Pine Ridge Threshold Days by Year (USC00396612)
18 fixed thresholds counted per year at Pine Ridge (USC00396612): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Pine Ridge Thresholds
- Pine Ridge: days with 10 mm (0.39 in) or more of precipitation in 26 years, most in 1906 with 19.
- Pine Ridge: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1963 with 94.
- Pine Ridge: days with a maximum temperature at or above 35 C (95 F) in 25 years, most in 1960 with 40.
- Pine Ridge: days with a maximum temperature at or above 90 F (32.2 C) in 25 years, most in 1963 with 70.
- 18 fixed thresholds have at least one qualifying day at Pine Ridge.
Days at or above 30 C (86 F)
25 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1901 | 61 | 48 |
| 1906 | 35 | 48 |
| 1914 | 70 | 50.8 |
| 1915 | 17 | 50.8 |
| 1916 | 56 | 50.8 |
| 1917 | 54 | 50.8 |
| 1918 | 57 | 50.8 |
| 1948 | 69 | 69 |
| 1950 | 49 | 62.9 |
| 1951 | 34 | 62.9 |
| 1952 | 64 | 62.9 |
| 1953 | 61 | 62.9 |
| 1954 | 62 | 62.9 |
| 1955 | 76 | 62.9 |
| 1956 | 77 | 62.9 |
| 1958 | 57 | 62.9 |
| 1959 | 86 | 62.9 |
| 1960 | 73 | 69.3 |
| 1961 | 84 | 69.3 |
| 1962 | 69 | 69.3 |
| 1963 | 94 | 69.3 |
| 1964 | 75 | 69.3 |
| 1965 | 50 | 69.3 |
| 1968 | 45 | 69.3 |
| 1969 | 64 | 69.3 |
| Year | First date | Last date |
|---|---|---|
| 1901 | 1901-04-25 | 1901-09-21 |
| 1906 | 1906-04-22 | 1906-10-03 |
| 1914 | 1914-05-24 | 1914-09-30 |
| 1915 | 1915-05-12 | 1915-09-25 |
| 1916 | 1916-05-05 | 1916-09-30 |
| 1917 | 1917-05-15 | 1917-09-23 |
| 1918 | 1918-05-05 | 1918-09-24 |
| 1948 | 1948-04-17 | 1948-09-18 |
| 1950 | 1950-05-22 | 1950-10-30 |
| 1951 | 1951-05-23 | 1951-09-26 |
| 1952 | 1952-04-27 | 1952-09-28 |
| 1953 | 1953-05-29 | 1953-10-11 |
| 1954 | 1954-05-21 | 1954-10-09 |
| 1955 | 1955-04-27 | 1955-10-11 |
| 1956 | 1956-05-09 | 1956-10-17 |
| 1958 | 1958-05-21 | 1958-10-18 |
| 1959 | 1959-05-01 | 1959-09-14 |
| 1960 | 1960-05-12 | 1960-10-08 |
| 1961 | 1961-05-10 | 1961-09-18 |
| 1962 | 1962-04-20 | 1962-10-14 |
| 1963 | 1963-05-07 | 1963-10-19 |
| 1964 | 1964-05-16 | 1964-10-14 |
| 1965 | 1965-04-30 | 1965-10-09 |
| 1968 | 1968-06-02 | 1968-09-14 |
| 1969 | 1969-05-14 | 1969-09-28 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 25 | 94 | 1963 | 64 |
| 35 C (95 F): Days | 25 | 40 | 1960 | 16 |
| 40 C (104 F): Days | 9 | 6 | 1960 | 3 |
| 90 F (32.2 C): Days | 25 | 70 | 1963 | 38 |
| 100 F (37.8 C): Days | 20 | 22 | 1960 | 3 |
| 110 F (43.3 C): Days | 1 | 1 | 1948 | 1 |
| 0 C (32 F): Ice days (max | 25 | 53 | 1955 | 34 |
| 0 C (32 F): Frost days (min | 24 | 194 | 1917 | 167 |
| -10 C (14 F): Days with min | 24 | 86 | 1951 | 57 |
| -20 C (-4 F): Days with min | 24 | 35 | 1916 | 13 |
| -30 C (-22 F): Days with min | 15 | 6 | 1917 | 3 |
| -40 C (-40 F): Days with min | 1 | 1 | 1901 | 1 |
| 20 C (68 F): Tropical nights (min | 21 | 13 | 1960 | 6 |
| 25 C (77 F): Days with min | 1 | 3 | 1960 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 26 | 19 | 1906 | 11 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 24 | 6 | 1915 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 9 | 1 | 1906 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 14 | 6 | 1959 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.
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).