San Julian Threshold Days by Year
4 fixed thresholds counted per year at San Julian (ARM00087909): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for San Julian Thresholds
- 4 fixed thresholds have at least one qualifying day at San Julian.
Nights at or below 0 C (32 F)
25 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1996 | 53 | 62.5 |
| 1997 | 83 | 62.5 |
| 1998 | 36 | 62.5 |
| 1999 | 78 | 62.5 |
| 2000 | 67 | 68.4 |
| 2001 | 69 | 68.4 |
| 2002 | 75 | 68.4 |
| 2003 | 52 | 68.4 |
| 2004 | 60 | 68.4 |
| 2005 | 81 | 68.4 |
| 2006 | 75 | 68.4 |
| 2010 | 54 | 67.3 |
| 2011 | 63 | 67.3 |
| 2012 | 78 | 67.3 |
| 2014 | 51 | 67.3 |
| 2015 | 76 | 67.3 |
| 2016 | 75 | 67.3 |
| 2017 | 59 | 67.3 |
| 2018 | 82 | 67.3 |
| 2019 | 68 | 67.3 |
| 2020 | 73 | 74.4 |
| 2021 | 59 | 74.4 |
| 2022 | 75 | 74.4 |
| 2023 | 82 | 74.4 |
| 2024 | 83 | 74.4 |
| Year | First date | Last date |
|---|---|---|
| 1996 | 1996-01-31 | 1996-10-10 |
| 1997 | 1997-04-04 | 1997-11-02 |
| 1998 | 1998-04-22 | 1998-10-13 |
| 1999 | 1999-04-23 | 1999-10-03 |
| 2000 | 2000-04-30 | 2000-10-14 |
| 2001 | 2001-03-11 | 2001-10-25 |
| 2002 | 2002-03-27 | 2002-09-10 |
| 2003 | 2003-05-12 | 2003-10-26 |
| 2004 | 2004-04-20 | 2004-10-18 |
| 2005 | 2005-04-19 | 2005-12-06 |
| 2006 | 2006-03-20 | 2006-09-20 |
| 2010 | 2010-04-21 | 2010-09-16 |
| 2011 | 2011-04-14 | 2011-09-22 |
| 2012 | 2012-02-24 | 2012-11-09 |
| 2014 | 2014-03-15 | 2014-10-31 |
| 2015 | 2015-04-05 | 2015-11-19 |
| 2016 | 2016-04-08 | 2016-10-18 |
| 2017 | 2017-04-06 | 2017-09-09 |
| 2018 | 2018-03-27 | 2018-10-17 |
| 2019 | 2019-05-03 | 2019-10-11 |
| 2020 | 2020-05-10 | 2020-10-03 |
| 2021 | 2021-05-04 | 2021-10-22 |
| 2022 | 2022-03-19 | 2022-10-21 |
| 2023 | 2023-03-29 | 2023-11-14 |
| 2024 | 2024-04-22 | 2024-12-06 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 0 C (32 F): Frost days (min | 25 | 0 | n/a | 83 |
| -10 C (14 F): Days with min | 4 | 0 | n/a | 1 |
| 20 C (68 F): Tropical nights (min | 1 | 0 | n/a | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 1 | 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 1996.
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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-15).