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 (USC00028499) 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	0.00	M	M	M
2002	M	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	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	0.09	0.03	0.00	0.05	0.09	0.12	0.04	1.30	0.47	0.01
2026	0.03	0.14	0.00	0.00	M	M	0.01	M	M	M	M	M
NCEI Climatology	1.04	1.16	0.96	0.23	0.18	0.06	0.99	1.30	0.71	0.61	0.65	0.95

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	2.9	M	M
2001	M	M	M	M	M	M	M	M	M	M	M	M
2002	M	5.8	6.9	7.0	7.5	7.7	7.5	6.6	7.0	5.5	5.3	4.5
2003	3.8	5.2	5.8	8.0	6.6	6.5	6.7	6.3	5.5	5.1	4.7	4.5
2004	4.4	4.4	5.9	7.5	6.8	6.2	6.5	6.0	6.6	5.8	5.0	4.4
2005	4.2	5.2	5.9	6.5	5.9	6.2	6.5	6.1	5.6	5.6	4.7	3.0
2006	4.5	3.9	6.7	5.9	6.5	7.5	7.4	6.8	7.1	5.6	4.9	4.7
2007	6.3	5.8	7.0	7.3	7.3	7.1	7.3	6.1	7.4	6.7	3.8	5.1
2008	6.0	4.7	6.5	8.9	8.4	7.6	7.1	6.7	7.0	6.5	5.0	5.2
2009	5.2	5.8	6.4	8.7	7.0	7.5	7.3	6.6	7.0	6.3	4.7	5.1
2010	6.3	5.8	7.0	8.0	7.6	7.1	8.1	7.6	6.5	6.0	7.8	6.5
2011	6.3	8.0	7.6	9.8	9.1	7.8	7.9	6.5	6.6	5.6	5.1	5.3
2012	5.2	5.7	6.7	7.2	8.2	7.3	7.4	6.6	6.2	5.5	4.2	4.6
2013	5.0	6.2	5.4	8.6	8.7	6.8	7.5	6.9	6.6	5.7	6.2	5.2
2014	4.3	4.3	7.2	8.4	8.8	7.5	7.5	7.2	6.5	4.5	5.1	3.4
2015	4.2	4.7	6.3	7.6	8.3	6.9	8.3	6.4	6.2	6.3	4.9	5.0
2016	4.7	5.0	6.6	8.3	8.0	7.0	7.9	8.0	7.4	5.2	6.7	5.5
2017	5.8	6.3	6.9	7.4	8.5	6.8	7.2	6.5	7.1	4.4	2.1	3.0
2018	6.9	5.8	4.6	6.0	6.4	6.2	8.8	7.0	5.8	6.5	4.8	3.7
2019	4.0	6.2	6.2	7.8	8.0	6.8	7.5	5.9	7.1	6.3	5.2	5.0
2020	3.8	6.0	6.3	7.1	6.8	7.4	7.3	6.7	5.8	3.9	3.7	4.1
2021	5.2	4.8	6.6	8.0	6.4	6.9	6.5	5.1	4.6	4.5	2.9	3.4
2022	4.2	5.4	6.9	7.5	7.7	8.0	7.8	6.3	6.5	5.2	4.4	2.3
2023	4.0	6.2	5.8	5.3	6.8	5.2	6.4	6.7	5.1	5.0	5.4	2.9
2024	4.5	4.9	8.3	6.5	7.3	7.3	8.0	7.4	7.1	4.5	3.5	2.8
2025	5.7	4.4	6.5	6.4	6.8	6.3	6.7	6.3	6.2	4.7	2.8	3.1
2026	3.8	4.7	4.9	7.0	7.4	7.4	6.5	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	72.30	72.20	83.40	80.12	95.23	103.40	103.59	106.09	100.94	95.35	84.44	69.51
2000	72.76	75.39	74.85	88.88	98.83	103.28	106.79	103.25	102.20	84.43	70.12	72.76
2001	67.25	71.41	81.24	87.50	100.40	108.98	108.24	107.60	105.08	89.25	74.96	61.03
2002	64.34	71.97	75.25	85.97	92.59	104.99	103.97	103.10	98.11	82.85	75.73	61.92
2003	71.19	65.87	73.60	80.37	92.93	102.10	106.42	101.91	98.97	91.53	69.88	65.37
2004	65.13	63.55	82.32	82.01	94.45	101.75	103.51	100.79	96.17	82.81	68.35	64.26
2005	65.39	64.62	71.78	82.85	93.14	101.23	98.66	99.81	98.33	87.00	76.64	67.28
2006	68.35	72.37	70.09	82.10	95.93	104.66	103.77	100.05	93.86	85.25	77.54	62.95
2007	61.79	70.04	79.15	83.48	91.86	102.39	103.19	101.73	97.16	87.16	78.50	60.10
2008	62.14	65.21	76.83	84.68	88.32	103.44	102.32	100.81	98.12	88.32	76.28	63.06
