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 (USC00138568) 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
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
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	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	2.99	3.01	2.92	3.17	5.23	1.76	3.21	0.03	0.51
2008	0.02	0.63	0.67	3.50	0.11	0.23	3.91	2.25	2.86	0.71	0.40	0.35
2009	0.00	0.52	0.95	1.97	1.91	4.53	3.14	4.32	0.75	2.47	0.30	0.01
2010	0.16	0.01	0.20	2.10	1.17	4.55	1.69	0.32	1.83	0.01	0.12	0.02
2011	0.00	0.08	0.44	0.86	0.10	2.77	0.03	0.38	0.54	0.71	1.19	0.98
2012	0.04	0.06	0.98	1.49	0.00	0.00	0.00	2.49	1.41	2.22	0.93	0.26
2013	0.18	0.18	0.98	3.83	7.49	4.82	2.26	0.69	1.40	1.45	1.43	0.05
2014	0.04	0.16	0.56	3.38	2.11	4.11	M	1.99	1.93	2.23	0.41	0.52
2015	0.12	0.05	0.12	2.48	3.19	6.92	2.14	3.46	3.35	1.08	1.85	2.73
2016	0.07	0.15	1.37	1.06	1.71	5.35	0.99	0.34	M	M	M	0.10
2017	0.16	0.31	M	0.03	M	M	0.00	0.04	M	M	M	M
2018	M	M	M	0.03	M	M	M	0.74	3.34	3.09	0.20	0.21
2019	0.11	0.16	0.40	1.17	4.04	1.79	0.75	1.82	2.48	4.81	0.75	0.12
2020	0.03	0.16	0.99	1.29	3.04	0.23	M	0.17	3.96	1.14	0.89	0.11
2021	0.03	0.14	0.78	0.39	1.19	2.48	0.22	2.99	1.68	2.92	0.82	0.43
2022	M	0.01	0.53	0.01	M	1.73	M	M	M	1.07	1.52	0.10
2023	0.69	0.24	0.68	0.49	0.94	1.17	1.20	1.83	0.80	1.83	0.09	0.51
2024	0.81	0.20	1.11	1.32	5.68	2.03	1.01	0.07	0.03	1.54	1.38	0.54
2025	M	0.02	0.96	1.79	0.97	2.88	6.75	2.54	0.86	M	0.60	0.33
2026	0.87	0.28	1.21	2.73	0.53	5.62	3.21	0.42	8.56	1.89	1.94	M
NCEI Climatology	1.19	1.30	2.05	3.90	5.01	5.62	4.15	4.22	3.68	3.22	2.05	1.59

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
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	7.5	6.4	5.6	7.9	7.6	7.7	8.7
2003	9.4	9.4	9.5	10.4	8.6	6.6	6.6	5.1	7.2	7.2	9.5	9.7
2004	9.9	9.3	11.4	9.6	9.3	6.4	5.6	6.2	7.6	9.0	8.2	9.9
2005	8.2	7.8	10.2	9.5	8.9	7.9	5.8	5.0	6.8	7.2	10.7	7.5
2006	10.5	9.6	10.6	10.8	9.3	6.6	5.7	5.5	6.6	8.8	8.2	9.3
2007	9.7	10.3	10.6	11.7	10.1	7.7	6.5	6.1	7.8	9.2	10.0	8.4
2008	10.0	9.7	9.2	11.0	9.9	8.6	6.4	5.7	6.7	8.5	9.8	10.6
2009	9.2	10.4	10.6	10.3	8.8	6.1	5.5	6.6	4.2	8.4	8.4	9.2
2010	7.9	7.4	8.2	10.4	8.8	6.6	5.8	5.5	8.3	7.4	10.5	8.5
2011	8.2	9.9	9.6	12.1	10.5	8.9	5.8	5.0	6.6	7.7	9.9	8.4
2012	9.8	9.3	10.6	10.4	9.9	8.5	5.8	5.1	6.2	8.2	8.2	8.4
