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 (USW00023152) 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
1999	M	M	M	M	M	M	M	M	M	M	M	M
2000	M	M	M	M	M	M	M	M	M	0.00	0.00	M
2001	M	M	M	M	M	M	M	M	M	M	M	M
2002	M	M	M	M	M	M	M	0.00	M	M	M	M
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	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
NCEI Climatology	2.97	4.08	2.43	0.74	0.29	0.09	0.01	0.01	0.11	0.60	0.69	2.02

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1999	M	M	M	M	M	M	M	M	M	M	M	M
2000	M	M	M	M	M	M	M	M	M	0.0	0.0	M
2001	M	M	M	M	M	M	M	M	M	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	2.5	3.6	5.2	4.1	3.8	2.2	3.3	3.1	2.2	2.7	1.9	3.2
2004	3.8	4.1	3.3	3.7	3.7	3.1	3.1	2.8	3.3	2.5	2.7	4.2
2005	3.8	3.7	4.2	4.6	3.2	3.3	3.2	2.6	2.6	2.5	3.0	2.6
2006	6.0	3.6	2.7	3.1	3.0	3.8	3.1	2.6	2.5	2.6	3.6	5.0
2007	6.9	4.2	4.2	4.8	4.6	3.5	3.6	3.1	3.3	4.2	2.2	5.0
2008	6.4	3.8	5.1	4.5	4.3	4.4	3.5	3.1	2.9	3.9	4.1	3.1
2009	5.5	4.0	3.8	4.6	4.4	3.3	3.5	3.2	3.0	3.9	3.8	3.2
2010	4.3	3.7	5.0	4.4	6.3	3.7	3.5	3.4	2.8	3.3	7.1	6.4
2011	5.0	4.7	3.8	4.5	4.8	3.4	3.3	3.0	3.2	3.4	3.6	4.6
2012	5.1	5.0	5.1	5.2	4.9	4.6	4.0	3.9	3.3	4.1	3.2	4.2
2013	4.5	4.6	3.9	5.3	5.1	3.8	3.3	3.5	4.0	3.8	3.2	6.4
2014	4.6	3.9	5.2	5.5	6.2	4.2	3.7	4.1	3.5	3.1	3.7	3.8
2015	3.4	3.8	5.8	7.5	6.2	5.8	6.6	4.0	4.5	5.2	6.0	5.3
2016	3.6	6.6	5.1	5.7	3.8	4.0	4.0	3.9	4.1	3.9	3.9	4.3
2017	5.6	4.5	4.6	6.6	4.9	4.0	3.2	3.0	4.4	3.4	2.2	5.4
2018	3.5	4.2	4.2	4.9	3.7	3.8	3.1	2.6	2.6	3.8	2.6	4.4
2019	4.3	5.2	5.6	5.3	3.8	2.7	3.3	2.6	3.0	4.8	2.9	5.2
2020	4.9	4.3	3.9	3.5	2.9	4.0	3.0	2.7	2.2	2.3	3.0	4.6
2021	5.1	7.3	4.9	4.3	5.2	4.2	3.1	3.1	2.6	4.3	3.7	3.6
2022	5.2	8.1	7.0	7.9	8.3	8.8	4.6	3.8	3.6	3.9	7.9	3.4
2023	8.2	7.6	7.1	5.1	4.2	3.9	3.4	3.9	3.7	4.2	2.1	3.2
2024	4.7	5.5	9.3	4.9	3.7	3.0	3.2	2.9	6.3	3.8	5.5	4.7
2025	9.2	6.0	5.3	4.4	7.1	3.0	M	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
1999	63.50	69.80	64.60	67.70	75.43	82.64	90.53	91.81	87.38	88.61	76.00	71.76
2000	68.17	65.64	71.60	78.86	83.27	89.12	91.92	94.19	90.14	75.32	71.43	73.11
2001	63.30	61.83	73.17	71.12	83.79	87.44	88.38	93.26	91.58	83.68	72.74	63.94
2002	66.72	73.46	69.74	73.16	78.57	84.50	91.46	91.28	93.50	77.99	78.38	66.14
2003	77.52	66.48	73.53	69.31	79.60	79.11	94.36	96.39	93.23	88.30	69.94	67.03
2004	66.97	63.69	81.39	78.27	83.19	83.19	92.14	90.59	91.19	79.15	70.43	67.61
2005	68.14	67.32	70.51	76.07	82.21	83.20	94.23	92.39	86.41	79.70	77.18	69.66
2006	67.70	72.24	62.33	69.42	81.44	91.77	97.74	92.43	90.73	80.83	78.73	68.43
2007	64.45	67.83	75.89	75.73	80.81	86.00	91.68	94.63	87.75	82.38	77.17	63.99
