Arka Threshold Days by Year (RSM00024988)
13 fixed thresholds counted per year at Arka (RSM00024988): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Arka Thresholds
- Arka: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1977 with 27.
- Arka: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1977 with 8.
- Arka: days with a maximum temperature at or below 0 C (32 F) in 42 years, most in 1970 with 178.
- Arka: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 2021 with 7.
- 13 fixed thresholds have at least one qualifying day at Arka.
Days at or above 30 C (86 F)
34 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1970 | 6 | 2.7 |
| 1973 | 1 | 2.7 |
| 1974 | 1 | 2.7 |
| 1975 | 3 | 2.7 |
| 1976 | 4 | 2.7 |
| 1977 | 1 | 2.7 |
| 1980 | 2 | 1.9 |
| 1981 | 1 | 1.9 |
| 1982 | 5 | 1.9 |
| 1983 | 1 | 1.9 |
| 1986 | 1 | 1.9 |
| 1987 | 1 | 1.9 |
| 1988 | 2 | 1.9 |
| 1989 | 2 | 1.9 |
| 1991 | 5 | 3 |
| 1992 | 1 | 3 |
| 2000 | 3 | 2 |
| 2001 | 2 | 2 |
| 2002 | 1 | 2 |
| 2004 | 2 | 2 |
| 2006 | 3 | 2 |
| 2007 | 1 | 2 |
| 2009 | 2 | 2 |
| 2011 | 5 | 2.2 |
| 2012 | 2 | 2.2 |
| 2013 | 1 | 2.2 |
| 2014 | 1 | 2.2 |
| 2017 | 3 | 2.2 |
| 2018 | 1 | 2.2 |
| 2020 | 5 | 5 |
| 2021 | 7 | 5 |
| 2022 | 7 | 5 |
| 2023 | 4 | 5 |
| 2025 | 2 | 5 |
| Year | First date | Last date |
|---|---|---|
| 1970 | 1970-06-29 | 1970-07-19 |
| 1973 | 1973-07-21 | 1973-07-21 |
| 1974 | 1974-07-15 | 1974-07-15 |
| 1975 | 1975-06-29 | 1975-08-06 |
| 1976 | 1976-06-17 | 1976-07-19 |
| 1977 | 1977-06-21 | 1977-06-21 |
| 1980 | 1980-07-10 | 1980-08-15 |
| 1981 | 1981-07-21 | 1981-07-21 |
| 1982 | 1982-06-26 | 1982-07-29 |
| 1983 | 1983-07-18 | 1983-07-18 |
| 1986 | 1986-06-24 | 1986-06-24 |
| 1987 | 1987-06-13 | 1987-06-13 |
| 1988 | 1988-07-27 | 1988-07-28 |
| 1989 | 1989-07-02 | 1989-07-31 |
| 1991 | 1991-06-17 | 1991-08-16 |
| 1992 | 1992-06-17 | 1992-06-17 |
| 2000 | 2000-06-09 | 2000-07-20 |
| 2001 | 2001-07-16 | 2001-07-27 |
| 2002 | 2002-06-22 | 2002-06-22 |
| 2004 | 2004-07-05 | 2004-07-06 |
| 2006 | 2006-07-16 | 2006-08-05 |
| 2007 | 2007-08-03 | 2007-08-03 |
| 2009 | 2009-06-06 | 2009-07-15 |
| 2011 | 2011-06-25 | 2011-07-27 |
| 2012 | 2012-06-12 | 2012-06-13 |
| 2013 | 2013-06-27 | 2013-06-27 |
| 2014 | 2014-06-12 | 2014-06-12 |
| 2017 | 2017-06-28 | 2017-08-13 |
| 2018 | 2018-07-09 | 2018-07-09 |
| 2020 | 2020-07-12 | 2020-07-29 |
| 2021 | 2021-06-19 | 2021-08-12 |
| 2022 | 2022-06-05 | 2022-07-15 |
| 2023 | 2023-06-23 | 2023-07-19 |
| 2025 | 2025-06-12 | 2025-07-18 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 34 | 7 | 2021 | 2 |
| 35 C (95 F): Days | 4 | 1 | 1970 | 1 |
| 90 F (32.2 C): Days | 13 | 4 | 2021 | 1 |
| 0 C (32 F): Ice days (max | 42 | 178 | 1970 | 88 |
| 0 C (32 F): Frost days (min | 15 | 263 | 1969 | 126 |
| -10 C (14 F): Days with min | 15 | 191 | 1976 | 76 |
| -20 C (-4 F): Days with min | 15 | 155 | 1970 | 64 |
| -30 C (-22 F): Days with min | 15 | 95 | 1970 | 35 |
| -40 C (-40 F): Days with min | 14 | 32 | 1969 | 7 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 55 | 27 | 1977 | 13 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 43 | 8 | 1977 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 8 | 2 | 2018 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 0 | n/a | 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).