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 (USW00053862) 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	6.29	0.78	0.27	2.07	6.54	4.27	12.95	0.34	0.22	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	3.05	5.10	0.42	0.85	2.37
2002	5.01	0.56	6.35	3.29	3.20	10.16	8.20	9.16	4.53	2.20	1.81	4.23
2003	M	M	M	M	M	M	M	M	M	M	M	M
2004	M	M	M	M	M	M	M	M	M	M	M	M
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	M	M	M	M	M	M	M
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	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	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	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	1.50	4.39	2.17	0.11	1.67	0.41	2.96
2021	1.69	5.48	1.73	5.29	1.49	12.44	10.39	6.19	2.69	4.62	1.54	2.21
2022	3.32	1.12	12.73	0.90	2.39	5.04	8.63	6.07	2.37	0.26	2.60	1.22
2023	1.87	4.41	5.43	2.66	4.31	11.75	5.12	5.57	0.07	0.10	0.15	0.23
2024	0.23	0.06	0.16	0.15	4.23	3.24	9.14	10.54	5.26	0.03	0.04	M
2025	0.08	0.09	0.12	0.11	0.10	0.08	0.15	0.06	0.18	0.03	M	0.13
2026	0.05	0.02	0.02	0.02	1.62	3.59	6.37	7.01	0.91	M	M	M
NCEI Climatology	3.72	3.58	4.62	3.65	3.80	6.46	6.67	6.77	5.20	1.96	1.89	3.19

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1998	M	M	7.3	7.9	6.5	7.2	3.4	4.3	6.5	4.4	4.0	5.3
1999	5.8	6.1	6.8	7.1	6.1	5.1	2.2	0.0	1.9	5.9	4.7	5.3
2000	6.3	5.3	6.4	7.6	7.1	5.6	5.1	4.4	6.4	4.9	5.3	5.6
2001	5.6	5.7	8.8	6.4	6.3	5.5	5.2	4.2	5.1	6.6	5.4	4.7
2002	5.9	6.0	7.1	6.0	7.3	5.2	3.7	3.5	4.6	4.0	4.8	2.9
2003	4.7	6.4	6.3	5.4	6.0	5.2	4.3	4.4	4.9	5.0	5.7	5.6
2004	3.9	4.2	6.4	6.1	4.3	3.5	4.0	4.2	9.1	4.0	5.6	6.0
2005	5.9	6.4	7.0	6.7	5.0	4.2	5.2	0.5	3.8	5.1	6.0	6.2
2006	6.6	6.4	6.8	7.5	6.6	5.3	4.5	4.3	4.4	4.9	5.9	5.7
2007	6.1	6.4	6.3	7.0	6.2	5.7	4.6	3.3	4.9	5.6	4.4	4.4
2008	5.9	5.8	6.6	5.9	7.3	4.5	4.2	5.4	5.2	5.3	5.3	5.5
2009	6.0	5.9	6.4	7.7	6.2	4.6	4.3	3.4	3.9	5.0	4.9	6.1
2010	6.3	6.0	6.6	5.5	4.8	4.0	4.5	4.4	3.6	3.8	6.2	7.1
2011	6.7	6.9	7.4	7.3	6.6	6.4	3.9	3.9	4.2	4.8	5.6	5.5
2012	5.1	5.9	5.9	5.6	5.5	5.8	4.1	4.3	4.1	4.6	4.0	5.0
2013	5.9	6.2	6.3	5.6	4.7	5.2	4.1	3.6	3.5	3.3	5.7	5.0
2014	5.6	4.2	5.3	5.5	3.9	3.8	3.6	3.6	3.1	2.9	4.6	4.0
2015	4.9	6.0	5.2	4.4	4.2	3.9	4.3	3.5	3.7	4.4	4.5	4.8
2016	5.0	6.4	5.8	5.1	4.4	3.6	3.8	3.7	2.6	3.9	3.5	4.5
2017	5.6	5.0	5.6	5.5	5.9	3.6	3.2	3.1	3.4	5.1	3.3	4.6
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	4.6	5.2	3.7	3.6	4.6	5.2	4.7	6.1
2020	5.8	6.6	5.8	5.9	6.1	4.3	4.2	3.7	4.7	2.8	0.0	0.0
2021	0.0	0.0	0.0	5.1	5.7	4.6	3.5	4.3	3.3	3.7	3.9	4.4
2022	5.9	5.2	6.1	6.1	4.8	4.0	3.1	2.8	4.3	3.6	6.0	4.1
