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 (USC00212721) 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
2002	M	M	M	M	M	M	0.00	0.00	0.00	0.00	0.00	0.00
2003	0.00	0.00	0.00	0.00	0.00	17.49	0.00	0.00	0.00	0.00	0.00	0.00
2004	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M	0.00	0.00
2005	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2006	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2007	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2008	0.00	0.00	0.00	0.00	0.00	0.00	M	M	0.00	0.00	0.00	0.00
2009	0.00	0.00	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2012	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.01	0.03
2013	0.02	0.03	0.08	0.14	0.10	0.01	0.40	0.62	0.60	0.62	0.60	0.16
2014	0.00	0.03	0.02	0.19	0.08	0.19	0.04	0.07	0.03	0.04	0.01	0.00
2015	0.00	0.00	0.02	0.07	0.06	M	0.09	0.07	0.11	0.03	0.17	0.11
2016	0.01	0.01	0.01	0.03	0.05	0.09	0.08	0.10	0.10	0.00	0.00	0.00
2017	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.02	0.02	0.00	0.00
2018	0.01	0.00	0.00	0.01	0.02	0.00	0.00	0.01	0.02	0.00	0.00	0.01
2019	0.00	0.01	0.00	0.03	0.02	0.00	0.02	0.00	0.02	0.01	0.00	0.00
2020	0.00	0.00	0.00	0.00	0.03	0.00	0.00	0.00	0.00	0.01	0.00	0.00
2021	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.01	0.00	0.01	0.01	0.01
2022	0.00	0.00	0.00	0.02	0.01	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2023	0.00	0.00	0.01	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
2026	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	0.97	1.05	1.92	3.13	4.37	5.57	4.64	4.66	3.68	2.60	1.67	1.24

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	5.2	5.5	5.8	6.2	7.1	7.9
2003	8.2	8.6	7.8	7.6	6.6	5.2	5.4	4.1	6.4	6.7	8.4	7.7
2004	7.6	6.7	8.3	7.3	7.6	5.2	4.8	M	M	M	6.1	8.6
2005	7.3	6.7	6.7	7.1	8.0	4.7	M	2.4	6.0	5.2	7.9	6.5
2006	7.3	7.7	6.7	7.5	7.4	5.3	5.1	4.3	5.4	7.1	6.1	7.4
2007	8.1	7.6	7.7	7.8	8.5	6.7	5.4	4.7	6.9	7.1	8.2	6.0
2008	7.3	7.0	6.5	8.6	7.0	2.6	M	M	0.0	0.0	0.0	0.0
2009	0.0	0.2	M	0.0	0.1	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2010	0.0	0.0	0.0	0.0	0.2	0.0	0.0	0.0	0.0	0.5	0.0	0.0
2011	0.1	0.0	0.2	0.0	0.1	0.0	0.0	0.0	0.0	0.0	0.0	0.0
2012	0.0	0.0	4.6	7.5	7.2	5.7	4.3	3.6	4.4	6.3	6.7	5.6
2013	8.0	6.5	6.6	8.0	6.8	4.7	5.1	3.9	5.1	5.6	7.8	6.7
2014	8.6	7.6	7.5	8.4	6.0	6.1	4.7	3.2	4.4	5.3	7.0	6.2
2015	6.8	7.0	7.2	7.4	7.2	M	4.6	4.3	4.7	5.7	7.5	7.0
2016	6.3	7.2	4.9	6.6	5.3	4.9	4.1	3.0	4.7	5.1	5.6	8.7
2017	4.7	7.1	7.4	6.4	5.4	4.4	3.6	3.2	4.6	6.3	6.5	6.5
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	5.6	M	M	2.2	M	M	M	M
2020	5.6	6.2	6.6	6.5	5.3	5.5	3.0	3.7	3.8	5.5	6.4	5.3
2021	4.9	5.5	6.6	5.8	5.3	4.2	3.1	3.5	3.5	4.3	6.1	6.2
2022	6.8	7.2	6.8	9.0	5.9	5.1	3.5	3.4	3.8	4.8	6.9	6.5
