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 (USC00207222) 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
2000	M	M	M	M	M	M	M	M	M	M	M	0.00
2001	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2002	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2003	0.00	0.00	0.00	0.00	0.00	0.00	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	0.00	0.00	0.00	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	0.00	0.00	0.00	0.00	0.00	0.00
2009	0.00	0.00	0.00	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	0.00	0.00
2013	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	0.00	0.00	M	M	M	M	M
2017	M	M	M	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	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	0.32	1.40	0.79
2024	1.21	0.18	2.05	2.18	3.31	3.32	2.61	2.48	0.77	1.64	2.63	1.50
2025	M	0.12	1.88	1.98	3.60	2.67	1.26	2.77	2.02	3.16	0.70	1.45
2026	0.69	0.64	3.67	5.23	0.51	4.50	1.77	1.65	M	M	M	M
NCEI Climatology	2.25	2.02	2.00	3.61	3.59	3.48	3.36	3.49	2.68	2.93	2.62	2.03

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	M	M	M	M	M	M	M	M	M	M	M	8.8
2001	9.2	10.7	9.5	10.5	8.3	5.9	6.6	7.1	7.5	10.3	9.6	9.4
2002	10.9	11.5	11.0	10.1	9.8	7.4	6.6	6.1	6.3	7.5	9.6	10.5
2003	11.2	10.5	9.2	8.9	8.7	6.8	6.6	5.7	7.1	8.4	9.9	9.3
2004	10.1	7.9	10.8	11.1	8.2	7.7	6.8	6.9	6.3	8.7	8.3	10.7
2005	8.8	7.4	8.1	9.5	7.9	7.0	5.9	6.0	7.3	7.7	12.0	9.2
2006	9.5	9.5	8.5	8.7	8.4	6.3	6.8	6.1	7.0	8.5	7.1	10.6
2007	9.9	11.0	10.8	10.1	8.0	6.8	5.9	5.8	7.0	8.8	9.7	8.9
2008	11.0	9.3	9.1	9.9	9.2	7.9	7.0	5.5	5.4	7.5	9.1	10.9
2009	8.6	10.2	9.3	11.2	9.3	6.2	6.6	7.0	5.1	8.1	6.8	9.2
2010	9.6	7.9	8.0	9.9	8.3	7.9	6.6	6.7	8.4	8.9	9.5	10.1
2011	8.5	11.8	8.5	11.1	10.0	8.0	6.0	6.0	7.1	8.0	9.9	8.8
2012	9.1	8.3	10.3	9.4	7.6	8.2	6.0	5.3	6.2	8.5	6.8	8.6
2013	10.2	9.3	9.0	10.4	7.6	6.3	5.5	5.3	6.1	7.6	11.1	7.8
2014	12.0	9.3	9.4	9.8	8.1	7.0	6.8	4.8	5.6	7.9	10.5	8.0
2015	9.7	9.7	9.2	9.4	9.0	7.3	5.9	6.1	5.8	9.2	9.8	9.5
2016	10.0	10.2	8.5	8.2	7.5	7.0	7.0	5.4	6.4	7.2	8.7	10.6
2017	8.2	10.0	10.2	10.5	9.4	8.3	6.0	5.8	5.5	8.7	8.9	8.8
2018	10.1	9.2	9.3	9.2	8.1	7.4	5.9	5.6	6.1	8.4	8.8	7.4
2019	9.9	10.2	9.4	11.0	8.2	6.8	6.9	5.7	6.5	8.1	7.9	9.0
2020	8.4	10.5	9.5	9.3	8.4	7.0	5.8	5.6	6.9	7.5	10.2	9.1
2021	7.4	8.5	10.9	8.8	7.6	7.3	6.3	5.1	7.0	6.3	8.6	9.1
2022	9.0	10.8	9.4	9.2	8.1	7.5	7.0	5.7	6.0	7.6	9.5	9.5
2023	7.2	10.7	9.1	8.8	6.7	6.1	5.4	6.0	4.5	7.4	9.2	8.6
2024	8.2	9.9	11.0	11.5	8.6	9.3	6.5	6.6	7.0	9.2	9.5	10.1
2025	11.9	10.3	11.9	11.2	9.7	8.5	7.0	6.9	5.8	7.3	10.0	11.3
2026	11.4	9.5	11.2	10.7	9.9	8.5	7.3	6.1	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
2000	M	M	M	M	M	M	M	M	M	M	M	27.06
2001	32.99	34.12	42.45	61.70	72.47	80.54	86.93	85.13	71.78	60.80	54.56	40.76
2002	37.57	38.43	39.95	56.00	62.72	78.08	83.04	79.15	77.66	55.63	42.80	34.15