2008	62.09	69.27	74.92	77.74	77.29	91.79	92.22	94.41	93.36	88.59	78.00	65.68
2009	72.01	66.26	72.20	74.60	83.62	79.88	94.36	93.14	93.98	80.83	77.72	65.27
2010	69.22	68.51	73.34	72.38	78.05	83.24	87.05	91.28	91.40	77.00	72.26	67.13
2011	69.80	64.40	70.90	75.68	76.83	82.28	90.76	93.95	89.72	81.41	68.12	65.45
2012	69.97	66.14	66.26	72.68	78.10	80.78	86.81	93.14	91.98	81.01	72.62	60.51
2013	64.05	65.24	71.43	73.22	78.86	81.44	86.52	88.61	87.98	77.12	71.48	66.80
2014	73.40	68.96	72.18	73.68	80.66	81.78	88.21	87.45	89.06	82.81	74.18	63.84
2015	69.26	71.20	77.12	73.82	70.38	83.77	83.85	88.94	87.20	83.08	69.86	63.50
2016	62.83	75.70	70.85	74.64	71.14	85.38	88.90	89.37	85.34	79.22	75.14	62.48
2017	60.16	62.86	74.54	75.86	75.44	84.44	90.06	89.54	83.48	83.68	74.54	71.90
2018	69.86	67.42	65.91	74.18	71.89	81.50	93.95	89.43	85.70	78.97	74.06	66.61
2019	63.88	57.52	66.43	74.00	69.22	79.28	87.45	89.54	85.22	81.53	73.70	62.14
2020	66.62	68.93	63.06	71.48	79.54	80.36	87.57	92.04	91.46	84.03	73.00	68.41
2021	66.61	68.51	66.55	73.40	74.39	84.98	89.89	88.50	86.30	76.36	77.12	60.63
2022	67.54	70.80	72.86	75.44	76.19	86.60	88.03	93.08	91.60	80.72	69.38	62.66
2023	61.03	61.31	60.45	72.50	69.97	72.98	93.61	91.34	83.20	87.32	74.23	68.17
2024	64.17	62.29	65.68	70.82	71.54	82.94	92.50	91.63	86.47	84.37	71.12	69.39
2025	66.20	70.25	66.08	70.88	77.46	80.49	M	M	M	M	M	M
NCEI Climatology	67.01	66.84	69.50	72.69	75.50	80.29	86.69	88.90	86.60	79.40	72.50	66.10

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1999	48.70	47.60	51.60	52.10	58.36	63.20	70.67	70.32	65.42	64.17	57.73	54.30
2000	51.74	52.86	56.45	59.60	65.97	70.40	71.37	75.55	70.46	59.06	54.20	52.32
2001	47.79	48.20	57.14	55.46	64.63	69.56	68.06	70.96	68.18	62.19	55.88	49.30
2002	47.62	52.76	53.72	54.74	60.16	66.32	71.48	71.89	70.94	60.05	61.88	50.87
2003	56.63	51.98	58.73	54.95	62.17	63.56	75.25	76.68	69.55	65.97	54.79	50.57
2004	49.71	50.20	63.03	60.33	68.29	66.77	72.58	70.59	72.87	61.08	55.78	52.72
2005	51.19	55.34	56.28	58.25	65.48	65.71	73.36	72.81	67.35	62.07	59.79	52.75
2006	52.22	54.36	50.66	56.21	63.33	72.67	79.14	72.45	71.27	61.43	61.00	51.14
2007	48.94	52.17	56.67	57.11	61.97	67.13	78.86	74.91	70.26	65.40	60.56	49.78
2008	49.61	52.05	55.01	59.58	62.81	73.05	72.97	73.42	73.25	66.95	62.21	50.23
2009	56.33	51.48	54.41	58.82	64.98	64.64	75.08	72.53	73.10	62.72	59.54	50.35
2010	53.66	53.73	57.20	55.58	61.32	65.54	68.06	71.83	70.94	62.72	56.36	53.95
2011	53.54	50.39	55.11	59.24	61.50	63.92	72.30	72.76	69.92	60.74	54.20	50.52
