Loretto Threshold Days by Year (USC00405442)
16 fixed thresholds counted per year at Loretto (USC00405442): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Loretto Thresholds
- Loretto: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1950 with 63.
- Loretto: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1900 with 28.
- Loretto: days with 50 mm (1.97 in) or more of precipitation in 40 years, most in 1950 with 8.
- Loretto: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 1897 with 136.
- 16 fixed thresholds have at least one qualifying day at Loretto.
Days at or above 30 C (86 F)
22 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1896 | 124 | 130 |
| 1897 | 136 | 130 |
| 1900 | 95 | 89.1 |
| 1901 | 92 | 89.1 |
| 1902 | 99 | 89.1 |
| 1903 | 82 | 89.1 |
| 1904 | 90 | 89.1 |
| 1905 | 83 | 89.1 |
| 1906 | 97 | 89.1 |
| 1907 | 91 | 89.1 |
| 1908 | 76 | 89.1 |
| 1909 | 86 | 89.1 |
| 1910 | 96 | 98 |
| 1911 | 118 | 98 |
| 1912 | 85 | 98 |
| 1913 | 96 | 98 |
| 1914 | 110 | 98 |
| 1915 | 111 | 98 |
| 1918 | 79 | 98 |
| 1919 | 89 | 98 |
| 1920 | 87 | 103 |
| 1921 | 119 | 103 |
| Year | First date | Last date |
|---|---|---|
| 1896 | 1896-04-17 | 1896-10-07 |
| 1897 | 1897-04-27 | 1897-10-18 |
| 1900 | 1900-05-13 | 1900-10-28 |
| 1901 | 1901-04-29 | 1901-09-16 |
| 1902 | 1902-04-21 | 1902-09-22 |
| 1903 | 1903-05-20 | 1903-10-04 |
| 1904 | 1904-05-23 | 1904-10-10 |
| 1905 | 1905-04-28 | 1905-09-28 |
| 1906 | 1906-04-10 | 1906-09-30 |
| 1907 | 1907-03-20 | 1907-10-03 |
| 1908 | 1908-03-18 | 1908-10-21 |
| 1909 | 1909-05-29 | 1909-10-09 |
| 1910 | 1910-03-23 | 1910-10-12 |
| 1911 | 1911-04-06 | 1911-10-07 |
| 1912 | 1912-05-09 | 1912-10-11 |
| 1913 | 1913-05-01 | 1913-10-09 |
| 1914 | 1914-04-17 | 1914-09-22 |
| 1915 | 1915-04-19 | 1915-10-17 |
| 1918 | 1918-05-21 | 1918-10-06 |
| 1919 | 1919-06-07 | 1919-10-17 |
| 1920 | 1920-05-22 | 1920-10-21 |
| 1921 | 1921-05-20 | 1921-09-28 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 22 | 136 | 1897 | 119 |
| 35 C (95 F): Days | 22 | 53 | 1897 | 27 |
| 40 C (104 F): Days | 3 | 5 | 1914 | 5 |
| 90 F (32.2 C): Days | 22 | 100 | 1897 | 84 |
| 100 F (37.8 C): Days | 11 | 26 | 1914 | 2 |
| 0 C (32 F): Ice days (max | 20 | 13 | 1905 | 4 |
| 0 C (32 F): Frost days (min | 22 | 105 | 1912 | 51 |
| -10 C (14 F): Days with min | 21 | 17 | 1905 | 7 |
| -20 C (-4 F): Days with min | 6 | 2 | 1905 | 2 |
| 20 C (68 F): Tropical nights (min | 22 | 65 | 1911 | 55 |
| 25 C (77 F): Days with min | 2 | 1 | 1897 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 40 | 63 | 1950 | 50 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 40 | 28 | 1900 | 18 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 40 | 8 | 1950 | 5 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 11 | 2 | 1955 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 1 | 1 | 1950 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.
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).