2003	25.90	27.89	42.57	53.60	63.47	75.26	79.90	80.77	72.98	60.16	48.62	36.94
2004	23.87	30.51	44.66	59.30	66.37	75.14	77.93	75.78	76.88	59.99	47.06	32.06
2005	27.88	34.19	37.98	59.12	64.05	81.50	81.82	81.24	77.84	61.44	49.82	29.68
2006	38.56	32.19	44.25	61.88	69.16	76.82	83.36	80.14	69.26	55.69	48.74	40.54
2007	32.70	26.34	46.86	53.72	72.12	81.32	80.72	79.73	75.02	66.03	44.12	33.16
2008	33.39	28.90	38.21	61.46	66.61	78.03	79.73	75.72	70.28	56.62	43.34	31.65
2009	23.75	34.51	45.18	55.40	66.49	73.46	75.72	76.25	72.74	55.17	50.78	32.64
2010	29.21	31.42	49.01	62.12	69.86	76.70	83.68	82.98	69.20	60.92	48.62	30.90
2011	25.90	30.97	37.57	53.36	66.08	75.86	86.00	78.57	69.98	61.09	50.84	38.33
2012	35.89	37.15	58.25	57.38	72.70	81.32	87.28	79.61	72.08	59.58	46.04	39.32
2013	33.57	30.84	38.15	53.06	72.65	75.68	81.06	77.75	71.60	61.26	42.98	28.81
2014	23.80	23.84	34.03	57.26	68.81	78.98	77.52	77.99	71.24	59.75	40.82	36.99
2015	27.47	20.62	40.77	56.60	72.01	75.62	80.72	77.81	76.52	60.05	52.70	44.31
2016	31.54	35.17	46.34	51.92	69.45	78.68	83.62	82.98	75.02	63.12	53.60	33.05
2017	33.80	42.03	41.70	60.86	66.90	78.98	80.31	76.25	76.10	64.05	43.46	30.14
2018	30.32	34.96	38.68	47.78	74.33	77.54	82.28	80.14	72.74	57.55	38.12	35.37
2019	27.82	31.74	40.13	56.36	66.49	76.46	85.07	79.55	74.00	58.83	39.02	37.98
2020	34.61	32.56	46.34	52.34	64.57	80.18	84.55	80.60	70.70	56.21	52.58	36.63
2021	31.71	28.04	51.43	60.09	69.66	81.01	79.94	82.25	73.29	64.17	47.11	41.23
2022	27.10	32.86	43.92	53.37	71.63	79.70	83.05	80.43	73.18	61.73	50.56	36.31
2023	35.95	38.42	42.36	59.37	69.90	78.88	81.24	76.38	72.97	61.62	46.88	42.63
2024	29.96	43.30	48.37	60.14	72.35	79.10	81.41	79.73	78.32	66.49	49.22	34.44
2025	26.72	28.85	49.94	58.34	65.68	80.00	83.91	79.73	76.28	64.28	46.22	32.17
2026	26.80	35.56	47.35	63.15	69.95	79.52	85.10	81.23	M	M	M	M
NCEI Climatology	30.01	32.83	43.10	56.40	69.10	78.90	83.01	81.60	74.30	60.70	46.30	35.10

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	M	M	M	M	M	M	M	M	M	M	M	12.14
2001	22.13	22.94	27.88	40.22	52.09	59.30	61.90	63.94	51.38	43.15	39.08	29.36
2002	24.97	23.19	23.64	38.18	41.70	58.64	63.18	59.17	52.94	37.57	29.96	21.49
2003	12.08	10.91	20.21	32.96	44.48	52.58	59.06	58.36	49.34	39.26	33.86	25.50
2004	8.02	14.06	30.61	36.74	46.52	54.38	58.42	55.28	52.76	42.51	33.20	20.21
2005	14.87	19.91	20.97	36.08	43.21	61.70	61.26	60.45	54.08	44.60	32.72	20.74
2006	27.06	18.56	25.90	37.52	49.25	56.54	62.84	59.23	50.54	39.43	35.12	30.32
2007	20.15	10.59	28.92	35.60	48.20	57.92	58.19	60.34	53.06	47.56	30.86	22.30
2008	20.91	15.61	24.57	38.96	42.22	58.04	59.35	54.53	49.16	36.01	32.12	18.65
2009	7.79	19.40	26.02	34.76	44.31	53.96	54.41	57.14	49.10	38.91	33.74	22.88
2010	17.48	20.24	29.56	38.96	50.12	57.44	62.83	62.02	51.02	41.17	32.24	20.56
