Deer Threshold Days by Year (USC00031900)
18 fixed thresholds counted per year at Deer (USC00031900): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Deer Thresholds
- Deer: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 1980 with 81.
- Deer: days with a maximum temperature at or below 0 C (32 F) in 36 years, most in 1978 with 47.
- Deer: nights with a minimum temperature at or below 0 C (32 F) in 36 years, most in 1993 with 115.
- Deer: nights with a minimum temperature at or below -10 C (14 F) in 36 years, most in 1985 with 38.
- 18 fixed thresholds have at least one qualifying day at Deer.
Days at or above 30 C (86 F)
36 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1976 | 14 | 20.5 |
| 1977 | 25 | 20.5 |
| 1978 | 42 | 20.5 |
| 1979 | 1 | 20.5 |
| 1980 | 81 | 36.2 |
| 1981 | 18 | 36.2 |
| 1982 | 15 | 36.2 |
| 1983 | 47 | 36.2 |
| 1984 | 53 | 36.2 |
| 1985 | 36 | 36.2 |
| 1986 | 25 | 36.2 |
| 1987 | 30 | 36.2 |
| 1988 | 42 | 36.2 |
| 1989 | 15 | 36.2 |
| 1990 | 43 | 26.6 |
| 1991 | 34 | 26.6 |
| 1992 | 7 | 26.6 |
| 1993 | 40 | 26.6 |
| 1994 | 12 | 26.6 |
| 1995 | 39 | 26.6 |
| 1996 | 7 | 26.6 |
| 1997 | 12 | 26.6 |
| 1998 | 44 | 26.6 |
| 1999 | 28 | 26.6 |
| 2000 | 36 | 20.1 |
| 2001 | 27 | 20.1 |
| 2002 | 13 | 20.1 |
| 2003 | 16 | 20.1 |
| 2004 | 2 | 20.1 |
| 2005 | 27 | 20.1 |
| 2006 | 30 | 20.1 |
| 2007 | 21 | 20.1 |
| 2008 | 12 | 20.1 |
| 2009 | 17 | 20.1 |
| 2010 | 30 | 43.5 |
| 2011 | 57 | 43.5 |
| Year | First date | Last date |
|---|---|---|
| 1976 | 1976-07-14 | 1976-08-28 |
| 1977 | 1977-06-05 | 1977-08-17 |
| 1978 | 1978-06-26 | 1978-09-05 |
| 1979 | 1979-07-05 | 1979-07-05 |
| 1980 | 1980-06-25 | 1980-09-21 |
| 1981 | 1981-07-11 | 1981-08-16 |
| 1982 | 1982-07-01 | 1982-09-02 |
| 1983 | 1983-07-20 | 1983-09-18 |
| 1984 | 1984-06-15 | 1984-09-15 |
| 1985 | 1985-06-06 | 1985-09-10 |
| 1986 | 1986-06-23 | 1986-08-27 |
| 1987 | 1987-04-20 | 1987-09-07 |
| 1988 | 1988-06-09 | 1988-09-23 |
| 1989 | 1989-07-28 | 1989-10-13 |
| 1990 | 1990-06-16 | 1990-09-08 |
| 1991 | 1991-06-22 | 1991-09-12 |
| 1992 | 1992-06-19 | 1992-08-12 |
| 1993 | 1993-07-12 | 1993-09-03 |
| 1994 | 1994-06-26 | 1994-08-12 |
| 1995 | 1995-07-08 | 1995-09-04 |
| 1996 | 1996-06-21 | 1996-08-16 |
| 1997 | 1997-07-03 | 1997-09-17 |
| 1998 | 1998-06-14 | 1998-09-08 |
| 1999 | 1999-07-24 | 1999-09-08 |
| 2000 | 2000-07-12 | 2000-09-20 |
| 2001 | 2001-07-07 | 2001-08-29 |
| 2002 | 2002-07-04 | 2002-09-05 |
| 2003 | 2003-07-19 | 2003-08-28 |
| 2004 | 2004-07-14 | 2004-08-04 |
| 2005 | 2005-06-28 | 2005-09-23 |
| 2006 | 2006-04-18 | 2006-08-21 |
| 2007 | 2007-08-04 | 2007-08-30 |
| 2008 | 2008-07-22 | 2008-08-07 |
| 2009 | 2009-06-18 | 2009-08-18 |
| 2010 | 2010-06-15 | 2010-08-29 |
| 2011 | 2011-06-05 | 2011-09-13 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 36 | 81 | 1980 | 57 |
| 35 C (95 F): Days | 15 | 18 | 1980 | 12 |
| 40 C (104 F): Days | 1 | 2 | 2011 | 2 |
| 90 F (32.2 C): Days | 28 | 57 | 1980 | 31 |
| 100 F (37.8 C): Days | 3 | 3 | 1986 | 3 |
| 0 C (32 F): Ice days (max | 36 | 47 | 1978 | 19 |
| 0 C (32 F): Frost days (min | 36 | 115 | 1993 | 86 |
| -10 C (14 F): Days with min | 36 | 38 | 1985 | 10 |
| -20 C (-4 F): Days with min | 10 | 7 | 1983 | 2 |
| 20 C (68 F): Tropical nights (min | 36 | 68 | 2011 | 68 |
| 25 C (77 F): Days with min | 10 | 4 | 2000 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 36 | 60 | 1990 | 51 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 36 | 28 | 2008 | 17 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 34 | 11 | 2008 | 8 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 11 | 3 | 2004 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 2 | 1 | 1982 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 22 | 3 | 1996 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 4 | 1 | 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 1976.
Download the Data
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 . Last revised (2025-12-31).