Red Owl Threshold Days by Year (USC00397073)

18 fixed thresholds counted per year at Red Owl (USC00397073): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Red Owl Thresholds

Red Owl: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 2019 with 27.
Red Owl: days with 25 mm (0.98 in) or more of precipitation in 61 years, most in 2008 with 8.
Red Owl: days with 10 cm (3.9 in) or more of snowfall in 55 years, most in 1996 with 12.
Red Owl: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 2002 with 62.
18 fixed thresholds have at least one qualifying day at Red Owl.

Days at or above 30 C (86 F)

29 years with a qualifying day

Days per year at Red Owl with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 62 in 2002.

Days at or above 30 C (86 F) per year at Red Owl
Year	Days	Decade average
1990	57	39.1
1991	40	39.1
1992	28	39.1
1993	9	39.1
1994	44	39.1
1995	42	39.1
1996	51	39.1
1997	42	39.1
1998	41	39.1
1999	37	39.1
2000	52	46.7
2001	57	46.7
2002	62	46.7
2003	58	46.7
2004	33	46.7
2005	48	46.7
2006	52	46.7
2007	59	46.7
2008	29	46.7
2009	17	46.7
2010	33	38
2011	39	38
2012	61	38
2013	37	38
2014	24	38
2015	43	38
2016	46	38
2018	42	38
2019	17	38

For each year, a bar from the first to the last day at Red Owl meeting 30 C (86 F).

First to last qualifying date each year at Red Owl
Year	First date	Last date
1990	1990-06-11	1990-10-06
1991	1991-06-12	1991-10-17
1992	1992-05-01	1992-10-22
1993	1993-07-31	1993-10-07
1994	1994-04-18	1994-09-29
1995	1995-06-15	1995-10-15
1996	1996-04-11	1996-10-06
1997	1997-06-23	1997-10-06
1998	1998-05-18	1998-09-19
1999	1999-06-22	1999-09-25
2000	2000-05-06	2000-09-19
2001	2001-04-28	2001-10-02
2002	2002-05-31	2002-09-18
2003	2003-04-13	2003-10-10
2004	2004-05-06	2004-09-20
2005	2005-04-18	2005-10-02
2006	2006-05-19	2006-10-02
2007	2007-05-19	2007-10-02
2008	2008-06-25	2008-09-26
2009	2009-05-19	2009-09-15
2010	2010-05-29	2010-10-08
2011	2011-06-03	2011-10-05
2012	2012-04-02	2012-09-11
2013	2013-05-14	2013-09-23
2014	2014-05-29	2014-09-27
2015	2015-06-10	2015-10-11
2016	2016-06-09	2016-10-10
2018	2018-05-08	2018-09-13
2019	2019-06-08	2019-09-19

Every Fixed Threshold

Fixed thresholds at Red Owl
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	29	62	2002	17
35 C (95 F): Days	27	25	2002	10
40 C (104 F): Days	8	6	2006	1
90 F (32.2 C): Days	29	46	2002	6
100 F (37.8 C): Days	16	9	2006	3
0 C (32 F): Ice days (max	29	82	2010	77
0 C (32 F): Frost days (min	25	201	2013	185
-10 C (14 F): Days with min	25	90	2008	83
-20 C (-4 F): Days with min	25	45	1996	32
-30 C (-22 F): Days with min	13	9	1996	2
-40 C (-40 F): Days with min	1	1	1994	1
20 C (68 F): Tropical nights (min	15	6	2002	3
25 C (77 F): Days with min	1	1	2007	1
10 mm (0.39 in): Days with 10 mm or more rain	67	27	2019	27
25 mm (0.98 in): Days with 25 mm or more rain	61	8	2008	5
50 mm (1.97 in): Days with 50 mm or more rain	20	3	2008	1
10 cm (3.9 in): Days with 10 cm or more snowfall	55	12	1996	10
25 cm (9.8 in): Days with 25 cm or more snowfall	19	2	1977	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1990.

Download the Data

Data for Red Owl threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Red Owl Threshold Days by Year (USC00397073)

Key Facts for Red Owl Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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