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Built 2026-10-19 (19 October 2026)

Sappho 8 E Threshold Days by Year (USC00457319)

14 fixed thresholds counted per year at Sappho 8 E (USC00457319): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sappho 8 E Thresholds

  • Sappho 8 E: nights with a minimum temperature at or below 0 C (32 F) in 31 years, most in 1972 with 104.
  • Sappho 8 E: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 1972 with 20.
  • Sappho 8 E: days with a maximum temperature at or above 90 F (32.2 C) in 24 years, most in 1971 with 10.
  • Sappho 8 E: days with a maximum temperature at or below 0 C (32 F) in 20 years, most in 1969 with 13.
  • 14 fixed thresholds have at least one qualifying day at Sappho 8 E.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Sappho 8 E Days per year at Sappho 8 E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 20 in 1972. 051015201937: 61955: 31959: 71960: 91961: 191962: 61967: 181968: 81969: 51970: 91971: 151972: 201975: 41979: 41982: 71983: 21984: 41985: 131986: 141987: 111988: 181989: 91990: 151991: 31992: 141993: 41994: 31995: 81937196019671970197519831986198919921995
Days per year at Sappho 8 E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 20 in 1972.
Days at or above 30 C (86 F) per year at Sappho 8 E
YearDaysDecade average
193766
195535
195975
1960910.8
19611910.8
1962610.8
19671810.8
1968810.8
1969510.8
1970910.4
19711510.4
19722010.4
1975410.4
1979410.4
198279.8
198329.8
198449.8
1985139.8
1986149.8
1987119.8
1988189.8
198999.8
1990157.8
199137.8
1992147.8
199347.8
199437.8
199587.8
First to last qualifying date each year at Sappho 8 E For each year, a bar from the first to the last day at Sappho 8 E meeting 30 C (86 F). 1937: 1 June 1937 to 15 September 19371955: 9 June 1955 to 5 September 19551959: 17 July 1959 to 1 August 19591960: 5 July 1960 to 9 August 19601961: 1 June 1961 to 23 August 19611962: 22 July 1962 to 28 July 19621967: 18 June 1967 to 16 September 19671968: 2 July 1968 to 1 August 19681969: 4 June 1969 to 17 June 19691970: 1 June 1970 to 22 August 19701971: 18 July 1971 to 12 August 19711972: 28 May 1972 to 5 September 19721975: 4 July 1975 to 12 September 19751979: 16 July 1979 to 19 July 19791982: 17 June 1982 to 24 August 19821983: 28 May 1983 to 29 May 19831984: 16 July 1984 to 25 July 19841985: 19 June 1985 to 24 August 19851986: 30 May 1986 to 28 August 19861987: 7 May 1987 to 5 September 19871988: 19 July 1988 to 14 September 19881989: 3 June 1989 to 24 September 19891990: 11 July 1990 to 23 September 19901991: 23 July 1991 to 15 August 19911992: 22 June 1992 to 17 August 19921993: 2 August 1993 to 5 August 19931994: 20 July 1994 to 22 July 19941995: 28 June 1995 to 20 July 19951937196119691975198419881992JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sappho 8 E meeting 30 C (86 F).
First to last qualifying date each year at Sappho 8 E
YearFirst dateLast date
19371937-06-011937-09-15
19551955-06-091955-09-05
19591959-07-171959-08-01
19601960-07-051960-08-09
19611961-06-011961-08-23
19621962-07-221962-07-28
19671967-06-181967-09-16
19681968-07-021968-08-01
19691969-06-041969-06-17
19701970-06-011970-08-22
19711971-07-181971-08-12
19721972-05-281972-09-05
19751975-07-041975-09-12
19791979-07-161979-07-19
19821982-06-171982-08-24
19831983-05-281983-05-29
19841984-07-161984-07-25
19851985-06-191985-08-24
19861986-05-301986-08-28
19871987-05-071987-09-05
19881988-07-191988-09-14
19891989-06-031989-09-24
19901990-07-111990-09-23
19911991-07-231991-08-15
19921992-06-221992-08-17
19931993-08-021993-08-05
19941994-07-201994-07-22
19951995-06-281995-07-20

Every Fixed Threshold

Fixed thresholds at Sappho 8 E
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days282019728
35 C (95 F): Days5219612
90 F (32.2 C): Days241019714
0 C (32 F): Ice days (max201319691
0 C (32 F): Frost days (min31104197234
-10 C (14 F): Days with min9619552
20 C (68 F): Tropical nights (min2119921
10 mm (0.39 in): Days with 10 mm or more rain1174196246
25 mm (0.98 in): Days with 25 mm or more rain1126198423
50 mm (1.97 in): Days with 50 mm or more rain1110198410
100 mm (3.94 in): Days with 100 mm or more rain6319841
200 mm (7.87 in): Days with 200 mm or more rain1119551
10 cm (3.9 in): Days with 10 cm or more snowfall16819691
25 cm (9.8 in): Days with 25 cm or more snowfall4219822

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.

Download the Data

  • Data for Sappho 8 E 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).