Hamina Onkamaa Threshold Days by Year (FIE00143176)
3 fixed thresholds counted per year at Hamina Onkamaa (FIE00143176): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Hamina Onkamaa Thresholds
- Hamina Onkamaa: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 2004 with 34.
- Hamina Onkamaa: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 2007 with 6.
- Hamina Onkamaa: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1988 with 1.
- 3 fixed thresholds have at least one qualifying day at Hamina Onkamaa.
Days with 10 mm (0.39 in) or more of precipitation
39 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1969 | 22 | 22 |
| 1970 | 24 | 20.8 |
| 1971 | 17 | 20.8 |
| 1972 | 17 | 20.8 |
| 1973 | 23 | 20.8 |
| 1974 | 30 | 20.8 |
| 1976 | 16 | 20.8 |
| 1977 | 25 | 20.8 |
| 1978 | 13 | 20.8 |
| 1979 | 22 | 20.8 |
| 1980 | 28 | 21.9 |
| 1981 | 26 | 21.9 |
| 1982 | 12 | 21.9 |
| 1983 | 24 | 21.9 |
| 1984 | 23 | 21.9 |
| 1985 | 23 | 21.9 |
| 1986 | 22 | 21.9 |
| 1987 | 23 | 21.9 |
| 1988 | 22 | 21.9 |
| 1989 | 16 | 21.9 |
| 1990 | 27 | 22 |
| 1991 | 30 | 22 |
| 1992 | 12 | 22 |
| 1993 | 12 | 22 |
| 1994 | 28 | 22 |
| 1995 | 21 | 22 |
| 1996 | 22 | 22 |
| 1997 | 19 | 22 |
| 1998 | 30 | 22 |
| 1999 | 19 | 22 |
| 2000 | 26 | 24.7 |
| 2001 | 21 | 24.7 |
| 2002 | 15 | 24.7 |
| 2003 | 25 | 24.7 |
| 2004 | 34 | 24.7 |
| 2005 | 29 | 24.7 |
| 2006 | 13 | 24.7 |
| 2007 | 27 | 24.7 |
| 2008 | 32 | 24.7 |
| Year | First date | Last date |
|---|---|---|
| 1969 | 1969-04-13 | 1969-11-23 |
| 1970 | 1970-01-01 | 1970-12-31 |
| 1971 | 1971-02-02 | 1971-12-21 |
| 1972 | 1972-03-27 | 1972-12-01 |
| 1973 | 1973-02-05 | 1973-12-03 |
| 1974 | 1974-01-15 | 1974-12-17 |
| 1976 | 1976-01-20 | 1976-12-27 |
| 1977 | 1977-02-15 | 1977-11-22 |
| 1978 | 1978-04-15 | 1978-11-19 |
| 1979 | 1979-01-07 | 1979-12-18 |
| 1980 | 1980-04-19 | 1980-11-29 |
| 1981 | 1981-03-09 | 1981-12-24 |
| 1982 | 1982-04-08 | 1982-12-15 |
| 1983 | 1983-01-01 | 1983-12-30 |
| 1984 | 1984-01-03 | 1984-12-21 |
| 1985 | 1985-03-26 | 1985-12-26 |
| 1986 | 1986-01-24 | 1986-12-03 |
| 1987 | 1987-01-25 | 1987-12-29 |
| 1988 | 1988-01-01 | 1988-12-30 |
| 1989 | 1989-01-08 | 1989-12-21 |
| 1990 | 1990-01-09 | 1990-12-20 |
| 1991 | 1991-01-03 | 1991-12-23 |
| 1992 | 1992-02-03 | 1992-12-04 |
| 1993 | 1993-01-15 | 1993-12-19 |
| 1994 | 1994-01-13 | 1994-12-30 |
| 1995 | 1995-01-08 | 1995-12-29 |
| 1996 | 1996-02-15 | 1996-11-29 |
| 1997 | 1997-01-08 | 1997-12-02 |
| 1998 | 1998-01-10 | 1998-12-24 |
| 1999 | 1999-02-04 | 1999-12-17 |
| 2000 | 2000-03-03 | 2000-12-12 |
| 2001 | 2001-02-06 | 2001-11-15 |
| 2002 | 2002-01-24 | 2002-11-26 |
| 2003 | 2003-01-20 | 2003-12-28 |
| 2004 | 2004-01-31 | 2004-12-23 |
| 2005 | 2005-01-02 | 2005-12-31 |
| 2006 | 2006-08-27 | 2006-12-05 |
| 2007 | 2007-01-09 | 2007-12-08 |
| 2008 | 2008-01-19 | 2008-12-21 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 10 mm (0.39 in): Days with 10 mm or more rain | 39 | 34 | 2004 | 32 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 37 | 6 | 2007 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 2 | 1 | 1988 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.
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).