	M
2016	9.8	11.2	9.5	10.8	9.1	9.4	8.4	8.1	8.1	8.7	8.9	9.1
2017	10.5	9.5	10.6	9.9	10.5	8.6	8.7	8.0	8.1	8.4	8.9	9.7
2018	9.5	9.7	10.3	10.2	9.3	9.2	8.6	8.7	7.8	8.5	9.4	9.6
2019	10.5	10.4	10.5	9.7	9.7	8.7	8.5	7.8	8.0	8.7	9.5	9.4
2020	9.8	10.4	9.8	9.7	8.8	8.8	8.0	7.7	7.8	7.8	9.3	9.8
2021	9.7	10.0	8.9	8.7	8.6	5.4	3.8	2.7	3.2	4.3	4.8	6.9
2022	6.7	7.3	8.1	6.8	5.8	4.4	3.8	3.5	M	5.4	5.3	6.6
2023	7.4	7.8	7.2	6.1	5.0	4.5	3.7	3.6	2.5	4.4	4.7	5.2
2024	7.0	6.5	6.4	7.6	4.5	4.2	3.7	2.5	3.8	3.7	6.2	6.5
2025	6.1	7.2	8.3	6.5	5.9	3.8	3.2	3.1	2.9	3.9	5.9	6.8
2026	7.4	6.7	9.1	6.7	5.6	4.9	3.3	3.1	3.2	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
2006	M	54.30	57.97	71.67	73.42	83.13	88.29	87.50	74.57	65.28	58.93	54.56
2007	48.07	45.14	66.08	65.01	81.80	86.52	85.47	94.23	86.59	74.99	59.13	53.75
2008	44.89	49.60	58.17	66.77	74.21	86.04	87.29	85.82	82.42	68.91	52.79	47.96
2009	40.32	48.36	58.75	66.66	74.02	84.09	80.44	83.74	79.05	66.11	60.99	46.51
2010	38.97	39.18	56.65	73.92	78.77	89.42	89.57	89.75	83.28	73.82	62.01	36.74
2011	39.55	52.60	57.71	71.91	75.08	85.53	88.87	89.28	76.44	68.49	61.10	51.73
2012	50.45	53.20	70.55	71.13	81.31	86.36	90.58	85.20	81.46	66.12	57.09	50.99
2013	46.90	48.40	49.44	68.38	76.20	83.54	94.69	87.07	44.72	71.69	55.54	49.35
2014	40.40	47.08	72.36	84.84	79.47	86.13	85.06	86.24	80.83	69.91	52.55	49.81
2015	44.62	39.53	60.25	71.45	81.38	86.39	87.59	84.41	83.61	70.72	63.92	M
2016	43.64	48.37	64.14	70.70	75.14	84.13	M	M	80.40	76.63	63.91	49.12
2017	51.17	58.66	60.76	74.22	75.69	82.37	87.03	83.13	77.58	71.62	59.58	45.81
2018	43.79	54.99	54.91	63.49	83.09	86.81	87.28	85.62	82.82	70.47	52.38	49.74
2019	44.06	54.07	55.40	70.84	79.58	82.09	87.27	86.05	87.52	73.40	54.66	54.90
2020	49.36	51.31	62.37	65.87	73.05	82.86	88.13	85.01	78.34	70.01	62.42	47.97
2021	45.09	43.24	63.21	66.21	74.32	83.59	85.48	85.99	79.27	71.76	55.87	60.34
2022	42.33	52.09	62.36	67.07	79.04	86.97	88.02	85.49	M	66.68	58.76	53.68
2023	M	57.53	59.23	68.62	74.79	80.82	85.60	82.81	79.74	69.68	59.63	52.49
2024	42.05	57.33	62.62	69.07	77.06	84.81	86.41	85.29	78.80	73.18	61.51	50.93
2025	40.14	52.66	65.15	71.29	74.06	85.45	89.01	84.70	84.26	70.84	60.03	50.06
2026	43.03	52.04	71.63	76.37	77.87	84.47	87.65	86.87	85.72	M	M	M
NCEI Climatology	44.60	49.04	57.60	67.90	76.10	83.19	86.30	85.90	80.70	70.20	58.10	48.30

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	28.07	34.59	47.80	50.68	58.69	64.28	67.28	54.37	42.15	36.40	29.86