2013	10.0	10.7	9.2	10.9	9.7	7.9	6.0	4.7	6.8	7.7	9.8	8.3
2014	11.5	8.9	10.6	12.0	8.6	7.6	M	5.2	5.3	7.3	9.1	6.6
2015	8.2	8.7	8.5	9.9	9.3	6.1	5.1	5.4	6.4	7.5	10.0	9.7
2016	8.1	9.3	9.3	10.8	7.2	6.8	5.5	4.7	7.3	7.2	8.2	9.8
2017	8.6	9.2	10.8	9.8	8.6	7.6	4.6	4.2	5.3	8.3	7.9	8.3
2018	8.4	8.1	9.1	9.7	6.8	7.5	5.3	5.0	6.1	7.2	8.6	7.6
2019	8.9	9.7	9.1	10.4	8.1	6.4	5.7	4.5	7.0	7.5	7.9	8.1
2020	8.6	8.2	9.5	9.6	7.9	7.9	6.0	5.7	7.5	8.3	9.1	7.2
2021	7.2	7.6	9.2	9.2	8.5	5.7	4.8	5.4	5.5	7.1	9.0	5.6
2022	2.3	8.5	10.0	11.6	9.4	7.3	6.2	5.2	6.4	6.9	9.6	10.5
2023	8.0	8.7	9.9	10.9	8.1	5.3	4.7	5.5	6.0	8.0	6.9	6.9
2024	8.0	8.4	10.2	11.2	7.5	8.0	4.2	5.4	5.1	8.2	8.4	7.6
2025	8.6	7.7	9.6	10.4	7.6	7.1	5.4	4.4	4.3	7.4	8.3	8.6
2026	8.5	8.1	9.9	10.1	7.8	6.8	5.2	6.3	6.8	7.8	8.6	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
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
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	84.49	93.80	85.25	80.80	59.49	48.24	42.23
2003	31.60	35.13	48.94	66.07	73.05	82.16	84.95	85.49	76.12	67.34	45.42	35.64
2004	25.37	32.59	51.66	66.82	73.70	79.15	79.49	76.47	77.22	61.00	50.82	36.87
2005	28.61	39.62	48.89	65.89	69.47	85.95	86.81	84.33	81.73	65.66	50.19	25.50
2006	38.79	35.47	45.18	64.28	70.79	79.79	85.63	81.39	69.43	56.91	48.98	40.07
2007	31.38	24.45	50.99	58.15	75.17	81.26	84.17	83.86	77.87	64.87	46.35	28.72
2008	25.57	25.83	39.92	57.05	68.54	79.01	83.59	80.25	73.93	62.59	45.21	28.45
2009	22.39	35.41	48.27	59.90	71.09	79.75	77.17	77.73	75.57	53.73	52.38	29.18
2010	21.57	28.46	50.51	68.75	72.79	82.85	87.12	85.01	75.06	68.75	48.22	29.47
2011	27.08	34.44	48.03	60.14	73.52	81.08	87.57	82.16	70.16	65.62	49.82	39.03
2012	36.06	37.71	62.41	61.69	79.09	85.03	91.06	83.56	75.64	60.88	50.70	35.82
2013	31.05	30.94	35.26	54.85	70.80	79.86	84.21	83.47	82.00	63.12	44.31	26.44
2014	23.05	21.30	41.82	59.35	73.65	81.74	M	82.28	75.36	62.15	40.62	36.16
2015	31.83	29.30	49.29	65.16	72.29	80.70	84.15	81.51	82.81	66.08	53.50	43.22
2016	29.29	37.20	56.36	62.38	74.51	86.33	83.54	82.81	78.62	68.81	56.66	34.67
2017	34.79	47.43	46.28	69.68	76.64	85.21	87.27	81.43	83.13	65.46	48.80	35.67
2018	31.42	33.45	45.40	53.75	81.48	85.86	85.85	84.07	77.80	59.08	37.32	36.66
2019	25.50	23.46	39.38	61.88	70.34	82.23	88.79	82.70	80.97	59.46	42.55	41.61
2020	32.61	34.66	51.41	60.55	69.74	91.10	85.33	86.93	75.36	59.33	55.11	37.65
