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 (USC00096335) 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
1998	M	M	M	M	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1999	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2000	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	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	1.07	2.95	1.05	5.00	1.29	7.27	M	2.54	2.75
2025	2.46	2.73	2.67	1.61	M	M	M	M	M	M	M	M
NCEI Climatology	4.92	5.23	5.37	4.15	3.69	3.90	4.71	4.63	3.87	3.00	4.09	5.14

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1998	M	M	M	M	M	3.6	2.5	1.7	2.3	1.9	2.1	3.4
1999	4.4	3.8	4.5	4.4	2.7	2.8	1.9	2.0	2.4	2.5	2.4	3.4
2000	4.3	3.9	3.8	4.6	3.3	2.4	2.3	1.7	2.8	1.3	2.7	3.3
2001	3.0	1.7	0.5	3.3	2.5	2.0	1.8	2.0	1.6	2.6	2.2	3.3
2002	3.4	3.2	3.3	2.3	2.0	0.9	0.8	1.3	1.9	1.2	1.9	2.9
2003	3.4	2.3	1.3	1.4	0.2	1.0	2.3	1.5	1.7	1.6	2.9	3.5
2004	3.3	4.1	4.3	1.8	2.5	1.9	1.9	1.1	3.4	2.0	2.4	3.0
2005	3.4	3.2	4.3	3.6	1.9	1.8	1.8	1.2	1.2	1.5	2.8	3.0
2006	3.7	3.3	3.7	3.3	2.8	1.4	1.6	1.3	1.3	1.8	2.5	2.5
2007	3.0	3.6	2.6	3.2	1.6	1.7	1.2	1.1	1.3	1.6	2.2	1.8
2008	1.8	2.6	2.8	2.0	2.5	1.6	1.3	1.4	1.0	1.4	1.8	2.9
2009	2.9	3.0	2.4	3.2	0.6	1.2	2.1	1.0	0.7	1.4	1.7	3.0
2010	3.0	3.0	3.0	2.3	1.8	1.4	1.0	0.5	0.6	1.6	4.3	4.7
2011	4.6	5.1	4.8	5.6	4.3	4.2	1.3	0.6	1.0	1.2	2.4	1.6
2012	0.2	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	3.1	6.5	5.3
2014	6.1	5.7	6.2	5.8	3.5	3.1	3.9	3.5	3.7	3.8	5.5	5.3
2015	5.8	7.0	5.2	5.3	4.0	2.6	3.0	4.0	3.9	4.6	5.9	4.9
2016	6.2	6.4	5.6	5.3	4.6	3.8	3.0	3.5	3.2	4.3	4.8	5.7
2017	5.2	5.1	6.5	4.6	4.1	3.2	2.7	2.6	4.0	5.2	4.2	4.8
2018	6.5	5.7	6.4	5.6	3.5	3.0	2.8	2.5	2.8	4.2	5.0	5.0
2019	5.4	5.5	5.7	4.8	3.2	3.4	2.6	3.2	3.2	4.2	4.6	6.5
2020	5.4	5.4	4.6	5.3	4.6	3.5	2.6	2.8	4.9	4.8	5.1	4.8
2021	5.1	6.2	5.9	4.6	4.6	3.5	2.3	3.1	3.0	3.6	4.4	3.9
2022	5.8	5.7	5.8	4.7	3.7	3.5	2.3	2.4	4.0	3.7	5.0	3.8
2023	3.9	3.0	5.4	5.1	4.6	3.2	2.4	2.9	3.4	4.4	4.9	M
2024	6.0	5.6	5.6	5.1	3.4	3.9	3.1	3.6	4.9	3.9	5.1	5.4
2025	5.0	4.9	6.0	5.5	M	M	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
1998	M	M	M	M	M	88.27	88.71	85.90	83.07	76.45	68.00	63.58
1999	64.26	62.57	65.55	75.20	78.52	81.14	87.00	90.84	82.27	71.55	67.03	54.03
2000	47.83	62.63	66.47	69.18	81.75	86.51	90.03	85.95	77.37	74.45	59.30	44.84
2001	50.85	60.39	58.61	72.61	78.93	80.96	85.63	85.14	78.45	71.05	69.80	59.12
2002	55.96	55.20	65.83	74.12	77.73	83.36	87.33	88.25	82.15	70.81	56.89	52.68
2003	48.88	56.00	64.60	70.99	76.27	81.46	84.05	85.51	80.23	73.24	67.71	52.79
2004	51.55	50.97	68.87	72.57	80.94	81.86	86.26	83.34	77.82	73.61	63.84	54.12
2005	56.17	58.33	61.85	70.24	75.82	82.14	85.51	84.41	84.30	72.54	64.75	52.32