2023	5.2	6.7	6.3	8.2	5.3	3.8	3.1	3.8	4.6	4.8	6.1	5.4
2024	5.9	6.1	7.1	7.8	5.5	4.7	3.5	3.1	3.8	5.7	6.0	5.8
2025	6.8	6.6	7.2	6.8	5.1	4.6	3.7	3.1	3.2	5.1	5.8	6.3
2026	6.1	6.0	6.9	6.3	5.1	3.8	2.9	2.6	0.7	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
2002	M	M	M	M	M	M	84.81	78.25	73.44	48.80	40.79	33.77
2003	22.99	25.31	40.26	57.52	67.11	77.48	82.50	83.12	71.77	61.01	38.96	31.70
2004	20.10	29.48	41.80	61.90	68.74	75.80	76.11	M	M	M	38.94	30.85
2005	23.75	34.47	40.85	61.35	63.18	79.90	78.76	72.39	76.39	61.98	43.95	24.25
2006	33.45	28.65	40.27	62.92	70.50	80.66	87.74	80.40	67.59	54.95	44.89	33.36
2007	26.26	20.44	45.66	56.87	75.04	81.70	84.91	80.41	73.74	62.07	41.51	23.92
2008	21.00	23.68	36.78	51.29	67.45	71.84	M	M	70.19	60.72	43.29	25.26
2009	17.66	32.05	M	60.92	72.19	71.84	78.11	74.90	69.98	49.60	50.74	23.41
2010	20.57	29.09	41.26	69.94	71.21	72.81	85.74	86.69	69.79	65.28	37.53	22.58
2011	19.25	25.69	37.79	54.79	66.95	79.10	89.20	82.54	71.97	65.34	51.46	45.27
2012	46.66	42.59	63.06	66.78	78.29	85.77	91.23	84.66	79.93	64.56	57.90	48.47
2013	46.35	47.22	51.11	59.04	72.56	71.96	85.24	86.25	81.18	66.00	54.45	45.33
2014	44.97	44.79	52.70	62.71	74.08	83.88	84.89	83.91	-6.80	-44.12	-44.57	23.75
2015	25.89	19.84	45.73	59.94	67.40	M	83.50	78.40	77.02	62.13	48.87	34.94
2016	23.67	31.28	46.16	59.19	70.87	80.13	82.48	81.63	74.67	61.98	52.23	26.28
2017	30.25	40.20	34.88	44.97	67.18	79.89	82.46	75.68	75.85	59.15	42.58	25.80
2018	24.41	23.93	39.16	46.53	77.67	79.19	81.62	80.16	73.05	53.51	33.15	30.07
2019	25.96	17.89	36.23	55.29	64.46	77.46	81.99	77.48	74.48	52.93	35.91	29.41
2020	26.62	28.57	43.67	55.63	67.18	82.09	83.52	80.30	69.60	50.02	45.98	31.97
2021	26.51	16.89	47.51	57.16	68.17	85.02	81.64	80.55	75.25	63.01	44.42	31.80
2022	20.04	24.28	39.10	48.34	69.94	80.12	82.16	80.11	73.98	61.68	41.07	23.11
2023	24.96	29.30	35.61	53.46	72.04	81.43	80.23	80.16	76.29	58.26	46.70	39.20
2024	25.57	42.34	46.95	57.64	71.57	75.31	80.08	78.05	79.42	67.75	43.23	30.48
2025	23.78	25.92	49.86	57.15	69.53	77.37	82.51	78.49	75.36	62.40	45.68	27.58
2026	21.21	35.26	48.56	57.93	65.19	76.01	83.31	79.60	85.19	M	M	M
NCEI Climatology	23.20	28.18	40.41	55.50	68.20	78.40	82.00	79.90	72.69	58.91	42.40	28.89

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	63.43	58.95	52.17	33.89	24.29	16.76
2003	6.35	6.23	21.53	36.78	44.74	55.16	61.06	59.40	47.13	37.83	24.29	16.71
2004	4.55	12.18	26.30	36.35	42.06	51.35	60.51	M	M	M	28.48	15.06
2005	8.33	17.63	19.24	40.09	47.39	58.98	78.30	58.60	53.56	40.27	26.95	11.38
2006	19.61	9.53	23.84	39.67	49.76	56.50	62.93	59.82	47.57	33.31	25.78	20.73
2007	9.84	3.23	27.54	34.77	51.20	58.52	59.98	59.93	52.33	44.62	25.66	6.40
