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 (USC00112140) 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
1972	M	M	M	M	M	M	M	M	M	M	M	0.00
1973	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1974	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1975	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1976	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1977	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1978	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1979	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1980	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1981	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1982	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
1983	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M	M	M	M
1984	M	M	M	M	M	M	M	M	M	M	M	M
1985	M	M	M	M	M	M	M	M	M	M	M	M
1986	M	M	M	M	M	M	M	M	M	M	M	M
1987	M	M	M	M	M	M	M	M	M	M	M	M
1988	M	M	M	M	M	M	M	M	M	M	M	M
1989	M	M	M	M	M	M	M	M	M	M	M	M
1990	M	M	M	M	M	M	M	M	M	M	M	M
1991	M	M	M	M	M	M	M	M	M	M	M	M
1992	M	M	M	M	M	M	M	M	M	M	M	M
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	M	M	M	M	M	M	M	M	M	M	M
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	0.00	0.00	0.00	0.00	0.00	0.00
2002	2.28	3.37	3.05	5.45	4.20	2.06	2.49	4.57	0.95	2.05	1.13	0.96
2003	M	M	M	M	0.00	1.25	5.03	1.32	M	M	M	0.00
2004	2.09	0.30	6.17	1.74	3.58	5.17	3.76	3.93	0.11	3.97	5.43	1.39
2005	6.31	2.07	1.06	10.86	1.11	2.46	1.28	1.55	1.45	0.28	1.93	1.03
2006	1.34	0.31	2.86	2.65	1.22	1.74	6.50	1.00	1.98	4.76	3.29	4.12
2007	2.67	1.34	2.13	2.25	1.01	1.85	1.94	3.39	2.24	3.45	1.63	2.93
2008	4.82	3.67	2.54	1.41	5.56	6.74	1.99	0.13	1.77	0.58	0.26	3.22
2009	0.10	2.04	1.65	3.48	0.00	0.05	2.25	0.48	0.20	1.30	1.80	2.03
2010	0.44	0.22	1.84	1.38	4.85	4.63	1.74	0.00	0.00	0.06	2.29	0.75
2011	0.36	1.76	1.77	7.31	3.24	2.36	1.34	1.30	1.68	0.24	1.84	0.95
2012	3.21	0.71	1.05	2.18	1.99	0.91	2.25	5.11	4.83	5.02	0.93	2.59
2013	3.71	2.28	0.45	7.14	0.53	2.87	2.93	2.13	1.44	7.22	0.95	1.90
2014	0.36	1.41	1.20	2.52	1.62	7.61	2.82	3.74	3.10	3.89	1.45	1.11
2015	0.87	0.39	1.08	4.05	4.14	7.80	4.30	1.02	4.74	1.36	2.50	6.84
2016	0.50	0.56	3.49	2.58	1.70	3.97	6.48	5.44	4.96	1.06	3.59	1.19
2017	2.69	0.97	2.52	5.61	7.42	2.94	1.75	3.42	0.70	2.28	3.66	0.18
