Middletown Harrisburg Intl AP Threshold Days by Year (USW00014711)
18 fixed thresholds counted per year at Middletown Harrisburg Intl AP (USW00014711): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Middletown Harrisburg Intl AP Thresholds
- Middletown Harrisburg Intl AP: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 2018 with 55.
- Middletown Harrisburg Intl AP: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 2011 with 21.
- Middletown Harrisburg Intl AP: days with a maximum temperature at or above 30 C (86 F) in 58 years, most in 2016 with 77.
- Middletown Harrisburg Intl AP: days with a maximum temperature at or above 90 F (32.2 C) in 58 years, most in 2016 with 43.
- 18 fixed thresholds have at least one qualifying day at Middletown Harrisburg Intl AP.
Days at or above 30 C (86 F)
58 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1941 | 61 | 47.1 |
| 1942 | 42 | 47.1 |
| 1944 | 60 | 47.1 |
| 1946 | 35 | 47.1 |
| 1947 | 36 | 47.1 |
| 1948 | 36 | 47.1 |
| 1949 | 60 | 47.1 |
| 1950 | 38 | 53.3 |
| 1951 | 51 | 53.3 |
| 1952 | 54 | 53.3 |
| 1953 | 65 | 53.3 |
| 1954 | 43 | 53.3 |
| 1955 | 60 | 53.3 |
| 1956 | 41 | 53.3 |
| 1957 | 64 | 53.3 |
| 1958 | 44 | 53.3 |
| 1959 | 73 | 53.3 |
| 1960 | 37 | 39 |
| 1961 | 55 | 39 |
| 1962 | 45 | 39 |
| 1963 | 28 | 39 |
| 1964 | 32 | 39 |
| 1965 | 37 | 39 |
| 1992 | 29 | 51.3 |
| 1993 | 57 | 51.3 |
| 1994 | 54 | 51.3 |
| 1995 | 57 | 51.3 |
| 1996 | 34 | 51.3 |
| 1997 | 51 | 51.3 |
| 1998 | 59 | 51.3 |
| 1999 | 69 | 51.3 |
| 2000 | 45 | 42.6 |
| 2001 | 41 | 42.6 |
| 2002 | 57 | 42.6 |
| 2003 | 21 | 42.6 |
| 2004 | 24 | 42.6 |
| 2005 | 56 | 42.6 |
| 2006 | 50 | 42.6 |
| 2007 | 59 | 42.6 |
| 2008 | 50 | 42.6 |
| 2009 | 23 | 42.6 |
| 2010 | 67 | 55.1 |
| 2011 | 46 | 55.1 |
| 2012 | 49 | 55.1 |
| 2013 | 38 | 55.1 |
| 2014 | 36 | 55.1 |
| 2015 | 65 | 55.1 |
| 2016 | 77 | 55.1 |
| 2017 | 53 | 55.1 |
| 2018 | 53 | 55.1 |
| 2019 | 67 | 55.1 |
| 2020 | 63 | 56.7 |
| 2021 | 67 | 56.7 |
| 2022 | 61 | 56.7 |
| 2023 | 48 | 56.7 |
| 2024 | 63 | 56.7 |
| 2025 | 50 | 56.7 |
| 2026 | 45 | 56.7 |
| Year | First date | Last date |
|---|---|---|
| 1941 | 1941-04-14 | 1941-10-07 |
| 1942 | 1942-04-26 | 1942-09-17 |
| 1944 | 1944-05-04 | 1944-09-03 |
| 1946 | 1946-05-25 | 1946-10-07 |
| 1947 | 1947-05-13 | 1947-10-23 |
| 1948 | 1948-05-10 | 1948-09-18 |
| 1949 | 1949-05-04 | 1949-10-11 |
| 1950 | 1950-06-06 | 1950-08-31 |
| 1951 | 1951-05-15 | 1951-10-05 |
| 1952 | 1952-05-28 | 1952-09-14 |
| 1953 | 1953-05-10 | 1953-09-30 |
| 1954 | 1954-05-02 | 1954-10-12 |
| 1955 | 1955-05-05 | 1955-09-06 |
| 1956 | 1956-04-28 | 1956-09-23 |