2021	31.37	22.25	52.64	62.68	69.63	80.94	86.44	87.47	82.76	67.95	51.55	43.20
2022	25.47	33.40	48.74	57.19	76.10	86.49	87.07	84.28	79.03	65.58	50.14	33.11
2023	33.58	40.68	46.92	64.54	79.95	87.23	87.32	86.74	82.23	64.83	51.78	42.84
2024	34.72	49.70	52.77	62.22	75.15	83.73	77.66	82.69	81.63	71.13	51.17	37.03
2025	29.77	30.67	57.05	61.59	73.35	84.09	84.70	81.63	81.01	68.12	48.88	31.40
2026	25.91	41.07	57.76	66.32	76.29	81.65	88.35	82.01	75.86	71.66	55.04	M
NCEI Climatology	25.60	30.60	44.41	58.70	69.41	78.30	81.41	79.31	73.49	60.20	44.20	31.00

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
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	64.26	73.28	62.54	55.04	40.87	29.04	23.45
2003	13.75	12.53	27.54	41.63	49.01	58.04	64.34	61.40	50.56	40.84	29.89	21.17
2004	9.64	16.21	34.88	42.01	54.54	59.86	60.35	56.57	51.60	41.27	33.85	21.28
2005	13.99	24.91	29.02	44.18	48.06	63.32	64.40	61.10	56.78	42.06	31.01	14.23
2006	26.48	14.39	27.99	42.20	48.61	57.45	64.74	62.31	49.25	37.92	31.28	23.81
2007	14.61	9.46	32.93	35.30	52.97	59.29	60.43	64.95	52.33	46.26	27.98	14.31
2008	8.05	9.67	23.29	37.41	45.39	58.71	63.55	58.64	52.58	38.93	28.88	6.64
2009	3.99	17.06	28.10	36.25	48.94	58.84	57.05	57.83	50.45	37.22	34.35	13.79
2010	7.39	8.94	30.34	45.12	49.82	58.48	66.48	64.64	52.94	40.35	30.53	14.77
2011	10.43	18.58	29.23	40.76	52.21	61.05	68.35	60.74	48.62	41.70	30.14	24.05
2012	17.25	23.74	41.39	40.39	53.62	60.21	68.23	58.18	47.34	38.25	29.00	18.67
2013	11.73	15.67	19.45	34.39	50.34	61.52	62.67	60.99	57.29	42.23	24.99	8.16
2014	2.06	2.82	21.30	37.38	50.21	61.86	M	63.39	51.84	41.63	21.97	24.42
2015	14.12	3.30	26.57	39.71	52.78	60.52	63.49	60.06	59.19	43.22	34.87	31.19
2016	14.65	23.92	35.05	41.32	50.23	62.91	65.78	64.63	58.82	46.75	26.36	16.09
2017	20.79	26.21	30.32	43.46	48.98	60.27	64.19	57.53	55.46	46.19	28.16	16.40
2018	11.50	14.91	27.18	30.71	58.98	64.66	63.18	63.48	56.31	39.18	23.55	21.26
2019	15.38	12.92	23.93	39.35	49.04	60.92	67.06	60.59	61.11	39.44	25.94	23.69
2020	18.21	17.84	34.45	37.26	50.16	68.08	69.80	61.30	52.75	38.68	33.09	20.78
2021	17.17	5.23	34.29	42.23	50.99	63.82	64.39	63.90	55.63	48.41	30.59	24.59
2022	5.38	11.58	29.90	36.26	53.81	61.55	65.57	63.36	55.39	38.99	28.89	16.64
