Powder Rvr (School) Threshold Days by Year (USC00487375)
15 fixed thresholds counted per year at Powder Rvr (School) (USC00487375): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Powder Rvr (School) Thresholds
- Powder Rvr (School): days with 10 mm (0.39 in) or more of precipitation in 14 years, most in 2016 with 10.
- Powder Rvr (School): days with 10 cm (3.9 in) or more of snowfall in 14 years, most in 2010 with 7.
- Powder Rvr (School): days with a maximum temperature at or above 30 C (86 F) in 13 years, most in 2012 with 70.
- Powder Rvr (School): days with a maximum temperature at or above 35 C (95 F) in 13 years, most in 2012 with 18.
- 15 fixed thresholds have at least one qualifying day at Powder Rvr (School).
Days at or above 30 C (86 F)
13 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 2010 | 44 | 53.2 |
| 2011 | 53 | 53.2 |
| 2012 | 70 | 53.2 |
| 2013 | 63 | 53.2 |
| 2014 | 37 | 53.2 |
| 2015 | 51 | 53.2 |
| 2016 | 58 | 53.2 |
| 2017 | 50 | 53.2 |
| 2018 | 54 | 53.2 |
| 2019 | 52 | 53.2 |
| 2020 | 67 | 64.7 |
| 2021 | 68 | 64.7 |
| 2022 | 59 | 64.7 |
| Year | First date | Last date |
|---|---|---|
| 2010 | 2010-06-25 | 2010-09-29 |
| 2011 | 2011-06-29 | 2011-10-02 |
| 2012 | 2012-06-05 | 2012-09-11 |
| 2013 | 2013-06-10 | 2013-09-08 |
| 2014 | 2014-05-29 | 2014-09-27 |
| 2015 | 2015-06-10 | 2015-09-27 |
| 2016 | 2016-06-08 | 2016-09-21 |
| 2017 | 2017-06-09 | 2017-09-13 |
| 2018 | 2018-05-27 | 2018-09-19 |
| 2019 | 2019-06-27 | 2019-09-16 |
| 2020 | 2020-05-30 | 2020-09-25 |
| 2021 | 2021-06-04 | 2021-09-16 |
| 2022 | 2022-06-12 | 2022-09-14 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 13 | 70 | 2012 | 59 |
| 35 C (95 F): Days | 13 | 18 | 2012 | 9 |
| 90 F (32.2 C): Days | 13 | 51 | 2012 | 32 |
| 100 F (37.8 C): Days | 3 | 2 | 2021 | 2 |
| 0 C (32 F): Ice days (max | 13 | 74 | 2019 | 52 |
| 0 C (32 F): Frost days (min | 13 | 222 | 2019 | 212 |
| -10 C (14 F): Days with min | 13 | 102 | 2020 | 93 |
| -20 C (-4 F): Days with min | 13 | 25 | 2019 | 23 |
| -30 C (-22 F): Days with min | 6 | 6 | 2014 | 3 |
| -40 C (-40 F): Days with min | 1 | 1 | 2022 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 14 | 10 | 2016 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 8 | 2 | 2013 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 1 | 0 | n/a | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 14 | 7 | 2010 | 5 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 7 | 1 | 2010 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2010.
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).