2007	29.55	23.18	40.47	41.14	56.00	59.73	63.78	67.10	56.61	48.59	32.76	33.25
2008	25.37	30.79	33.93	42.35	49.48	61.01	60.85	58.09	54.51	38.83	27.59	25.12
2009	19.16	22.95	34.20	40.92	52.30	60.87	59.24	61.43	59.32	43.00	34.51	27.91
2010	21.82	23.41	34.29	43.16	56.36	65.86	67.12	66.13	53.70	39.14	34.26	19.97
2011	19.96	27.32	37.99	47.00	54.24	63.54	68.47	61.46	55.19	40.86	38.84	30.00
2012	27.26	29.85	43.95	45.05	58.16	57.64	69.17	61.05	60.15	43.03	26.80	34.86
2013	28.71	25.81	29.18	42.87	54.01	62.79	64.57	63.61	15.84	47.82	30.06	29.47
2014	15.77	24.72	33.52	43.56	54.85	63.10	60.99	64.21	57.92	46.07	29.76	31.76
2015	23.05	16.98	34.11	45.63	56.24	64.50	67.34	60.60	60.98	47.10	41.52	M
2016	20.38	30.54	39.07	43.66	52.86	58.69	M	M	53.28	47.13	33.58	27.28
2017	34.32	32.64	35.08	49.75	53.24	59.89	65.17	61.65	55.26	45.49	35.32	25.69
2018	17.94	35.59	34.27	38.01	60.02	64.65	65.45	64.67	64.04	47.28	30.61	31.32
2019	33.13	40.41	32.65	44.63	58.35	62.47	65.96	63.16	58.29	46.25	28.59	32.36
2020	32.50	30.21	41.90	41.27	51.76	61.95	66.90	64.75	56.71	46.88	34.49	25.26
2021	26.67	24.79	35.92	39.72	50.37	63.43	65.01	64.57	56.05	50.35	27.94	35.96
2022	20.36	27.07	35.05	41.26	56.57	60.85	68.47	64.77	M	38.67	33.39	35.25
2023	M	36.98	34.53	41.81	53.08	58.62	65.33	62.82	54.36	45.28	32.29	30.19
2024	21.78	30.10	37.85	48.35	56.43	62.72	66.20	62.14	58.24	42.48	41.69	30.83
2025	17.83	27.67	35.97	47.59	54.79	64.62	69.04	63.59	55.96	43.97	34.27	30.16
2026	19.06	26.21	42.65	45.93	53.10	61.57	67.90	66.78	67.75	M	M	M
NCEI Climatology	26.39	28.20	34.60	43.30	53.01	61.69	65.70	63.91	57.30	45.50	35.51	29.71

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	M	41.18	46.28	59.73	62.05	70.91	76.28	77.39	64.47	53.71	47.67	42.21
2007	38.81	33.55	53.28	53.08	68.90	73.12	74.63	80.66	71.60	61.79	45.95	43.50
2008	35.13	40.20	46.05	54.56	61.84	73.53	74.07	71.96	68.46	53.87	40.19	36.54
2009	29.74	35.66	46.48	53.79	63.16	72.48	69.84	72.58	69.19	54.55	47.75	37.21
2010	30.40	31.29	45.47	58.54	67.56	77.64	78.35	77.94	68.49	56.48	48.14	28.35
2011	29.76	39.96	47.85	59.46	64.66	74.53	78.67	75.37	65.82	54.67	49.97	40.86
2012	38.85	41.53	57.25	58.09	69.73	72.00	79.88	73.13	70.80	54.58	41.95	42.92
2013	37.81	37.11	39.31	55.62	65.10	73.17	79.63	75.34	30.28	59.75	42.80	39.41
2014	28.08	35.90	52.94	64.20	67.16	74.62	73.02	75.23	69.37	57.99	41.16	40.79
2015	33.84	28.25	47.18	58.54	68.81	75.44	77.46	72.51	72.29	58.91	52.72	M
2016	32.01	39.46	51.61	57.18	64.00	71.41	M	M	66.84	61.88	48.74	38.20
