Daily records
Page built 2026-10-17
Data as of 2026-10-15
Search
Built 2026-10-17 (17 October 2026)

Subiaco Treatment Plant Threshold Days by Year

14 fixed thresholds counted per year at Subiaco Treatment Plant (ASN00009151): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Subiaco Treatment Plant Thresholds

  • Subiaco Treatment Plant: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1991 with 33.
  • Subiaco Treatment Plant: days with 25 mm (0.98 in) or more of precipitation in 50 years, most in 1991 with 8.
  • Subiaco Treatment Plant: days with 50 mm (1.97 in) or more of precipitation in 22 years, most in 1978 with 2.
  • Subiaco Treatment Plant: nights with a minimum temperature at or above 20 C (68 F) in 8 years, most in 1999 with 37.
  • 14 fixed thresholds have at least one qualifying day at Subiaco Treatment Plant.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Subiaco Treatment Plant Days per year at Subiaco Treatment Plant with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 82 in 1999. 02550751001991: 541992: 481993: 541994: 761995: 741996: 811999: 821991199219931994199519961999
Days per year at Subiaco Treatment Plant with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 82 in 1999.
Days at or above 30 C (86 F) per year at Subiaco Treatment Plant
YearDaysDecade average
19915467
19924867
19935467
19947667
19957467
19968167
19998267
First to last qualifying date each year at Subiaco Treatment Plant For each year, a bar from the first to the last day at Subiaco Treatment Plant meeting 30 C (86 F). 1991: 12 January 1991 to 21 December 19911992: 3 January 1992 to 28 December 19921993: 4 January 1993 to 31 December 19931994: 13 January 1994 to 30 December 19941995: 1 January 1995 to 31 December 19951996: 1 January 1996 to 31 December 19961999: 2 January 1999 to 31 December 19991991199219931994199519961999JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Subiaco Treatment Plant meeting 30 C (86 F).
First to last qualifying date each year at Subiaco Treatment Plant
YearFirst dateLast date
19911991-01-121991-12-21
19921992-01-031992-12-28
19931993-01-041993-12-31
19941994-01-131994-12-30
19951995-01-011995-12-31
19961996-01-011996-12-31
19991999-01-021999-12-31

Every Fixed Threshold

Fixed thresholds at Subiaco Treatment Plant
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days782199982
35 C (95 F): Days733199933
40 C (104 F): Days6719917
45 C (113 F): Days1219912
90 F (32.2 C): Days755199955
100 F (37.8 C): Days716199611
110 F (43.3 C): Days1319913
0 C (32 F): Frost days (min10n/a1
20 C (68 F): Tropical nights (min837199937
25 C (77 F): Days with min3219911
10 mm (0.39 in): Days with 10 mm or more rain5133199120
25 mm (0.98 in): Days with 25 mm or more rain50819914
50 mm (1.97 in): Days with 50 mm or more rain22219781
100 mm (3.94 in): Days with 100 mm or more rain1120181

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1991.

Download the Data

  • Data for Subiaco Treatment Plant 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).