Copper Mine Trading Po Threshold Days by Year (USC00022099)
17 fixed thresholds counted per year at Copper Mine Trading Po (USC00022099): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Copper Mine Trading Po Thresholds
- Copper Mine Trading Po: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1959 with 10.
- Copper Mine Trading Po: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 1946 with 117.
- Copper Mine Trading Po: days with a maximum temperature at or above 90 F (32.2 C) in 31 years, most in 1946 with 85.
- Copper Mine Trading Po: days with a maximum temperature at or below 0 C (32 F) in 31 years, most in 1949 with 28.
- 17 fixed thresholds have at least one qualifying day at Copper Mine Trading Po.
Days at or above 30 C (86 F)
31 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1940 | 72 | 79.1 |
| 1941 | 42 | 79.1 |
| 1942 | 76 | 79.1 |
| 1943 | 84 | 79.1 |
| 1944 | 75 | 79.1 |
| 1945 | 81 | 79.1 |
| 1946 | 117 | 79.1 |
| 1947 | 84 | 79.1 |
| 1948 | 81 | 79.1 |
| 1949 | 79 | 79.1 |
| 1951 | 87 | 82.8 |
| 1952 | 77 | 82.8 |
| 1953 | 83 | 82.8 |
| 1954 | 79 | 82.8 |
| 1955 | 75 | 82.8 |
| 1956 | 95 | 82.8 |
| 1958 | 92 | 82.8 |
| 1959 | 74 | 82.8 |
| 1960 | 82 | 67.3 |
| 1961 | 67 | 67.3 |
| 1962 | 79 | 67.3 |
| 1963 | 58 | 67.3 |
| 1966 | 81 | 67.3 |
| 1967 | 65 | 67.3 |
| 1968 | 34 | 67.3 |
| 1969 | 72 | 67.3 |
| 1970 | 71 | 74.4 |
| 1971 | 72 | 74.4 |
| 1974 | 92 | 74.4 |
| 1975 | 75 | 74.4 |
| 1976 | 62 | 74.4 |
| Year | First date | Last date |
|---|---|---|
| 1940 | 1940-06-11 | 1940-09-21 |
| 1941 | 1941-06-16 | 1941-09-06 |
| 1942 | 1942-05-21 | 1942-10-01 |
| 1943 | 1943-05-24 | 1943-09-22 |
| 1944 | 1944-06-20 | 1944-09-23 |
| 1945 | 1945-06-12 | 1945-09-15 |
| 1946 | 1946-04-16 | 1946-09-28 |
| 1947 | 1947-05-02 | 1947-10-04 |
| 1948 | 1948-05-15 | 1948-09-14 |
| 1949 | 1949-05-24 | 1949-09-24 |
| 1951 | 1951-05-25 | 1951-09-20 |
| 1952 | 1952-06-06 | 1952-09-19 |
| 1953 | 1953-06-10 | 1953-09-24 |
| 1954 | 1954-05-06 | 1954-09-20 |
| 1955 | 1955-06-06 | 1955-09-14 |
| 1956 | 1956-05-17 | 1956-09-26 |
| 1958 | 1958-05-18 | 1958-09-22 |
| 1959 | 1959-05-12 | 1959-09-10 |
| 1960 | 1960-05-10 | 1960-09-28 |
| 1961 | 1961-06-06 | 1961-08-31 |
| 1962 | 1962-06-11 | 1962-09-20 |
| 1963 | 1963-05-18 | 1963-09-11 |
| 1966 | 1966-05-05 | 1966-09-23 |
| 1967 | 1967-05-22 | 1967-09-04 |
| 1968 | 1968-05-28 | 1968-09-11 |
| 1969 | 1969-05-25 | 1969-09-09 |
| 1970 | 1970-05-18 | 1970-09-20 |
| 1971 | 1971-06-13 | 1971-09-14 |
| 1974 | 1974-05-09 | 1974-09-11 |
| 1975 | 1975-06-02 | 1975-09-28 |
| 1976 | 1976-05-14 | 1976-09-05 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 31 | 117 | 1946 | 62 |
| 35 C (95 F): Days | 30 | 33 | 1946 | 20 |
| 40 C (104 F): Days | 4 | 1 | 1951 | 1 |
| 90 F (32.2 C): Days | 31 | 85 | 1946 | 43 |
| 100 F (37.8 C): Days | 17 | 13 | 1976 | 13 |
| 0 C (32 F): Ice days (max | 31 | 28 | 1949 | 9 |
| 0 C (32 F): Frost days (min | 27 | 162 | 1953 | 160 |
| -10 C (14 F): Days with min | 27 | 32 | 1961 | 13 |
| -20 C (-4 F): Days with min | 6 | 2 | 1948 | 1 |
| 20 C (68 F): Tropical nights (min | 24 | 12 | 1962 | 1 |
| 25 C (77 F): Days with min | 3 | 3 | 1962 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 32 | 10 | 1959 | 7 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 15 | 4 | 1955 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 1 | 1 | 1963 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1963 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 10 | 3 | 1952 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1940 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1940.
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).