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 (USW00063872) 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
2007	3.70	3.26	0.93	3.97	0.19	4.89	4.44	0.87	1.12	2.28	3.01	9.35
2008	M	M	M	M	M	M	M	0.63	3.85	5.18	6.76	5.43
2009	3.52	1.59	7.78	2.63	7.96	1.00	0.00	1.44	1.05	1.28	0.00	0.00
2010	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2011	0.00	0.00	0.00	0.00	0.00	4.44	2.72	0.95	3.53	2.37	2.55	6.03
2012	2.92	3.86	2.31	1.37	6.22	4.75	5.54	6.50	2.60	2.09	1.73	5.89
2013	2.05	10.22	6.16	3.35	2.19	5.18	7.58	4.41	2.88	0.68	0.39	1.31
2014	0.00	6.00	4.45	13.76	3.24	3.89	5.70	2.06	4.14	4.41	2.40	5.49
2015	2.83	4.38	1.45	7.32	3.25	1.96	4.62	5.37	2.31	0.95	9.10	16.89
2016	3.66	3.15	4.98	5.56	1.15	3.12	1.93	3.22	0.59	0.00	1.01	4.91
2017	11.63	5.83	1.53	3.49	5.91	6.63	5.72	7.04	4.91	3.08	1.01	3.27
2018	1.39	4.78	2.75	5.59	3.59	3.86	8.75	4.73	1.98	3.64	7.27	5.25
2019	5.67	1.57	0.67	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	0.45	2.83	2.16	2.13
2021	4.28	4.33	6.37	5.19	1.09	7.09	7.83	5.39	2.99	3.03	0.30	4.03
2022	4.23	1.95	5.49	3.32	2.90	3.28	6.27	0.82	0.11	0.44	4.71	3.29
2023	6.56	1.78	2.09	4.47	9.31	8.85	4.11	4.73	0.67	2.36	3.37	2.05
2024	4.51	3.06	7.30	4.48	8.31	1.99	5.06	0.88	22.80	0.08	3.31	6.90
2025	0.00	2.98	2.23	2.90	7.62	3.93	4.94	5.47	1.05	1.07	1.24	3.96
2026	3.18	4.79	0.88	3.55	4.03	5.80	4.65	2.14	M	M	M	M
NCEI Climatology	4.83	4.77	5.10	4.78	3.15	4.56	5.06	4.80	3.66	3.08	4.45	5.20

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	3.7	3.6	3.2	2.8	4.5
2009	4.3	4.5	4.4	5.5	4.8	2.5	3.0	2.3	2.8	3.2	2.6	3.7
2010	4.3	4.1	4.5	3.8	3.6	2.3	3.2	M	M	M	5.9	5.6
2011	5.3	5.5	8.2	6.9	6.2	5.4	2.7	2.4	1.5	2.8	4.3	3.2
2012	4.2	3.7	4.1	3.7	2.7	3.7	2.8	3.0	2.6	3.0	2.6	3.0
2013	4.5	3.8	5.3	4.1	3.9	3.3	2.9	2.3	2.0	1.8	3.5	2.9
2014	3.5	3.4	4.0	4.4	2.8	2.6	2.6	2.2	2.5	2.3	2.9	2.6
2015	3.1	4.0	3.6	3.3	2.9	2.6	2.6	2.7	2.3	3.5	3.7	3.5
2016	4.3	5.0	4.9	4.2	3.3	3.2	3.1	3.4	3.2	3.2	3.2	3.5
2017	4.4	3.7	5.0	4.3	3.7	3.4	2.3	2.5	2.8	4.4	2.4	3.2
2018	4.2	4.5	5.1	4.8	3.6	2.6	5.0	2.6	3.0	3.4	3.5	3.9
2019	4.0	4.0	3.1	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	0.4	3.3	3.2	3.3
2021	3.8	4.2	4.0	3.2	4.2	3.4	2.1	3.1	2.3	2.4	4.3	7.8
2022	15.1	11.7	18.7	21.6	14.3	22.2	16.0	8.8	9.1	4.0	3.6	3.8
2023	3.8	4.5	4.4	4.2	3.6	3.0	2.3	2.6	3.0	3.7	3.1	3.9
2024	4.8	4.8	4.3	4.3	3.5	3.4	2.7	3.4	4.2	2.2	3.6	3.5
2025	3.2	4.7	5.2	4.1	4.0	2.5	2.9	2.7	2.2	4.0	2.7	3.0
2026	4.0	4.8	4.5	3.7	3.5	3.3	3.1	2.8	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
2007	61.87	62.75	77.03	76.63	88.00	93.03	92.90	98.68	89.80	81.35	67.33	58.31
2008	M	M	M	M	M	M	M	90.50	87.63	75.45	67.43	65.32
2009	62.16	65.21	71.71	77.90	83.74	94.10	91.77	90.87	87.50	77.65	68.43	57.58
2010	54.87	55.04	66.97	82.27	89.10	95.47	97.03	95.87	94.53	83.06	72.03	55.55
2011	55.42	67.54	74.74	84.67	90.23	98.24	94.97	98.77	87.47	77.58	72.23	66.23