2023	5.0	6.2	4.7	6.0	4.6	5.2	3.2	3.4	3.8	4.5	4.9	5.2
2024	6.0	5.4	5.7	5.9	4.8	5.0	2.7	5.0	4.9	5.0	4.6	4.8
2025	5.1	5.0	6.6	5.1	4.4	4.0	4.4	3.6	3.8	5.1	3.6	3.9
2026	4.7	6.0	5.8	5.6	4.9	4.9	3.2	3.8	3.2	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	70.52	77.77	87.52	93.79	89.00	90.55	85.60	83.32	76.62	70.29
1999	68.87	70.18	72.35	79.93	83.23	85.90	89.75	90.61	87.40	80.65	73.47	65.35
2000	63.94	70.03	76.48	77.23	86.00	88.77	90.06	90.94	84.27	80.94	72.03	63.65
2001	65.25	72.54	70.26	80.33	86.52	88.67	89.58	88.87	84.07	79.71	77.13	69.87
2002	64.42	66.32	75.28	82.03	85.77	87.63	89.29	87.39	87.53	81.71	69.30	63.87
2003	59.23	66.69	73.42	77.63	84.71	86.07	86.74	86.52	84.21	78.00	75.30	63.55
2004	63.83	62.14	74.55	77.43	84.33	87.74	89.20	87.19	84.53	81.71	73.37	62.94
2005	66.03	67.39	69.42	75.53	81.94	87.20	91.03	89.45	90.67	80.16	73.53	61.10
2006	66.55	65.57	73.68	81.90	85.61	89.77	92.19	92.00	86.57	80.19	71.63	70.61
2007	66.39	67.04	78.03	78.27	88.45	90.93	91.52	93.03	89.63	82.97	74.83	72.87
2008	64.97	72.28	74.94	80.61	86.71	91.83	91.39	89.23	90.93	82.58	73.30	70.58
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	93.00	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	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	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	69.96	70.14	80.82	80.91	84.60	92.55	92.12	90.98	87.41	84.78	78.84	66.76
2021	65.41	69.24	75.30	77.70	85.21	88.51	89.01	90.57	88.13	82.91	72.42	74.40
2022	65.45	72.32	77.67	81.32	87.77	93.56	91.25	92.44	87.83	82.21	76.38	69.14
2023	70.50	75.72	77.06	81.42	85.39	88.79	92.47	93.90	89.24	82.01	73.01	67.50
2024	65.15	69.96	76.62	79.81	87.42	92.50	92.43	92.82	87.22	83.81	79.19	69.58
2025	61.37	72.32	76.04	83.12	86.76	90.35	93.55	91.38	90.06	82.35	76.72	69.04
2026	66.53	69.63	80.09	83.75	87.63	92.47	93.61	92.30	90.62	M	M	M
NCEI Climatology	66.40	69.81	75.20	80.40	87.10	89.90	92.00	90.90	89.10	82.49	73.80	68.40

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1998	M	M	46.58	55.33	64.29	71.32	75.06	72.21	72.03	59.77	55.28	48.35
1999	41.58	45.64	44.35	57.97	63.38	70.07	72.61	73.26	66.83	59.10	47.00	39.26
2000	39.42	41.41	49.68	50.63	63.40	68.90	71.87	71.29	69.67	53.48	48.10	39.65
2001	38.50	50.32	49.61	56.03	60.87	70.63	72.74	70.97	65.83	55.84	51.47	47.90
2002	43.42	40.89	49.03	61.93	63.39	70.13	71.81	70.41	71.83	63.90	44.43	38.94
2003	33.23	43.14	55.58	53.93	64.03	70.27	71.23	72.59	69.42	60.08	51.10	36.68
2004	38.29	40.79	48.84	50.13	63.07	71.15	71.48	71.81	70.17	62.10	51.83	39.35
2005	44.68	45.18	47.84	51.49	60.58	71.00	73.99	73.87	69.87	58.74	49.00	35.93
