Copake Threshold Days by Year (USC00301761)
16 fixed thresholds counted per year at Copake (USC00301761): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Copake Thresholds
- Copake: days with 10 cm (3.9 in) or more of snowfall in 18 years, most in 1996 with 7.
- Copake: days with a maximum temperature at or above 30 C (86 F) in 17 years, most in 1999 with 51.
- Copake: days with a maximum temperature at or above 90 F (32.2 C) in 17 years, most in 1999 with 30.
- Copake: days with a maximum temperature at or below 0 C (32 F) in 17 years, most in 1989 with 57.
- 16 fixed thresholds have at least one qualifying day at Copake.
Days at or above 30 C (86 F)
17 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1989 | 23 | 23 |
| 1990 | 23 | 32.4 |
| 1991 | 45 | 32.4 |
| 1992 | 12 | 32.4 |
| 1993 | 35 | 32.4 |
| 1994 | 23 | 32.4 |
| 1995 | 49 | 32.4 |
| 1996 | 21 | 32.4 |
| 1997 | 28 | 32.4 |
| 1998 | 37 | 32.4 |
| 1999 | 51 | 32.4 |
| 2000 | 22 | 30.8 |
| 2001 | 43 | 30.8 |
| 2002 | 39 | 30.8 |
| 2003 | 21 | 30.8 |
| 2004 | 18 | 30.8 |
| 2005 | 42 | 30.8 |
| Year | First date | Last date |
|---|---|---|
| 1989 | 1989-05-19 | 1989-09-11 |
| 1990 | 1990-04-27 | 1990-08-19 |
| 1991 | 1991-04-08 | 1991-09-18 |
| 1992 | 1992-05-22 | 1992-08-28 |
| 1993 | 1993-05-11 | 1993-09-16 |
| 1994 | 1994-04-28 | 1994-08-05 |
| 1995 | 1995-06-19 | 1995-09-08 |
| 1996 | 1996-05-20 | 1996-09-07 |
| 1997 | 1997-06-11 | 1997-08-18 |
| 1998 | 1998-03-31 | 1998-09-22 |
| 1999 | 1999-05-31 | 1999-09-10 |
| 2000 | 2000-05-07 | 2000-09-03 |
| 2001 | 2001-04-23 | 2001-09-10 |
| 2002 | 2002-04-17 | 2002-09-11 |
| 2003 | 2003-04-16 | 2003-08-25 |
| 2004 | 2004-04-20 | 2004-08-31 |
| 2005 | 2005-04-21 | 2005-09-15 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 17 | 51 | 1999 | 42 |
| 35 C (95 F): Days | 8 | 12 | 1999 | 1 |
| 90 F (32.2 C): Days | 17 | 30 | 1999 | 21 |
| 100 F (37.8 C): Days | 4 | 2 | 1995 | 1 |
| 0 C (32 F): Ice days (max | 17 | 57 | 1989 | 34 |
| 0 C (32 F): Frost days (min | 17 | 176 | 1997 | 153 |
| -10 C (14 F): Days with min | 17 | 80 | 1989 | 50 |
| -20 C (-4 F): Days with min | 13 | 18 | 1994 | 16 |
| -30 C (-22 F): Days with min | 1 | 6 | 1994 | 6 |
| 20 C (68 F): Tropical nights (min | 16 | 15 | 2005 | 15 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 16 | 44 | 1996 | 30 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 16 | 16 | 1990 | 9 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 12 | 3 | 1990 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1990 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 18 | 7 | 1996 | 3 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 9 | 3 | 2003 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1989.
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).