2012	66.35	66.55	80.58	80.97	88.87	90.53	95.52	90.74	88.57	79.32	71.90	73.26
2013	68.45	63.50	67.27	78.67	83.97	90.83	89.42	90.52	87.90	80.23	68.50	64.45
2014	53.77	64.46	69.77	78.17	86.48	92.37	93.23	94.90	89.57	82.32	66.40	65.00
2015	60.10	59.68	75.48	80.70	89.03	93.87	96.74	93.65	86.90	79.87	74.00	71.39
2016	58.65	66.38	76.58	79.33	86.68	94.87	96.61	95.87	95.33	88.55	77.83	66.39
2017	68.68	74.21	75.52	84.07	85.84	87.77	93.45	91.26	88.70	82.06	73.23	62.06
2018	58.29	74.25	71.48	77.83	88.84	93.07	93.45	91.81	94.20	83.74	65.77	62.31
2019	62.35	72.25	74.00	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	79.40	80.10	73.33	61.55
2021	59.65	62.34	74.42	75.63	83.63	88.70	89.68	91.17	86.37	80.03	67.90	71.26
2022	62.15	68.14	75.63	78.82	87.81	94.10	93.34	90.04	87.23	79.10	69.73	63.45
2023	65.97	72.50	74.52	78.83	82.71	87.57	92.17	94.81	88.17	78.87	67.73	62.61
2024	59.55	67.17	72.45	78.83	85.00	91.90	92.03	94.43	85.03	80.48	72.77	62.87
2025	52.00	67.20	72.55	80.67	83.81	88.43	92.29	86.61	87.70	77.23	71.57	61.13
2026	60.00	67.21	77.42	80.03	82.35	87.13	92.10	91.89	M	M	M	M
NCEI Climatology	61.01	66.51	72.82	80.00	87.41	91.79	93.89	93.61	89.40	80.80	71.00	63.30

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	38.71	33.25	45.73	48.63	58.17	67.13	70.87	73.29	66.00	56.00	37.47	34.62
2008	M	M	M	M	M	M	M	71.17	66.47	52.39	40.20	43.19
2009	36.48	35.50	46.61	50.67	64.26	69.30	68.58	70.42	68.40	56.87	43.23	38.39
2010	31.71	32.79	40.45	50.33	64.03	71.03	73.39	74.74	64.80	50.35	42.23	29.23
2011	31.74	38.32	48.29	52.53	56.55	69.76	72.71	71.23	63.47	48.35	45.20	40.94
2012	38.35	44.13	54.26	54.20	62.26	66.73	72.42	70.81	65.40	53.55	40.63	44.45
2013	45.16	39.71	39.67	51.70	57.94	69.90	70.77	70.52	66.33	54.71	42.87	41.10
2014	28.87	38.54	41.84	51.67	59.65	68.40	68.84	68.68	68.50	52.23	36.63	40.61
2015	33.74	33.68	49.84	58.37	61.00	69.47	72.10	70.94	66.50	55.16	51.73	49.06
2016	36.23	39.38	50.29	52.83	59.61	68.63	72.23	73.35	67.53	55.19	44.43	43.81
2017	42.84	45.50	47.48	55.47	60.26	69.40	72.35	71.87	64.60	57.06	45.77	41.26
2018	32.52	51.39	44.26	48.57	64.32	70.27	72.77	71.42	71.37	59.77	44.57	43.87
2019	40.10	48.75	58.33	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	61.80	59.29	50.77	36.48
2021	40.50	42.27	50.58	52.13	59.50	70.13	72.48	73.30	66.50	58.74	40.70	47.23
2022	34.67	41.03	48.13	53.12	62.61	71.01	72.58	72.39	63.90	49.06	49.10	42.77
2023	42.44	49.60	51.32	53.97	60.68	67.10	72.57	72.35	65.10	53.83	44.30	39.65
2024	35.90	40.97	49.32	53.63	64.71	68.73	73.97	71.46	69.03	54.68	53.33	40.06
2025	31.46	44.63	45.52	54.57	63.02	68.80	72.13	69.94	63.10	54.35	42.10	38.42
2026	36.71	42.57	49.77	53.70	61.74	68.97	72.58	72.44	M	M	M	M
NCEI Climatology	37.10	40.20	45.90	52.20	60.50	68.19	71.20	71.10	66.10	54.80	44.21	39.50

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	50.29	48.00	61.38	62.63	73.08	80.08	81.89	85.98	77.90	68.68	52.40	46.47
2008	M	M	M	M	M	M	M	80.83	77.05	63.92	53.82	54.26
