Long Falls Dam Threshold Days by Year (USC00174781)
16 fixed thresholds counted per year at Long Falls Dam (USC00174781): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Long Falls Dam Thresholds
- Long Falls Dam: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 2008 with 51.
- Long Falls Dam: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 2012 with 17.
- Long Falls Dam: days with a maximum temperature at or below 0 C (32 F) in 58 years, most in 2007 with 109.
- Long Falls Dam: nights with a minimum temperature at or below 0 C (32 F) in 58 years, most in 1956 with 223.
- 16 fixed thresholds have at least one qualifying day at Long Falls Dam.
Days at or above 30 C (86 F)
49 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1955 | 10 | 6 |
| 1956 | 2 | 6 |
| 1957 | 5 | 6 |
| 1959 | 7 | 6 |
| 1961 | 1 | 3.3 |
| 1962 | 1 | 3.3 |
| 1963 | 14 | 3.3 |
| 1964 | 3 | 3.3 |
| 1965 | 1 | 3.3 |
| 1966 | 1 | 3.3 |
| 1968 | 3 | 3.3 |
| 1969 | 2 | 3.3 |
| 1970 | 11 | 4.7 |
| 1971 | 1 | 4.7 |
| 1972 | 1 | 4.7 |
| 1973 | 1 | 4.7 |
| 1974 | 1 | 4.7 |
| 1975 | 13 | 4.7 |
| 1976 | 5 | 4.7 |
| 1977 | 9 | 4.7 |
| 1978 | 4 | 4.7 |
| 1979 | 1 | 4.7 |
| 1981 | 1 | 3.6 |
| 1983 | 4 | 3.6 |
| 1984 | 3 | 3.6 |
| 1986 | 2 | 3.6 |
| 1987 | 3 | 3.6 |
| 1988 | 7 | 3.6 |
| 1989 | 5 | 3.6 |
| 1991 | 3 | 5 |
| 1992 | 2 | 5 |
| 1993 | 7 | 5 |
| 1994 | 3 | 5 |
| 1995 | 8 | 5 |
| 1997 | 6 | 5 |
| 1998 | 2 | 5 |
| 1999 | 9 | 5 |
| 2001 | 11 | 6 |
| 2002 | 15 | 6 |
| 2003 | 5 | 6 |
| 2005 | 5 | 6 |
| 2006 | 3 | 6 |
| 2007 | 2 | 6 |
| 2008 | 3 | 6 |
| 2009 | 4 | 6 |
| 2010 | 7 | 7 |
| 2011 | 6 | 7 |
| 2012 | 5 | 7 |
| 2013 | 10 | 7 |
| Year | First date | Last date |
|---|---|---|
| 1955 | 1955-06-19 | 1955-08-23 |
| 1956 | 1956-06-15 | 1956-06-16 |
| 1957 | 1957-06-16 | 1957-06-24 |
| 1959 | 1959-06-30 | 1959-09-10 |
| 1961 | 1961-07-25 | 1961-07-25 |
| 1962 | 1962-05-20 | 1962-05-20 |
| 1963 | 1963-06-03 | 1963-07-30 |
| 1964 | 1964-05-25 | 1964-07-29 |
| 1965 | 1965-08-16 | 1965-08-16 |
| 1966 | 1966-07-04 | 1966-07-04 |
| 1968 | 1968-07-16 | 1968-07-19 |
| 1969 | 1969-06-28 | 1969-07-17 |
| 1970 | 1970-06-03 | 1970-08-17 |
| 1971 | 1971-07-01 | 1971-07-01 |
| 1972 | 1972-05-29 | 1972-05-29 |
| 1973 | 1973-07-09 | 1973-07-09 |
| 1974 | 1974-07-15 | 1974-07-15 |
| 1975 | 1975-05-21 | 1975-08-12 |
| 1976 | 1976-06-16 | 1976-08-23 |
| 1977 | 1977-05-23 | 1977-08-30 |
| 1978 | 1978-05-29 | 1978-07-24 |
| 1979 | 1979-05-10 | 1979-05-10 |
| 1981 | 1981-07-09 | 1981-07-09 |
| 1983 | 1983-06-14 | 1983-06-24 |
| 1984 | 1984-06-10 | 1984-08-06 |
| 1986 | 1986-07-26 | 1986-07-27 |
| 1987 | 1987-07-25 | 1987-08-18 |
| 1988 | 1988-06-15 | 1988-08-06 |
| 1989 | 1989-06-23 | 1989-07-28 |
| 1991 | 1991-06-29 | 1991-07-21 |
| 1992 | 1992-05-22 | 1992-05-23 |
| 1993 | 1993-06-27 | 1993-08-28 |
| 1994 | 1994-06-18 | 1994-07-22 |
| 1995 | 1995-06-19 | 1995-08-17 |
| 1997 | 1997-06-13 | 1997-08-11 |
| 1998 | 1998-07-16 | 1998-08-10 |
| 1999 | 1999-05-31 | 1999-09-05 |
| 2001 | 2001-06-15 | 2001-09-10 |
| 2002 | 2002-06-22 | 2002-09-11 |
| 2003 | 2003-06-25 | 2003-07-05 |
| 2005 | 2005-06-26 | 2005-08-11 |
| 2006 | 2006-06-19 | 2006-07-18 |
| 2007 | 2007-06-27 | 2007-08-03 |
| 2008 | 2008-06-08 | 2008-07-09 |
| 2009 | 2009-05-22 | 2009-08-19 |
| 2010 | 2010-05-26 | 2010-09-03 |
| 2011 | 2011-07-12 | 2011-07-24 |
| 2012 | 2012-06-21 | 2012-07-16 |
| 2013 | 2013-06-01 | 2013-09-12 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 49 | 15 | 2002 | 10 |
| 35 C (95 F): Days | 1 | 2 | 1975 | 2 |
| 90 F (32.2 C): Days | 24 | 5 | 2002 | 2 |
| 0 C (32 F): Ice days (max | 58 | 109 | 2007 | 69 |
| 0 C (32 F): Frost days (min | 58 | 223 | 1956 | 160 |
| -10 C (14 F): Days with min | 58 | 114 | 1978 | 62 |
| -20 C (-4 F): Days with min | 58 | 49 | 1989 | 13 |
| -30 C (-22 F): Days with min | 33 | 8 | 1967 | 1 |
| 20 C (68 F): Tropical nights (min | 21 | 3 | 1987 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 59 | 51 | 2008 | 29 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 59 | 17 | 2012 | 7 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 36 | 6 | 1969 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 2000 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 51 | 17 | 1971 | 10 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 33 | 7 | 1969 | 2 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 6 | 2 | 1969 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.
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).