2011	11.62	15.54	23.06	35.24	48.14	55.94	63.47	58.94	49.82	41.75	35.60	28.34
2012	22.71	24.68	38.15	35.60	50.52	57.74	63.99	58.30	49.58	42.16	31.22	28.63
2013	20.27	17.54	25.26	35.30	49.83	58.58	61.15	56.85	48.08	41.41	29.30	17.66
2014	9.60	6.86	17.54	35.90	47.79	58.82	57.43	58.19	50.12	41.64	28.46	26.83
2015	14.00	3.20	23.81	35.12	49.25	55.04	59.00	59.29	55.04	43.09	35.78	32.52
2016	20.68	21.70	29.97	32.78	47.04	55.64	62.48	62.72	55.04	44.25	36.86	23.35
2017	24.45	26.79	26.31	40.34	46.40	58.10	60.10	56.04	51.20	45.30	30.38	18.06
2018	15.57	19.27	24.45	29.78	51.22	56.72	60.86	61.79	54.02	41.00	29.84	27.94
2019	14.64	17.34	24.63	38.48	47.50	56.72	64.28	58.19	55.46	41.81	27.74	27.01
2020	26.37	20.77	29.91	33.56	45.59	56.00	63.65	59.70	49.46	38.74	36.38	26.15
2021	22.77	12.50	29.06	38.27	45.92	60.94	61.34	61.97	52.84	50.05	32.36	29.11
2022	10.92	18.49	27.69	35.23	51.21	56.92	60.46	60.55	54.17	40.10	33.00	26.65
2023	27.57	22.96	27.83	39.00	44.46	55.92	61.92	57.53	54.54	47.16	30.20	33.05
2024	22.22	26.23	30.49	39.32	50.93	59.72	62.14	59.87	52.82	42.63	37.22	24.28
2025	13.65	15.67	27.94	36.14	46.46	60.08	63.24	58.13	51.14	42.97	30.56	17.54
2026	12.53	17.19	27.99	39.19	43.76	57.15	63.17	61.74	M	M	M	M
NCEI Climatology	15.91	16.92	25.01	35.31	47.40	57.50	61.59	60.41	52.00	41.20	31.20	22.90

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	M	M	M	M	M	M	M	M	M	M	M	19.60
2001	27.56	28.53	35.16	50.96	62.28	69.92	74.42	74.53	61.58	51.97	46.82	35.06
2002	31.27	30.81	31.80	47.09	52.21	68.36	73.11	69.16	65.30	46.60	36.38	27.82
2003	18.99	19.40	31.39	43.28	53.98	63.92	69.48	69.57	61.16	49.71	41.24	31.22
2004	15.95	22.29	37.63	48.02	56.45	64.76	68.17	65.53	64.82	51.25	40.13	26.14
2005	21.37	27.05	29.47	47.60	53.63	71.60	71.54	70.85	65.96	53.02	41.27	25.21
2006	32.81	25.38	35.08	49.70	59.20	66.68	73.10	69.68	59.90	47.56	41.93	35.43
2007	26.43	18.47	37.89	44.66	60.16	69.62	69.45	70.03	64.04	56.79	37.49	27.73
2008	27.15	22.26	31.39	50.21	54.41	68.03	69.54	65.13	59.72	46.31	37.73	25.15
2009	15.77	26.95	35.60	45.08	55.40	63.71	65.07	66.69	60.92	47.04	42.26	27.76
2010	23.35	25.83	39.29	50.54	59.99	67.07	73.25	72.50	60.11	51.05	40.43	25.73
2011	18.76	23.26	30.32	44.30	57.11	65.90	74.74	68.75	59.90	51.42	43.22	33.34
2012	29.30	30.91	48.20	46.49	61.61	69.53	75.64	68.96	60.83	50.87	38.63	33.97
2013	26.92	24.19	31.71	44.18	61.24	67.13	71.11	67.30	59.84	51.34	36.14	23.23
2014	16.70	15.35	25.79	46.58	58.30	68.90	67.48	68.09	60.68	50.70	34.64	31.91
2015	20.74	11.91	32.29	45.86	60.63	65.33	69.86	68.55	65.78	51.57	44.24	38.42
2016	26.11	28.43	38.15	42.35	58.25	67.16	73.05	72.85	65.03	53.69	45.23	28.20
2017	29.13	34.41	34.00	50.60	56.65	68.54	70.21	66.14	63.65	54.67	36.92	24.10
2018	22.94	27.11	31.56	38.78	62.77	67.13	71.57	70.96	63.38	49.27	33.98	31.65