2023	20.10	19.98	28.32	39.31	52.37	60.20	62.24	62.39	56.27	43.72	29.01	28.53
2024	20.30	24.26	30.48	40.58	51.33	62.26	59.48	61.33	53.23	42.43	34.84	28.26
2025	9.42	12.57	30.91	39.33	48.88	62.53	66.58	60.62	54.78	45.88	30.23	12.88
2026	9.56	19.83	31.50	43.00	49.97	60.33	67.34	62.09	61.10	48.49	37.88	M
NCEI Climatology	8.10	12.48	23.80	34.91	46.60	56.60	60.20	57.69	49.50	37.31	25.22	14.51

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
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	74.37	83.54	73.90	67.92	50.18	38.64	32.84
2003	22.67	23.83	38.24	53.85	61.03	70.10	74.65	73.44	63.34	54.09	37.66	28.41
2004	17.50	24.40	43.27	54.41	64.12	69.51	69.92	66.52	64.41	51.14	42.33	29.07
2005	21.30	32.27	38.95	55.04	58.77	74.63	75.60	72.72	69.26	53.86	40.60	19.86
2006	32.64	24.93	36.59	53.24	59.70	68.62	75.18	71.85	59.34	47.42	40.13	31.94
2007	22.99	16.60	41.96	46.73	64.07	70.27	72.30	74.40	65.10	55.56	37.17	21.51
2008	16.81	17.75	31.61	47.23	56.97	68.86	73.57	69.44	63.25	50.76	37.04	17.55
2009	13.19	26.24	38.18	48.08	60.01	69.30	67.11	67.78	63.01	45.47	43.37	21.49
2010	14.48	18.70	40.43	56.94	61.30	70.66	76.80	74.83	64.00	54.55	39.37	22.12
2011	18.76	26.51	38.63	50.45	62.86	71.06	77.96	71.45	59.39	53.66	39.98	31.54
2012	26.66	30.73	51.90	51.04	66.35	72.62	79.65	70.87	61.49	49.57	39.85	27.25
2013	21.39	23.31	27.35	44.62	60.57	70.69	73.44	72.23	69.64	52.67	34.65	17.30
2014	12.55	12.06	31.56	48.37	61.93	71.80	M	72.84	63.60	51.89	31.30	30.29
2015	22.97	16.30	37.93	52.43	62.53	70.61	73.82	70.78	71.00	54.65	44.19	37.21
2016	21.97	30.56	45.70	51.85	62.37	74.62	74.66	73.72	68.72	57.78	41.51	25.38
2017	27.79	36.82	38.30	56.57	62.81	72.74	75.73	69.48	69.30	55.83	38.48	26.04
2018	21.46	24.18	36.29	42.23	70.23	75.26	74.51	73.78	67.05	49.13	30.43	28.96
2019	20.44	18.19	31.65	50.62	59.69	71.57	77.92	71.64	71.04	49.45	34.24	32.65
2020	25.41	26.25	42.93	48.91	59.95	79.59	77.56	74.11	64.05	49.01	44.10	29.21
2021	24.27	13.74	43.46	52.46	60.31	72.38	75.41	75.68	69.19	58.18	41.07	33.90
2022	15.43	22.49	39.32	46.73	64.96	74.02	76.32	73.82	67.21	52.29	39.52	24.87
2023	26.84	30.33	37.62	51.92	66.16	73.71	74.78	74.57	69.25	54.28	40.40	35.69
2024	27.51	36.98	41.63	51.40	63.24	72.99	68.57	72.01	67.43	56.78	43.01	32.64
2025	19.59	21.62	43.98	50.46	61.11	73.31	75.64	71.13	67.90	57.00	39.56	22.14
