Hanna 4 SSE Threshold Days by Year (USC00164050)
5 fixed thresholds counted per year at Hanna 4 SSE (USC00164050): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Hanna 4 SSE Thresholds
- Hanna 4 SSE: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 2004 with 59.
- Hanna 4 SSE: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 2020 with 30.
- Hanna 4 SSE: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 2018 with 11.
- Hanna 4 SSE: days with 100 mm (3.94 in) or more of precipitation in 12 years, most in 2008 with 3.
- 5 fixed thresholds have at least one qualifying day at Hanna 4 SSE.
Days with 10 mm (0.39 in) or more of precipitation
29 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1973 | 48 | 42.3 |
| 1974 | 55 | 42.3 |
| 1975 | 49 | 42.3 |
| 1976 | 39 | 42.3 |
| 1977 | 32 | 42.3 |
| 1978 | 30 | 42.3 |
| 1979 | 43 | 42.3 |
| 1980 | 26 | 33.4 |
| 1981 | 29 | 33.4 |
| 1982 | 41 | 33.4 |
| 1983 | 38 | 33.4 |
| 1984 | 33 | 33.4 |
| 1992 | 46 | 41.7 |
| 1998 | 44 | 41.7 |
| 1999 | 35 | 41.7 |
| 2000 | 43 | 42.4 |
| 2001 | 51 | 42.4 |
| 2002 | 40 | 42.4 |
| 2003 | 46 | 42.4 |
| 2004 | 59 | 42.4 |
| 2005 | 29 | 42.4 |
| 2006 | 34 | 42.4 |
| 2007 | 43 | 42.4 |
| 2008 | 35 | 42.4 |
| 2009 | 44 | 42.4 |
| 2018 | 51 | 52.5 |
| 2019 | 54 | 52.5 |
| 2020 | 56 | 50 |
| 2021 | 44 | 50 |
| Year | First date | Last date |
|---|---|---|
| 1973 | 1973-01-06 | 1973-12-25 |
| 1974 | 1974-01-03 | 1974-12-30 |
| 1975 | 1975-01-03 | 1975-12-29 |
| 1976 | 1976-01-25 | 1976-12-25 |
| 1977 | 1977-01-09 | 1977-12-30 |
| 1978 | 1978-01-08 | 1978-12-30 |
| 1979 | 1979-01-01 | 1979-12-24 |
| 1980 | 1980-01-22 | 1980-12-09 |
| 1981 | 1981-01-06 | 1981-12-02 |
| 1982 | 1982-01-03 | 1982-12-28 |
| 1983 | 1983-01-01 | 1983-12-17 |
| 1984 | 1984-01-24 | 1984-12-06 |
| 1992 | 1992-01-12 | 1992-12-24 |
| 1998 | 1998-01-04 | 1998-12-25 |
| 1999 | 1999-01-02 | 1999-12-18 |
| 2000 | 2000-01-09 | 2000-12-27 |
| 2001 | 2001-01-11 | 2001-12-23 |
| 2002 | 2002-01-06 | 2002-12-30 |
| 2003 | 2003-01-25 | 2003-12-29 |
| 2004 | 2004-01-08 | 2004-12-23 |
| 2005 | 2005-01-08 | 2005-12-15 |
| 2006 | 2006-01-10 | 2006-12-30 |
| 2007 | 2007-01-05 | 2007-12-27 |
| 2008 | 2008-01-19 | 2008-12-28 |
| 2009 | 2009-01-06 | 2009-12-24 |
| 2018 | 2018-01-08 | 2018-12-31 |
| 2019 | 2019-01-03 | 2019-12-30 |
| 2020 | 2020-01-02 | 2020-12-31 |
| 2021 | 2021-01-01 | 2021-12-19 |
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 | 29 | 59 | 2004 | 44 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 29 | 30 | 2020 | 12 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 29 | 11 | 2018 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 12 | 3 | 2008 | 2 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 2 | 1 | 1977 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.
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).