2009	68.29	70.31	77.35	82.16	96.05	97.46	106.44	104.17	98.18	83.04	77.42	61.85
2010	65.15	65.62	71.19	80.72	89.02	101.96	103.42	101.39	100.58	85.77	72.26	70.67
2011	68.30	66.20	78.57	84.50	89.60	102.68	104.75	106.26	100.10	91.07	74.84	63.30
2012	71.54	69.61	76.13	85.40	95.99	105.86	101.97	102.72	96.44	89.48	78.56	64.11
2013	62.43	64.91	79.67	85.82	93.55	106.04	102.84	102.03	96.56	85.25	75.08	67.59
2014	70.38	76.29	78.63	84.50	92.79	103.64	104.29	99.47	95.84	88.38	75.98	64.63
2015	67.19	74.69	82.86	84.20	87.45	104.36	102.37	104.75	97.76	89.19	71.90	63.12
2016	65.04	79.67	80.43	84.14	90.35	105.50	106.85	101.33	97.22	91.92	76.70	69.28
2017	63.70	71.15	82.86	86.96	92.50	106.22	104.23	103.42	97.88	92.04	81.62	69.63
2018	72.35	72.18	77.58	88.82	94.36	103.58	105.39	102.43	100.34	83.15	74.48	65.74
2019	65.62	62.47	75.26	86.12	86.12	102.08	106.44	105.16	97.76	87.10	76.52	63.70
2020	66.55	69.61	73.28	85.94	98.02	104.00	107.54	108.65	101.96	92.62	79.10	66.66
2021	66.78	71.54	75.37	88.10	94.48	106.22	101.68	101.39	98.66	86.23	82.76	69.02
2022	68.99	72.24	78.92	89.18	97.32	107.30	105.18	101.27	99.44	85.88	70.76	63.65
2023	61.90	66.39	71.25	86.84	93.43	99.92	111.43	106.32	100.34	92.10	78.20	69.28
2024	64.17	69.18	72.94	83.66	94.19	106.16	109.46	105.34	102.62	94.01	73.46	72.86
2025	65.15	75.13	75.72	83.06	92.74	103.58	104.78	106.32	97.88	86.81	77.12	72.01
2026	69.51	77.51	90.12	86.96	93.55	104.84	104.45	M	M	M	M	M
NCEI Climatology	70.59	73.78	80.40	86.90	95.01	103.70	105.90	104.80	100.80	91.00	78.99	69.30

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1999	42.10	33.80	52.80	51.68	61.21	71.12	79.21	80.89	71.60	59.46	47.48	37.92
2000	41.35	45.78	48.49	55.94	63.99	72.62	78.16	80.43	72.02	62.85	44.72	42.05
2001	43.15	44.41	51.39	58.58	67.68	75.80	83.79	81.01	74.66	58.59	49.22	35.43
2002	35.02	37.47	42.25	54.59	55.00	67.01	75.38	75.23	70.93	55.26	45.58	37.61
2003	40.44	42.89	45.20	50.21	61.77	67.85	77.30	79.20	71.17	61.61	44.64	37.76
2004	40.77	39.28	52.87	55.43	61.10	66.77	75.42	75.39	68.37	55.93	47.11	39.85
2005	43.49	47.12	46.33	51.47	62.17	69.19	76.57	76.88	70.03	59.39	46.74	36.41
2006	37.52	40.16	46.52	54.20	64.23	74.84	82.69	79.26	69.80	58.48	47.06	37.05
2007	36.82	42.54	50.17	55.58	68.75	72.50	81.47	80.77	74.06	59.06	51.44	38.62
2008	40.13	41.81	46.52	54.74	60.10	72.50	80.37	79.26	72.32	57.84	48.20	41.06
2009	41.81	43.70	48.95	54.26	67.65	72.50	82.92	78.39	72.56	56.45	47.78	38.68
2010	41.64	44.79	46.81	52.88	58.71	70.88	82.69	79.61	72.74	60.74	44.66	41.75
2011	35.90	38.30	49.19	57.62	59.23	68.00	80.14	82.69	73.52	60.47	45.44	36.99
2012	38.74	42.18	46.34	56.06	63.53	73.04	78.92	80.66	72.62	58.54	47.84	40.71
2013	36.35	40.42	49.25	56.72	65.50	72.14	82.75	80.66	73.58	56.27	51.38	40.42