2006	43.32	41.11	47.52	58.40	61.61	68.80	71.29	73.60	67.63	55.77	47.30	48.13
2007	46.16	40.21	51.43	51.80	61.48	70.83	73.32	75.13	71.07	65.26	47.13	50.19
2008	43.33	44.52	48.77	56.23	64.97	72.03	74.03	75.26	71.33	59.97	47.20	46.48
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	69.00	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	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	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	46.48	47.36	57.35	58.42	60.05	71.49	74.07	74.22	71.84	66.84	57.10	39.94
2021	44.24	48.00	53.93	56.46	62.04	71.16	73.98	74.89	70.51	62.35	44.88	53.60
2022	40.99	46.27	52.58	57.30	64.56	72.19	73.27	72.58	69.69	53.90	55.58	45.02
2023	45.16	53.09	54.34	59.28	64.12	70.49	75.06	75.17	69.72	59.56	50.72	47.68
2024	43.73	44.97	55.05	56.67	67.46	73.16	75.50	74.98	72.79	60.45	57.40	44.01
2025	35.24	49.46	50.02	57.60	65.24	71.63	74.86	73.82	66.40	59.56	46.79	44.36
2026	39.39	41.78	52.86	56.31	64.80	71.45	74.24	74.25	74.78	M	M	M
NCEI Climatology	41.11	44.08	49.19	54.60	62.80	70.40	72.39	72.51	69.41	58.99	48.50	43.90

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1998	M	M	58.55	66.55	75.90	82.55	82.03	81.38	78.82	71.55	65.95	59.32
1999	55.23	57.91	58.35	68.95	73.31	77.98	81.18	81.94	77.12	69.87	60.23	52.31
2000	51.68	55.72	63.08	63.93	74.70	78.83	80.97	81.11	76.97	67.21	60.07	51.65
2001	51.88	61.43	59.94	68.18	73.69	79.65	81.16	79.92	74.95	67.77	64.30	58.89
2002	53.92	53.61	62.15	71.98	74.58	78.88	80.55	78.90	79.68	72.81	56.87	51.40
2003	46.23	54.92	64.50	65.78	74.37	78.17	78.98	79.56	76.82	69.04	63.20	50.11
2004	51.06	51.46	61.69	63.78	73.70	79.44	80.34	79.50	77.35	71.90	62.60	51.15
2005	55.35	56.29	58.63	63.51	71.26	79.10	82.51	81.66	80.27	69.45	61.27	48.52
2006	54.94	53.34	60.60	70.15	73.61	79.28	81.74	82.80	77.10	67.98	59.47	59.37
2007	56.27	53.62	64.73	65.03	74.97	80.88	82.42	84.08	80.35	74.11	60.98	61.53
2008	54.15	58.40	61.85	68.42	75.84	81.93	82.71	82.25	81.13	71.27	60.25	58.53
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	81.00	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	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	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	58.22	58.75	69.08	69.66	72.32	82.02	83.10	82.60	79.63	75.81	67.97	53.35
2021	54.82	58.62	64.61	67.08	73.62	79.83	81.50	82.73	79.32	72.63	58.65	64.00
2022	53.22	59.30	65.12	69.31	76.17	82.87	82.26	82.51	78.76	68.06	65.98	57.08
2023	57.83	64.40	65.70	70.35	74.76	79.64	83.76	84.54	79.48	70.78	61.86	57.59
