Siloam 3N Threshold Days by Year (USC00098064)
18 fixed thresholds counted per year at Siloam 3N (USC00098064): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Siloam 3N Thresholds
- Siloam 3N: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1964 with 49.
- Siloam 3N: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1964 with 23.
- Siloam 3N: days with a maximum temperature at or above 30 C (86 F) in 50 years, most in 1987 with 127.
- Siloam 3N: days with a maximum temperature at or above 90 F (32.2 C) in 50 years, most in 2011 with 100.
- 18 fixed thresholds have at least one qualifying day at Siloam 3N.
Days at or above 30 C (86 F)
50 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1961 | 98 | 99.3 |
| 1962 | 124 | 99.3 |
| 1963 | 105 | 99.3 |
| 1964 | 86 | 99.3 |
| 1965 | 123 | 99.3 |
| 1966 | 78 | 99.3 |
| 1967 | 84 | 99.3 |
| 1968 | 99 | 99.3 |
| 1969 | 97 | 99.3 |
| 1970 | 125 | 104.3 |
| 1971 | 109 | 104.3 |
| 1972 | 96 | 104.3 |
| 1973 | 107 | 104.3 |
| 1974 | 96 | 104.3 |
| 1975 | 94 | 104.3 |
| 1976 | 90 | 104.3 |
| 1977 | 121 | 104.3 |
| 1978 | 125 | 104.3 |
| 1979 | 80 | 104.3 |
| 1980 | 121 | 108.5 |
| 1981 | 109 | 108.5 |
| 1982 | 103 | 108.5 |
| 1983 | 104 | 108.5 |
| 1984 | 115 | 108.5 |
| 1985 | 109 | 108.5 |
| 1986 | 120 | 108.5 |
| 1987 | 127 | 108.5 |
| 1988 | 97 | 108.5 |
| 1989 | 80 | 108.5 |
| 1990 | 111 | 88.9 |
| 1991 | 63 | 88.9 |
| 1992 | 57 | 88.9 |
| 1993 | 111 | 88.9 |
| 1994 | 82 | 88.9 |
| 1995 | 90 | 88.9 |
| 1996 | 87 | 88.9 |
| 1997 | 82 | 88.9 |
| 1998 | 116 | 88.9 |
| 1999 | 90 | 88.9 |
| 2001 | 84 | 94.4 |
| 2002 | 104 | 94.4 |
| 2003 | 73 | 94.4 |
| 2004 | 95 | 94.4 |
| 2005 | 96 | 94.4 |
| 2006 | 113 | 94.4 |
| 2008 | 102 | 94.4 |
| 2009 | 88 | 94.4 |
| 2010 | 123 | 118.7 |
| 2011 | 123 | 118.7 |
| 2012 | 110 | 118.7 |
| Year | First date | Last date |
|---|---|---|
| 1961 | 1961-05-07 | 1961-11-04 |
| 1962 | 1962-04-30 | 1962-10-13 |
| 1963 | 1963-04-03 | 1963-10-28 |
| 1964 | 1964-04-20 | 1964-09-28 |
| 1965 | 1965-04-06 | 1965-10-16 |
| 1966 | 1966-05-09 | 1966-10-10 |
| 1967 | 1967-03-12 | 1967-10-06 |
| 1968 | 1968-04-19 | 1968-10-03 |
| 1969 | 1969-04-04 | 1969-10-14 |
| 1970 | 1970-04-21 | 1970-10-12 |
| 1971 | 1971-04-18 | 1971-10-05 |
| 1972 | 1972-05-25 | 1972-10-17 |
| 1973 | 1973-05-11 | 1973-10-05 |
| 1974 | 1974-03-10 | 1974-09-28 |
| 1975 | 1975-04-26 | 1975-10-12 |
| 1976 | 1976-04-18 | 1976-09-26 |
| 1977 | 1977-04-11 | 1977-09-27 |
| 1978 | 1978-04-05 | 1978-10-27 |
| 1979 | 1979-05-12 | 1979-09-07 |
| 1980 | 1980-04-23 | 1980-10-11 |
| 1981 | 1981-04-12 | 1981-10-06 |
| 1982 | 1982-05-11 | 1982-10-06 |
| 1983 | 1983-05-11 | 1983-09-20 |
| 1984 | 1984-04-25 | 1984-10-30 |
| 1985 | 1985-04-20 | 1985-10-21 |
| 1986 | 1986-04-25 | 1986-10-05 |
| 1987 | 1987-04-21 | 1987-09-29 |
| 1988 | 1988-04-06 | 1988-09-26 |
| 1989 | 1989-04-24 | 1989-10-07 |
| 1990 | 1990-04-28 | 1990-10-10 |
| 1991 | 1991-04-18 | 1991-09-20 |
| 1992 | 1992-05-03 | 1992-09-23 |
| 1993 | 1993-05-07 | 1993-09-27 |
| 1994 | 1994-04-21 | 1994-09-30 |
| 1995 | 1995-03-24 | 1995-09-22 |
| 1996 | 1996-05-03 | 1996-09-26 |
| 1997 | 1997-05-19 | 1997-10-08 |
| 1998 | 1998-05-13 | 1998-11-01 |
| 1999 | 1999-04-04 | 1999-09-15 |
| 2001 | 2001-04-11 | 2001-09-24 |
| 2002 | 2002-04-17 | 2002-10-08 |
| 2003 | 2003-05-10 | 2003-09-22 |
| 2004 | 2004-04-25 | 2004-09-06 |
| 2005 | 2005-05-09 | 2005-10-05 |
| 2006 | 2006-04-03 | 2006-10-07 |
| 2008 | 2008-05-24 | 2008-10-01 |
| 2009 | 2009-04-25 | 2009-09-26 |
| 2010 | 2010-04-02 | 2010-10-12 |
| 2011 | 2011-03-20 | 2011-10-18 |
| 2012 | 2012-03-16 | 2012-10-07 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 50 | 127 | 1987 | 110 |
| 35 C (95 F): Days | 46 | 58 | 2011 | 26 |
| 40 C (104 F): Days | 7 | 5 | 1983 | 3 |
| 90 F (32.2 C): Days | 50 | 100 | 2011 | 65 |
| 100 F (37.8 C): Days | 30 | 17 | 1986 | 7 |
| 110 F (43.3 C): Days | 1 | 1 | 2012 | 1 |
| 0 C (32 F): Ice days (max | 24 | 4 | 1996 | 1 |
| 0 C (32 F): Frost days (min | 50 | 76 | 2010 | 43 |
| -10 C (14 F): Days with min | 35 | 6 | 1970 | 3 |
| -20 C (-4 F): Days with min | 1 | 1 | 1985 | 1 |
| 20 C (68 F): Tropical nights (min | 50 | 84 | 1998 | 52 |
| 25 C (77 F): Days with min | 6 | 3 | 1980 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 51 | 49 | 1964 | 33 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 51 | 23 | 1964 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 46 | 9 | 1964 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 9 | 1 | 1964 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 3 | 1 | 1973 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1973 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.
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).