Built 2026-10-19 (19 October 2026)

Genevad Threshold Days by Year (SWE00137808)

11 fixed thresholds counted per year at Genevad (SWE00137808): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Genevad Thresholds

  • Genevad: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1985 with 35.
  • Genevad: days with a maximum temperature at or below 0 C (32 F) in 46 years, most in 1947 with 74.
  • Genevad: nights with a minimum temperature at or below 0 C (32 F) in 46 years, most in 1947 with 144.
  • Genevad: nights with a minimum temperature at or below -10 C (14 F) in 44 years, most in 1947 with 45.
  • 11 fixed thresholds have at least one qualifying day at Genevad.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Genevad Days per year at Genevad with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 1975. 0358101945: 21946: 11947: 31963: 11964: 11968: 11969: 61973: 21975: 91979: 21982: 91983: 11986: 11989: 21990: 11991: 31992: 31994: 81995: 21996: 31997: 31999: 12000: 12001: 319451963196919791986199119951999
Days per year at Genevad with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 1975.
Days at or above 30 C (86 F) per year at Genevad
YearDaysDecade average
194522
194612
194732
196312.3
196412.3
196812.3
196962.3
197324.3
197594.3
197924.3
198293.3
198313.3
198613.3
198923.3
199013
199133
199233
199483
199523
199633
199733
199913
200012
200132
First to last qualifying date each year at Genevad For each year, a bar from the first to the last day at Genevad meeting 30 C (86 F). 1945: 15 July 1945 to 16 July 19451946: 5 July 1946 to 5 July 19461947: 28 June 1947 to 30 June 19471963: 4 August 1963 to 4 August 19631964: 14 June 1964 to 14 June 19641968: 17 June 1968 to 17 June 19681969: 30 July 1969 to 8 August 19691973: 6 July 1973 to 7 July 19731975: 22 June 1975 to 11 August 19751979: 1 June 1979 to 2 June 19791982: 2 June 1982 to 7 August 19821983: 11 July 1983 to 11 July 19831986: 4 August 1986 to 4 August 19861989: 7 July 1989 to 8 July 19891990: 4 August 1990 to 4 August 19901991: 6 July 1991 to 8 July 19911992: 1 July 1992 to 10 August 19921994: 13 July 1994 to 5 August 19941995: 31 July 1995 to 11 August 19951996: 8 June 1996 to 22 August 19961997: 30 June 1997 to 11 August 19971999: 12 July 1999 to 12 July 19992000: 21 June 2000 to 21 June 20002001: 7 July 2001 to 16 August 200119451963196919791986199119951999JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Genevad meeting 30 C (86 F).
First to last qualifying date each year at Genevad
YearFirst dateLast date
19451945-07-151945-07-16
19461946-07-051946-07-05
19471947-06-281947-06-30
19631963-08-041963-08-04
19641964-06-141964-06-14
19681968-06-171968-06-17
19691969-07-301969-08-08
19731973-07-061973-07-07
19751975-06-221975-08-11
19791979-06-011979-06-02
19821982-06-021982-08-07
19831983-07-111983-07-11
19861986-08-041986-08-04
19891989-07-071989-07-08
19901990-08-041990-08-04
19911991-07-061991-07-08
19921992-07-011992-08-10
19941994-07-131994-08-05
19951995-07-311995-08-11
19961996-06-081996-08-22
19971997-06-301997-08-11
19991999-07-121999-07-12
20002000-06-212000-06-21
20012001-07-072001-08-16

Every Fixed Threshold

Fixed thresholds at Genevad
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days24919753
35 C (95 F): Days1119471
90 F (32.2 C): Days8419751
0 C (32 F): Ice days (max4674194716
0 C (32 F): Frost days (min461441947101
-10 C (14 F): Days with min4445194711
-20 C (-4 F): Days with min191019631
20 C (68 F): Tropical nights (min2219941
10 mm (0.39 in): Days with 10 mm or more rain5735198521
25 mm (0.98 in): Days with 25 mm or more rain44619632
50 mm (1.97 in): Days with 50 mm or more rain4119451

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

  • Data for Genevad 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).