Pacific Heights Threshold Days by Year
11 fixed thresholds counted per year at Pacific Heights (ASN00033077): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Pacific Heights Thresholds
- Pacific Heights: days with 10 mm (0.39 in) or more of precipitation in 126 years, most in 1910 with 68.
- Pacific Heights: days with 25 mm (0.98 in) or more of precipitation in 126 years, most in 1910 with 47.
- Pacific Heights: days with 50 mm (1.97 in) or more of precipitation in 123 years, most in 1910 with 26.
- Pacific Heights: days with 100 mm (3.94 in) or more of precipitation in 82 years, most in 1910 with 7.
- 11 fixed thresholds have at least one qualifying day at Pacific Heights.
Days at or above 30 C (86 F)
8 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1968 | 40 | 46 |
| 1969 | 52 | 46 |
| 1970 | 51 | 43.3 |
| 1971 | 73 | 43.3 |
| 1972 | 44 | 43.3 |
| 1973 | 46 | 43.3 |
| 1974 | 29 | 43.3 |
| 1977 | 17 | 43.3 |
| Year | First date | Last date |
|---|---|---|
| 1968 | 1968-01-01 | 1968-12-31 |
| 1969 | 1969-01-01 | 1969-12-23 |
| 1970 | 1970-01-01 | 1970-12-23 |
| 1971 | 1971-01-01 | 1971-12-31 |
| 1972 | 1972-01-03 | 1972-12-31 |
| 1973 | 1973-01-01 | 1973-12-22 |
| 1974 | 1974-01-01 | 1974-12-27 |
| 1977 | 1977-01-03 | 1977-12-29 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 8 | 73 | 1971 | 17 |
| 35 C (95 F): Days | 6 | 5 | 1971 | 1 |
| 90 F (32.2 C): Days | 8 | 19 | 1971 | 4 |
| 100 F (37.8 C): Days | 1 | 1 | 1971 | 1 |
| 20 C (68 F): Tropical nights (min | 9 | 192 | 1973 | 145 |
| 25 C (77 F): Days with min | 9 | 30 | 1973 | 5 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 126 | 68 | 1910 | 20 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 126 | 47 | 1910 | 7 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 123 | 26 | 1910 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 82 | 7 | 1910 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 26 | 3 | 1913 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.
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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-16).