Grand Lake 1 NW Threshold Days by Year (USC00053496)
14 fixed thresholds counted per year at Grand Lake 1 NW (USC00053496): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Grand Lake 1 NW Thresholds
- Grand Lake 1 NW: days with 10 mm (0.39 in) or more of precipitation in 90 years, most in 1918 with 22.
- Grand Lake 1 NW: days with a maximum temperature at or below 0 C (32 F) in 83 years, most in 1964 with 96.
- Grand Lake 1 NW: nights with a minimum temperature at or below 0 C (32 F) in 83 years, most in 1950 with 328.
- Grand Lake 1 NW: nights with a minimum temperature at or below -10 C (14 F) in 83 years, most in 1956 with 154.
- 14 fixed thresholds have at least one qualifying day at Grand Lake 1 NW.
Days at or above 30 C (86 F)
42 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1940 | 2 | 1.8 |
| 1941 | 2 | 1.8 |
| 1942 | 1 | 1.8 |
| 1947 | 2 | 1.8 |
| 1954 | 4 | 2 |
| 1958 | 1 | 2 |
| 1959 | 1 | 2 |
| 1960 | 3 | 2 |
| 1963 | 1 | 2 |
| 1971 | 1 | 6 |
| 1978 | 13 | 6 |
| 1979 | 4 | 6 |
| 1980 | 1 | 2.2 |
| 1982 | 1 | 2.2 |
| 1985 | 1 | 2.2 |
| 1987 | 4 | 2.2 |
| 1988 | 2 | 2.2 |
| 1989 | 4 | 2.2 |
| 1990 | 4 | 2.9 |
| 1991 | 1 | 2.9 |
| 1993 | 1 | 2.9 |
| 1994 | 5 | 2.9 |
| 1995 | 3 | 2.9 |
| 1996 | 1 | 2.9 |
| 1998 | 7 | 2.9 |
| 1999 | 1 | 2.9 |
| 2000 | 4 | 4.8 |
| 2001 | 4 | 4.8 |
| 2002 | 12 | 4.8 |
| 2003 | 7 | 4.8 |
| 2004 | 1 | 4.8 |
| 2005 | 6 | 4.8 |
| 2006 | 5 | 4.8 |
| 2007 | 3 | 4.8 |
| 2008 | 1 | 4.8 |
| 2012 | 2 | 1.5 |
| 2013 | 1 | 1.5 |
| 2021 | 5 | 5.6 |
| 2023 | 2 | 5.6 |
| 2024 | 6 | 5.6 |
| 2025 | 2 | 5.6 |
| 2026 | 13 | 5.6 |
| Year | First date | Last date |
|---|---|---|
| 1940 | 1940-07-22 | 1940-08-14 |
| 1941 | 1941-07-23 | 1941-08-03 |
| 1942 | 1942-07-13 | 1942-07-13 |
| 1947 | 1947-07-24 | 1947-08-02 |
| 1954 | 1954-06-23 | 1954-07-12 |
| 1958 | 1958-08-08 | 1958-08-08 |
| 1959 | 1959-09-04 | 1959-09-04 |
| 1960 | 1960-08-12 | 1960-09-04 |
| 1963 | 1963-07-20 | 1963-07-20 |
| 1971 | 1971-08-12 | 1971-08-12 |
| 1978 | 1978-06-29 | 1978-09-07 |
| 1979 | 1979-08-05 | 1979-08-09 |
| 1980 | 1980-07-09 | 1980-07-09 |
| 1982 | 1982-07-04 | 1982-07-04 |
| 1985 | 1985-07-06 | 1985-07-06 |
| 1987 | 1987-07-02 | 1987-07-27 |
| 1988 | 1988-06-24 | 1988-09-11 |
| 1989 | 1989-07-04 | 1989-07-09 |
| 1990 | 1990-06-29 | 1990-07-03 |
| 1991 | 1991-07-15 | 1991-07-15 |
| 1993 | 1993-07-29 | 1993-07-29 |
| 1994 | 1994-06-26 | 1994-08-13 |
| 1995 | 1995-07-29 | 1995-08-08 |
| 1996 | 1996-07-23 | 1996-07-23 |
| 1998 | 1998-07-17 | 1998-09-07 |
| 1999 | 1999-07-10 | 1999-07-10 |
| 2000 | 2000-08-01 | 2000-08-09 |
| 2001 | 2001-07-02 | 2001-07-30 |
| 2002 | 2002-06-30 | 2002-07-22 |
| 2003 | 2003-07-08 | 2003-08-10 |
| 2004 | 2004-07-13 | 2004-07-13 |
| 2005 | 2005-07-12 | 2005-07-31 |
| 2006 | 2006-07-15 | 2006-07-30 |
| 2007 | 2007-07-02 | 2007-07-22 |
| 2008 | 2008-08-02 | 2008-08-02 |
| 2012 | 2012-06-25 | 2012-07-01 |
| 2013 | 2013-07-12 | 2013-07-12 |
| 2021 | 2021-06-14 | 2021-07-28 |
| 2023 | 2023-08-20 | 2023-08-21 |
| 2024 | 2024-07-12 | 2024-08-02 |
| 2025 | 2025-07-10 | 2025-08-20 |
| 2026 | 2026-07-12 | 2026-08-21 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 42 | 13 | 1978 | 13 |
| 90 F (32.2 C): Days | 8 | 2 | 1989 | 1 |
| 0 C (32 F): Ice days (max | 83 | 96 | 1964 | 14 |
| 0 C (32 F): Frost days (min | 83 | 328 | 1950 | 133 |
| -10 C (14 F): Days with min | 83 | 154 | 1956 | 36 |
| -20 C (-4 F): Days with min | 83 | 58 | 1942 | 4 |
| -30 C (-22 F): Days with min | 60 | 11 | 1943 | 1 |
| -40 C (-40 F): Days with min | 5 | 1 | 1942 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 90 | 22 | 1918 | 4 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 39 | 5 | 1984 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 3 | 1 | 1969 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 80 | 25 | 1996 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 50 | 5 | 1973 | 4 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 2 | 1 | 1913 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1940.
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 (2026-10-17).