| 1957 | 1957-04-27 | 1957-09-22 |
| 1958 | 1958-05-31 | 1958-09-26 |
| 1959 | 1959-05-07 | 1959-10-06 |
| 1960 | 1960-04-14 | 1960-09-09 |
| 1961 | 1961-06-01 | 1961-09-25 |
| 1962 | 1962-04-26 | 1962-08-31 |
| 1963 | 1963-05-09 | 1963-10-07 |
| 1964 | 1964-05-19 | 1964-09-17 |
| 1965 | 1965-05-03 | 1965-09-23 |
| 1992 | 1992-05-02 | 1992-09-10 |
| 1993 | 1993-05-11 | 1993-09-15 |
| 1994 | 1994-04-25 | 1994-09-14 |
| 1995 | 1995-04-19 | 1995-10-06 |
| 1996 | 1996-05-19 | 1996-09-09 |
| 1997 | 1997-05-19 | 1997-10-07 |
| 1998 | 1998-03-30 | 1998-09-27 |
| 1999 | 1999-05-22 | 1999-09-09 |
| 2000 | 2000-05-05 | 2000-09-10 |
| 2001 | 2001-05-02 | 2001-09-13 |
| 2002 | 2002-04-16 | 2002-09-10 |
| 2003 | 2003-06-23 | 2003-08-25 |
| 2004 | 2004-04-19 | 2004-08-29 |
| 2005 | 2005-05-11 | 2005-09-23 |
| 2006 | 2006-05-29 | 2006-08-29 |
| 2007 | 2007-05-15 | 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 | 2011-09-04 |
| 2012 | 2012-04-16 | 2012-09-07 |
| 2013 | 2013-05-21 | 2013-10-05 |
| 2014 | 2014-05-27 | 2014-09-21 |
| 2015 | 2015-05-08 | 2015-09-19 |
| 2016 | 2016-05-25 | 2016-09-23 |
| 2017 | 2017-04-11 | 2017-09-27 |
| 2018 | 2018-05-02 | 2018-09-07 |
| 2019 | 2019-05-19 | 2019-10-02 |
| 2020 | 2020-05-29 | 2020-08-29 |
| 2021 | 2021-04-28 | 2021-09-18 |
| 2022 | 2022-05-21 | 2022-09-04 |
| 2023 | 2023-04-14 | 2023-09-09 |
| 2024 | 2024-04-29 | 2024-09-19 |
| 2025 | 2025-06-04 | 2025-09-19 |
| 2026 | 2026-04-15 | 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 | 58 | 77 | 2016 | 45 |
| 35 C (95 F): Days | 47 | 22 | 1999 | 6 |
| 90 F (32.2 C): Days | 58 | 43 | 2016 | 16 |
| 100 F (37.8 C): Days | 16 | 6 | 1999 | 3 |
| 0 C (32 F): Ice days (max | 58 | 40 | 1963 | 20 |
| 0 C (32 F): Frost days (min | 58 | 123 | 1944 | 72 |
| -10 C (14 F): Days with min | 55 | 34 | 1994 | 19 |
| -20 C (-4 F): Days with min | 7 | 5 | 1994 | 2 |
| -30 C (-22 F): Days with min | 1 | 1 | 1994 | 1 |
| 20 C (68 F): Tropical nights (min | 58 | 64 | 2020 | 55 |
| 25 C (77 F): Days with min | 27 | 4 | 1999 | 4 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 60 | 55 | 2018 | 29 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 60 | 21 | 2011 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 45 | 6 | 2004 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 7 | 2 | 2013 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 47 | 8 | 1961 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 14 | 2 | 1964 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 3 | 1 | 1993 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.
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 (2026-10-17).