2018	0.84	5.19	2.97	1.56	2.50	5.18	0.93	7.00	4.88	3.28	3.19	3.72
2019	2.24	1.00	2.96	5.62	5.03	5.98	1.89	1.91	3.56	4.66	1.91	1.89
2020	5.15	1.95	2.26	4.10	4.46	5.24	7.49	2.43	4.43	2.60	3.10	1.77
2021	2.27	1.28	3.52	2.09	3.90	8.71	4.69	5.23	3.51	6.70	1.40	1.92
2022	0.46	3.39	3.42	2.29	3.13	1.62	2.67	7.76	0.91	0.74	2.43	2.16
2023	2.17	2.99	5.36	2.11	1.11	0.91	3.13	4.82	0.95	2.58	0.21	1.44
2024	3.70	0.37	1.22	5.86	2.94	1.24	5.83	3.69	1.09	0.20	1.51	M
NCEI Climatology	2.47	2.33	3.23	4.46	4.63	5.18	4.34	3.31	3.26	3.66	3.70	2.73

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1972	M	M	M	M	M	M	M	M	M	M	M	0.0
1973	4.0	4.7	4.5	2.8	4.5	3.5	2.7	2.5	2.3	3.4	3.5	5.4
1974	4.0	6.1	5.6	5.5	4.3	3.7	3.0	2.6	3.7	3.5	3.7	4.0
1975	4.7	4.4	6.7	5.3	3.4	4.1	3.8	3.2	4.0	3.8	3.3	3.9
1976	4.4	4.9	5.0	5.3	4.5	3.8	3.8	4.5	3.9	4.2	4.5	5.8
1977	5.9	5.2	5.0	4.3	3.7	4.8	3.7	3.2	2.8	4.1	3.3	3.5
1978	6.1	5.6	4.9	4.8	4.2	3.3	4.5	3.0	3.4	4.3	4.5	5.7
1979	6.9	5.2	5.0	5.5	5.0	7.0	4.4	4.1	7.4	5.7	5.7	5.2
1980	5.8	6.3	8.5	8.8	4.1	5.2	4.1	3.5	2.7	3.4	4.3	2.8
1981	4.0	5.8	6.5	5.3	3.4	2.0	2.3	3.6	2.5	4.5	4.1	4.7
1982	4.8	4.8	4.1	4.7	2.8	5.2	2.8	2.5	3.2	3.7	3.3	3.8
1983	4.5	7.4	6.7	4.5	3.9	3.9	M	M	M	M	M	M
1984	M	M	M	M	M	M	M	M	M	M	M	M
1985	M	M	M	M	M	M	M	M	M	M	M	M
1986	M	M	M	M	M	M	M	M	M	M	M	M
1987	M	M	M	M	M	M	M	M	M	M	M	M
1988	M	M	M	M	M	M	M	M	M	M	M	M
1989	M	M	M	M	M	M	M	M	M	M	M	M
1990	M	M	M	M	M	M	M	M	M	M	M	M
1991	M	M	M	M	M	M	M	M	M	M	M	M
1992	M	M	M	M	M	M	M	M	M	M	M	M
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	M	M	M	M	M	M	M	M	M	M	M
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	3.3	4.4	5.9	9.3	9.0	9.2
2002	10.0	10.8	9.5	10.0	8.2	5.8	4.6	5.5	5.8	6.8	10.2	10.4
2003	M	M	M	M	19.0	6.5	5.8	3.9	M	M	M	0.0
2004	9.5	7.7	10.5	11.7	9.9	6.8	5.8	5.5	5.5	8.4	8.9	10.8
2005	9.0	8.6	10.2	10.4	8.6	6.8	5.3	4.3	5.3	6.6	11.6	8.4
2006	11.3	10.2	10.2	10.0	8.2	6.6	6.1	5.4	6.2	9.1	8.6	10.5
2007	11.3	10.5	10.8	10.8	8.2	6.4	4.5	4.8	5.2	7.9	9.0	8.4
2008	11.7	10.5	10.0	10.3	8.9	7.6	4.8	3.4	3.5	5.5	8.1	12.3
2009	10.1	11.9	10.5	11.2	7.1	6.8	4.7	4.8	4.6	7.2	7.5	10.3
2010	8.7	8.3	8.6	10.1	8.6	6.8	5.5	4.5	6.8	6.9	9.8	9.6
2011	8.6	10.5	10.4	11.7	9.2	7.4	4.4	4.7	6.7	7.3	12.6	6.1
2012	10.8	7.9	10.3	10.1	8.0	7.1	5.6	4.5	6.1	10.5	6.9	9.3
