Dona Threshold Days by Year (CA006042063)
5 fixed thresholds counted per year at Dona (CA006042063): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Dona Thresholds
- Dona: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1943 with 30.
- Dona: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1938 with 10.
- Dona: days with 10 cm (3.9 in) or more of snowfall in 30 years, most in 1937 with 10.
- Dona: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1950 with 3.
- 5 fixed thresholds have at least one qualifying day at Dona.
Days with 10 mm (0.39 in) or more of precipitation
31 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1928 | 20 | 19 |
| 1929 | 18 | 19 |
| 1930 | 18 | 19.8 |
| 1931 | 13 | 19.8 |
| 1932 | 21 | 19.8 |
| 1933 | 21 | 19.8 |
| 1934 | 21 | 19.8 |
| 1935 | 24 | 19.8 |
| 1936 | 15 | 19.8 |
| 1937 | 26 | 19.8 |
| 1938 | 22 | 19.8 |
| 1939 | 17 | 19.8 |
| 1940 | 19 | 22.2 |
| 1941 | 26 | 22.2 |
| 1942 | 15 | 22.2 |
| 1943 | 30 | 22.2 |
| 1944 | 30 | 22.2 |
| 1945 | 17 | 22.2 |
| 1946 | 24 | 22.2 |
| 1947 | 24 | 22.2 |
| 1948 | 17 | 22.2 |
| 1949 | 20 | 22.2 |
| 1950 | 30 | 21.4 |
| 1951 | 24 | 21.4 |
| 1952 | 17 | 21.4 |
| 1953 | 24 | 21.4 |
| 1954 | 20 | 21.4 |
| 1955 | 24 | 21.4 |
| 1956 | 20 | 21.4 |
| 1957 | 18 | 21.4 |
| 1958 | 16 | 21.4 |
| Year | First date | Last date |
|---|---|---|
| 1928 | 1928-04-12 | 1928-10-14 |
| 1929 | 1929-01-22 | 1929-12-30 |
| 1930 | 1930-04-30 | 1930-11-20 |
| 1931 | 1931-05-24 | 1931-11-24 |
| 1932 | 1932-01-17 | 1932-12-03 |
| 1933 | 1933-01-10 | 1933-12-14 |
| 1934 | 1934-03-05 | 1934-11-30 |
| 1935 | 1935-01-02 | 1935-12-22 |
| 1936 | 1936-02-13 | 1936-12-30 |
| 1937 | 1937-01-02 | 1937-12-31 |
| 1938 | 1938-02-13 | 1938-12-25 |
| 1939 | 1939-01-09 | 1939-10-09 |
| 1940 | 1940-02-16 | 1940-11-26 |
| 1941 | 1941-01-01 | 1941-10-06 |
| 1942 | 1942-04-29 | 1942-10-30 |
| 1943 | 1943-01-13 | 1943-11-08 |
| 1944 | 1944-03-02 | 1944-11-29 |
| 1945 | 1945-02-15 | 1945-12-01 |
| 1946 | 1946-01-05 | 1946-12-16 |
| 1947 | 1947-01-13 | 1947-12-30 |
| 1948 | 1948-03-18 | 1948-12-15 |
| 1949 | 1949-01-23 | 1949-11-26 |
| 1950 | 1950-01-03 | 1950-11-23 |
| 1951 | 1951-02-05 | 1951-12-31 |
| 1952 | 1952-02-29 | 1952-11-25 |
| 1953 | 1953-01-13 | 1953-12-05 |
| 1954 | 1954-01-06 | 1954-11-26 |
| 1955 | 1955-01-11 | 1955-12-21 |
| 1956 | 1956-01-19 | 1956-12-16 |
| 1957 | 1957-01-21 | 1957-11-18 |
| 1958 | 1958-04-21 | 1958-12-02 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 10 mm (0.39 in): Days with 10 mm or more rain | 31 | 30 | 1943 | 16 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 31 | 10 | 1938 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 7 | 3 | 1950 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 30 | 10 | 1937 | 3 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 7 | 3 | 1956 | 3 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1928.
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).