2008	4.41	5.14	18.52	34.32	43.92	54.68	M	M	57.29	37.92	27.11	3.82
2009	-3.99	11.55	M	47.24	46.28	46.46	55.44	54.62	48.55	36.08	32.77	8.90
2010	1.30	2.86	18.39	44.42	47.54	56.96	62.65	63.33	48.48	38.51	23.63	6.61
2011	1.22	7.54	21.18	35.41	47.43	57.58	69.19	59.59	48.57	42.32	40.43	36.53
2012	36.69	33.21	45.12	51.83	60.13	65.41	71.24	64.25	56.25	50.24	46.63	40.75
2013	39.29	39.33	41.50	49.08	57.43	59.97	67.62	66.54	61.58	52.15	45.36	39.18
2014	37.37	37.41	43.86	50.74	58.51	68.59	66.50	64.14	-19.48	-46.95	-46.98	11.22
2015	8.62	-1.16	22.67	36.87	45.74	M	62.08	57.53	56.64	39.84	31.71	24.53
2016	7.78	15.12	33.49	40.34	44.06	59.18	62.26	60.36	55.14	40.94	32.79	12.79
2017	16.71	21.54	16.20	25.31	46.63	56.19	-119.39	-33.82	30.18	-199.30	-284.72	-74.26
2018	-99.73	-44.49	-106.82	-86.00	54.09	61.62	59.88	59.44	53.29	35.22	19.78	16.35
2019	9.15	-1.60	17.14	35.66	43.73	56.50	62.64	56.17	54.93	35.81	22.72	11.70
2020	10.99	3.99	29.14	31.89	46.60	59.31	61.74	58.76	48.11	31.11	25.98	13.32
2021	10.57	-2.43	27.29	34.06	45.17	58.83	58.98	58.08	48.64	41.91	24.95	13.52
2022	-3.12	-0.09	22.73	31.12	47.18	57.96	59.89	56.96	48.89	34.91	22.18	7.82
2023	9.51	6.22	17.80	35.15	50.12	58.48	56.63	59.69	54.54	39.99	24.78	23.46
2024	14.26	19.07	23.85	36.27	47.20	56.86	60.55	58.09	52.36	40.84	29.86	16.10
2025	4.26	5.36	25.37	34.26	46.58	58.05	62.44	58.52	52.90	42.74	25.96	7.00
2026	2.96	16.58	26.26	35.86	40.08	54.45	64.20	58.00	59.90	M	M	M
NCEI Climatology	4.80	8.08	20.40	32.90	45.20	57.19	60.60	57.90	49.70	35.71	23.80	12.60

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	M	M	M	M	M	M	74.12	68.60	62.80	41.35	32.54	25.26
2003	14.67	15.77	30.89	47.15	55.92	66.32	71.78	71.26	59.45	49.42	31.62	24.20
2004	12.33	20.83	34.05	49.12	55.40	63.57	68.31	M	M	M	33.71	22.96
2005	16.04	26.05	30.05	50.72	55.29	69.44	78.53	65.50	64.98	51.13	35.45	17.81
2006	26.53	19.09	32.06	51.30	60.13	68.58	75.33	70.11	57.58	44.13	35.34	27.04
2007	18.05	11.83	36.60	45.82	63.12	70.11	72.45	70.17	63.03	53.34	33.58	15.16
2008	12.70	14.41	27.65	42.80	55.69	63.26	M	M	63.74	49.32	35.20	14.54
2009	6.83	21.80	M	54.08	59.24	59.15	66.78	64.76	59.26	42.84	41.75	16.16
2010	10.94	15.97	29.82	57.18	59.38	64.89	74.19	75.01	59.14	51.90	30.58	14.60
2011	10.23	16.61	29.48	45.10	57.19	68.34	79.19	71.07	60.27	53.83	45.95	40.90
2012	41.68	37.90	54.09	59.31	69.21	75.59	81.23	74.46	68.09	57.40	52.27	44.61
2013	42.82	43.27	46.31	54.06	65.00	65.96	76.43	76.40	71.38	59.08	49.91	42.25
2014	41.17	41.10	48.28	56.73	66.30	76.23	75.69	74.02	-13.14	-45.53	-45.77	17.49
2015	17.26	9.34	34.20	48.40	56.57	M	72.79	67.96	66.83	50.99	40.29	29.74
2016	15.72	23.20	39.82	49.76	57.46	69.66	72.37	71.00	64.90	51.46	42.51	19.53