2013	10.8	10.2	9.6	10.4	9.3	7.6	5.0	3.9	5.0	7.3	10.3	9.9
2014	12.9	9.2	10.6	10.5	9.4	7.3	5.7	4.5	5.2	8.1	10.8	8.0
2015	8.4	10.2	8.3	9.9	9.0	7.3	4.7	4.4	5.0	8.6	10.1	10.8
2016	10.9	10.5	10.4	9.6	8.3	6.6	3.8	4.0	5.1	6.7	7.8	9.3
2017	10.0	9.3	10.4	10.4	9.7	8.5	4.9	4.2	4.7	8.0	9.2	9.4
2018	11.1	10.3	9.5	9.8	7.9	5.9	5.1	5.5	5.9	8.1	8.7	8.3
2019	9.5	10.4	9.8	10.6	8.4	7.5	5.9	5.0	5.3	7.7	8.1	8.7
2020	8.7	6.6	7.2	7.6	5.7	4.4	4.2	4.0	5.4	7.4	10.3	9.6
2021	8.2	10.5	10.1	9.5	7.5	6.9	5.0	5.0	6.9	7.2	9.6	10.2
2022	10.3	9.5	11.1	11.5	9.8	6.7	5.5	4.7	5.1	7.9	10.0	10.4
2023	9.4	10.4	11.6	9.7	7.1	7.0	5.3	5.5	5.1	8.2	8.3	8.1
2024	10.2	9.8	11.9	11.2	7.7	7.9	5.1	5.0	4.9	6.5	8.4	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
1972	M	M	M	M	M	M	M	M	M	M	M	64.00
1973	59.32	59.61	71.52	72.97	82.74	86.47	89.71	87.55	86.43	78.97	73.23	62.10
1974	73.07	65.50	74.68	77.27	84.58	86.57	87.84	88.74	84.54	77.65	69.77	63.10
1975	66.17	68.43	71.13	76.30	85.13	87.40	86.68	90.06	84.27	80.16	70.58	64.60
1976	58.89	69.32	73.42	76.80	78.43	83.10	90.07	84.52	82.66	73.24	63.34	59.93
1977	51.36	64.22	73.71	80.83	85.27	92.70	91.67	88.45	86.52	74.79	71.00	60.26
1978	53.55	54.30	67.74	79.70	82.80	88.09	88.60	89.78	85.75	78.81	74.74	64.05
1979	55.36	60.32	72.32	78.24	81.45	84.48	90.48	90.04	82.50	79.50	71.10	64.06
1980	63.18	62.80	70.62	78.59	82.95	89.10	93.18	96.29	89.62	76.55	67.89	64.48
1981	61.38	67.23	71.36	80.45	84.30	96.46	95.91	88.38	87.95	79.74	72.72	61.91
1982	60.00	69.45	77.74	75.09	84.45	88.54	89.52	90.91	86.10	80.68	75.82	67.81
1983	54.33	61.37	65.13	73.91	81.83	86.32	M	M	M	M	M	M
1984	M	M	M	M	M	M	M	M	M	M	M	M
1985	M	M	M	M	M	M	M	M	M	M	M	M
1986	M	M	M	M	M	M	M	M	M	M	M	M
1987	M	M	M	M	M	M	M	M	M	M	M	M
1988	M	M	M	M	M	M	M	M	M	M	M	M
1989	M	M	M	M	M	M	M	M	M	M	M	M
1990	M	M	M	M	M	M	M	M	M	M	M	M
1991	M	M	M	M	M	M	M	M	M	M	M	M
1992	M	M	M	M	M	M	M	M	M	M	M	M
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	M	M	M	M	M	M	M	M	M	M	M
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	66.20	M	M	87.32	84.72	78.38	65.33	62.24	44.02
2002	44.02	44.02	47.85	64.82	71.02	86.42	88.98	82.00	79.65	64.17	47.36	37.57
2003	28.23	30.97	52.09	62.66	71.48	80.30	84.68	83.91	74.84	64.98	53.36	39.20
2004	31.94	38.33	51.92	66.14	75.08	78.86	80.25	76.42	79.76	65.50	54.20	40.48