2014	40.71	45.82	51.63	56.66	65.21	74.36	80.66	76.13	74.30	62.72	48.80	43.55
2015	43.67	49.81	54.59	56.06	62.25	77.60	81.01	81.94	76.04	65.62	46.16	39.78
2016	40.71	46.40	52.09	57.92	64.75	78.62	84.43	80.83	73.10	64.52	52.52	45.65
2017	44.89	48.01	53.89	58.04	65.10	75.32	83.33	80.08	71.06	61.55	54.74	44.02
2018	44.48	45.37	51.51	60.56	65.85	74.30	83.68	80.72	77.68	63.06	47.78	42.22
2019	42.34	43.19	51.10	59.96	61.55	72.50	81.82	83.15	76.10	58.88	52.88	44.89
2020	41.81	44.17	52.38	57.32	68.87	75.38	83.97	83.39	74.06	62.31	51.38	39.90
2021	42.10	45.56	49.25	60.26	65.68	78.50	82.57	81.12	76.52	60.63	53.30	47.60
2022	44.37	44.02	52.15	60.20	68.12	81.32	84.88	80.02	77.78	62.95	45.38	43.67
2023	42.16	43.64	48.90	55.82	68.35	71.06	86.54	85.04	74.30	65.15	54.62	44.54
2024	42.22	47.58	50.23	57.50	65.97	79.46	86.99	85.07	78.14	64.98	46.76	44.12
2025	39.26	47.94	50.97	56.81	64.78	75.19	81.23	82.63	76.87	62.44	52.94	46.68
2026	43.42	51.05	59.48	61.73	67.12	77.19	81.12	M	M	M	M	M
NCEI Climatology	38.50	40.99	45.90	50.89	59.10	67.00	75.79	75.09	68.91	56.31	45.11	37.69

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1999	57.20	53.00	68.10	65.90	78.22	87.26	91.40	93.49	86.27	77.41	65.96	53.72
2000	57.05	60.58	61.67	72.41	81.41	87.95	92.47	91.84	87.11	73.64	57.42	57.40
2001	55.20	57.91	66.32	73.04	84.04	92.39	96.02	94.30	89.87	73.92	62.09	48.23
2002	49.68	54.72	58.75	70.28	73.79	86.00	89.68	89.16	84.52	69.06	60.65	49.76
2003	55.82	54.38	59.40	65.29	77.35	84.97	91.86	90.55	85.07	76.57	57.26	51.56
2004	52.95	51.41	67.60	68.72	77.77	84.26	89.46	88.09	82.27	69.37	57.73	52.05
2005	54.44	55.87	59.05	67.16	77.65	85.21	87.39	88.35	84.18	73.19	61.69	51.84
2006	52.93	56.27	58.30	68.15	80.08	89.75	93.23	89.66	81.83	71.86	62.30	50.00
2007	49.30	56.29	64.66	69.53	80.31	87.24	92.33	91.17	85.61	73.11	64.97	49.36
2008	51.13	53.51	61.67	69.71	74.21	87.92	91.34	90.04	85.22	73.08	62.24	52.06
2009	55.05	57.01	63.15	68.21	81.85	84.98	94.68	91.28	85.37	69.74	62.60	50.26
2010	53.40	55.21	59.00	66.80	73.86	86.42	93.05	90.50	86.66	73.25	58.46	56.21
2011	52.10	52.25	63.88	71.06	74.42	85.34	92.45	94.48	86.81	75.77	60.14	50.15
2012	55.14	55.90	61.24	70.73	79.76	89.45	90.44	91.69	84.53	74.01	63.20	52.41
2013	49.39	52.67	64.46	71.27	79.53	89.09	92.79	91.34	85.07	70.76	63.23	54.01
2014	55.55	61.06	65.13	70.58	79.00	89.00	92.47	87.80	85.07	75.55	62.39	54.09
2015	55.43	62.25	68.73	70.13	74.85	90.98	91.69	93.35	86.90	77.41	59.03	51.45
2016	52.87	63.03	66.26	71.03	77.55	92.06	95.64	91.08	85.16	78.22	64.61	57.46
2017	54.30	59.58	68.38	72.50	78.80	90.77	93.78	91.75	84.47	76.80	68.18	56.82
2018	58.42	58.77	64.55	74.69	80.11	88.94	94.54	91.57	89.01	73.11	61.13	53.98