2017	23.48	30.87	25.54	35.14	56.91	68.04	-18.46	20.93	53.01	-70.08	-121.07	-24.23
2018	-37.66	-10.28	-33.83	-19.74	65.88	70.41	70.75	69.80	63.17	44.36	26.46	23.21
2019	17.55	8.15	26.68	45.48	54.10	66.98	72.32	66.82	64.71	44.37	29.32	20.56
2020	18.80	16.28	36.40	43.76	56.89	70.70	72.63	69.53	58.86	40.57	35.98	22.65
2021	18.54	7.23	37.40	45.61	56.67	71.92	70.31	69.32	61.95	52.46	34.69	22.66
2022	8.46	12.10	30.91	39.73	58.56	69.04	71.03	68.53	61.44	48.30	31.62	15.46
2023	17.23	17.76	26.70	44.31	61.08	69.96	68.43	69.93	65.42	49.13	35.74	31.33
2024	19.91	30.71	35.40	46.95	59.38	66.09	70.32	68.07	65.89	54.30	36.55	23.29
2025	14.02	15.64	37.61	45.71	58.05	67.71	72.48	68.51	64.13	52.57	35.82	17.29
2026	12.09	25.92	37.41	46.89	52.63	65.23	73.75	68.80	72.55	M	M	M
NCEI Climatology	14.00	18.13	30.41	44.20	56.70	67.80	71.30	68.90	61.20	47.31	33.10	20.75

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
2002	M	M	M	M	M	M	76.1%	77.5%	75.7%	79.1%	75.4%	79.5%
2003	76.9%	73.7%	75.2%	64.6%	63.1%	67.4%	72.0%	71.2%	67.1%	67.6%	76.6%	82.2%
2004	75.9%	80.5%	77.9%	57.6%	56.5%	64.3%	79.6%	M	M	M	82.5%	79.3%
2005	78.8%	81.1%	73.7%	67.2%	76.7%	73.3%	M	72.7%	76.7%	74.3%	79.9%	90.3%
2006	87.2%	73.4%	79.8%	60.2%	67.0%	65.8%	70.2%	78.0%	79.0%	70.6%	78.1%	82.9%
2007	82.7%	80.6%	79.2%	64.0%	64.4%	70.7%	68.8%	79.7%	71.6%	79.2%	73.2%	90.1%
2008	82.1%	82.1%	78.0%	74.9%	64.7%	76.5%	M	M	79.5%	74.9%	80.1%	85.3%
2009	83.5%	83.1%	M	72.2%	63.0%	62.9%	80.2%	83.8%	83.4%	87.6%	81.9%	88.5%
2010	87.4%	82.7%	87.8%	59.1%	70.5%	86.8%	80.9%	81.7%	82.3%	73.3%	83.2%	87.9%
2011	86.1%	81.3%	80.0%	77.4%	76.4%	75.2%	91.4%	87.3%	82.4%	74.0%	78.3%	87.4%
2012	85.7%	85.2%	81.2%	71.2%	73.9%	73.3%	80.6%	80.5%	70.5%	75.9%	79.9%	88.7%
2013	83.8%	87.4%	83.3%	84.7%	79.7%	82.9%	80.5%	82.3%	81.0%	81.3%	79.7%	86.5%
2014	79.5%	81.3%	77.1%	78.3%	76.6%	87.6%	84.9%	59.2%	17.7%	1.3%	1.3%	77.0%
2015	80.0%	71.0%	65.1%	58.2%	72.2%	M	81.5%	82.1%	79.5%	73.0%	77.2%	89.4%
2016	84.1%	78.2%	78.4%	65.7%	64.3%	72.3%	89.3%	86.3%	86.5%	84.4%	88.8%	95.6%
2017	96.4%	96.0%	70.1%	57.3%	67.1%	68.3%	77.1%	84.0%	77.8%	74.0%	74.1%	75.5%
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	81.8%	M	M	79.6%	M	M	M	M
2020	82.5%	73.2%	74.8%	61.8%	63.2%	65.3%	76.1%	77.2%	75.8%	70.0%	72.4%	76.0%
2021	81.2%	71.1%	68.0%	61.8%	60.4%	62.3%	77.8%	78.4%	74.7%	77.3%	69.1%	77.3%
2022	73.2%	70.9%	69.8%	71.6%	65.4%	63.4%	76.5%	79.6%	75.2%	64.8%	76.0%	79.8%
2023	85.7%	76.0%	76.1%	66.1%	61.4%	66.9%	77.6%	79.8%	76.5%	77.9%	69.7%	81.2%
2024	82.1%	74.5%	57.5%	65.0%	67.4%	78.3%	82.2%	83.1%	72.6%	60.4%	83.6%	81.4%
2025	68.4%	69.6%	68.7%	64.7%	63.1%	77.0%	81.2%	83.4%	80.9%	73.4%	74.4%	81.6%
2026	75.6%	74.1%	69.9%	67.9%	54.1%	74.4%	80.6%	81.2%	84.8%	M	M	M