2019	21.23	24.54	32.38	47.42	57.00	66.59	74.68	68.87	64.73	50.32	33.38	32.49
2020	30.49	26.66	38.13	42.95	55.08	68.09	74.10	70.15	60.08	47.47	44.48	31.39
2021	27.24	20.27	40.25	49.18	57.79	70.98	70.64	72.11	63.06	57.11	39.73	35.17
2022	19.01	25.67	35.81	44.30	61.42	68.31	71.76	70.49	63.68	50.91	41.78	31.48
2023	31.76	30.69	35.10	49.18	57.18	67.40	71.58	66.96	63.76	54.39	38.54	37.84
2024	26.09	34.76	39.43	49.73	61.64	69.41	71.77	69.80	65.57	54.56	43.22	29.36
2025	20.18	22.26	38.94	47.24	56.07	70.04	73.57	68.93	63.71	53.63	38.39	24.86
2026	19.66	26.38	37.67	51.17	56.86	68.34	74.14	71.48	M	M	M	M
NCEI Climatology	22.96	24.88	34.05	45.85	58.25	68.20	72.30	71.00	63.15	50.95	38.75	29.00

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
2000	M	M	M	M	M	M	M	M	M	M	M	78.6%
2001	80.5%	72.6%	68.8%	65.7%	65.5%	69.7%	61.2%	68.2%	77.3%	70.1%	72.1%	78.1%
2002	77.0%	70.8%	71.3%	68.4%	65.5%	69.7%	65.8%	73.6%	69.4%	73.6%	73.4%	76.9%
2003	70.0%	67.4%	71.2%	66.1%	73.3%	68.0%	68.8%	72.5%	69.7%	68.5%	77.0%	75.8%
2004	74.8%	78.0%	74.3%	59.2%	74.5%	68.9%	73.7%	73.4%	70.0%	74.3%	76.1%	76.6%
2005	77.3%	77.6%	72.5%	59.3%	64.3%	71.0%	73.0%	72.4%	67.8%	73.6%	73.4%	80.5%
2006	81.1%	73.7%	69.7%	63.6%	70.0%	67.3%	73.8%	74.4%	77.9%	75.7%	78.1%	79.4%
2007	78.6%	74.6%	69.5%	66.6%	61.8%	63.0%	70.1%	74.1%	71.6%	75.7%	77.3%	82.0%
2008	80.1%	79.4%	73.7%	64.2%	63.8%	71.2%	71.8%	75.0%	76.0%	67.8%	79.2%	83.5%
2009	80.9%	79.4%	70.3%	67.4%	60.7%	69.6%	70.1%	75.3%	76.7%	79.4%	81.7%	82.7%
2010	80.5%	80.9%	71.2%	59.5%	64.2%	71.2%	67.6%	69.7%	71.1%	69.1%	74.0%	78.0%
2011	78.9%	74.6%	76.7%	71.1%	70.9%	67.6%	64.8%	72.3%	74.4%	74.2%	77.1%	82.0%
2012	81.1%	80.9%	70.8%	62.7%	63.8%	60.8%	65.2%	74.8%	72.2%	77.4%	79.5%	85.3%
2013	80.3%	81.5%	77.3%	72.5%	65.8%	72.3%	75.8%	72.7%	72.4%	75.3%	74.9%	83.5%
2014	77.3%	74.0%	69.9%	62.9%	66.1%	65.0%	71.1%	81.8%	81.0%	78.2%	76.7%	82.8%
2015	77.1%	71.5%	68.3%	68.8%	67.5%	73.6%	71.6%	78.7%	78.9%	76.7%	76.9%	86.7%
2016	82.1%	80.2%	77.4%	66.7%	60.2%	57.1%	66.6%	74.8%	75.9%	78.2%	73.1%	73.6%
2017	78.1%	68.1%	65.8%	63.3%	57.2%	59.5%	67.9%	75.8%	72.8%	74.1%	76.6%	77.3%
2018	78.4%	78.9%	71.8%	67.1%	64.7%	66.8%	65.3%	77.6%	77.8%	75.4%	77.5%	82.9%
2019	74.6%	77.2%	68.5%	66.5%	70.9%	69.0%	66.0%	67.5%	75.7%	75.8%	77.5%	77.4%
2020	78.1%	71.7%	74.1%	65.9%	66.2%	60.3%	69.1%	71.5%	73.3%	74.7%	71.1%	73.9%
2021	81.3%	73.8%	60.3%	61.0%	59.2%	69.3%	75.6%	80.3%	78.5%	86.4%	69.7%	73.9%
2022	69.3%	69.0%	70.0%	65.9%	63.5%	61.1%	64.1%	73.7%	72.9%	69.3%	68.9%	74.8%
2023	80.3%	70.3%	81.2%	73.4%	67.2%	71.4%	80.3%	76.9%	79.2%	77.5%	72.3%	83.2%
2024	84.9%	70.9%	69.7%	65.6%	69.6%	70.4%	75.1%	76.6%	72.9%	65.9%	79.1%	80.4%
2025	71.2%	74.2%	66.2%	59.6%	69.8%	68.0%	72.2%	73.0%	73.7%	74.2%	70.7%	74.6%
2026	72.8%	73.6%	68.9%	69.2%	57.4%	68.3%	69.1%	75.2%	M	M	M	M