Seyaha Threshold Days by Year (RSM00020967)
9 fixed thresholds counted per year at Seyaha (RSM00020967): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Seyaha Thresholds
- 9 fixed thresholds have at least one qualifying day at Seyaha.
Days with 10 mm (0.39 in) or more of precipitation
9 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1973 | 1 | 2.3 |
| 1974 | 4 | 2.3 |
| 1975 | 1 | 2.3 |
| 1978 | 3 | 2.3 |
| 1981 | 5 | 6 |
| 1989 | 7 | 6 |
| 1990 | 9 | 6.5 |
| 1991 | 4 | 6.5 |
| 2022 | 3 | 3 |
| Year | First date | Last date |
|---|---|---|
| 1973 | 1973-12-13 | 1973-12-13 |
| 1974 | 1974-03-11 | 1974-04-08 |
| 1975 | 1975-10-10 | 1975-10-10 |
| 1978 | 1978-03-04 | 1978-12-08 |
| 1981 | 1981-03-26 | 1981-09-23 |
| 1989 | 1989-01-30 | 1989-12-22 |
| 1990 | 1990-02-10 | 1990-12-16 |
| 1991 | 1991-02-08 | 1991-09-10 |
| 2022 | 2022-06-19 | 2022-09-21 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 0 C (32 F): Ice days (max | 1 | 0 | n/a | 90 |
| 0 C (32 F): Frost days (min | 1 | 0 | n/a | 91 |
| -10 C (14 F): Days with min | 1 | 0 | n/a | 61 |
| -20 C (-4 F): Days with min | 1 | 0 | n/a | 43 |
| -30 C (-22 F): Days with min | 1 | 0 | n/a | 15 |
| -40 C (-40 F): Days with min | 1 | 0 | n/a | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 9 | 0 | n/a | 3 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 4 | 0 | n/a | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 2 | 0 | n/a | 3 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2025.
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).