Iskusstvennyj Ostro Threshold Days by Year (RSM00034989)
3 fixed thresholds counted per year at Iskusstvennyj Ostro (RSM00034989): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Iskusstvennyj Ostro Thresholds
- Iskusstvennyj Ostro: days with 10 mm (0.39 in) or more of precipitation in 26 years, most in 1973 with 6.
- Iskusstvennyj Ostro: days with 25 mm (0.98 in) or more of precipitation in 9 years, most in 1989 with 3.
- Iskusstvennyj Ostro: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1974 with 1.
- 3 fixed thresholds have at least one qualifying day at Iskusstvennyj Ostro.
Days with 10 mm (0.39 in) or more of precipitation
26 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1960 | 2 | 3 |
| 1962 | 2 | 3 |
| 1964 | 4 | 3 |
| 1965 | 4 | 3 |
| 1967 | 3 | 3 |
| 1968 | 3 | 3 |
| 1969 | 3 | 3 |
| 1970 | 3 | 3.8 |
| 1971 | 2 | 3.8 |
| 1973 | 6 | 3.8 |
| 1974 | 5 | 3.8 |
| 1975 | 4 | 3.8 |
| 1977 | 3 | 3.8 |
| 1978 | 4 | 3.8 |
| 1979 | 3 | 3.8 |
| 1980 | 2 | 3.9 |
| 1981 | 3 | 3.9 |
| 1982 | 4 | 3.9 |
| 1983 | 3 | 3.9 |
| 1984 | 3 | 3.9 |
| 1985 | 5 | 3.9 |
| 1987 | 4 | 3.9 |
| 1988 | 5 | 3.9 |
| 1989 | 6 | 3.9 |
| 1990 | 4 | 2.5 |
| 1992 | 1 | 2.5 |
| Year | First date | Last date |
|---|---|---|
| 1960 | 1960-08-11 | 1960-08-13 |
| 1962 | 1962-03-29 | 1962-11-07 |
| 1964 | 1964-05-12 | 1964-11-22 |
| 1965 | 1965-01-12 | 1965-07-20 |
| 1967 | 1967-06-18 | 1967-11-25 |
| 1968 | 1968-09-30 | 1968-11-20 |
| 1969 | 1969-05-25 | 1969-10-03 |
| 1970 | 1970-09-08 | 1970-09-29 |
| 1971 | 1971-04-17 | 1971-05-11 |
| 1973 | 1973-03-04 | 1973-07-20 |
| 1974 | 1974-04-10 | 1974-09-17 |
| 1975 | 1975-03-25 | 1975-10-09 |
| 1977 | 1977-06-08 | 1977-06-29 |
| 1978 | 1978-02-18 | 1978-06-21 |
| 1979 | 1979-03-26 | 1979-10-03 |
| 1980 | 1980-10-01 | 1980-10-04 |
| 1981 | 1981-02-20 | 1981-08-28 |
| 1982 | 1982-04-09 | 1982-10-04 |
| 1983 | 1983-04-21 | 1983-09-05 |
| 1984 | 1984-04-24 | 1984-05-30 |
| 1985 | 1985-02-26 | 1985-10-20 |
| 1987 | 1987-01-31 | 1987-11-04 |
| 1988 | 1988-06-19 | 1988-09-02 |
| 1989 | 1989-04-28 | 1989-09-20 |
| 1990 | 1990-01-16 | 1990-11-01 |
| 1992 | 1992-07-03 | 1992-07-03 |
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 | 26 | 6 | 1973 | 1 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 9 | 3 | 1989 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 2 | 1 | 1974 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.
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).