2009	49.32	50.36	59.16	64.28	74.00	81.70	80.18	80.64	77.95	67.26	55.83	47.98
2010	43.29	43.91	53.71	66.30	76.56	83.25	85.21	85.31	79.67	66.71	57.13	42.39
2011	43.58	52.93	61.52	68.60	73.39	84.00	83.84	85.00	75.47	62.97	58.72	53.58
2012	52.35	55.34	67.42	67.58	75.56	78.63	83.97	80.77	76.98	66.44	56.27	58.85
2013	56.81	51.61	53.47	65.18	70.95	80.37	80.10	80.52	77.12	67.47	55.68	52.77
2014	41.32	51.50	55.81	64.92	73.06	80.38	81.03	81.79	79.03	67.27	51.52	52.81
2015	46.92	46.68	62.66	69.53	75.02	81.67	84.42	82.29	76.70	67.52	62.87	60.23
2016	47.44	52.88	63.44	66.08	73.15	81.75	84.42	84.61	81.43	71.87	61.13	55.10
2017	55.76	59.86	61.50	69.77	73.05	78.58	82.90	81.56	76.65	69.56	59.50	51.66
2018	45.40	62.82	57.87	63.20	76.58	81.67	83.11	81.61	82.78	71.76	55.17	53.09
2019	51.23	60.50	66.17	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	70.60	69.69	62.05	49.02
2021	50.07	52.31	62.50	63.88	71.57	79.42	81.08	82.23	76.43	69.39	54.30	59.25
2022	48.41	54.59	61.88	65.97	75.21	82.55	82.96	81.21	75.56	64.08	59.42	53.11
2023	54.20	61.05	62.92	66.40	71.69	77.33	82.37	83.58	76.63	66.35	56.02	51.13
2024	47.73	54.07	60.89	66.23	74.85	80.32	83.00	82.95	77.03	67.58	63.05	51.47
2025	41.73	55.92	59.03	67.62	73.41	78.62	82.21	78.27	75.40	65.79	56.83	49.77
2026	48.35	54.89	63.60	66.87	72.05	78.05	82.34	82.17	M	M	M	M
NCEI Climatology	49.05	53.36	59.36	66.10	73.95	79.99	82.55	82.35	77.75	67.80	57.61	51.40

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
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	75.4%	72.7%	73.9%	72.2%	72.9%
2009	68.4%	63.8%	69.9%	65.9%	76.7%	70.7%	73.0%	78.6%	78.2%	80.5%	77.4%	74.3%
2010	67.4%	66.0%	65.8%	62.6%	69.7%	71.6%	69.8%	M	M	M	74.8%	62.5%
2011	66.9%	66.0%	62.2%	61.3%	55.7%	61.7%	72.9%	69.3%	76.3%	67.7%	65.6%	76.0%
2012	70.3%	71.6%	66.8%	65.5%	70.4%	70.5%	73.6%	78.6%	75.9%	74.1%	70.1%	66.6%
2013	72.3%	71.3%	59.1%	71.3%	69.1%	78.2%	83.7%	79.4%	78.6%	77.0%	69.1%	79.0%
2014	64.2%	74.0%	67.7%	71.8%	70.5%	73.9%	71.9%	73.5%	77.2%	73.9%	71.1%	77.0%
2015	69.2%	63.2%	72.3%	77.0%	71.2%	75.0%	75.2%	77.3%	80.3%	77.3%	79.4%	82.7%
2016	71.5%	64.4%	69.6%	70.5%	66.2%	68.7%	73.8%	75.9%	68.3%	62.0%	60.2%	71.9%
2017	71.4%	69.4%	59.9%	66.7%	70.8%	79.8%	78.1%	78.9%	78.4%	75.4%	78.8%	79.6%
2018	65.2%	80.2%	65.2%	69.1%	76.9%	79.1%	81.0%	82.6%	79.8%	77.4%	85.7%	79.5%
2019	73.6%	70.9%	39.2%	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	84.5%	77.1%	73.4%	73.0%
2021	70.4%	73.1%	66.5%	66.2%	64.4%	74.6%	79.6%	77.6%	76.5%	78.1%	67.0%	79.0%
2022	67.1%	65.2%	62.5%	65.0%	73.4%	69.5%	77.6%	81.2%	73.6%	67.6%	72.7%	74.8%
2023	74.0%	72.3%	66.8%	71.2%	75.6%	78.1%	79.5%	78.5%	74.3%	68.3%	72.2%	71.5%
2024	67.8%	64.2%	67.2%	66.6%	73.8%	69.2%	76.0%	65.4%	76.2%	73.1%	77.5%	72.5%
2025	66.7%	69.5%	64.4%	72.0%	77.4%	81.7%	78.8%	83.9%	74.8%	73.6%	73.2%	77.4%
2026	72.5%	67.0%	68.7%	70.5%	78.5%	80.1%	79.2%	82.1%	M	M	M	M