2006	59.06	52.96	64.81	76.52	78.57	86.54	89.48	88.79	79.76	70.79	62.96	59.99
2007	54.59	54.93	70.90	70.04	81.01	87.56	84.08	92.21	82.16	74.39	63.20	59.06
2008	51.28	59.31	65.39	70.76	78.30	87.50	87.57	84.55	80.24	69.28	60.56	56.91
2009	53.37	57.84	62.67	70.17	75.08	86.96	85.59	84.03	78.31	70.50	64.70	67.91
2010	48.32	49.94	61.50	77.60	82.57	90.26	90.47	88.90	87.38	77.64	65.60	49.19
2011	49.71	61.38	66.49	77.90	81.24	90.44	89.72	91.40	81.20	72.01	66.08	59.06
2012	57.92	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	69.83	61.89	57.82
2014	49.00	58.82	64.63	73.63	82.35	88.35	88.37	89.87	84.36	77.08	60.51	59.73
2015	53.37	51.52	68.69	75.58	83.31	88.51	91.16	88.66	81.40	73.38	67.53	66.58
2016	52.66	59.52	68.78	74.33	81.08	90.66	92.47	91.04	88.53	80.70	70.47	58.68
2017	62.01	67.04	68.39	78.71	81.50	84.73	90.18	86.71	83.14	75.51	66.64	55.45
2018	51.31	67.52	64.88	72.04	84.31	88.69	88.96	87.40	88.87	76.47	59.85	56.81
2019	55.35	65.48	67.68	77.72	86.75	87.07	91.25	92.55	94.19	79.56	65.07	61.85
2020	60.14	61.17	72.79	72.52	74.23	86.88	92.41	91.13	82.74	78.21	70.92	58.98
2021	56.62	67.14	71.31	75.17	81.44	86.87	88.90	89.57	83.13	74.76	63.96	64.46
2022	53.70	61.95	69.00	73.05	82.02	88.72	89.16	86.57	81.84	72.71	64.80	57.43
2023	59.95	66.40	68.57	72.89	77.35	84.59	89.93	90.18	83.90	74.15	60.65	M
2024	53.62	63.17	67.73	74.94	81.51	89.27	89.76	90.93	83.13	80.82	69.60	57.63
2025	49.92	62.63	69.81	75.94	M	M	M	M	M	M	M	M
NCEI Climatology	54.40	59.61	66.90	74.80	81.30	87.09	89.70	88.90	83.99	74.51	65.59	56.80

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1998	M	M	M	M	M	65.00	69.10	64.55	61.93	48.71	42.90	38.71
1999	33.52	35.29	34.81	51.30	52.00	63.90	66.26	65.48	56.20	47.35	39.17	27.67
2000	27.16	33.45	40.87	40.79	54.94	58.47	63.65	63.45	58.30	43.90	37.13	25.06
2001	25.94	36.68	36.61	46.29	50.77	59.44	62.77	64.33	55.08	40.27	37.87	33.12
2002	30.61	27.46	38.08	48.80	51.33	59.27	65.13	62.20	62.67	54.60	30.43	28.41
2003	26.50	31.74	41.86	46.40	57.20	58.98	64.80	64.86	56.30	43.73	39.19	24.92
2004	27.16	30.96	37.74	40.83	55.29	63.34	64.26	61.32	59.27	52.79	41.31	27.96
2005	30.83	35.18	35.30	42.32	48.30	61.66	66.81	67.38	59.30	47.74	37.48	26.30
2006	33.05	28.53	35.31	47.18	52.38	57.92	64.63	67.01	56.66	43.90	36.80	32.58
2007	31.77	27.76	39.55	41.66	50.93	60.80	64.11	67.54	59.84	50.46	34.16	35.77
2008	28.11	30.39	36.35	45.92	53.86	63.14	64.57	65.15	60.26	46.28	33.68	35.89
2009	29.91	30.46	41.00	44.90	58.83	63.86	63.59	65.97	60.96	51.28	38.96	32.38
2010	26.54	27.69	36.53	47.24	60.05	68.48	69.92	71.31	60.08	47.21	39.32	26.19
2011	27.99	34.12	42.28	49.46	54.53	66.14	69.92	67.71	59.78	45.53	41.36	39.59
