Zima Threshold Days by Year (RSM00030603)
11 fixed thresholds counted per year at Zima (RSM00030603): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Zima Thresholds
- Zima: days with 10 mm (0.39 in) or more of precipitation in 85 years, most in 1944 with 18.
- Zima: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 2019 with 6.
- Zima: days with a maximum temperature at or below 0 C (32 F) in 26 years, most in 1969 with 134.
- Zima: days with a maximum temperature at or above 30 C (86 F) in 23 years, most in 2015 with 19.
- 11 fixed thresholds have at least one qualifying day at Zima.
Days at or above 30 C (86 F)
23 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1969 | 17 | 17 |
| 1970 | 7 | 5.5 |
| 1978 | 4 | 5.5 |
| 1980 | 7 | 5 |
| 1981 | 3 | 5 |
| 2002 | 13 | 9 |
| 2003 | 6 | 9 |
| 2004 | 9 | 9 |
| 2005 | 8 | 9 |
| 2010 | 10 | 9.6 |
| 2011 | 9 | 9.6 |
| 2012 | 3 | 9.6 |
| 2013 | 2 | 9.6 |
| 2014 | 10 | 9.6 |
| 2015 | 19 | 9.6 |
| 2017 | 15 | 9.6 |
| 2018 | 9 | 9.6 |
| 2020 | 10 | 8.3 |
| 2021 | 8 | 8.3 |
| 2022 | 4 | 8.3 |
| 2023 | 4 | 8.3 |
| 2024 | 14 | 8.3 |
| 2025 | 10 | 8.3 |
| Year | First date | Last date |
|---|---|---|
| 1969 | 1969-06-15 | 1969-09-10 |
| 1970 | 1970-06-11 | 1970-07-26 |
| 1978 | 1978-06-15 | 1978-07-30 |
| 1980 | 1980-06-18 | 1980-07-12 |
| 1981 | 1981-05-19 | 1981-06-04 |
| 2002 | 2002-05-23 | 2002-08-22 |
| 2003 | 2003-05-31 | 2003-07-23 |
| 2004 | 2004-05-21 | 2004-08-16 |
| 2005 | 2005-06-12 | 2005-08-06 |
| 2010 | 2010-05-29 | 2010-07-19 |
| 2011 | 2011-06-13 | 2011-08-20 |
| 2012 | 2012-06-14 | 2012-06-28 |
| 2013 | 2013-06-20 | 2013-06-21 |
| 2014 | 2014-06-26 | 2014-08-15 |
| 2015 | 2015-06-17 | 2015-08-22 |
| 2017 | 2017-05-24 | 2017-08-12 |
| 2018 | 2018-05-29 | 2018-07-24 |
| 2020 | 2020-06-14 | 2020-07-14 |
| 2021 | 2021-06-04 | 2021-07-27 |
| 2022 | 2022-05-20 | 2022-07-01 |
| 2023 | 2023-06-09 | 2023-08-29 |
| 2024 | 2024-05-06 | 2024-08-11 |
| 2025 | 2025-05-24 | 2025-08-03 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 23 | 19 | 2015 | 10 |
| 35 C (95 F): Days | 5 | 1 | 2002 | 3 |
| 90 F (32.2 C): Days | 18 | 9 | 2015 | 5 |
| 0 C (32 F): Ice days (max | 26 | 134 | 1969 | 64 |
| 0 C (32 F): Frost days (min | 1 | 0 | n/a | 76 |
| -10 C (14 F): Days with min | 1 | 0 | n/a | 49 |
| -20 C (-4 F): Days with min | 1 | 0 | n/a | 26 |
| -30 C (-22 F): Days with min | 1 | 0 | n/a | 6 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 85 | 18 | 1944 | 1 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 53 | 6 | 2019 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 5 | 2 | 2019 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.
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).