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Built 2026-10-19 (19 October 2026)

Second Valley Forest Threshold Days by Year (ASN00023816)

4 fixed thresholds counted per year at Second Valley Forest (ASN00023816): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Second Valley Forest Thresholds

  • Second Valley Forest: days with 10 mm (0.39 in) or more of precipitation in 24 years, most in 1981 with 40.
  • Second Valley Forest: days with 25 mm (0.98 in) or more of precipitation in 24 years, most in 1974 with 12.
  • Second Valley Forest: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1979 with 3.
  • Second Valley Forest: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1979 with 1.
  • 4 fixed thresholds have at least one qualifying day at Second Valley Forest.
24 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Second Valley Forest Days per year at Second Valley Forest with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1981. 0102030401970: 261971: 321972: 281973: 381974: 321975: 331976: 191977: 331978: 341979: 361980: 241981: 401982: 201983: 401984: 301985: 291993: 261997: 181998: 161999: 192000: 312002: 152003: 272004: 2419701973197619791982198519982002
Days per year at Second Valley Forest with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1981.
Days with 10 mm (0.39 in) or more of precipitation per year at Second Valley Forest
YearDaysDecade average
19702631.1
19713231.1
19722831.1
19733831.1
19743231.1
19753331.1
19761931.1
19773331.1
19783431.1
19793631.1
19802430.5
19814030.5
19822030.5
19834030.5
19843030.5
19852930.5
19932619.8
19971819.8
19981619.8
19991919.8
20003124.3
20021524.3
20032724.3
20042424.3
First to last qualifying date each year at Second Valley Forest For each year, a bar from the first to the last day at Second Valley Forest meeting 10 mm (0.39 in). 1970: 1 January 1970 to 12 December 19701971: 3 February 1971 to 10 December 19711972: 9 January 1972 to 26 December 19721973: 30 January 1973 to 15 December 19731974: 13 January 1974 to 31 October 19741975: 10 January 1975 to 14 December 19751976: 12 January 1976 to 23 December 19761977: 14 January 1977 to 2 December 19771978: 22 March 1978 to 4 December 19781979: 14 February 1979 to 30 December 19791980: 18 April 1980 to 6 November 19801981: 10 January 1981 to 15 November 19811982: 8 March 1982 to 27 December 19821983: 3 March 1983 to 6 December 19831984: 25 March 1984 to 10 November 19841985: 3 January 1985 to 9 December 19851993: 5 March 1993 to 27 December 19931997: 15 January 1997 to 9 December 19971998: 8 February 1998 to 11 November 19981999: 7 March 1999 to 3 December 19992000: 25 January 2000 to 9 November 20002002: 26 March 2002 to 26 November 20022003: 30 January 2003 to 20 December 20032004: 29 March 2004 to 27 October 200419701973197619791982198519982002JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Second Valley Forest meeting 10 mm (0.39 in).
First to last qualifying date each year at Second Valley Forest
YearFirst dateLast date
19701970-01-011970-12-12
19711971-02-031971-12-10
19721972-01-091972-12-26
19731973-01-301973-12-15
19741974-01-131974-10-31
19751975-01-101975-12-14
19761976-01-121976-12-23
19771977-01-141977-12-02
19781978-03-221978-12-04
19791979-02-141979-12-30
19801980-04-181980-11-06
19811981-01-101981-11-15
19821982-03-081982-12-27
19831983-03-031983-12-06
19841984-03-251984-11-10
19851985-01-031985-12-09
19931993-03-051993-12-27
19971997-01-151997-12-09
19981998-02-081998-11-11
19991999-03-071999-12-03
20002000-01-252000-11-09
20022002-03-262002-11-26
20032003-01-302003-12-20
20042004-03-292004-10-27

Every Fixed Threshold

Fixed thresholds at Second Valley Forest
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2440198124
25 mm (0.98 in): Days with 25 mm or more rain241219745
50 mm (1.97 in): Days with 50 mm or more rain12319792
100 mm (3.94 in): Days with 100 mm or more rain1119791

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Second Valley Forest 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 (2026-10-17).