Grand Lake Stream Threshold Days by Year (USC00173261)
17 fixed thresholds counted per year at Grand Lake Stream (USC00173261): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Grand Lake Stream Thresholds
- Grand Lake Stream: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 2019 with 57.
- Grand Lake Stream: days with 25 mm (0.98 in) or more of precipitation in 63 years, most in 2005 with 23.
- Grand Lake Stream: days with a maximum temperature at or above 30 C (86 F) in 61 years, most in 1988 with 27.
- Grand Lake Stream: days with a maximum temperature at or below 0 C (32 F) in 61 years, most in 1978 with 83.
- 17 fixed thresholds have at least one qualifying day at Grand Lake Stream.
Days at or above 30 C (86 F)
61 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1962 | 7 | 7 |
| 1963 | 11 | 7 |
| 1964 | 7 | 7 |
| 1966 | 5 | 7 |
| 1967 | 1 | 7 |
| 1969 | 11 | 7 |
| 1970 | 18 | 11 |
| 1971 | 9 | 11 |
| 1972 | 6 | 11 |
| 1973 | 3 | 11 |
| 1974 | 13 | 11 |
| 1975 | 11 | 11 |
| 1976 | 14 | 11 |
| 1977 | 13 | 11 |
| 1978 | 12 | 11 |
| 1979 | 11 | 11 |
| 1980 | 9 | 10.3 |
| 1981 | 4 | 10.3 |
| 1982 | 9 | 10.3 |
| 1983 | 13 | 10.3 |
| 1984 | 10 | 10.3 |
| 1985 | 6 | 10.3 |
| 1986 | 5 | 10.3 |
| 1987 | 7 | 10.3 |
| 1988 | 27 | 10.3 |
| 1989 | 13 | 10.3 |
| 1990 | 17 | 14.9 |
| 1991 | 23 | 14.9 |
| 1992 | 6 | 14.9 |
| 1993 | 18 | 14.9 |
| 1994 | 16 | 14.9 |
| 1995 | 11 | 14.9 |
| 1996 | 6 | 14.9 |
| 1997 | 17 | 14.9 |
| 1998 | 12 | 14.9 |
| 1999 | 23 | 14.9 |
| 2000 | 3 | 10.8 |
| 2001 | 21 | 10.8 |
| 2002 | 17 | 10.8 |
| 2003 | 10 | 10.8 |
| 2004 | 4 | 10.8 |
| 2005 | 15 | 10.8 |
| 2006 | 6 | 10.8 |
| 2007 | 14 | 10.8 |
| 2009 | 7 | 10.8 |
| 2010 | 21 | 12.1 |
| 2011 | 8 | 12.1 |
| 2012 | 8 | 12.1 |
| 2013 | 17 | 12.1 |
| 2014 | 16 | 12.1 |
| 2015 | 7 | 12.1 |
| 2016 | 12 | 12.1 |
| 2017 | 13 | 12.1 |
| 2019 | 7 | 12.1 |
| 2020 | 19 | 15.4 |
| 2021 | 15 | 15.4 |
| 2022 | 18 | 15.4 |
| 2023 | 12 | 15.4 |
| 2024 | 12 | 15.4 |
| 2025 | 16 | 15.4 |
| 2026 | 16 | 15.4 |
| Year | First date | Last date |
|---|---|---|
| 1962 | 1962-05-20 | 1962-07-09 |
| 1963 | 1963-06-04 | 1963-07-29 |
| 1964 | 1964-05-25 | 1964-07-29 |
| 1966 | 1966-05-25 | 1966-08-20 |
| 1967 | 1967-06-04 | 1967-06-04 |
| 1969 | 1969-05-18 | 1969-09-02 |
| 1970 | 1970-06-03 | 1970-08-17 |
| 1971 | 1971-06-20 | 1971-09-05 |
| 1972 | 1972-05-29 | 1972-07-17 |
| 1973 | 1973-06-13 | 1973-09-01 |
| 1974 | 1974-06-09 | 1974-08-24 |
| 1975 | 1975-06-24 | 1975-08-12 |
| 1976 | 1976-06-09 | 1976-08-24 |
| 1977 | 1977-05-18 | 1977-08-30 |
| 1978 | 1978-05-29 | 1978-08-20 |
| 1979 | 1979-05-10 | 1979-08-06 |
| 1980 | 1980-06-26 | 1980-09-03 |