2024	54.44	57.46	65.84	68.24	77.44	82.83	83.96	83.90	80.01	72.13	68.30	56.80
2025	48.30	60.89	63.03	70.36	76.00	80.99	84.20	82.60	78.23	70.96	61.75	56.70
2026	52.96	55.70	66.48	70.03	76.21	81.96	83.93	83.28	82.70	M	M	M
NCEI Climatology	53.76	56.94	62.20	67.50	74.95	80.15	82.20	81.70	79.26	70.74	61.15	56.15

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
1998	M	M	63.9%	74.2%	75.7%	74.2%	85.5%	81.8%	84.5%	77.7%	83.9%	82.2%
1999	77.3%	72.7%	64.5%	75.5%	74.8%	71.2%	81.9%	83.2%	78.5%	73.9%	77.8%	76.2%
2000	75.3%	69.6%	71.0%	68.5%	74.0%	77.8%	82.4%	81.8%	85.6%	74.1%	77.4%	73.8%
2001	72.5%	77.0%	72.7%	69.9%	69.1%	79.0%	81.8%	80.5%	80.3%	67.6%	75.6%	78.9%
2002	83.7%	67.8%	71.5%	75.5%	71.5%	82.0%	84.2%	85.3%	83.7%	81.8%	79.6%	78.7%
2003	70.0%	78.2%	82.1%	75.6%	77.8%	85.4%	85.5%	87.1%	81.5%	84.2%	81.3%	77.1%
2004	75.1%	76.7%	67.9%	70.3%	75.9%	81.1%	82.0%	84.1%	82.9%	81.6%	80.4%	75.2%
2005	77.1%	75.8%	74.1%	69.0%	74.5%	80.8%	78.9%	82.5%	72.8%	76.6%	77.4%	79.7%
2006	78.5%	72.5%	66.5%	70.8%	70.2%	72.6%	73.4%	78.1%	76.9%	69.9%	72.5%	73.3%
2007	72.4%	64.0%	61.4%	61.7%	57.1%	70.1%	73.1%	75.4%	72.6%	73.1%	66.8%	72.2%
2008	68.5%	65.0%	61.2%	63.8%	64.5%	70.4%	72.1%	75.2%	66.6%	63.3%	65.1%	75.9%
2009	73.8%	66.7%	72.9%	71.9%	81.2%	82.0%	83.5%	84.9%	82.5%	81.8%	78.5%	81.3%
2010	71.1%	70.0%	71.1%	70.7%	77.0%	77.0%	77.0%	83.0%	75.2%	71.6%	73.0%	66.8%
2011	73.0%	75.1%	71.9%	72.4%	65.6%	70.3%	75.2%	74.6%	72.5%	67.9%	70.7%	71.5%
2012	69.2%	72.6%	71.5%	64.7%	66.2%	74.0%	76.9%	80.4%	77.2%	73.6%	74.2%	75.9%
2013	71.6%	69.0%	64.3%	76.6%	72.5%	79.6%	82.9%	80.3%	77.5%	75.0%	74.8%	79.9%
2014	72.5%	79.7%	76.9%	83.3%	79.5%	85.8%	79.8%	78.1%	84.9%	77.8%	75.0%	83.2%
2015	77.6%	72.7%	79.8%	84.4%	72.2%	81.4%	85.9%	68.5%	81.1%	77.4%	78.5%	80.4%
2016	72.6%	66.8%	72.6%	69.8%	70.2%	75.5%	77.5%	80.9%	79.5%	70.8%	69.8%	75.4%
2017	74.9%	73.8%	66.2%	68.0%	70.9%	82.9%	80.3%	82.2%	78.3%	74.2%	77.5%	80.0%
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	74.7%	81.5%	83.1%	86.2%	77.0%	81.2%	80.4%	81.5%
2020	76.1%	79.7%	78.4%	75.7%	69.2%	77.9%	84.0%	86.5%	86.6%	83.7%	80.3%	80.6%
2021	82.7%	83.4%	78.4%	75.4%	76.0%	87.7%	90.9%	83.9%	80.1%	77.8%	73.4%	85.4%
2022	73.7%	72.0%	72.6%	69.4%	74.5%	76.3%	75.9%	70.1%	74.0%	70.8%	74.7%	73.7%
2023	73.7%	76.5%	73.4%	72.0%	73.3%	78.3%	81.0%	79.0%	73.7%	72.2%	74.7%	74.0%
2024	71.5%	70.8%	72.0%	71.1%	75.6%	72.5%	80.1%	75.9%	80.6%	67.9%	74.8%	70.9%
2025	66.2%	68.2%	53.1%	61.9%	75.9%	78.7%	77.5%	80.2%	71.3%	73.7%	71.4%	76.4%
2026	71.6%	72.1%	70.7%	67.7%	76.0%	74.1%	78.3%	81.7%	84.7%	M	M	M