2017	42.75	45.65	47.92	61.98	64.46	71.13	76.10	72.39	66.42	58.55	47.45	35.75
2018	30.87	45.29	44.59	50.75	71.55	75.73	76.36	75.15	73.43	58.88	41.49	40.53
2019	38.59	47.24	44.02	57.74	68.96	72.28	76.62	74.61	72.90	59.83	41.62	43.63
2020	40.93	40.76	52.14	53.58	62.40	72.41	77.51	74.88	67.53	58.44	48.46	36.62
2021	35.88	34.02	49.56	52.96	62.34	73.51	75.25	75.28	67.66	61.05	41.91	48.15
2022	31.35	39.58	48.71	54.16	67.81	73.91	78.25	75.13	M	52.68	46.07	44.47
2023	M	47.25	46.88	55.22	63.93	69.72	75.46	72.82	67.05	57.48	45.96	41.34
2024	31.91	43.72	50.24	58.71	66.75	73.76	76.31	73.71	68.52	57.83	51.60	40.88
2025	28.98	40.17	50.56	59.44	64.43	75.03	79.03	74.15	70.11	57.40	47.15	40.11
2026	31.05	39.12	57.14	61.15	65.48	73.02	77.77	76.82	76.73	M	M	M
NCEI Climatology	35.50	38.62	46.10	55.60	64.55	72.44	76.00	74.90	69.00	57.85	46.80	39.00

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
2006	M	48.0%	63.8%	68.5%	75.7%	74.6%	74.9%	79.9%	81.0%	77.1%	74.3%	71.8%
2007	70.6%	62.8%	63.5%	65.5%	67.3%	71.3%	74.5%	68.7%	68.0%	70.9%	68.7%	77.4%
2008	66.9%	69.4%	69.0%	72.2%	72.3%	71.2%	74.0%	71.1%	71.6%	66.5%	70.5%	73.5%
2009	73.0%	63.7%	67.6%	66.4%	76.2%	78.3%	80.3%	83.5%	84.8%	82.2%	74.9%	75.6%
2010	79.3%	78.7%	73.3%	65.1%	79.1%	78.6%	80.1%	81.9%	75.0%	66.4%	75.6%	76.5%
2011	78.6%	71.5%	71.8%	69.2%	81.1%	78.8%	84.2%	76.4%	81.9%	75.5%	74.9%	80.0%
2012	73.9%	77.3%	69.4%	69.0%	78.7%	72.3%	80.6%	82.5%	84.2%	76.3%	74.5%	77.5%
2013	79.0%	72.0%	73.8%	69.6%	75.9%	83.2%	86.8%	86.9%	82.7%	82.4%	72.2%	77.8%
2014	66.2%	70.2%	63.2%	65.5%	73.5%	78.4%	77.3%	83.2%	81.9%	79.7%	69.0%	82.1%
2015	72.5%	66.0%	73.2%	71.9%	73.2%	82.0%	86.1%	85.2%	85.0%	80.4%	75.5%	M
2016	71.9%	73.1%	69.2%	62.6%	76.7%	75.5%	M	M	76.5%	73.3%	70.4%	75.5%
2017	79.2%	68.9%	65.1%	70.4%	75.3%	77.5%	83.0%	84.2%	83.3%	77.7%	76.3%	75.4%
2018	70.7%	78.4%	71.6%	70.2%	77.3%	79.0%	80.8%	82.2%	85.2%	80.3%	81.5%	81.6%
2019	77.1%	76.6%	66.3%	71.1%	77.5%	79.9%	84.5%	84.6%	76.1%	80.3%	78.4%	80.9%
2020	82.9%	81.5%	80.3%	78.2%	81.0%	82.0%	87.4%	90.7%	91.4%	85.4%	74.8%	83.0%
2021	82.8%	87.0%	71.3%	75.4%	78.8%	84.6%	90.2%	92.2%	89.4%	91.4%	77.4%	80.9%
2022	80.2%	72.8%	67.6%	73.7%	79.0%	73.2%	82.9%	82.8%	M	69.6%	75.4%	89.4%
2023	M	70.4%	67.9%	71.0%	76.3%	80.6%	83.7%	91.9%	89.0%	82.8%	75.7%	80.6%
2024	82.7%	72.6%	71.1%	71.0%	82.1%	78.9%	86.0%	78.2%	77.4%	75.1%	80.2%	78.9%
2025	75.6%	76.4%	63.3%	73.8%	80.5%	76.7%	76.5%	75.8%	83.4%	83.9%	79.9%	78.2%
2026	76.2%	73.4%	68.7%	67.7%	75.8%	82.7%	86.7%	80.7%	79.8%	M	M	M