2005	35.66	44.73	47.56	67.52	72.30	82.70	82.86	81.76	80.42	64.23	54.98	33.05
2006	47.21	43.12	52.09	68.72	73.23	82.64	85.94	80.36	72.72	61.73	51.86	43.67
2007	37.40	28.46	58.83	64.64	84.43	85.88	85.30	90.88	86.96	74.85	56.03	41.35
2008	39.61	33.68	45.25	63.62	69.45	84.71	84.72	81.76	77.42	66.84	50.01	41.37
2009	27.18	37.55	52.31	61.24	73.52	82.03	82.60	84.40	80.48	63.22	55.41	35.63
2010	27.55	31.38	53.31	70.27	74.62	83.18	84.58	85.57	79.23	69.07	53.25	29.52
2011	28.58	37.48	49.77	63.08	70.13	80.36	87.68	84.61	73.22	66.37	54.08	43.02
2012	40.63	43.11	67.00	66.37	77.08	83.92	91.91	84.62	74.77	60.46	50.91	41.33
2013	37.35	37.27	41.57	61.05	76.82	83.35	87.31	86.32	83.36	65.27	46.15	34.55
2014	27.76	26.94	44.03	63.13	73.54	81.51	77.74	80.50	74.86	62.58	43.20	37.55
2015	31.26	27.17	46.04	63.37	75.77	79.66	81.30	80.81	80.60	66.75	55.80	46.68
2016	34.82	40.14	55.96	62.58	72.02	83.59	82.47	84.36	81.51	70.54	55.76	34.99
2017	38.94	50.57	50.67	67.36	70.58	83.82	84.20	80.11	80.65	67.81	51.18	36.56
2018	30.75	41.39	45.43	55.27	82.73	82.67	82.46	83.73	81.10	64.73	42.43	40.45
2019	29.86	35.01	43.89	57.93	73.45	81.17	86.38	82.76	82.80	64.82	45.23	44.39
2020	39.34	39.02	53.79	60.02	70.41	84.48	86.08	82.84	76.81	64.81	56.42	41.30
2021	35.48	29.21	56.41	62.27	71.67	84.55	82.35	84.28	81.50	69.03	46.92	48.44
2022	33.10	37.48	48.73	60.89	76.83	85.61	84.94	83.07	77.73	67.07	52.91	38.42
2023	41.52	47.66	50.57	66.35	77.70	83.83	84.81	82.26	79.52	66.94	54.26	45.82
2024	32.30	49.70	58.76	64.23	79.01	85.12	82.72	83.20	81.25	73.56	60.15	M
NCEI Climatology	35.30	40.57	52.00	65.20	75.30	83.10	85.41	83.91	78.91	66.50	51.90	39.91

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1972	M	M	M	M	M	M	M	M	M	M	M	63.00
1973	38.19	36.89	51.74	50.53	60.87	68.97	71.94	70.77	70.37	58.55	50.07	42.10
1974	54.10	41.32	50.42	51.37	62.61	66.70	70.16	72.03	68.86	51.94	45.73	43.70
1975	46.17	47.25	48.84	54.30	65.97	69.43	71.03	71.45	67.30	58.52	49.00	42.64
1976	34.50	41.25	49.84	51.00	59.23	65.97	70.07	68.77	66.93	53.07	43.38	43.41
1977	34.46	38.00	52.58	55.37	62.27	70.00	71.10	71.55	69.52	53.55	51.52	41.15
1978	35.72	35.59	44.97	53.47	62.47	72.05	73.40	72.30	68.10	56.48	58.05	45.65
1979	35.86	40.37	48.59	56.95	64.23	69.81	74.52	72.43	71.61	58.68	50.50	43.00