| 1981 | 1981-07-03 | 1981-08-02 |
| 1982 | 1982-07-08 | 1982-07-20 |
| 1983 | 1983-06-22 | 1983-09-08 |
| 1984 | 1984-06-09 | 1984-08-07 |
| 1985 | 1985-07-06 | 1985-09-21 |
| 1986 | 1986-05-20 | 1986-07-26 |
| 1987 | 1987-06-01 | 1987-08-19 |
| 1988 | 1988-06-14 | 1988-08-14 |
| 1989 | 1989-05-21 | 1989-09-11 |
| 1990 | 1990-07-05 | 1990-08-28 |
| 1991 | 1991-05-25 | 1991-09-18 |
| 1992 | 1992-05-22 | 1992-08-26 |
| 1993 | 1993-06-15 | 1993-09-16 |
| 1994 | 1994-06-17 | 1994-08-06 |
| 1995 | 1995-07-06 | 1995-08-22 |
| 1996 | 1996-06-12 | 1996-09-06 |
| 1997 | 1997-06-11 | 1997-08-17 |
| 1998 | 1998-05-30 | 1998-08-11 |
| 1999 | 1999-06-01 | 1999-09-06 |
| 2000 | 2000-06-18 | 2000-09-02 |
| 2001 | 2001-05-04 | 2001-09-10 |
| 2002 | 2002-06-22 | 2002-09-11 |
| 2003 | 2003-05-21 | 2003-08-23 |
| 2004 | 2004-05-16 | 2004-08-29 |
| 2005 | 2005-06-05 | 2005-08-11 |
| 2006 | 2006-07-09 | 2006-08-03 |
| 2007 | 2007-05-11 | 2007-09-27 |
| 2009 | 2009-05-22 | 2009-08-23 |
| 2010 | 2010-05-25 | 2010-09-04 |
| 2011 | 2011-06-11 | 2011-07-24 |
| 2012 | 2012-06-21 | 2012-08-09 |
| 2013 | 2013-06-01 | 2013-09-12 |
| 2014 | 2014-06-10 | 2014-09-07 |
| 2015 | 2015-05-28 | 2015-09-08 |
| 2016 | 2016-06-27 | 2016-09-10 |
| 2017 | 2017-05-19 | 2017-09-27 |
| 2019 | 2019-07-05 | 2019-08-01 |
| 2020 | 2020-05-23 | 2020-08-14 |
| 2021 | 2021-05-27 | 2021-08-27 |
| 2022 | 2022-05-15 | 2022-08-31 |
| 2023 | 2023-05-30 | 2023-09-09 |
| 2024 | 2024-06-19 | 2024-08-04 |
| 2025 | 2025-06-06 | 2025-08-14 |
| 2026 | 2026-05-20 | 2026-08-10 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 61 | 27 | 1988 | 16 |
| 35 C (95 F): Days | 13 | 3 | 1963 | 3 |
| 90 F (32.2 C): Days | 55 | 13 | 1988 | 5 |
| 100 F (37.8 C): Days | 2 | 1 | 1975 | 1 |
| 0 C (32 F): Ice days (max | 61 | 83 | 1978 | 49 |
| 0 C (32 F): Frost days (min | 55 | 247 | 2002 | 111 |
| -10 C (14 F): Days with min | 55 | 122 | 2002 | 57 |
| -20 C (-4 F): Days with min | 52 | 42 | 2003 | 15 |
| -30 C (-22 F): Days with min | 10 | 6 | 2003 | 6 |
| 20 C (68 F): Tropical nights (min | 16 | 4 | 1975 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 63 | 57 | 2019 | 21 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 63 | 23 | 2005 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 49 | 7 | 2005 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 2015 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 34 | 10 | 2011 | 6 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 17 | 2 | 2001 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 2017 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.
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 (2026-10-12).