Santa Margarita Boost Threshold Days by Year (USC00047933)
13 fixed thresholds counted per year at Santa Margarita Boost (USC00047933): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Santa Margarita Boost Thresholds
- Santa Margarita Boost: days with 10 mm (0.39 in) or more of precipitation in 77 years, most in 1983 with 49.
- Santa Margarita Boost: days with 25 mm (0.98 in) or more of precipitation in 76 years, most in 2023 with 20.
- Santa Margarita Boost: days with 50 mm (1.97 in) or more of precipitation in 72 years, most in 2023 with 10.
- Santa Margarita Boost: days with 100 mm (3.94 in) or more of precipitation in 27 years, most in 1995 with 4.
- 13 fixed thresholds have at least one qualifying day at Santa Margarita Boost.
Days at or above 30 C (86 F)
4 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 2011 | 72 | 105.3 |
| 2012 | 120 | 105.3 |
| 2013 | 111 | 105.3 |
| 2014 | 118 | 105.3 |
| Year | First date | Last date |
|---|---|---|
| 2011 | 2011-04-01 | 2011-11-01 |
| 2012 | 2012-03-05 | 2012-11-07 |
| 2013 | 2013-03-14 | 2013-11-02 |
| 2014 | 2014-01-17 | 2014-11-07 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 4 | 120 | 2012 | 118 |
| 35 C (95 F): Days | 4 | 54 | 2014 | 54 |
| 40 C (104 F): Days | 4 | 15 | 2012 | 11 |
| 90 F (32.2 C): Days | 4 | 83 | 2012 | 83 |
| 100 F (37.8 C): Days | 4 | 26 | 2014 | 26 |
| 110 F (43.3 C): Days | 2 | 3 | 2012 | 2 |
| 0 C (32 F): Frost days (min | 4 | 53 | 2013 | 21 |
| 20 C (68 F): Tropical nights (min | 1 | 1 | 2011 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 77 | 49 | 1983 | 13 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 76 | 20 | 2023 | 9 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 72 | 10 | 2023 | 7 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 27 | 4 | 1995 | 3 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 2 | 1 | 2009 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2011.
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 (2026-10-12).