Blowing Rock 1NW Threshold Days by Year
15 fixed thresholds counted per year at Blowing Rock 1NW (USC00310901): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Blowing Rock 1NW Thresholds
- Blowing Rock 1NW: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1992 with 67.
- Blowing Rock 1NW: days with 25 mm (0.98 in) or more of precipitation in 48 years, most in 1949 with 36.
- Blowing Rock 1NW: days with 50 mm (1.97 in) or more of precipitation in 48 years, most in 1990 with 10.
- Blowing Rock 1NW: days with a maximum temperature at or below 0 C (32 F) in 45 years, most in 1968 with 43.
- 15 fixed thresholds have at least one qualifying day at Blowing Rock 1NW.
Days at or above 30 C (86 F)
18 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1948 | 2 | 1.5 |
| 1949 | 1 | 1.5 |
| 1957 | 3 | 2.3 |
| 1958 | 1 | 2.3 |
| 1959 | 3 | 2.3 |
| 1964 | 1 | 2 |
| 1966 | 1 | 2 |
| 1968 | 5 | 2 |
| 1969 | 1 | 2 |
| 1975 | 3 | 6.3 |
| 1976 | 2 | 6.3 |
| 1977 | 11 | 6.3 |
| 1978 | 9 | 6.3 |
| 1981 | 4 | 5.7 |
| 1983 | 4 | 5.7 |
| 1988 | 9 | 5.7 |
| 1993 | 5 | 5 |
| 2007 | 1 | 1 |
| Year | First date | Last date |
|---|---|---|
| 1948 | 1948-07-05 | 1948-08-29 |
| 1949 | 1949-07-28 | 1949-07-28 |
| 1957 | 1957-08-31 | 1957-09-02 |
| 1958 | 1958-08-02 | 1958-08-02 |
| 1959 | 1959-06-30 | 1959-07-02 |
| 1964 | 1964-06-23 | 1964-06-23 |
| 1966 | 1966-07-15 | 1966-07-15 |
| 1968 | 1968-07-01 | 1968-08-25 |
| 1969 | 1969-07-19 | 1969-07-19 |
| 1975 | 1975-08-15 | 1975-08-28 |
| 1976 | 1976-07-25 | 1976-09-10 |
| 1977 | 1977-05-20 | 1977-08-12 |
| 1978 | 1978-06-29 | 1978-09-20 |
| 1981 | 1981-06-22 | 1981-07-29 |
| 1983 | 1983-08-21 | 1983-08-24 |
| 1988 | 1988-07-09 | 1988-08-20 |
| 1993 | 1993-06-11 | 1993-07-29 |
| 2007 | 2007-08-17 | 2007-08-17 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 18 | 11 | 1977 | 1 |
| 90 F (32.2 C): Days | 3 | 2 | 1977 | 1 |
| 0 C (32 F): Ice days (max | 45 | 43 | 1968 | 21 |
| 0 C (32 F): Frost days (min | 44 | 151 | 1981 | 102 |
| -10 C (14 F): Days with min | 44 | 47 | 1978 | 26 |
| -20 C (-4 F): Days with min | 24 | 10 | 1977 | 1 |
| -30 C (-22 F): Days with min | 1 | 1 | 1985 | 1 |
| 20 C (68 F): Tropical nights (min | 10 | 4 | 1983 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 48 | 67 | 1992 | 42 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 48 | 36 | 1949 | 20 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 48 | 10 | 1990 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 21 | 2 | 1976 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 0 | n/a | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 35 | 7 | 1983 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 12 | 2 | 1983 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.
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).