Four Springs Arizona Threshold Days by Year
9 fixed thresholds counted per year at Four Springs Arizona (USR0000AFOU): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Four Springs Arizona Thresholds
- Four Springs Arizona: days with a maximum temperature at or above 30 C (86 F) in 32 years, most in 2024 with 81.
- Four Springs Arizona: days with a maximum temperature at or above 90 F (32.2 C) in 32 years, most in 2002 with 51.
- Four Springs Arizona: nights with a minimum temperature at or below 0 C (32 F) in 32 years, most in 2010 with 141.
- Four Springs Arizona: nights with a minimum temperature at or below -10 C (14 F) in 32 years, most in 2013 with 21.
- 9 fixed thresholds have at least one qualifying day at Four Springs Arizona.
Days at or above 30 C (86 F)
32 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1995 | 45 | 44.6 |
| 1996 | 64 | 44.6 |
| 1997 | 41 | 44.6 |
| 1998 | 39 | 44.6 |
| 1999 | 34 | 44.6 |
| 2000 | 66 | 61.2 |
| 2001 | 59 | 61.2 |
| 2002 | 76 | 61.2 |
| 2003 | 69 | 61.2 |
| 2004 | 49 | 61.2 |
| 2005 | 44 | 61.2 |
| 2006 | 58 | 61.2 |
| 2007 | 69 | 61.2 |
| 2008 | 64 | 61.2 |
| 2009 | 58 | 61.2 |
| 2010 | 63 | 59.1 |
| 2011 | 64 | 59.1 |
| 2012 | 69 | 59.1 |
| 2013 | 59 | 59.1 |
| 2014 | 46 | 59.1 |
| 2015 | 49 | 59.1 |
| 2016 | 53 | 59.1 |
| 2017 | 64 | 59.1 |
| 2018 | 64 | 59.1 |
| 2019 | 60 | 59.1 |
| 2020 | 77 | 66 |
| 2021 | 68 | 66 |
| 2022 | 59 | 66 |
| 2023 | 46 | 66 |
| 2024 | 81 | 66 |
| 2025 | 64 | 66 |
| 2026 | 67 | 66 |
| Year | First date | Last date |
|---|---|---|
| 1995 | 1995-06-12 | 1995-09-04 |
| 1996 | 1996-05-11 | 1996-09-03 |
| 1997 | 1997-05-30 | 1997-08-25 |
| 1998 | 1998-06-26 | 1998-08-30 |
| 1999 | 1999-06-13 | 1999-09-08 |
| 2000 | 2000-05-22 | 2000-09-17 |
| 2001 | 2001-05-24 | 2001-09-24 |
| 2002 | 2002-05-29 | 2002-09-04 |
| 2003 | 2003-05-22 | 2003-09-28 |
| 2004 | 2004-06-01 | 2004-09-08 |
| 2005 | 2005-05-20 | 2005-09-07 |
| 2006 | 2006-05-14 | 2006-09-05 |
| 2007 | 2007-06-01 | 2007-09-08 |
| 2008 | 2008-05-19 | 2008-09-24 |
| 2009 | 2009-05-17 | 2009-09-27 |
| 2010 | 2010-06-04 | 2010-09-30 |
| 2011 | 2011-06-15 | 2011-09-28 |
| 2012 | 2012-05-21 | 2012-09-05 |
| 2013 | 2013-05-13 | 2013-09-05 |
| 2014 | 2014-05-27 | 2014-09-02 |
| 2015 | 2015-06-15 | 2015-09-12 |
| 2016 | 2016-06-02 | 2016-08-16 |
| 2017 | 2017-06-03 | 2017-09-05 |
| 2018 | 2018-05-08 | 2018-09-15 |
| 2019 | 2019-06-12 | 2019-09-14 |
| 2020 | 2020-05-27 | 2020-09-24 |
| 2021 | 2021-06-03 | 2021-09-15 |
| 2022 | 2022-05-15 | 2022-09-09 |
| 2023 | 2023-07-01 | 2023-09-09 |
| 2024 | 2024-06-05 | 2024-10-04 |
| 2025 | 2025-05-30 | 2025-09-02 |
| 2026 | 2026-05-11 | 2026-09-10 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 32 | 81 | 2024 | 67 |
| 35 C (95 F): Days | 31 | 13 | 2002 | 11 |
| 90 F (32.2 C): Days | 32 | 51 | 2002 | 38 |
| 100 F (37.8 C): Days | 7 | 3 | 2021 | 1 |
| 0 C (32 F): Ice days (max | 31 | 21 | 2013 | 2 |
| 0 C (32 F): Frost days (min | 32 | 141 | 2010 | 46 |
| -10 C (14 F): Days with min | 32 | 21 | 2013 | 4 |
| 20 C (68 F): Tropical nights (min | 32 | 39 | 2021 | 32 |
| 25 C (77 F): Days with min | 5 | 3 | 2003 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1995.
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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-14).