Ulithi Threshold Days by Year (FMC00914892)
10 fixed thresholds counted per year at Ulithi (FMC00914892): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Ulithi Thresholds
- Ulithi: days with 10 mm (0.39 in) or more of precipitation in 22 years, most in 2011 with 95.
- Ulithi: days with 25 mm (0.98 in) or more of precipitation in 22 years, most in 2011 with 48.
- Ulithi: days with 50 mm (1.97 in) or more of precipitation in 22 years, most in 2001 with 15.
- Ulithi: days with 100 mm (3.94 in) or more of precipitation in 19 years, most in 2002 with 3.
- 10 fixed thresholds have at least one qualifying day at Ulithi.
Days at or above 30 C (86 F)
10 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1990 | 304 | 306.9 |
| 1991 | 291 | 306.9 |
| 1993 | 294 | 306.9 |
| 1995 | 302 | 306.9 |
| 1997 | 276 | 306.9 |
| 1998 | 352 | 306.9 |
| 1999 | 329 | 306.9 |
| 2000 | 308 | 321.7 |
| 2001 | 336 | 321.7 |
| 2002 | 321 | 321.7 |
| Year | First date | Last date |
|---|---|---|
| 1990 | 1990-01-03 | 1990-12-31 |
| 1991 | 1991-01-01 | 1991-12-31 |
| 1993 | 1993-01-03 | 1993-12-31 |
| 1995 | 1995-01-01 | 1995-12-31 |
| 1997 | 1997-01-02 | 1997-12-31 |
| 1998 | 1998-01-01 | 1998-12-31 |
| 1999 | 1999-01-01 | 1999-12-31 |
| 2000 | 2000-01-01 | 2000-12-31 |
| 2001 | 2001-01-01 | 2001-12-31 |
| 2002 | 2002-01-01 | 2002-12-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 10 | 352 | 1998 | 321 |
| 35 C (95 F): Days | 4 | 2 | 1995 | 1 |
| 90 F (32.2 C): Days | 10 | 113 | 2001 | 84 |
| 20 C (68 F): Tropical nights (min | 10 | 365 | 1999 | 365 |
| 25 C (77 F): Days with min | 10 | 269 | 2002 | 269 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 22 | 95 | 2011 | 34 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 22 | 48 | 2011 | 16 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 22 | 15 | 2001 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 19 | 3 | 2002 | 3 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 2014 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1990.
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 (2026-10-17).