Norwood Threshold Days by Year (CA006165716)
14 fixed thresholds counted per year at Norwood (CA006165716): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Norwood Thresholds
- Norwood: days with 10 cm (3.9 in) or more of snowfall in 23 years, most in 1893 with 14.
- Norwood: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 1913 with 21.
- Norwood: days with a maximum temperature at or below 0 C (32 F) in 22 years, most in 1879 with 99.
- Norwood: nights with a minimum temperature at or below 0 C (32 F) in 22 years, most in 1887 with 226.
- 14 fixed thresholds have at least one qualifying day at Norwood.
Days at or above 30 C (86 F)
22 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1876 | 19 | 12.3 |
| 1877 | 7 | 12.3 |
| 1878 | 15 | 12.3 |
| 1879 | 8 | 12.3 |
| 1880 | 7 | 10 |
| 1887 | 18 | 10 |
| 1889 | 5 | 10 |
| 1891 | 6 | 5 |
| 1892 | 5 | 5 |
| 1893 | 4 | 5 |
| 1913 | 21 | 14 |
| 1915 | 9 | 14 |
| 1917 | 12 | 14 |
| 1971 | 12 | 10 |
| 1972 | 1 | 10 |
| 1973 | 19 | 10 |
| 1974 | 5 | 10 |
| 1975 | 19 | 10 |
| 1976 | 4 | 10 |
| 1977 | 9 | 10 |
| 1978 | 11 | 10 |
| 1979 | 10 | 10 |
| Year | First date | Last date |
|---|---|---|
| 1876 | 1876-06-12 | 1876-08-31 |
| 1877 | 1877-06-01 | 1877-07-30 |
| 1878 | 1878-06-29 | 1878-07-20 |
| 1879 | 1879-06-24 | 1879-09-01 |
| 1880 | 1880-05-24 | 1880-08-27 |
| 1887 | 1887-06-17 | 1887-08-06 |
| 1889 | 1889-05-08 | 1889-07-10 |
| 1891 | 1891-06-15 | 1891-09-26 |
| 1892 | 1892-06-13 | 1892-07-29 |
| 1893 | 1893-06-21 | 1893-09-01 |
| 1913 | 1913-05-04 | 1913-09-08 |
| 1915 | 1915-04-26 | 1915-09-16 |
| 1917 | 1917-07-22 | 1917-08-02 |
| 1971 | 1971-06-19 | 1971-09-06 |
| 1972 | 1972-07-12 | 1972-07-12 |
| 1973 | 1973-06-11 | 1973-09-05 |
| 1974 | 1974-07-08 | 1974-08-22 |
| 1975 | 1975-05-23 | 1975-08-10 |
| 1976 | 1976-06-08 | 1976-08-21 |
| 1977 | 1977-07-04 | 1977-09-01 |
| 1978 | 1978-05-26 | 1978-08-15 |
| 1979 | 1979-07-12 | 1979-08-04 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 22 | 21 | 1913 | 10 |
| 35 C (95 F): Days | 5 | 1 | 1878 | 1 |
| 90 F (32.2 C): Days | 12 | 8 | 1917 | 2 |
| 0 C (32 F): Ice days (max | 22 | 99 | 1879 | 64 |
| 0 C (32 F): Frost days (min | 22 | 226 | 1887 | 157 |
| -10 C (14 F): Days with min | 22 | 117 | 1887 | 59 |
| -20 C (-4 F): Days with min | 22 | 38 | 1887 | 23 |
| -30 C (-22 F): Days with min | 16 | 8 | 1979 | 8 |
| 20 C (68 F): Tropical nights (min | 19 | 5 | 1917 | 4 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 21 | 42 | 1893 | 25 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 20 | 13 | 1878 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 4 | 3 | 1913 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 23 | 14 | 1893 | 3 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 10 | 2 | 1876 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1876.
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).