Built 2026-10-19 (19 October 2026)

Stoystown Threshold Days by Year (USC00368560)

12 fixed thresholds counted per year at Stoystown (USC00368560): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Stoystown Thresholds

  • Stoystown: days with a maximum temperature at or below 0 C (32 F) in 30 years, most in 1968 with 75.
  • Stoystown: nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 1988 with 183.
  • Stoystown: nights with a minimum temperature at or below -10 C (14 F) in 30 years, most in 1978 with 62.
  • Stoystown: nights with a minimum temperature at or below -20 C (-4 F) in 28 years, most in 1963 with 17.
  • 12 fixed thresholds have at least one qualifying day at Stoystown.
27 years with a qualifying day
Days at or above 30 C (86 F) per year at Stoystown Days per year at Stoystown with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 24 in 1991. 01020301962: 81963: 101964: 181965: 181966: 111967: 51969: 101970: 21971: 61972: 51973: 111974: 11975: 51976: 11977: 81978: 11979: 11980: 41983: 211984: 41985: 31986: 61987: 181988: 201989: 41990: 31991: 24196219651969197219751978198319861989
Days per year at Stoystown with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 24 in 1991.
Days at or above 30 C (86 F) per year at Stoystown
YearDaysDecade average
1962811.4
19631011.4
19641811.4
19651811.4
19661111.4
1967511.4
19691011.4
197024.1
197164.1
197254.1
1973114.1
197414.1
197554.1
197614.1
197784.1
197814.1
197914.1
1980410
19832110
1984410
1985310
1986610
19871810
19882010
1989410
1990313.5
19912413.5
First to last qualifying date each year at Stoystown For each year, a bar from the first to the last day at Stoystown meeting 30 C (86 F). 1962: 19 May 1962 to 1 September 19621963: 11 June 1963 to 29 July 19631964: 22 June 1964 to 11 September 19641965: 10 May 1965 to 23 September 19651966: 25 June 1966 to 28 July 19661967: 14 June 1967 to 25 June 19671969: 2 June 1969 to 2 September 19691970: 23 September 1970 to 25 September 19701971: 20 May 1971 to 7 September 19711972: 20 July 1972 to 25 August 19721973: 13 June 1973 to 3 September 19731974: 11 June 1974 to 11 June 19741975: 24 July 1975 to 4 August 19751976: 19 April 1976 to 19 April 19761977: 6 July 1977 to 29 August 19771978: 28 June 1978 to 28 June 19781979: 10 May 1979 to 10 May 19791980: 29 June 1980 to 22 July 19801983: 16 June 1983 to 11 September 19831984: 8 June 1984 to 13 June 19841985: 13 August 1985 to 7 September 19851986: 6 July 1986 to 25 July 19861987: 15 June 1987 to 21 August 19871988: 14 June 1988 to 17 August 19881989: 11 July 1989 to 4 August 19891990: 27 April 1990 to 9 July 19901991: 26 May 1991 to 16 September 19911962196619711975197919851989JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Stoystown meeting 30 C (86 F).
First to last qualifying date each year at Stoystown
YearFirst dateLast date
19621962-05-191962-09-01
19631963-06-111963-07-29
19641964-06-221964-09-11
19651965-05-101965-09-23
19661966-06-251966-07-28
19671967-06-141967-06-25
19691969-06-021969-09-02
19701970-09-231970-09-25
19711971-05-201971-09-07
19721972-07-201972-08-25
19731973-06-131973-09-03
19741974-06-111974-06-11
19751975-07-241975-08-04
19761976-04-191976-04-19
19771977-07-061977-08-29
19781978-06-281978-06-28
19791979-05-101979-05-10
19801980-06-291980-07-22
19831983-06-161983-09-11
19841984-06-081984-06-13
19851985-08-131985-09-07
19861986-07-061986-07-25
19871987-06-151987-08-21
19881988-06-141988-08-17
19891989-07-111989-08-04
19901990-04-271990-07-09
19911991-05-261991-09-16

Every Fixed Threshold

Fixed thresholds at Stoystown
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2724199124
35 C (95 F): Days1119881
90 F (32.2 C): Days15719883
0 C (32 F): Ice days (max3075196826
0 C (32 F): Frost days (min301831988136
-10 C (14 F): Days with min3062197836
-20 C (-4 F): Days with min281719631
-30 C (-22 F): Days with min2119821
20 C (68 F): Tropical nights (min10419914
10 mm (0.39 in): Days with 10 mm or more rain2749197040
25 mm (0.98 in): Days with 25 mm or more rain271419759
50 mm (1.97 in): Days with 50 mm or more rain10219711

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

  • Data for Stoystown 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).