Stillhouse Hollow Dam Threshold Days by Year (USC00418646)
18 fixed thresholds counted per year at Stillhouse Hollow Dam (USC00418646): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Stillhouse Hollow Dam Thresholds
- Stillhouse Hollow Dam: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1997 with 41.
- Stillhouse Hollow Dam: days with 25 mm (0.98 in) or more of precipitation in 56 years, most in 2001 with 19.
- Stillhouse Hollow Dam: days with 50 mm (1.97 in) or more of precipitation in 53 years, most in 2001 with 6.
- Stillhouse Hollow Dam: days with a maximum temperature at or above 30 C (86 F) in 42 years, most in 2011 with 175.
- 18 fixed thresholds have at least one qualifying day at Stillhouse Hollow Dam.
Days at or above 30 C (86 F)
42 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1966 | 129 | 124 |
| 1968 | 111 | 124 |
| 1969 | 132 | 124 |
| 1970 | 118 | 126.9 |
| 1971 | 130 | 126.9 |
| 1972 | 147 | 126.9 |
| 1973 | 121 | 126.9 |
| 1974 | 121 | 126.9 |
| 1975 | 125 | 126.9 |
| 1976 | 105 | 126.9 |
| 1977 | 144 | 126.9 |
| 1978 | 143 | 126.9 |
| 1979 | 115 | 126.9 |
| 1980 | 138 | 137.3 |
| 1981 | 129 | 137.3 |
| 1982 | 140 | 137.3 |
| 1983 | 123 | 137.3 |
| 1984 | 158 | 137.3 |
| 1986 | 134 | 137.3 |
| 1987 | 131 | 137.3 |
| 1989 | 145 | 137.3 |
| 1990 | 144 | 143.4 |
| 1991 | 144 | 143.4 |
| 1992 | 131 | 143.4 |
| 1993 | 129 | 143.4 |
| 1994 | 141 | 143.4 |
| 1995 | 145 | 143.4 |
| 1996 | 157 | 143.4 |
| 1997 | 134 | 143.4 |
| 1998 | 150 | 143.4 |
| 1999 | 159 | 143.4 |
| 2000 | 149 | 140.8 |
| 2001 | 130 | 140.8 |
| 2002 | 144 | 140.8 |
| 2008 | 148 | 140.8 |
| 2009 | 133 | 140.8 |
| 2010 | 136 | 144 |
| 2011 | 175 | 144 |
| 2012 | 156 | 144 |
| 2013 | 129 | 144 |
| 2014 | 131 | 144 |
| 2015 | 137 | 144 |
| Year | First date | Last date |
|---|---|---|
| 1966 | 1966-04-01 | 1966-10-14 |
| 1968 | 1968-05-03 | 1968-10-16 |
| 1969 | 1969-05-20 | 1969-11-09 |
| 1970 | 1970-04-13 | 1970-10-27 |
| 1971 | 1971-03-14 | 1971-10-17 |
| 1972 | 1972-03-08 | 1972-10-19 |
| 1973 | 1973-04-20 | 1973-10-11 |
| 1974 | 1974-03-12 | 1974-10-11 |
| 1975 | 1975-03-23 | 1975-11-08 |
| 1976 | 1976-03-21 | 1976-10-11 |
| 1977 | 1977-04-04 | 1977-11-01 |
| 1978 | 1978-04-05 | 1978-10-23 |
| 1979 | 1979-04-09 | 1979-10-22 |
| 1980 | 1980-02-21 | 1980-11-10 |
| 1981 | 1981-03-31 | 1981-10-18 |
| 1982 | 1982-03-19 | 1982-11-01 |
| 1983 | 1983-05-07 | 1983-11-23 |
| 1984 | 1984-03-28 | 1984-10-20 |
| 1986 | 1986-02-20 | 1986-10-05 |
| 1987 | 1987-04-11 | 1987-11-05 |
| 1989 | 1989-03-13 | 1989-11-15 |
| 1990 | 1990-04-30 | 1990-10-21 |
| 1991 | 1991-03-05 | 1991-10-29 |
| 1992 | 1992-04-25 | 1992-11-01 |
| 1993 | 1993-03-10 | 1993-10-20 |
| 1994 | 1994-03-06 | 1994-10-23 |
| 1995 | 1995-03-23 | 1995-10-28 |
| 1996 | 1996-02-21 | 1996-10-27 |
| 1997 | 1997-02-02 | 1997-11-01 |
| 1998 | 1998-03-31 | 1998-10-17 |
| 1999 | 1999-02-10 | 1999-11-16 |
| 2000 | 2000-01-19 | 2000-10-17 |
| 2001 | 2001-04-06 | 2001-11-03 |
| 2002 | 2002-04-14 | 2002-11-11 |
| 2008 | 2008-02-26 | 2008-11-03 |
| 2009 | 2009-02-28 | 2009-10-16 |
| 2010 | 2010-04-29 | 2010-09-30 |
| 2011 | 2011-02-25 | 2011-10-25 |
| 2012 | 2012-04-01 | 2012-11-06 |
| 2013 | 2013-03-05 | 2013-10-14 |
| 2014 | 2014-04-24 | 2014-10-26 |
| 2015 | 2015-04-14 | 2015-11-12 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 42 | 175 | 2011 | 137 |
| 35 C (95 F): Days | 42 | 104 | 2011 | 53 |
| 40 C (104 F): Days | 21 | 15 | 2000 | 2 |
| 90 F (32.2 C): Days | 42 | 147 | 2011 | 105 |
| 100 F (37.8 C): Days | 37 | 60 | 2011 | 14 |
| 110 F (43.3 C): Days | 1 | 3 | 2000 | 3 |
| 0 C (32 F): Ice days (max | 23 | 7 | 1989 | 1 |
| 0 C (32 F): Frost days (min | 38 | 55 | 1978 | 31 |
| -10 C (14 F): Days with min | 14 | 9 | 1989 | 3 |
| -20 C (-4 F): Days with min | 1 | 2 | 1989 | 2 |
| 20 C (68 F): Tropical nights (min | 38 | 133 | 1998 | 98 |
| 25 C (77 F): Days with min | 32 | 16 | 2009 | 4 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 56 | 41 | 1997 | 15 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 56 | 19 | 2001 | 8 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 53 | 6 | 2001 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 17 | 2 | 1974 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 2 | 1 | 2010 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 2 | 1 | 1966 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.
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).