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Built 2026-10-19 (19 October 2026)

Heffley Creek Threshold Days by Year (CA001163400)

13 fixed thresholds counted per year at Heffley Creek (CA001163400): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Heffley Creek Thresholds

  • Heffley Creek: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1958 with 41.
  • Heffley Creek: days with a maximum temperature at or below 0 C (32 F) in 30 years, most in 1955 with 96.
  • Heffley Creek: nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 1964 with 201.
  • Heffley Creek: nights with a minimum temperature at or below -10 C (14 F) in 30 years, most in 1955 with 78.
  • 13 fixed thresholds have at least one qualifying day at Heffley Creek.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Heffley Creek Days per year at Heffley Creek with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 41 in 1958. 02040601954: 21955: 161956: 201957: 11958: 411959: 101960: 221961: 301962: 91963: 111964: 51965: 141966: 51967: 361968: 161969: 101970: 241971: 301972: 131973: 211974: 131975: 91976: 21977: 181978: 161979: 161980: 21981: 171982: 111983: 81954195719601963196619691972197519781981
Days per year at Heffley Creek with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 41 in 1958.
Days at or above 30 C (86 F) per year at Heffley Creek
YearDaysDecade average
1954215
19551615
19562015
1957115
19584115
19591015
19602215.8
19613015.8
1962915.8
19631115.8
1964515.8
19651415.8
1966515.8
19673615.8
19681615.8
19691015.8
19702416.2
19713016.2
19721316.2
19732116.2
19741316.2
1975916.2
1976216.2
19771816.2
19781616.2
19791616.2
198029.5
1981179.5
1982119.5
198389.5
First to last qualifying date each year at Heffley Creek For each year, a bar from the first to the last day at Heffley Creek meeting 30 C (86 F). 1954: 14 July 1954 to 1 August 19541955: 10 June 1955 to 6 September 19551956: 8 July 1956 to 23 August 19561957: 5 June 1957 to 5 June 19571958: 21 May 1958 to 25 August 19581959: 10 July 1959 to 1 August 19591960: 5 July 1960 to 12 August 19601961: 2 June 1961 to 23 August 19611962: 23 July 1962 to 15 August 19621963: 15 June 1963 to 8 September 19631964: 7 July 1964 to 28 July 19641965: 1 July 1965 to 22 August 19651966: 1 August 1966 to 25 August 19661967: 20 June 1967 to 27 September 19671968: 2 July 1968 to 11 August 19681969: 3 June 1969 to 19 July 19691970: 2 June 1970 to 24 August 19701971: 15 July 1971 to 30 August 19711972: 28 May 1972 to 28 August 19721973: 14 May 1973 to 14 August 19731974: 14 June 1974 to 29 August 19741975: 3 July 1975 to 15 August 19751976: 16 July 1976 to 25 July 19761977: 25 April 1977 to 21 August 19771978: 3 June 1978 to 9 August 19781979: 26 June 1979 to 21 August 19791980: 22 July 1980 to 30 July 19801981: 26 July 1981 to 8 September 19811982: 17 June 1982 to 7 August 19821983: 28 May 1983 to 9 August 198319541958196219661970197419781982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Heffley Creek meeting 30 C (86 F).
First to last qualifying date each year at Heffley Creek
YearFirst dateLast date
19541954-07-141954-08-01
19551955-06-101955-09-06
19561956-07-081956-08-23
19571957-06-051957-06-05
19581958-05-211958-08-25
19591959-07-101959-08-01
19601960-07-051960-08-12
19611961-06-021961-08-23
19621962-07-231962-08-15
19631963-06-151963-09-08
19641964-07-071964-07-28
19651965-07-011965-08-22
19661966-08-011966-08-25
19671967-06-201967-09-27
19681968-07-021968-08-11
19691969-06-031969-07-19
19701970-06-021970-08-24
19711971-07-151971-08-30
19721972-05-281972-08-28
19731973-05-141973-08-14
19741974-06-141974-08-29
19751975-07-031975-08-15
19761976-07-161976-07-25
19771977-04-251977-08-21
19781978-06-031978-08-09
19791979-06-261979-08-21
19801980-07-221980-07-30
19811981-07-261981-09-08
19821982-06-171982-08-07
19831983-05-281983-08-09

Every Fixed Threshold

Fixed thresholds at Heffley Creek
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days304119588
35 C (95 F): Days9619714
90 F (32.2 C): Days262019713
0 C (32 F): Ice days (max3096195553
0 C (32 F): Frost days (min302011964184
-10 C (14 F): Days with min3078195537
-20 C (-4 F): Days with min302819578
-30 C (-22 F): Days with min21919691
-40 C (-40 F): Days with min1219682
10 mm (0.39 in): Days with 10 mm or more rain291319696
25 mm (0.98 in): Days with 25 mm or more rain10219541
10 cm (3.9 in): Days with 10 cm or more snowfall24619821
25 cm (9.8 in): Days with 25 cm or more snowfall3119561

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.

Download the Data

  • Data for Heffley Creek 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).