1980	45.82	42.45	54.24	62.50	65.24	71.67	73.68	74.43	70.43	57.82	49.61	42.24
1981	38.38	46.95	47.73	57.45	60.10	74.17	74.86	71.52	65.48	58.13	52.56	43.52
1982	39.15	51.20	54.65	56.57	60.35	72.21	73.76	74.73	68.52	62.27	56.82	49.76
1983	37.52	43.53	48.00	51.77	62.83	68.21	M	M	M	M	M	M
1984	M	M	M	M	M	M	M	M	M	M	M	M
1985	M	M	M	M	M	M	M	M	M	M	M	M
1986	M	M	M	M	M	M	M	M	M	M	M	M
1987	M	M	M	M	M	M	M	M	M	M	M	M
1988	M	M	M	M	M	M	M	M	M	M	M	M
1989	M	M	M	M	M	M	M	M	M	M	M	M
1990	M	M	M	M	M	M	M	M	M	M	M	M
1991	M	M	M	M	M	M	M	M	M	M	M	M
1992	M	M	M	M	M	M	M	M	M	M	M	M
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	M	M	M	M	M	M	M	M	M	M	M
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	66.20	M	M	68.72	62.54	53.48	44.02	39.86	30.26
2002	25.55	26.47	29.04	43.94	49.19	65.84	69.24	65.30	55.87	44.37	32.96	24.34
2003	12.14	16.51	29.56	41.00	51.90	58.57	65.14	62.57	53.18	42.63	38.66	27.70
2004	17.89	23.43	35.14	42.56	56.68	59.60	63.18	56.91	54.98	45.24	38.60	23.93
2005	20.85	27.11	28.17	41.90	47.68	62.30	62.48	62.66	55.46	44.72	35.78	20.97
2006	33.68	22.81	33.92	47.06	54.70	61.52	67.25	65.54	52.79	41.00	37.04	29.56
2007	24.45	11.24	38.97	43.28	59.81	64.40	63.24	69.74	60.20	51.34	36.86	29.10
2008	21.08	18.47	29.70	43.04	49.94	65.25	64.91	60.57	56.54	43.32	34.83	24.30
2009	10.46	20.94	30.74	42.46	52.01	63.24	64.03	64.24	60.04	46.27	36.66	22.32
2010	15.47	17.90	33.50	45.67	54.13	64.91	65.63	63.47	54.23	42.18	31.13	16.16
2011	14.74	23.29	32.46	42.74	51.47	62.84	67.48	59.06	52.34	42.16	38.78	30.14
2012	23.82	26.89	45.57	43.11	53.64	59.13	67.09	58.99	52.76	42.28	32.70	30.12
2013	20.65	23.32	28.09	41.26	55.46	63.13	62.32	56.67	51.87	41.10	28.83	18.77
2014	9.09	8.72	23.43	40.56	52.53	63.16	57.41	62.10	50.86	43.68	26.06	27.23
2015	16.50	8.82	26.99	41.53	54.58	61.54	62.11	58.15	55.63	43.50	35.63	34.45
2016	18.90	24.19	37.81	40.54	51.10	61.69	64.08	65.14	58.32	47.28	37.01	22.27
2017	25.16	30.21	33.16	46.32	50.57	60.37	63.48	57.48	54.42	48.20	32.65	19.37
2018	14.15	22.95	28.36	33.89	58.88	63.76	62.24	64.01	59.06	43.11	28.88	25.74
2019	20.94	25.95	27.45	41.67	53.90	62.24	66.89	62.20	60.65	44.07	28.08	27.47
2020	27.30	23.77	37.08	39.38	51.36	62.68	66.35	60.47	54.02	41.17	37.30	26.44