2019	53.98	52.83	63.18	73.04	73.84	87.29	94.13	94.16	86.93	72.99	64.70	54.30
2020	54.18	56.89	62.83	71.63	83.45	89.69	95.75	96.02	88.01	77.46	65.24	53.28
2021	54.44	58.55	62.31	74.18	80.08	92.36	92.13	91.25	87.59	73.43	68.03	58.31
2022	56.68	58.13	65.53	74.69	82.72	94.31	95.03	90.65	88.61	74.42	58.07	53.66
2023	52.03	55.01	60.07	71.33	80.89	85.49	99.05	95.60	87.32	78.63	66.41	56.91
2024	53.19	58.38	61.58	70.58	80.08	92.81	98.22	95.20	90.38	79.50	60.11	58.49
2025	52.21	61.54	63.34	69.94	78.76	89.39	93.00	94.48	87.38	74.62	65.03	59.34
2026	56.47	64.28	74.80	74.35	80.34	91.02	92.79	M	M	M	M	M
NCEI Climatology	54.55	57.39	63.15	68.90	77.05	85.35	90.85	89.95	84.85	73.66	62.05	53.50

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	57.6%	M	M
2001	M	M	M	M	M	M	M	M	M	M	M	M
2002	M	30.1%	30.5%	31.8%	25.7%	23.4%	33.6%	33.1%	39.0%	41.5%	38.2%	64.7%
2003	55.3%	57.7%	50.2%	31.4%	25.7%	23.0%	32.7%	40.8%	38.0%	35.1%	48.7%	45.8%
2004	55.8%	48.3%	43.6%	35.6%	22.5%	21.7%	30.9%	33.9%	33.5%	44.1%	55.8%	58.1%
2005	71.3%	72.6%	53.4%	31.4%	28.7%	25.2%	35.5%	45.3%	32.0%	42.5%	35.4%	40.2%
2006	34.2%	31.7%	44.6%	31.4%	22.4%	22.8%	37.1%	41.4%	38.6%	37.5%	35.8%	48.9%
2007	51.3%	47.5%	31.6%	31.6%	22.4%	18.3%	37.7%	40.5%	34.2%	30.1%	37.9%	62.2%
2008	54.3%	62.7%	33.3%	20.6%	29.7%	21.9%	39.0%	42.0%	35.9%	28.6%	42.7%	61.1%
2009	53.0%	47.3%	29.1%	27.3%	25.7%	23.2%	30.7%	27.8%	32.6%	31.1%	36.2%	51.5%
2010	53.4%	57.5%	47.5%	30.3%	21.2%	20.7%	34.3%	39.0%	30.1%	46.6%	36.7%	49.2%
2011	42.3%	37.6%	34.3%	28.7%	21.8%	19.4%	31.6%	33.5%	33.3%	34.9%	50.4%	61.8%
2012	44.4%	40.4%	31.9%	25.7%	21.9%	20.9%	38.8%	39.9%	42.2%	34.8%	41.3%	54.4%
2013	49.1%	47.9%	36.5%	23.5%	21.9%	18.9%	40.6%	37.1%	37.6%	29.8%	49.3%	53.3%
2014	42.5%	39.4%	36.0%	22.8%	18.8%	17.7%	33.6%	42.2%	48.9%	46.4%	37.6%	66.4%
2015	61.2%	53.3%	36.9%	26.5%	32.5%	27.7%	34.5%	37.3%	43.7%	47.9%	47.1%	51.0%
2016	56.7%	32.0%	26.7%	28.8%	26.1%	21.3%	28.5%	37.7%	34.2%	32.8%	45.0%	55.9%
2017	60.8%	51.9%	32.7%	21.9%	22.5%	18.0%	37.9%	34.2%	30.3%	26.0%	36.9%	38.0%
2018	37.9%	39.7%	29.6%	18.1%	19.2%	19.8%	33.4%	38.2%	32.7%	54.6%	39.0%	54.9%
2019	59.2%	58.9%	41.6%	28.6%	28.7%	19.2%	26.4%	32.0%	39.4%	24.2%	44.3%	62.6%
2020	58.1%	46.2%	51.6%	29.6%	19.5%	16.9%	24.5%	27.3%	24.9%	23.4%	33.6%	39.4%
2021	42.5%	30.7%	31.4%	19.9%	15.9%	19.0%	45.3%	45.2%	41.4%	34.5%	32.5%	54.0%
2022	46.4%	35.2%	26.8%	20.0%	17.1%	25.6%	33.7%	45.8%	41.2%	40.7%	41.2%	67.1%
2023	61.6%	46.4%	48.2%	21.4%	22.2%	16.4%	21.9%	31.3%	27.9%	28.0%	39.0%	53.9%
2024	60.7%	57.6%	49.6%	30.5%	18.1%	22.2%	29.8%	33.0%	24.8%	25.7%	34.2%	35.6%
2025	28.2%	32.8%	35.6%	25.5%	21.2%	20.9%	26.3%	29.4%	39.3%	43.8%	55.5%	55.7%
2026	49.5%	36.5%	25.3%	22.4%	21.5%	17.9%	32.2%	M	M	M	M	M