2026	17.73	30.45	44.63	54.66	63.13	70.99	77.84	72.05	68.48	60.07	46.46	M
NCEI Climatology	16.85	21.54	34.11	46.81	58.00	67.45	70.80	68.50	61.49	48.75	34.71	22.75

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
1995	M	M	M	M	M	M	M	M	M	M	M	M
1996	M	M	M	M	M	M	M	M	M	M	M	M
1997	M	M	M	M	M	M	M	M	M	M	M	M
1998	M	M	M	M	M	M	M	M	M	M	M	M
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	67.5%	73.8%	78.0%	68.2%	74.8%	72.3%	75.0%
2003	65.0%	73.3%	71.5%	63.4%	65.9%	66.1%	72.6%	71.0%	66.6%	67.0%	80.6%	84.4%
2004	78.8%	85.0%	89.1%	74.0%	76.9%	72.9%	83.8%	81.7%	66.6%	80.3%	80.5%	78.8%
2005	82.2%	81.1%	67.6%	61.7%	63.9%	70.0%	72.8%	75.4%	69.0%	71.0%	72.4%	85.4%
2006	81.4%	68.9%	73.5%	63.3%	67.8%	67.6%	75.8%	78.5%	75.7%	69.1%	74.4%	77.7%
2007	79.8%	72.8%	77.0%	64.6%	63.1%	71.3%	71.3%	80.6%	70.1%	73.6%	67.9%	83.8%
2008	78.8%	79.7%	76.0%	72.1%	65.6%	70.9%	75.2%	75.3%	78.3%	70.6%	75.1%	78.4%
2009	75.1%	73.9%	68.4%	64.1%	63.6%	73.5%	76.7%	79.7%	76.6%	79.6%	75.4%	81.8%
2010	82.4%	78.6%	71.7%	61.2%	66.6%	76.8%	78.2%	86.7%	73.4%	60.2%	69.0%	74.3%
2011	70.8%	68.8%	64.7%	61.7%	57.9%	66.2%	73.3%	71.7%	70.1%	60.8%	69.9%	77.6%
2012	72.6%	76.6%	67.7%	63.1%	55.3%	56.6%	63.2%	64.9%	60.6%	65.0%	69.3%	77.5%
2013	71.7%	75.5%	73.9%	67.0%	69.6%	69.8%	66.9%	70.4%	63.2%	64.7%	70.6%	76.8%
2014	69.4%	71.1%	67.1%	62.3%	68.7%	74.9%	M	79.5%	73.5%	68.9%	71.7%	80.1%
2015	77.0%	70.5%	63.9%	56.2%	69.6%	73.0%	73.8%	74.7%	68.9%	66.1%	72.9%	81.0%
2016	78.0%	73.5%	71.8%	62.3%	61.4%	64.0%	76.5%	79.7%	73.4%	72.5%	71.3%	76.4%
2017	79.4%	69.8%	66.6%	65.8%	63.5%	59.5%	72.4%	75.3%	67.0%	71.1%	69.3%	66.6%
2018	72.9%	72.9%	68.7%	59.8%	65.4%	70.8%	72.8%	78.9%	75.0%	74.0%	78.0%	83.6%
2019	80.6%	80.4%	73.0%	69.5%	75.5%	71.8%	74.2%	77.4%	83.4%	75.5%	79.7%	80.1%
2020	82.7%	74.0%	75.3%	65.0%	70.8%	66.8%	69.0%	70.8%	74.2%	65.8%	75.0%	81.1%
2021	84.3%	74.8%	70.5%	59.1%	71.1%	72.5%	79.0%	78.2%	72.8%	79.6%	67.7%	74.1%
2022	75.1%	70.8%	70.0%	67.6%	64.0%	62.2%	74.1%	80.9%	72.7%	62.0%	71.1%	76.9%
2023	87.2%	73.6%	70.7%	56.4%	52.1%	61.8%	74.4%	79.2%	77.3%	77.6%	68.7%	78.3%
2024	89.6%	68.7%	65.0%	66.1%	70.7%	70.2%	81.3%	80.8%	71.3%	59.2%	88.9%	91.2%
2025	69.6%	72.1%	67.4%	67.9%	64.2%	75.2%	82.8%	80.9%	72.3%	68.6%	73.7%	80.8%
2026	72.9%	69.3%	65.8%	68.3%	48.6%	71.9%	79.9%	78.0%	85.8%	71.9%	84.1%	M