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Data as of 2026-10-15
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Built 2026-10-17 (17 October 2026)

Boyup Brook Threshold Days by Year

10 fixed thresholds counted per year at Boyup Brook (ASN00009504): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boyup Brook Thresholds

  • Boyup Brook: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1917 with 38.
  • Boyup Brook: days with 25 mm (0.98 in) or more of precipitation in 67 years, most in 1961 with 10.
  • Boyup Brook: days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 1947 with 2.
  • Boyup Brook: days with a maximum temperature at or above 30 C (86 F) in 5 years, most in 1972 with 85.
  • 10 fixed thresholds have at least one qualifying day at Boyup Brook.
5 years with a qualifying day
Days at or above 30 C (86 F) per year at Boyup Brook Days per year at Boyup Brook with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 85 in 1972. 02550751001969: 601970: 601971: 421972: 851973: 5319691970197119721973
Days per year at Boyup Brook with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 85 in 1972.
Days at or above 30 C (86 F) per year at Boyup Brook
YearDaysDecade average
19696060
19706060
19714260
19728560
19735360
First to last qualifying date each year at Boyup Brook For each year, a bar from the first to the last day at Boyup Brook meeting 30 C (86 F). 1969: 1 January 1969 to 31 December 19691970: 1 January 1970 to 31 December 19701971: 1 January 1971 to 31 December 19711972: 1 January 1972 to 31 December 19721973: 4 January 1973 to 22 December 197319691970197119721973JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Boyup Brook meeting 30 C (86 F).
First to last qualifying date each year at Boyup Brook
YearFirst dateLast date
19691969-01-011969-12-31
19701970-01-011970-12-31
19711971-01-011971-12-31
19721972-01-011972-12-31
19731973-01-041973-12-22

Every Fixed Threshold

Fixed thresholds at Boyup Brook
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days585197253
35 C (95 F): Days531197211
40 C (104 F): Days3319691
90 F (32.2 C): Days561197228
100 F (37.8 C): Days51019723
0 C (32 F): Frost days (min51719699
20 C (68 F): Tropical nights (min4419711
10 mm (0.39 in): Days with 10 mm or more rain7038191714
25 mm (0.98 in): Days with 25 mm or more rain671019615
50 mm (1.97 in): Days with 50 mm or more rain15219471

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for Boyup Brook 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-15).