Poltavka Threshold Days by Year (RSM00031917)
13 fixed thresholds counted per year at Poltavka (RSM00031917): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Poltavka Thresholds
- Poltavka: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1968 with 29.
- Poltavka: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1968 with 9.
- Poltavka: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1972 with 3.
- Poltavka: days with a maximum temperature at or above 30 C (86 F) in 10 years, most in 1978 with 43.
- 13 fixed thresholds have at least one qualifying day at Poltavka.
Days at or above 30 C (86 F)
10 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1970 | 33 | 30.5 |
| 1975 | 22 | 30.5 |
| 1976 | 30 | 30.5 |
| 1977 | 30 | 30.5 |
| 1978 | 43 | 30.5 |
| 1979 | 25 | 30.5 |
| 1980 | 21 | 19.5 |
| 1981 | 18 | 19.5 |
| 1990 | 11 | 8.5 |
| 1991 | 6 | 8.5 |
| Year | First date | Last date |
|---|---|---|
| 1970 | 1970-05-16 | 1970-09-07 |
| 1975 | 1975-06-11 | 1975-08-21 |
| 1976 | 1976-05-09 | 1976-08-26 |
| 1977 | 1977-05-10 | 1977-09-28 |
| 1978 | 1978-05-13 | 1978-10-01 |
| 1979 | 1979-05-21 | 1979-08-13 |
| 1980 | 1980-05-19 | 1980-08-10 |
| 1981 | 1981-05-01 | 1981-08-01 |
| 1990 | 1990-06-20 | 1990-08-17 |
| 1991 | 1991-06-07 | 1991-08-24 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 10 | 43 | 1978 | 6 |
| 35 C (95 F): Days | 7 | 5 | 1976 | 1 |
| 90 F (32.2 C): Days | 9 | 21 | 1970 | 1 |
| 100 F (37.8 C): Days | 1 | 1 | 1970 | 1 |
| 0 C (32 F): Ice days (max | 10 | 107 | 1970 | 90 |
| 0 C (32 F): Frost days (min | 6 | 193 | 1977 | 186 |
| -10 C (14 F): Days with min | 6 | 134 | 1970 | 124 |
| -20 C (-4 F): Days with min | 6 | 72 | 1977 | 61 |
| -30 C (-22 F): Days with min | 3 | 13 | 1977 | 1 |
| 20 C (68 F): Tropical nights (min | 5 | 6 | 1977 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 29 | 29 | 1968 | 17 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 28 | 9 | 1968 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 12 | 3 | 1972 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.
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).