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Built 2026-10-19 (19 October 2026)

Meadville Threshold Days by Year (USC00225704)

16 fixed thresholds counted per year at Meadville (USC00225704): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Meadville Thresholds

  • Meadville: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1997 with 57.
  • Meadville: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 1961 with 29.
  • Meadville: days with 50 mm (1.97 in) or more of precipitation in 38 years, most in 1994 with 13.
  • Meadville: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1963 with 154.
  • 16 fixed thresholds have at least one qualifying day at Meadville.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Meadville Days per year at Meadville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 154 in 1963. 0501001502001920: 1501923: 1351924: 1461957: 1151958: 1121959: 1291960: 1261961: 1151962: 1481963: 1541964: 1231966: 1151967: 1111968: 1251983: 1241984: 1411985: 1451986: 1461987: 1251988: 1211989: 1191991: 1301992: 971993: 1321994: 1151995: 1241996: 1151997: 1181998: 1302000: 1402003: 1252004: 1062009: 110192019581962196719851989199419982009
Days per year at Meadville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 154 in 1963.
Days at or above 30 C (86 F) per year at Meadville
YearDaysDecade average
1920150143.7
1923135143.7
1924146143.7
1957115118.7
1958112118.7
1959129118.7
1960126127.1
1961115127.1
1962148127.1
1963154127.1
1964123127.1
1966115127.1
1967111127.1
1968125127.1
1983124131.6
1984141131.6
1985145131.6
1986146131.6
1987125131.6
1988121131.6
1989119131.6
1991130120.1
199297120.1
1993132120.1
1994115120.1
1995124120.1
1996115120.1
1997118120.1
1998130120.1
2000140120.3
2003125120.3
2004106120.3
2009110120.3
First to last qualifying date each year at Meadville For each year, a bar from the first to the last day at Meadville meeting 30 C (86 F). 1920: 16 April 1920 to 26 October 19201923: 22 April 1923 to 13 October 19231924: 14 April 1924 to 7 November 19241957: 18 April 1957 to 22 September 19571958: 23 April 1958 to 10 October 19581959: 30 April 1959 to 12 October 19591960: 22 April 1960 to 16 October 19601961: 28 April 1961 to 13 October 19611962: 28 April 1962 to 20 October 19621963: 13 March 1963 to 28 October 19631964: 23 April 1964 to 27 September 19641966: 13 April 1966 to 11 October 19661967: 11 March 1967 to 24 October 19671968: 19 April 1968 to 16 October 19681983: 3 May 1983 to 22 October 19831984: 17 March 1984 to 2 November 19841985: 14 March 1985 to 21 October 19851986: 21 February 1986 to 9 November 19861987: 22 March 1987 to 20 October 19871988: 5 April 1988 to 1 October 19881989: 16 February 1989 to 17 October 19891991: 25 March 1991 to 27 October 19911992: 2 May 1992 to 27 October 19921993: 30 March 1993 to 21 October 19931994: 20 March 1994 to 8 October 19941995: 23 March 1995 to 3 October 19951996: 21 April 1996 to 27 October 19961997: 18 May 1997 to 14 October 19971998: 9 May 1998 to 19 October 19982000: 24 March 2000 to 7 October 20002003: 14 April 2003 to 25 October 20032004: 21 March 2004 to 23 October 20042009: 23 April 2009 to 9 October 20091920195919641984198919952003JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Meadville meeting 30 C (86 F).
First to last qualifying date each year at Meadville
YearFirst dateLast date
19201920-04-161920-10-26
19231923-04-221923-10-13
19241924-04-141924-11-07
19571957-04-181957-09-22
19581958-04-231958-10-10
19591959-04-301959-10-12
19601960-04-221960-10-16
19611961-04-281961-10-13
19621962-04-281962-10-20
19631963-03-131963-10-28
19641964-04-231964-09-27
19661966-04-131966-10-11
19671967-03-111967-10-24
19681968-04-191968-10-16
19831983-05-031983-10-22
19841984-03-171984-11-02
19851985-03-141985-10-21
19861986-02-211986-11-09
19871987-03-221987-10-20
19881988-04-051988-10-01
19891989-02-161989-10-17
19911991-03-251991-10-27
19921992-05-021992-10-27
19931993-03-301993-10-21
19941994-03-201994-10-08
19951995-03-231995-10-03
19961996-04-211996-10-27
19971997-05-181997-10-14
19981998-05-091998-10-19
20002000-03-242000-10-07
20032003-04-142003-10-25
20042004-03-212004-10-23
20092009-04-232009-10-09

Every Fixed Threshold

Fixed thresholds at Meadville
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days331541963110
35 C (95 F): Days3298192425
40 C (104 F): Days3820008
90 F (32.2 C): Days33119192461
100 F (37.8 C): Days103919249
0 C (32 F): Ice days (max11419831
0 C (32 F): Frost days (min3167196321
-10 C (14 F): Days with min13619852
20 C (68 F): Tropical nights (min311191998106
25 C (77 F): Days with min6320041
10 mm (0.39 in): Days with 10 mm or more rain3857199755
25 mm (0.98 in): Days with 25 mm or more rain3829196118
50 mm (1.97 in): Days with 50 mm or more rain381319945
100 mm (3.94 in): Days with 100 mm or more rain20319831
200 mm (7.87 in): Days with 200 mm or more rain2119641
10 cm (3.9 in): Days with 10 cm or more snowfall1120171

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1920.

Download the Data

  • Data for Meadville threshold days by year: CSV or JSON. Field meanings are on the data page.

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 (2025-12-31).