San German 4 W Threshold Days by Year (RQC00668757)
10 fixed thresholds counted per year at San German 4 W (RQC00668757): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for San German 4 W Thresholds
- San German 4 W: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1912 with 81.
- San German 4 W: days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 1912 with 38.
- San German 4 W: days with 50 mm (1.97 in) or more of precipitation in 46 years, most in 1912 with 14.
- San German 4 W: nights with a minimum temperature at or above 20 C (68 F) in 41 years, most in 1942 with 230.
- 10 fixed thresholds have at least one qualifying day at San German 4 W.
Days at or above 30 C (86 F)
40 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1905 | 342 | 313.5 |
| 1906 | 330 | 313.5 |
| 1908 | 292 | 313.5 |
| 1909 | 290 | 313.5 |
| 1910 | 349 | 332.2 |
| 1911 | 313 | 332.2 |
| 1912 | 301 | 332.2 |
| 1914 | 333 | 332.2 |
| 1915 | 365 | 332.2 |
| 1920 | 314 | 303.8 |
| 1921 | 291 | 303.8 |
| 1922 | 345 | 303.8 |
| 1923 | 345 | 303.8 |
| 1925 | 203 | 303.8 |
| 1927 | 325 | 303.8 |
| 1931 | 345 | 327.5 |
| 1932 | 349 | 327.5 |
| 1933 | 358 | 327.5 |
| 1934 | 337 | 327.5 |
| 1935 | 300 | 327.5 |
| 1936 | 276 | 327.5 |
| 1940 | 323 | 311.8 |
| 1941 | 329 | 311.8 |
| 1942 | 340 | 311.8 |
| 1943 | 316 | 311.8 |
| 1944 | 322 | 311.8 |
| 1945 | 284 | 311.8 |
| 1946 | 302 | 311.8 |
| 1947 | 312 | 311.8 |
| 1949 | 278 | 311.8 |
| 1950 | 293 | 324 |
| 1952 | 312 | 324 |
| 1954 | 312 | 324 |
| 1955 | 334 | 324 |
| 1956 | 330 | 324 |
| 1957 | 363 | 324 |
| 1960 | 359 | 338 |
| 1966 | 322 | 338 |
| 1967 | 333 | 338 |
| 1972 | 341 | 341 |
| Year | First date | Last date |
|---|---|---|
| 1905 | 1905-01-01 | 1905-12-31 |
| 1906 | 1906-01-01 | 1906-12-19 |
| 1908 | 1908-01-01 | 1908-12-31 |
| 1909 | 1909-01-01 | 1909-12-31 |
| 1910 | 1910-01-01 | 1910-12-31 |
| 1911 | 1911-01-08 | 1911-12-31 |
| 1912 | 1912-01-02 | 1912-12-30 |
| 1914 | 1914-01-01 | 1914-12-31 |
| 1915 | 1915-01-01 | 1915-12-31 |
| 1920 | 1920-01-01 | 1920-12-31 |
| 1921 | 1921-01-01 | 1921-12-24 |
| 1922 | 1922-01-12 | 1922-12-31 |
| 1923 | 1923-01-01 | 1923-12-31 |
| 1925 | 1925-01-15 | 1925-12-19 |
| 1927 | 1927-01-01 | 1927-12-27 |
| 1931 | 1931-01-01 | 1931-12-31 |
| 1932 | 1932-01-01 | 1932-12-30 |
| 1933 | 1933-01-02 | 1933-12-31 |
| 1934 | 1934-01-01 | 1934-12-31 |
| 1935 | 1935-01-01 | 1935-12-31 |
| 1936 | 1936-01-01 | 1936-12-23 |
| 1940 | 1940-01-01 | 1940-12-31 |
| 1941 | 1941-01-01 | 1941-12-31 |
| 1942 | 1942-01-01 | 1942-12-31 |
| 1943 | 1943-01-01 | 1943-12-28 |
| 1944 | 1944-01-01 | 1944-12-31 |
| 1945 | 1945-01-02 | 1945-12-31 |
| 1946 | 1946-01-02 | 1946-12-31 |
| 1947 | 1947-01-01 | 1947-12-31 |
| 1949 | 1949-01-01 | 1949-12-30 |
| 1950 | 1950-01-07 | 1950-12-30 |
| 1952 | 1952-01-01 | 1952-12-31 |
| 1954 | 1954-01-04 | 1954-12-31 |
| 1955 | 1955-01-05 | 1955-12-31 |
| 1956 | 1956-01-01 | 1956-12-31 |
| 1957 | 1957-01-01 | 1957-12-31 |
| 1960 | 1960-01-01 | 1960-12-31 |
| 1966 | 1966-01-01 | 1966-12-31 |
| 1967 | 1967-01-01 | 1967-12-31 |
| 1972 | 1972-01-06 | 1972-12-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 40 | 365 | 1915 | 341 |
| 35 C (95 F): Days | 33 | 50 | 1957 | 7 |
| 90 F (32.2 C): Days | 40 | 285 | 1932 | 182 |
| 20 C (68 F): Tropical nights (min | 41 | 230 | 1942 | 80 |
| 25 C (77 F): Days with min | 20 | 8 | 1927 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 46 | 81 | 1912 | 38 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 46 | 38 | 1912 | 17 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 46 | 14 | 1912 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 22 | 4 | 1932 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 3 | 1 | 1911 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.
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).