2021	24.80	14.00	35.25	41.11	50.61	64.09	64.62	65.27	57.87	52.08	29.71	30.68
2022	13.81	19.25	31.73	40.38	56.15	60.75	64.49	62.05	54.84	40.96	33.34	24.60
2023	29.60	26.99	32.24	40.95	52.77	58.26	63.57	61.99	55.76	46.23	32.42	33.80
2024	22.43	29.89	37.03	45.15	56.86	63.02	63.13	61.72	55.06	42.38	42.33	M
NCEI Climatology	19.50	23.06	32.10	42.30	52.30	61.30	64.80	63.00	55.60	44.31	33.80	24.90

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

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1972	M	M	M	M	M	M	M	M	M	M	M	63.50
1973	48.76	48.25	61.63	61.75	71.81	77.72	80.82	79.16	78.40	68.76	61.65	52.10
1974	63.58	53.41	62.55	64.32	73.60	76.63	79.00	80.39	76.70	64.79	57.75	53.40
1975	56.17	57.84	59.98	65.30	75.55	78.42	78.85	80.76	75.78	69.34	59.79	53.62
1976	46.70	55.29	61.63	63.90	68.83	74.53	80.07	76.65	74.79	63.16	53.36	51.67
1977	42.91	51.11	63.15	68.10	73.77	81.35	81.38	80.00	78.02	64.17	61.26	50.70
1978	44.64	44.94	56.35	66.58	72.63	80.07	81.00	81.04	76.92	67.64	66.39	54.85
1979	45.61	50.34	60.45	67.60	72.84	77.14	82.50	81.24	77.06	69.09	60.80	53.53
1980	54.50	52.62	62.43	70.55	74.10	80.38	83.43	85.36	80.02	67.18	58.75	53.36
1981	49.88	57.09	59.55	68.95	72.20	85.31	85.39	79.95	76.71	68.93	62.64	52.72
1982	49.58	60.33	66.20	65.83	72.40	80.38	81.64	82.82	77.31	71.48	66.32	58.79
1983	45.93	52.45	56.57	62.84	72.33	77.26	M	M	M	M	M	M
1984	M	M	M	M	M	M	M	M	M	M	M	M
1985	M	M	M	M	M	M	M	M	M	M	M	M
1986	M	M	M	M	M	M	M	M	M	M	M	M
1987	M	M	M	M	M	M	M	M	M	M	M	M
1988	M	M	M	M	M	M	M	M	M	M	M	M
1989	M	M	M	M	M	M	M	M	M	M	M	M
1990	M	M	M	M	M	M	M	M	M	M	M	M
1991	M	M	M	M	M	M	M	M	M	M	M	M
1992	M	M	M	M	M	M	M	M	M	M	M	M
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	M	M	M	M	M	M	M	M	M	M	M
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	66.20	M	M	78.02	73.63	65.93	54.67	51.05	37.14
2002	34.79	35.25	38.45	54.38	60.10	76.13	79.11	73.65	67.76	54.27	40.16	30.95
2003	20.18	23.74	40.83	51.83	61.69	69.43	74.91	73.24	64.01	53.80	46.01	33.45
2004	24.92	30.88	43.53	54.35	65.88	69.23	71.72	66.66	67.37	55.37	46.40	32.20
2005	28.25	35.92	37.86	54.71	59.99	72.50	72.67	72.21	67.94	54.47	45.38	27.01
2006	40.45	32.96	43.00	57.89	63.96	72.08	76.59	72.95	62.76	51.36	44.45	36.62
2007	30.93	19.85	48.90	53.96	72.12	75.14	74.27	80.31	73.58	63.09	46.44	35.22