2012	53.02	51.92	51.16	55.82	60.34	61.82	66.03	72.35	71.00	62.83	57.14	49.54
2013	48.08	51.74	54.06	56.36	62.31	64.40	68.52	67.65	68.90	58.07	57.14	53.72
2014	56.10	53.60	53.83	57.27	64.98	63.53	68.52	68.06	70.40	61.85	59.96	51.68
2015	53.00	56.33	60.86	59.36	58.19	66.57	68.06	71.60	72.87	68.00	56.78	48.98
2016	49.54	58.81	54.88	61.05	57.66	67.01	67.13	70.09	67.34	62.36	61.48	51.97
2017	49.88	52.44	57.74	59.60	60.14	66.98	70.38	71.21	69.74	66.37	61.16	57.26
2018	55.86	52.44	52.90	57.20	58.07	62.84	72.88	70.67	65.12	61.67	57.38	50.87
2019	49.65	46.72	52.73	57.92	55.69	62.48	67.88	68.58	67.04	61.96	57.20	50.06
2020	51.32	52.67	51.22	57.62	64.21	63.98	67.19	72.24	69.44	64.69	56.87	52.03
2021	51.28	53.73	49.88	57.74	58.59	64.82	68.99	68.81	65.48	58.42	58.52	47.74
2022	51.86	55.00	56.24	58.10	59.64	67.46	66.95	73.17	73.60	61.79	54.80	49.13
2023	48.61	47.94	48.37	54.50	56.39	58.94	71.25	71.72	67.07	67.17	62.18	53.72
2024	50.81	50.87	52.15	55.16	56.62	64.34	71.02	69.92	66.40	62.77	56.18	52.09
2025	50.41	54.69	51.51	55.76	60.86	62.26	M	M	M	M	M	M
NCEI Climatology	45.31	46.44	49.00	51.90	56.60	59.90	64.50	64.90	62.89	57.50	49.00	44.20

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1999	56.10	58.70	58.10	59.90	66.90	72.92	80.60	81.06	76.40	76.39	66.87	63.03
2000	59.96	59.25	64.02	69.23	74.62	79.76	81.65	84.87	80.30	67.19	62.81	62.72
2001	55.55	55.01	65.15	63.29	74.21	78.50	78.22	82.11	79.88	72.94	64.31	56.62
2002	57.17	63.11	61.73	63.95	69.36	75.41	81.47	81.59	82.22	69.02	70.13	58.51
2003	67.07	59.23	66.13	62.13	70.88	71.34	84.81	86.54	81.39	77.14	62.37	58.80
2004	58.34	56.94	72.21	69.30	75.74	74.98	82.36	80.59	82.03	70.12	63.11	60.16
2005	59.66	61.33	63.39	67.16	73.85	74.45	83.79	82.60	76.88	70.89	68.49	61.20
2006	59.96	63.30	56.50	62.82	72.38	82.22	88.44	82.44	81.00	71.13	69.86	59.78
2007	56.70	60.00	66.28	66.42	71.39	76.56	85.27	84.77	79.00	73.89	68.87	56.89
2008	55.85	60.66	64.96	68.66	70.05	82.42	82.60	83.91	83.31	77.77	70.11	57.95
2009	64.17	58.87	63.41	66.71	74.30	72.26	84.72	82.84	83.54	71.77	68.63	57.81
2010	61.44	61.12	65.27	63.98	69.68	74.39	77.55	81.56	81.17	69.86	64.31	60.54
2011	61.67	57.50	63.01	67.46	69.16	73.10	81.53	83.36	79.82	71.08	61.16	57.98
2012	61.50	59.03	58.71	64.25	69.22	71.30	76.42	82.75	81.56	71.92	64.88	55.02
2013	56.07	58.49	62.75	64.79	70.58	72.92	77.52	78.13	78.44	67.59	64.31	60.26
2014	64.75	61.28	63.01	65.47	72.82	72.66	78.36	77.75	79.73	72.33	67.07	57.76
2015	61.13	63.77	68.99	66.59	64.28	75.17	75.95	80.27	80.03	75.54	63.32	56.24
2016	56.18	67.26	62.86	67.84	64.40	76.19	78.02	79.73	76.34	70.79	68.31	57.23