2012	49.28	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	50.70	41.25	40.04
2014	26.33	37.36	41.44	51.88	59.09	68.76	68.98	68.74	67.22	53.72	37.22	40.53
2015	33.31	31.27	47.00	56.89	61.25	69.40	72.22	70.55	65.47	55.07	50.14	48.97
2016	33.70	38.05	41.63	52.48	59.23	68.81	71.65	72.40	67.74	56.14	46.52	40.52
2017	42.70	41.72	46.18	56.68	60.12	68.66	71.67	70.96	64.15	55.48	41.83	39.46
2018	31.67	49.69	43.47	48.06	64.42	69.58	71.37	70.71	70.84	57.35	41.01	41.77
2019	42.63	53.04	47.41	54.70	66.24	70.19	73.33	73.39	70.54	60.57	42.35	43.86
2020	42.59	42.97	54.80	51.96	61.27	68.74	73.65	73.10	67.71	59.91	49.91	37.25
2021	39.99	42.97	49.56	52.19	59.51	69.66	72.46	72.95	64.74	56.75	39.22	45.66
2022	33.65	39.36	45.00	49.60	61.87	68.47	71.30	70.10	62.87	48.07	45.82	42.36
2023	41.13	45.74	46.02	51.14	59.31	65.03	70.38	70.19	64.60	53.05	34.25	M
2024	33.78	40.65	48.32	52.64	62.57	68.52	71.58	70.15	65.68	53.50	49.78	37.66
2025	29.04	40.62	40.05	50.32	M	M	M	M	M	M	M	M
NCEI Climatology	30.81	33.69	39.20	47.10	56.11	64.60	68.21	67.70	61.51	49.30	38.70	33.40

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1998	M	M	M	M	M	76.63	78.90	75.23	72.50	62.58	55.45	51.15
1999	48.89	48.93	50.18	63.25	65.26	72.52	76.63	78.16	69.23	59.45	53.10	40.85
2000	37.50	48.04	53.67	54.98	68.35	72.49	76.84	74.70	67.83	59.18	48.22	34.95
2001	38.39	48.54	47.61	59.45	64.85	70.20	74.20	74.74	66.76	55.66	53.83	46.12
2002	43.29	41.33	51.95	61.46	64.53	71.31	76.23	75.23	72.41	62.70	43.66	40.55
2003	37.69	43.87	53.23	58.69	66.74	70.22	74.43	75.18	68.27	58.48	53.45	38.85
2004	39.35	40.96	53.31	56.70	68.11	72.60	75.26	72.33	68.54	63.20	52.57	41.04
2005	43.50	46.75	48.58	56.28	62.06	71.90	76.16	75.90	71.80	60.14	51.12	39.31
2006	46.05	40.74	50.06	61.85	65.47	72.23	77.06	77.90	68.21	57.35	49.88	46.28
2007	43.18	41.34	55.23	55.85	65.97	74.18	74.10	79.87	71.00	62.43	48.68	47.42
2008	39.69	44.85	50.87	58.34	66.08	75.32	76.07	74.85	70.25	57.78	47.12	46.40
2009	41.64	44.15	51.84	57.54	66.95	75.41	74.59	75.00	69.64	60.89	51.83	50.14
2010	37.43	38.81	49.01	62.42	71.31	79.37	80.19	80.11	73.73	62.43	52.46	37.69
2011	38.85	47.75	54.38	63.68	67.88	78.29	79.82	79.55	70.49	58.77	53.72	49.32
2012	53.60	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	60.27	51.57	48.93
2014	37.67	48.09	53.03	62.76	70.72	78.55	78.68	79.31	75.79	65.40	48.86	50.13
2015	43.34	41.40	57.84	66.24	72.28	78.96	81.69	79.61	73.44	64.23	58.84	57.78
2016	43.18	48.78	55.21	63.40	70.15	79.74	82.06	81.72	78.13	68.42	58.50	49.60
2017	52.36	54.38	57.29	67.70	70.81	76.70	80.93	78.84	73.65	65.50	54.23	47.46
2018	41.49	58.60	54.18	60.05	74.36	79.13	80.16	79.05	79.85	66.91	50.43	49.29