2008	30.35	26.07	37.47	53.33	59.70	74.98	74.82	71.16	66.98	55.08	42.42	32.84
2009	18.82	29.24	41.53	51.85	62.77	72.63	73.31	74.32	70.26	54.75	46.04	28.98
2010	21.51	24.64	43.40	57.97	64.37	74.05	75.10	74.52	66.73	55.62	42.19	22.84
2011	21.66	30.39	41.12	52.91	60.80	71.60	77.58	71.83	62.78	54.27	46.43	36.58
2012	32.23	35.00	56.29	54.74	65.36	71.53	79.50	71.81	63.76	51.37	41.81	35.72
2013	29.00	30.30	34.83	51.16	66.14	73.24	74.81	71.50	67.61	53.18	37.49	26.66
2014	18.42	17.83	33.73	51.85	63.03	72.33	67.58	71.30	62.86	53.13	34.63	32.39
2015	23.88	17.99	36.52	52.45	65.18	70.60	71.71	69.48	68.12	55.13	45.71	40.57
2016	26.86	32.16	46.89	51.56	61.56	72.64	73.27	74.75	69.91	58.91	46.38	28.63
2017	32.05	40.39	41.92	56.84	60.58	72.09	73.84	68.79	67.54	58.01	41.92	27.97
2018	22.45	32.17	36.89	44.58	70.81	73.22	72.35	73.87	70.08	53.92	35.65	33.10
2019	25.40	30.48	35.67	49.80	63.68	71.70	76.64	72.48	71.72	54.44	36.65	35.93
2020	33.32	31.39	45.43	49.70	60.89	73.58	76.22	71.66	65.42	52.99	46.86	33.87
2021	30.14	21.61	45.83	51.69	61.14	74.32	73.49	74.77	69.68	60.55	38.31	39.56
2022	23.46	28.37	40.23	50.63	66.49	73.18	74.72	72.56	66.29	54.02	43.13	31.51
2023	35.56	37.33	41.41	53.65	65.24	71.05	74.19	72.12	67.64	56.58	43.34	39.81
2024	27.36	39.79	47.90	54.69	67.93	74.07	72.93	72.46	68.15	57.97	51.24	M
NCEI Climatology	27.40	31.81	42.05	53.75	63.80	72.20	75.10	73.45	67.25	55.40	42.85	32.41

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
1972	M	M	M	M	M	M	M	M	M	M	M	100.0%
1973	75.8%	69.5%	74.6%	68.0%	71.4%	82.6%	82.6%	85.4%	83.8%	75.7%	74.5%	72.3%
1974	81.4%	65.0%	69.1%	64.9%	73.3%	74.5%	78.5%	78.9%	78.3%	68.5%	68.9%	70.1%
1975	72.9%	71.3%	62.2%	63.0%	75.6%	74.8%	82.0%	80.2%	82.4%	77.6%	75.3%	73.9%
1976	59.5%	64.2%	73.7%	64.4%	77.4%	81.2%	76.7%	81.8%	76.6%	66.5%	64.7%	66.6%
1977	61.2%	56.9%	65.8%	63.7%	67.8%	66.8%	75.3%	82.2%	83.5%	74.7%	76.8%	73.2%
1978	67.2%	66.3%	73.6%	68.1%	77.4%	80.5%	82.7%	82.1%	74.8%	70.3%	74.1%	65.8%
1979	61.0%	67.1%	62.6%	71.7%	77.4%	75.9%	77.1%	76.1%	78.7%	71.9%	65.1%	65.7%
1980	70.5%	57.0%	64.7%	58.7%	72.5%	71.5%	71.8%	63.3%	73.9%	64.3%	60.7%	65.2%
1981	49.5%	50.2%	50.6%	60.2%	60.7%	62.3%	66.1%	73.8%	67.2%	65.4%	61.8%	63.7%
1982	60.4%	64.5%	60.5%	72.2%	67.7%	79.8%	85.1%	78.5%	79.0%	80.9%	76.8%	72.5%
