Upper Lake 2 N Threshold Days by Year (USC00049173)
14 fixed thresholds counted per year at Upper Lake 2 N (USC00049173): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Upper Lake 2 N Thresholds
- Upper Lake 2 N: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1941 with 47.
- Upper Lake 2 N: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1940 with 22.
- Upper Lake 2 N: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1903 with 109.
- Upper Lake 2 N: days with a maximum temperature at or above 35 C (95 F) in 37 years, most in 1933 with 55.
- 14 fixed thresholds have at least one qualifying day at Upper Lake 2 N.
Days at or above 30 C (86 F)
37 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1893 | 69 | 90 |
| 1894 | 91 | 90 |
| 1895 | 83 | 90 |
| 1896 | 92 | 90 |
| 1897 | 98 | 90 |
| 1898 | 97 | 90 |
| 1899 | 100 | 90 |
| 1900 | 84 | 96.7 |
| 1901 | 98 | 96.7 |
| 1902 | 92 | 96.7 |
| 1903 | 109 | 96.7 |
| 1904 | 108 | 96.7 |
| 1905 | 98 | 96.7 |
| 1906 | 107 | 96.7 |
| 1907 | 80 | 96.7 |
| 1908 | 97 | 96.7 |
| 1909 | 94 | 96.7 |
| 1910 | 93 | 94.2 |
| 1911 | 100 | 94.2 |
| 1912 | 88 | 94.2 |
| 1913 | 103 | 94.2 |
| 1914 | 87 | 94.2 |
| 1933 | 99 | 98.6 |
| 1934 | 105 | 98.6 |
| 1935 | 100 | 98.6 |
| 1936 | 102 | 98.6 |
| 1937 | 92 | 98.6 |
| 1938 | 93 | 98.6 |
| 1939 | 99 | 98.6 |
| 1940 | 87 | 86.8 |
| 1941 | 62 | 86.8 |
| 1942 | 85 | 86.8 |
| 1944 | 93 | 86.8 |
| 1945 | 100 | 86.8 |
| 1947 | 94 | 86.8 |
| 2003 | 105 | 100.5 |
| 2004 | 96 | 100.5 |
| Year | First date | Last date |
|---|---|---|
| 1893 | 1893-05-12 | 1893-10-27 |
| 1894 | 1894-04-09 | 1894-10-16 |
| 1895 | 1895-04-23 | 1895-11-17 |
| 1896 | 1896-05-25 | 1896-10-09 |
| 1897 | 1897-04-13 | 1897-10-11 |
| 1898 | 1898-04-12 | 1898-11-05 |
| 1899 | 1899-04-07 | 1899-10-08 |
| 1900 | 1900-04-16 | 1900-10-16 |
| 1901 | 1901-05-10 | 1901-10-22 |
| 1902 | 1902-05-24 | 1902-10-10 |
| 1903 | 1903-05-02 | 1903-10-23 |
| 1904 | 1904-04-09 | 1904-10-04 |
| 1905 | 1905-05-15 | 1905-10-11 |
| 1906 | 1906-04-19 | 1906-10-28 |
| 1907 | 1907-03-30 | 1907-10-15 |
| 1908 | 1908-03-21 | 1908-10-07 |
| 1909 | 1909-05-01 | 1909-10-14 |
| 1910 | 1910-04-22 | 1910-10-08 |
| 1911 | 1911-03-30 | 1911-10-21 |
| 1912 | 1912-05-11 | 1912-10-16 |
| 1913 | 1913-05-22 | 1913-10-28 |
| 1914 | 1914-03-16 | 1914-10-14 |
| 1933 | 1933-04-28 | 1933-10-17 |
| 1934 | 1934-05-10 | 1934-10-11 |
| 1935 | 1935-05-05 | 1935-10-09 |
| 1936 | 1936-05-08 | 1936-10-14 |
| 1937 | 1937-05-12 | 1937-09-27 |
| 1938 | 1938-05-11 | 1938-09-22 |
| 1939 | 1939-04-20 | 1939-10-23 |
| 1940 | 1940-05-09 | 1940-10-14 |
| 1941 | 1941-05-10 | 1941-10-03 |
| 1942 | 1942-05-20 | 1942-10-23 |
| 1944 | 1944-05-04 | 1944-10-09 |
| 1945 | 1945-04-19 | 1945-10-19 |
| 1947 | 1947-04-15 | 1947-10-05 |
| 2003 | 2003-05-21 | 2003-10-28 |
| 2004 | 2004-04-26 | 2004-10-16 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 37 | 109 | 1903 | 96 |
| 35 C (95 F): Days | 37 | 55 | 1933 | 25 |
| 40 C (104 F): Days | 25 | 13 | 1898 | 1 |
| 90 F (32.2 C): Days | 37 | 87 | 1906 | 53 |
| 100 F (37.8 C): Days | 36 | 24 | 1904 | 2 |
| 110 F (43.3 C): Days | 1 | 1 | 1902 | 1 |
| 0 C (32 F): Frost days (min | 36 | 106 | 1947 | 57 |
| -10 C (14 F): Days with min | 3 | 1 | 1911 | 1 |
| 20 C (68 F): Tropical nights (min | 7 | 3 | 1898 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 42 | 47 | 1941 | 26 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 42 | 22 | 1940 | 13 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 33 | 6 | 1940 | 4 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 4 | 1 | 1937 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 3 | 0 | n/a | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.
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).