Spray Threshold Days by Year (USC00358009)
19 fixed thresholds counted per year at Spray (USC00358009): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Spray Thresholds
- Spray: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1968 with 11.
- Spray: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 1967 with 111.
- Spray: days with a maximum temperature at or above 35 C (95 F) in 22 years, most in 1967 with 66.
- Spray: days with a maximum temperature at or above 90 F (32.2 C) in 22 years, most in 1967 with 94.
- 19 fixed thresholds have at least one qualifying day at Spray.
Days at or above 30 C (86 F)
22 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1937 | 68 | 78 |
| 1938 | 85 | 78 |
| 1939 | 81 | 78 |
| 1959 | 73 | 73 |
| 1960 | 97 | 86.3 |
| 1961 | 92 | 86.3 |
| 1962 | 77 | 86.3 |
| 1963 | 85 | 86.3 |
| 1964 | 69 | 86.3 |
| 1965 | 71 | 86.3 |
| 1966 | 93 | 86.3 |
| 1967 | 111 | 86.3 |
| 1968 | 83 | 86.3 |
| 1969 | 85 | 86.3 |
| 1970 | 96 | 88.1 |
| 1971 | 83 | 88.1 |
| 1972 | 88 | 88.1 |
| 1973 | 89 | 88.1 |
| 1974 | 103 | 88.1 |
| 1975 | 84 | 88.1 |
| 1976 | 76 | 88.1 |
| 1977 | 86 | 88.1 |
| Year | First date | Last date |
|---|---|---|
| 1937 | 1937-05-02 | 1937-09-18 |
| 1938 | 1938-05-22 | 1938-09-24 |
| 1939 | 1939-04-20 | 1939-10-12 |
| 1959 | 1959-05-13 | 1959-09-13 |
| 1960 | 1960-05-10 | 1960-10-06 |
| 1961 | 1961-05-20 | 1961-10-15 |
| 1962 | 1962-04-18 | 1962-10-02 |
| 1963 | 1963-05-20 | 1963-10-02 |
| 1964 | 1964-05-16 | 1964-10-12 |
| 1965 | 1965-05-11 | 1965-10-09 |
| 1966 | 1966-05-02 | 1966-10-05 |
| 1967 | 1967-05-16 | 1967-10-09 |
| 1968 | 1968-04-10 | 1968-10-01 |
| 1969 | 1969-05-08 | 1969-09-28 |
| 1970 | 1970-05-03 | 1970-10-04 |
| 1971 | 1971-05-11 | 1971-10-11 |
| 1972 | 1972-05-06 | 1972-09-19 |
| 1973 | 1973-05-12 | 1973-09-29 |
| 1974 | 1974-05-24 | 1974-10-02 |
| 1975 | 1975-05-13 | 1975-10-05 |
| 1976 | 1976-05-09 | 1976-10-12 |
| 1977 | 1977-04-07 | 1977-09-14 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 22 | 111 | 1967 | 86 |
| 35 C (95 F): Days | 22 | 66 | 1967 | 52 |
| 40 C (104 F): Days | 21 | 18 | 1977 | 18 |
| 45 C (113 F): Days | 3 | 4 | 1961 | 4 |
| 90 F (32.2 C): Days | 22 | 94 | 1967 | 75 |
| 100 F (37.8 C): Days | 22 | 39 | 1961 | 34 |
| 110 F (43.3 C): Days | 9 | 7 | 1961 | 2 |
| 0 C (32 F): Ice days (max | 18 | 24 | 1937 | 14 |
| 0 C (32 F): Frost days (min | 22 | 142 | 1964 | 119 |
| -10 C (14 F): Days with min | 21 | 21 | 1937 | 14 |
| -20 C (-4 F): Days with min | 7 | 10 | 1937 | 4 |
| -30 C (-22 F): Days with min | 2 | 1 | 1937 | 1 |
| 20 C (68 F): Tropical nights (min | 15 | 9 | 1937 | 1 |
| 25 C (77 F): Days with min | 1 | 1 | 1959 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 25 | 11 | 1968 | 3 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 8 | 3 | 1965 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 2 | 1 | 1937 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 6 | 2 | 1973 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1973 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.
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).