Whitesand Dam Threshold Days by Year (CA004068840)
16 fixed thresholds counted per year at Whitesand Dam (CA004068840): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Whitesand Dam Thresholds
- Whitesand Dam: days with a maximum temperature at or below 0 C (32 F) in 43 years, most in 1967 with 171.
- Whitesand Dam: nights with a minimum temperature at or below 0 C (32 F) in 43 years, most in 1969 with 252.
- Whitesand Dam: nights with a minimum temperature at or below -10 C (14 F) in 43 years, most in 1972 with 164.
- Whitesand Dam: nights with a minimum temperature at or below -20 C (-4 F) in 43 years, most in 1970 with 114.
- 16 fixed thresholds have at least one qualifying day at Whitesand Dam.
Days at or above 30 C (86 F)
28 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1939 | 2 | 2 |
| 1941 | 9 | 6.6 |
| 1942 | 2 | 6.6 |
| 1943 | 4 | 6.6 |
| 1944 | 6 | 6.6 |
| 1945 | 4 | 6.6 |
| 1946 | 10 | 6.6 |
| 1947 | 11 | 6.6 |
| 1948 | 9 | 6.6 |
| 1949 | 4 | 6.6 |
| 1950 | 7 | 5 |
| 1951 | 4 | 5 |
| 1953 | 5 | 5 |
| 1954 | 2 | 5 |
| 1955 | 8 | 5 |
| 1956 | 4 | 5 |
| 1960 | 1 | 1.7 |
| 1963 | 1 | 1.7 |
| 1967 | 3 | 1.7 |
| 1970 | 3 | 2.2 |
| 1972 | 1 | 2.2 |
| 1974 | 2 | 2.2 |
| 1975 | 3 | 2.2 |
| 1978 | 1 | 2.2 |
| 1979 | 3 | 2.2 |
| 1980 | 2 | 3.3 |
| 1981 | 3 | 3.3 |
| 1983 | 5 | 3.3 |
| Year | First date | Last date |
|---|---|---|
| 1939 | 1939-07-29 | 1939-08-06 |
| 1941 | 1941-07-03 | 1941-07-31 |
| 1942 | 1942-06-09 | 1942-07-24 |
| 1943 | 1943-07-02 | 1943-08-08 |
| 1944 | 1944-05-28 | 1944-07-21 |
| 1945 | 1945-07-14 | 1945-08-09 |
| 1946 | 1946-06-19 | 1946-08-24 |
| 1947 | 1947-07-06 | 1947-08-02 |
| 1948 | 1948-05-30 | 1948-07-14 |
| 1949 | 1949-08-03 | 1949-08-17 |
| 1950 | 1950-07-19 | 1950-08-03 |
| 1951 | 1951-05-23 | 1951-08-04 |
| 1953 | 1953-07-11 | 1953-08-20 |
| 1954 | 1954-07-05 | 1954-07-20 |
| 1955 | 1955-06-29 | 1955-09-02 |
| 1956 | 1956-06-09 | 1956-06-20 |
| 1960 | 1960-07-08 | 1960-07-08 |
| 1963 | 1963-07-08 | 1963-07-08 |
| 1967 | 1967-08-11 | 1967-09-06 |
| 1970 | 1970-06-04 | 1970-08-08 |
| 1972 | 1972-08-25 | 1972-08-25 |
| 1974 | 1974-06-24 | 1974-08-05 |
| 1975 | 1975-07-03 | 1975-07-12 |
| 1978 | 1978-07-04 | 1978-07-04 |
| 1979 | 1979-07-05 | 1979-07-19 |
| 1980 | 1980-06-10 | 1980-06-11 |
| 1981 | 1981-07-03 | 1981-08-28 |
| 1983 | 1983-06-17 | 1983-08-11 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 28 | 11 | 1947 | 5 |
| 35 C (95 F): Days | 4 | 2 | 1950 | 2 |
| 90 F (32.2 C): Days | 15 | 4 | 1947 | 1 |
| 100 F (37.8 C): Days | 1 | 1 | 1941 | 1 |
| 0 C (32 F): Ice days (max | 43 | 171 | 1967 | 142 |
| 0 C (32 F): Frost days (min | 43 | 252 | 1969 | 227 |
| -10 C (14 F): Days with min | 43 | 164 | 1972 | 132 |
| -20 C (-4 F): Days with min | 43 | 114 | 1970 | 86 |
| -30 C (-22 F): Days with min | 43 | 70 | 1972 | 33 |
| -40 C (-40 F): Days with min | 40 | 21 | 1950 | 3 |
| 20 C (68 F): Tropical nights (min | 3 | 1 | 1953 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 43 | 24 | 1976 | 15 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 31 | 4 | 1939 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 3 | 1 | 1964 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 40 | 7 | 1955 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 4 | 1 | 1944 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.
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).