2019	48.99	59.26	57.55	66.21	76.50	78.63	82.29	82.97	82.36	70.07	53.71	52.85
2020	51.36	52.07	63.79	62.24	67.75	77.81	83.03	82.11	75.23	69.06	60.42	48.11
2021	48.30	55.05	60.44	63.68	70.47	78.26	80.68	81.26	73.94	65.75	51.59	55.06
2022	43.68	50.66	57.00	61.32	71.94	78.59	80.23	78.34	72.36	60.39	55.31	49.89
2023	50.54	56.07	57.30	62.02	68.33	74.81	80.15	80.19	74.25	63.60	47.45	M
2024	43.70	51.91	58.02	63.79	72.04	78.89	80.67	80.54	74.41	67.16	59.69	47.64
2025	39.48	51.62	54.93	63.13	M	M	M	M	M	M	M	M
NCEI Climatology	42.60	46.65	53.05	60.95	68.71	75.85	78.95	78.30	72.75	61.91	52.15	45.10

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
1998	M	M	M	M	M	81.7%	84.7%	85.8%	85.3%	80.6%	82.5%	85.5%
1999	79.2%	77.0%	67.1%	76.6%	80.3%	88.0%	87.8%	79.3%	78.3%	85.4%	80.5%	79.6%
2000	77.4%	72.4%	75.6%	76.8%	79.8%	79.2%	78.1%	84.1%	89.4%	81.6%	86.2%	82.0%
2001	78.1%	80.0%	74.2%	79.2%	81.0%	89.7%	87.6%	87.8%	86.2%	79.1%	79.1%	80.3%
2002	83.1%	72.0%	76.7%	79.7%	83.8%	85.5%	87.9%	82.6%	89.3%	94.1%	83.1%	84.5%
2003	71.8%	80.9%	86.2%	83.8%	88.0%	89.3%	91.5%	91.8%	85.7%	84.7%	83.9%	81.9%
2004	80.4%	84.1%	71.1%	69.7%	84.1%	92.3%	87.9%	88.8%	90.6%	92.3%	88.0%	83.4%
2005	81.1%	81.3%	78.3%	78.9%	81.9%	90.9%	93.9%	94.6%	88.7%	88.1%	81.9%	83.4%
2006	83.4%	81.2%	75.9%	79.8%	83.8%	81.8%	85.1%	89.6%	89.9%	86.7%	83.2%	83.5%
2007	82.0%	71.0%	76.3%	76.1%	77.3%	82.8%	91.8%	85.4%	90.0%	89.0%	81.2%	88.8%
2008	79.9%	81.7%	77.3%	83.6%	83.8%	82.5%	86.5%	89.3%	89.9%	87.2%	84.3%	86.8%
2009	82.5%	75.2%	79.8%	82.9%	93.2%	86.7%	86.0%	87.2%	86.4%	88.6%	83.6%	76.4%
2010	73.4%	71.2%	74.3%	69.0%	79.2%	79.2%	81.5%	85.6%	78.8%	72.8%	64.7%	60.2%
2011	66.6%	64.2%	70.3%	60.0%	61.3%	65.6%	80.3%	74.4%	78.7%	76.6%	75.8%	77.6%
2012	95.7%	M	M	M	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	78.0%	68.4%	79.8%
2014	61.7%	72.2%	69.3%	71.3%	76.1%	83.1%	78.1%	78.7%	85.4%	77.7%	68.5%	80.9%
2015	71.1%	65.7%	76.9%	76.3%	75.3%	81.6%	81.4%	80.5%	85.9%	83.3%	81.6%	84.8%
2016	72.6%	67.4%	68.4%	69.4%	72.0%	72.2%	79.0%	84.1%	75.3%	70.1%	63.8%	76.7%
2017	77.6%	70.9%	63.3%	71.6%	74.4%	83.7%	82.6%	83.6%	78.5%	78.8%	75.1%	69.6%
2018	55.4%	71.9%	57.4%	58.1%	69.7%	73.0%	73.9%	75.9%	74.7%	70.8%	73.9%	72.7%
2019	68.2%	73.8%	57.6%	66.0%	70.2%	76.3%	75.6%	72.6%	62.2%	74.7%	70.0%	71.9%
2020	71.0%	76.5%	75.2%	66.5%	79.0%	77.6%	77.3%	80.5%	79.1%	74.6%	66.2%	66.2%
2021	66.5%	67.6%	54.5%	51.1%	58.8%	69.7%	73.7%	74.6%	75.1%	80.0%	62.3%	79.6%
2022	64.5%	62.2%	58.5%	61.8%	72.1%	70.8%	80.0%	82.2%	73.2%	64.5%	69.1%	79.1%
2023	71.6%	71.3%	60.6%	64.7%	72.8%	73.8%	76.4%	77.7%	73.1%	70.6%	54.0%	M
2024	67.9%	57.7%	64.7%	64.7%	73.9%	64.1%	78.8%	69.2%	74.5%	65.4%	75.5%	66.2%
2025	61.1%	66.0%	54.3%	61.5%	M	M	M	M	M	M	M	M