2017	55.02	57.65	66.14	67.73	67.79	75.71	80.22	80.37	76.61	75.03	67.85	64.58
2018	62.86	59.93	59.41	65.69	64.98	72.17	83.42	80.05	75.41	70.32	65.72	58.74
2019	56.76	52.12	59.58	65.96	62.45	70.88	77.67	79.06	76.13	71.75	65.45	56.10
2020	58.97	60.80	57.14	64.55	71.88	72.17	77.38	82.14	80.45	74.36	64.93	60.22
2021	58.94	61.12	58.22	65.57	66.49	74.90	79.44	78.65	75.89	67.39	67.82	54.18
2022	59.70	62.90	64.55	66.77	67.91	77.03	77.49	83.13	82.60	71.25	62.09	55.89
2023	54.82	54.63	54.41	63.50	63.18	65.96	82.43	81.53	75.13	77.24	68.21	60.95
2024	57.49	56.58	58.91	62.99	64.08	73.64	81.76	80.77	76.43	73.57	63.65	60.74
2025	58.30	62.47	58.80	63.32	69.16	71.37	M	M	M	M	M	M
NCEI Climatology	56.16	56.64	59.25	62.30	66.05	70.09	75.60	76.90	74.74	68.45	60.75	55.15

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
1999	M	M	M	M	M	M	M	M	M	M	M	M
2000	M	M	M	M	M	M	M	M	M	M	M	M
2001	M	M	M	M	M	M	M	M	M	M	M	M
2002	M	M	M	M	M	M	M	M	M	M	M	M
2003	M	46.4%	52.1%	63.6%	64.5%	M	88.3%	M	64.9%	63.6%	M	58.8%
2004	51.8%	16.0%	74.8%	56.4%	45.2%	M	M	66.8%	41.6%	78.5%	49.8%	M
2005	77.6%	50.4%	67.3%	23.1%	55.4%	42.8%	M	M	47.3%	93.8%	M	M
2006	20.3%	72.9%	81.9%	M	M	M	M	73.6%	73.4%	68.4%	M	52.6%
2007	M	63.4%	87.6%	M	64.5%	13.6%	16.3%	13.4%	20.3%	26.6%	31.4%	49.9%
2008	14.9%	59.3%	49.9%	42.6%	45.9%	33.3%	20.5%	21.4%	17.1%	17.3%	23.9%	64.6%
2009	69.2%	82.2%	87.7%	53.0%	54.4%	63.8%	24.9%	44.5%	37.8%	58.2%	40.8%	72.8%
2010	43.6%	M	M	M	81.7%	M	M	29.4%	47.0%	59.7%	45.0%	M
2011	M	83.0%	37.1%	26.2%	M	M	28.6%	M	M	M	54.9%	34.5%
2012	37.2%	45.3%	53.6%	51.9%	57.0%	56.9%	53.1%	46.0%	39.8%	47.5%	52.1%	62.4%
2013	38.8%	40.0%	54.8%	50.9%	55.4%	60.5%	54.7%	49.9%	42.0%	44.6%	41.9%	33.3%
2014	28.3%	47.9%	52.0%	46.1%	43.0%	58.6%	52.6%	50.6%	44.2%	46.1%	36.0%	60.5%
2015	46.7%	48.7%	36.5%	40.8%	60.8%	53.5%	58.0%	47.7%	46.8%	43.1%	30.2%	31.9%
2016	51.0%	29.7%	53.5%	42.7%	65.5%	53.9%	47.5%	48.8%	45.9%	45.9%	37.5%	52.4%
2017	62.6%	66.0%	39.5%	40.0%	53.7%	52.9%	52.3%	53.6%	47.9%	35.9%	40.5%	20.4%
2018	38.8%	34.9%	56.5%	48.6%	63.0%	57.0%	48.6%	51.6%	53.0%	48.7%	38.5%	45.8%
2019	54.6%	58.8%	53.4%	52.2%	66.3%	64.7%	53.7%	48.8%	46.9%	28.9%	40.2%	54.2%
2020	43.8%	38.6%	61.7%	57.8%	49.9%	54.9%	49.0%	46.2%	38.5%	39.7%	37.5%	31.2%
2021	41.6%	37.3%	48.3%	49.7%	60.8%	52.6%	52.7%	48.6%	51.4%	46.2%	42.7%	64.4%
2022	35.1%	27.1%	37.4%	46.2%	53.5%	48.6%	53.4%	41.9%	43.9%	54.6%	41.6%	58.6%
2023	60.7%	47.9%	64.7%	54.6%	70.2%	67.8%	45.7%	49.6%	59.1%	M	77.3%	50.9%
2024	53.7%	68.8%	60.8%	56.8%	69.5%	62.0%	49.4%	46.4%	54.4%	43.3%	34.5%	45.6%
2025	34.9%	52.0%	59.1%	53.4%	60.6%	71.1%	M	M	M	M	M	M