Herten Threshold Days by Year (GME00123706)
11 fixed thresholds counted per year at Herten (GME00123706): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Herten Thresholds
- Herten: nights with a minimum temperature at or below 0 C (32 F) in 32 years, most in 1996 with 93.
- Herten: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 2007 with 39.
- Herten: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 2006 with 27.
- Herten: days with a maximum temperature at or below 0 C (32 F) in 29 years, most in 1985 with 38.
- 11 fixed thresholds have at least one qualifying day at Herten.
Days at or above 30 C (86 F)
29 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1976 | 14 | 6 |
| 1977 | 1 | 6 |
| 1978 | 3 | 6 |
| 1980 | 1 | 5.3 |
| 1981 | 4 | 5.3 |
| 1982 | 10 | 5.3 |
| 1983 | 11 | 5.3 |
| 1984 | 4 | 5.3 |
| 1985 | 6 | 5.3 |
| 1986 | 5 | 5.3 |
| 1987 | 2 | 5.3 |
| 1989 | 5 | 5.3 |
| 1990 | 5 | 9.2 |
| 1991 | 5 | 9.2 |
| 1992 | 10 | 9.2 |
| 1994 | 17 | 9.2 |
| 1995 | 13 | 9.2 |
| 1996 | 4 | 9.2 |
| 1997 | 6 | 9.2 |
| 1998 | 8 | 9.2 |
| 1999 | 15 | 9.2 |
| 2000 | 10 | 14.9 |
| 2001 | 17 | 14.9 |
| 2002 | 12 | 14.9 |
| 2003 | 26 | 14.9 |
| 2004 | 10 | 14.9 |
| 2005 | 11 | 14.9 |
| 2006 | 27 | 14.9 |
| 2007 | 6 | 14.9 |
| Year | First date | Last date |
|---|---|---|
| 1976 | 1976-05-08 | 1976-07-16 |
| 1977 | 1977-06-13 | 1977-06-13 |
| 1978 | 1978-07-29 | 1978-07-31 |
| 1980 | 1980-08-02 | 1980-08-02 |
| 1981 | 1981-06-02 | 1981-08-06 |
| 1982 | 1982-06-02 | 1982-08-03 |
| 1983 | 1983-06-04 | 1983-08-20 |
| 1984 | 1984-07-09 | 1984-07-31 |
| 1985 | 1985-05-26 | 1985-08-14 |
| 1986 | 1986-06-16 | 1986-08-03 |
| 1987 | 1987-06-29 | 1987-06-30 |
| 1989 | 1989-07-06 | 1989-08-21 |
| 1990 | 1990-07-28 | 1990-08-12 |
| 1991 | 1991-07-06 | 1991-08-07 |
| 1992 | 1992-05-14 | 1992-08-09 |
| 1994 | 1994-06-25 | 1994-08-05 |
| 1995 | 1995-07-08 | 1995-08-19 |
| 1996 | 1996-06-06 | 1996-08-20 |
| 1997 | 1997-06-07 | 1997-08-25 |
| 1998 | 1998-05-11 | 1998-08-12 |
| 1999 | 1999-05-29 | 1999-09-13 |
| 2000 | 2000-05-15 | 2000-08-14 |
| 2001 | 2001-06-26 | 2001-08-26 |
| 2002 | 2002-06-17 | 2002-08-20 |
| 2003 | 2003-05-30 | 2003-09-20 |
| 2004 | 2004-06-08 | 2004-08-10 |
| 2005 | 2005-05-01 | 2005-08-31 |
| 2006 | 2006-06-11 | 2006-09-22 |
| 2007 | 2007-04-15 | 2007-08-06 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 29 | 27 | 2006 | 6 |
| 35 C (95 F): Days | 7 | 6 | 2003 | 1 |
| 90 F (32.2 C): Days | 20 | 15 | 2003 | 2 |
| 100 F (37.8 C): Days | 3 | 2 | 2003 | 1 |
| 0 C (32 F): Ice days (max | 29 | 38 | 1985 | 4 |
| 0 C (32 F): Frost days (min | 32 | 93 | 1996 | 36 |
| -10 C (14 F): Days with min | 19 | 20 | 1985 | 1 |
| 20 C (68 F): Tropical nights (min | 10 | 3 | 2003 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 32 | 39 | 2007 | 39 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 29 | 7 | 1987 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 4 | 1 | 1976 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1976.
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).