Octoraro Lake Threshold Days by Year (USC00366508)
18 fixed thresholds counted per year at Octoraro Lake (USC00366508): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Octoraro Lake Thresholds
- Octoraro Lake: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 2018 with 59.
- Octoraro Lake: days with 25 mm (0.98 in) or more of precipitation in 48 years, most in 1983 with 26.
- Octoraro Lake: nights with a minimum temperature at or below 0 C (32 F) in 45 years, most in 1996 with 152.
- Octoraro Lake: nights with a minimum temperature at or below -10 C (14 F) in 45 years, most in 1996 with 38.
- 18 fixed thresholds have at least one qualifying day at Octoraro Lake.
Days at or above 30 C (86 F)
42 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1979 | 15 | 15 |
| 1981 | 43 | 57.6 |
| 1983 | 74 | 57.6 |
| 1984 | 47 | 57.6 |
| 1985 | 54 | 57.6 |
| 1987 | 67 | 57.6 |
| 1988 | 72 | 57.6 |
| 1989 | 46 | 57.6 |
| 1990 | 52 | 63 |
| 1991 | 59 | 63 |
| 1992 | 25 | 63 |
| 1993 | 77 | 63 |
| 1994 | 72 | 63 |
| 1996 | 69 | 63 |
| 1997 | 57 | 63 |
| 1998 | 85 | 63 |
| 1999 | 71 | 63 |
| 2000 | 58 | 45.9 |
| 2001 | 72 | 45.9 |
| 2002 | 84 | 45.9 |
| 2004 | 21 | 45.9 |
| 2005 | 44 | 45.9 |
| 2006 | 40 | 45.9 |
| 2007 | 45 | 45.9 |
| 2008 | 31 | 45.9 |
| 2009 | 18 | 45.9 |
| 2010 | 63 | 38.8 |
| 2011 | 39 | 38.8 |
| 2012 | 46 | 38.8 |
| 2013 | 27 | 38.8 |
| 2014 | 19 | 38.8 |
| 2015 | 35 | 38.8 |
| 2016 | 51 | 38.8 |
| 2017 | 34 | 38.8 |
| 2018 | 36 | 38.8 |
| 2019 | 38 | 38.8 |
| 2020 | 42 | 43 |
| 2022 | 49 | 43 |
| 2023 | 36 | 43 |
| 2024 | 47 | 43 |
| 2025 | 43 | 43 |
| 2026 | 41 | 43 |
| Year | First date | Last date |
|---|---|---|
| 1979 | 1979-05-09 | 1979-09-06 |
| 1981 | 1981-05-15 | 1981-09-14 |
| 1983 | 1983-04-28 | 1983-09-20 |
| 1984 | 1984-05-22 | 1984-09-24 |
| 1985 | 1985-04-19 | 1985-09-20 |
| 1987 | 1987-05-10 | 1987-08-21 |
| 1988 | 1988-05-23 | 1988-09-23 |
| 1989 | 1989-05-19 | 1989-09-21 |
| 1990 | 1990-04-26 | 1990-10-04 |
| 1991 | 1991-04-08 | 1991-08-30 |
| 1992 | 1992-05-02 | 1992-09-18 |
| 1993 | 1993-05-10 | 1993-09-16 |
| 1994 | 1994-04-25 | 1994-09-18 |
| 1996 | 1996-04-22 | 1996-09-10 |
| 1997 | 1997-05-19 | 1997-10-07 |
| 1998 | 1998-03-30 | 1998-09-27 |
| 1999 | 1999-05-29 | 1999-09-14 |
| 2000 | 2000-05-05 | 2000-09-20 |
| 2001 | 2001-04-23 | 2001-09-13 |
| 2002 | 2002-04-16 | 2002-10-03 |
| 2004 | 2004-05-22 | 2004-08-28 |
| 2005 | 2005-06-05 | 2005-09-16 |
| 2006 | 2006-05-29 | 2006-08-30 |
| 2007 | 2007-05-25 | 2007-10-09 |
| 2008 | 2008-06-07 | 2008-09-14 |
| 2009 | 2009-04-25 | 2009-08-26 |
| 2010 | 2010-04-06 | 2010-09-25 |
| 2011 | 2011-05-26 | 2011-08-08 |
| 2012 | 2012-04-16 | 2012-09-07 |
| 2013 | 2013-04-10 | 2013-09-12 |
| 2014 | 2014-05-27 | 2014-09-06 |
| 2015 | 2015-05-31 | 2015-09-09 |
| 2016 | 2016-05-25 | 2016-09-23 |
| 2017 | 2017-04-16 | 2017-10-09 |
| 2018 | 2018-05-02 | 2018-10-04 |
| 2019 | 2019-05-20 | 2019-10-02 |
| 2020 | 2020-06-03 | 2020-08-28 |
| 2022 | 2022-05-21 | 2022-09-21 |
| 2023 | 2023-05-12 | 2023-09-09 |
| 2024 | 2024-04-29 | 2024-09-20 |
| 2025 | 2025-06-05 | 2025-08-17 |
| 2026 | 2026-04-15 | 2026-08-29 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 42 | 85 | 1998 | 41 |
| 35 C (95 F): Days | 33 | 30 | 2002 | 4 |
| 40 C (104 F): Days | 1 | 1 | 2001 | 1 |
| 90 F (32.2 C): Days | 42 | 58 | 2002 | 15 |
| 100 F (37.8 C): Days | 9 | 5 | 1999 | 2 |
| 0 C (32 F): Ice days (max | 42 | 30 | 2004 | 21 |
| 0 C (32 F): Frost days (min | 45 | 152 | 1996 | 71 |
| -10 C (14 F): Days with min | 45 | 38 | 1996 | 22 |
| -20 C (-4 F): Days with min | 11 | 4 | 1979 | 1 |
| 20 C (68 F): Tropical nights (min | 45 | 39 | 2010 | 27 |
| 25 C (77 F): Days with min | 8 | 4 | 1999 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 48 | 59 | 2018 | 27 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 48 | 26 | 1983 | 7 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 44 | 7 | 2011 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 12 | 1 | 1979 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 22 | 4 | 1996 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 10 | 2 | 1987 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 2 | 1 | 1983 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1979.
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 (2026-10-15).