1983	71.2%	72.8%	67.2%	67.3%	72.9%	77.2%	M	M	M	M	M	M
1984	M	M	M	M	M	M	M	M	M	M	M	M
1985	M	M	M	M	M	M	M	M	M	M	M	M
1986	M	M	M	M	M	M	M	M	M	M	M	M
1987	M	M	M	M	M	M	M	M	M	M	M	M
1988	M	M	M	M	M	M	M	M	M	M	M	M
1989	M	M	M	M	M	M	M	M	M	M	M	M
1990	M	M	M	M	M	M	M	M	M	M	M	M
1991	M	M	M	M	M	M	M	M	M	M	M	M
1992	M	M	M	M	M	M	M	M	M	M	M	M
1993	M	M	M	M	M	M	M	M	M	M	M	M
1994	M	M	M	M	M	M	M	M	M	M	M	M
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	89.2%	85.1%	75.2%	72.5%	73.1%	83.4%
2002	75.8%	76.8%	78.6%	75.3%	73.4%	70.6%	72.4%	84.0%	77.0%	75.5%	75.2%	69.0%
2003	M	M	M	M	75.3%	76.9%	85.1%	79.2%	M	M	M	81.8%
2004	80.8%	83.4%	79.3%	66.1%	76.5%	70.5%	79.6%	79.3%	68.7%	71.2%	76.9%	76.0%
2005	81.7%	81.9%	68.3%	61.9%	59.3%	72.1%	78.6%	83.1%	78.7%	79.6%	67.2%	80.5%
2006	77.4%	64.3%	70.1%	60.7%	64.9%	69.1%	80.6%	83.4%	80.3%	71.5%	78.2%	81.6%
2007	84.4%	74.5%	70.5%	56.7%	49.2%	61.2%	66.5%	68.1%	58.6%	63.6%	58.3%	77.2%
2008	69.2%	83.8%	76.0%	63.7%	63.9%	63.8%	70.3%	72.1%	73.6%	64.2%	69.6%	75.8%
2009	72.7%	72.5%	62.9%	67.6%	63.0%	70.7%	72.5%	76.1%	74.2%	75.9%	77.1%	82.2%
2010	83.4%	84.4%	76.1%	59.7%	70.5%	75.5%	77.2%	74.6%	64.2%	57.0%	68.1%	85.1%
2011	80.4%	78.4%	71.2%	71.6%	72.7%	72.3%	75.4%	74.7%	75.6%	68.8%	77.4%	85.4%
2012	78.9%	79.0%	66.5%	59.7%	60.8%	59.7%	65.0%	67.9%	71.3%	72.3%	75.0%	84.2%
2013	77.2%	80.1%	75.8%	68.7%	68.5%	71.0%	72.4%	70.4%	67.8%	73.9%	73.4%	81.0%
2014	76.2%	76.6%	71.2%	65.6%	65.8%	77.3%	80.1%	85.3%	78.8%	76.7%	75.0%	86.8%
2015	81.7%	73.1%	75.3%	66.5%	70.8%	82.3%	84.9%	82.3%	77.1%	68.7%	74.4%	86.5%
2016	78.9%	76.6%	75.0%	69.4%	68.5%	70.2%	86.9%	85.9%	79.5%	77.7%	78.2%	79.3%
2017	84.8%	72.9%	71.1%	69.9%	73.8%	64.5%	81.2%	80.6%	74.5%	75.2%	75.0%	70.6%
2018	77.9%	80.6%	71.8%	68.2%	68.7%	82.7%	84.7%	85.7%	79.1%	78.1%	85.8%	86.9%
2019	82.4%	83.1%	75.7%	70.8%	78.2%	74.1%	77.7%	79.3%	79.2%	76.2%	79.1%	82.1%
2020	84.4%	81.4%	81.9%	69.3%	73.6%	67.0%	82.3%	81.7%	80.4%	73.4%	71.1%	78.0%
2021	83.5%	77.7%	67.5%	64.5%	69.2%	72.4%	84.4%	81.8%	72.1%	81.4%	70.6%	77.0%
2022	73.1%	75.7%	67.3%	67.3%	68.6%	60.5%	77.2%	81.7%	76.7%	62.6%	69.1%	78.2%
2023	83.4%	70.5%	72.0%	59.0%	54.6%	56.4%	76.9%	80.7%	74.3%	71.2%	66.6%	79.5%
2024	82.7%	72.5%	64.5%	69.5%	69.4%	65.4%	80.3%	79.2%	73.2%	62.4%	78.8%	M