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Data as of 2025-12-31
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Built 2026-10-15 (15 October 2026)

Semaphore 1 Weather Records (ASN00023049)

Record envelope, standing records and threshold days for Semaphore 1 (ASN00023049), Australia, with 34 years of record.

Key Facts for Semaphore 1

  • Semaphore 1 (ASN00023049) is a weather station in Australia at -34.83 latitude and 138.48 longitude, n/a above sea level.
  • The station reports from 1891 to 1924, 34 years of record.
  • 0 records set at Semaphore 1 still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Australia, -34.83 latitude, 138.48 longitude.
  • Elevation: n/a.
  • Period of record: 1891 to 1924, 34 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Semaphore 1, with 2026 drawn through them The band shows the record high and record low for each calendar day at Semaphore 1. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Semaphore 1. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Semaphore 1, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jann/an/an/an/a
Febn/an/an/an/a
Marn/an/an/an/a
Aprn/an/an/an/a
Mayn/an/an/an/a
Junn/an/an/an/a
Juln/an/an/an/a
Augn/an/an/an/a
Sepn/an/an/an/a
Octn/an/an/an/a
Novn/an/an/an/a
Decn/an/an/an/a

Which Years Hold Standing Records

0 standing records
Standing records at Semaphore 1 by the year they were set 0 records at Semaphore 1 still stand. 00000000000
0 records at Semaphore 1 still stand.
Standing records at Semaphore 1 by the year they were set
Year setStanding records

Wettest Day of Each Month

Jun: 73.7 mm (2.9 in)
Record daily precipitation for each month at Semaphore 1 The wettest day on record for each calendar month at Semaphore 1. The most was 73.7 mm (2.9 in) on 1 June 1920. 020406080 Jan: 36.8 mm (1.4 in), 2 January 1921 Jan Feb: 60.7 mm (2.4 in), 14 February 1913 Feb Mar: 32.5 mm (1.3 in), 5 March 1910 Mar Apr: 38.1 mm (1.5 in), 14 April 1920 Apr May: 38.1 mm (1.5 in), 26 May 1910 May Jun: 73.7 mm (2.9 in), 1 June 1920 Jun Jul: 22.1 mm (0.9 in), 27 July 1910 Jul Aug: 26.9 mm (1.1 in), 19 August 1909 Aug Sep: 38.4 mm (1.5 in), 22 September 1923 Sep Oct: 45.7 mm (1.8 in), 16 October 1908 Oct Nov: 27.9 mm (1.1 in), 5 November 1921 Nov Dec: 50.8 mm (2.0 in), 27 December 1920 Dec
The wettest day on record for each calendar month at Semaphore 1. The most was 73.7 mm (2.9 in) on 1 June 1920.
Record daily precipitation for each month at Semaphore 1
MonthRecord daily precipitation (mm)Date
Jan36.8 mm (1.4 in)2 January 1921
Feb60.7 mm (2.4 in)14 February 1913
Mar32.5 mm (1.3 in)5 March 1910
Apr38.1 mm (1.5 in)14 April 1920
May38.1 mm (1.5 in)26 May 1910
Jun73.7 mm (2.9 in)1 June 1920
Jul22.1 mm (0.9 in)27 July 1910
Aug26.9 mm (1.1 in)19 August 1909
Sep38.4 mm (1.5 in)22 September 1923
Oct45.7 mm (1.8 in)16 October 1908
Nov27.9 mm (1.1 in)5 November 1921
Dec50.8 mm (2.0 in)27 December 1920

Latest Records

0

No records were set at this station in the latest data.

Extremes by Year

1891 to 1924
Yearly extremes at Semaphore 1: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)73.7 mm (2.9 in)192026.9 mm (1.1 in)23
Wettest five days (Rx5day)109.4 mm (4.3 in)191045.3 mm (1.8 in)23
Longest dry spell (CDD)55 days191032 days23

Wettest day (Rx1day)

Wettest day (Rx1day) at Semaphore 1 by year The wettest day of the year at Semaphore 1, 1891 to 1924. The record is 73.7 mm (2.9 in) in 1920, marked on the chart; the median year is 26.9 mm (1.1 in). 020406080190019101920Record: 73.7 mm (2.9 in) in 1920
The wettest day of the year at Semaphore 1, 1891 to 1924. The record is 73.7 mm (2.9 in) in 1920, marked on the chart; the median year is 26.9 mm (1.1 in).
Wettest day (Rx1day) at Semaphore 1 by year
YearWettest day (Rx1day)
18910.0 mm (0.00 in)
18930.0 mm (0.00 in)
18980.0 mm (0.00 in)
19040.0 mm (0.00 in)
190629.2 mm (1.1 in)
190721.3 mm (0.8 in)
190845.7 mm (1.8 in)
190926.9 mm (1.1 in)
191038.1 mm (1.5 in)
191119.6 mm (0.8 in)
191222.1 mm (0.9 in)
191360.7 mm (2.4 in)
191423.1 mm (0.9 in)
191515.7 mm (0.6 in)
191630.5 mm (1.2 in)
191741.9 mm (1.6 in)
191828.2 mm (1.1 in)
191943.7 mm (1.7 in)
192073.7 mm (2.9 in)
192136.8 mm (1.4 in)
192220.3 mm (0.8 in)
192358.2 mm (2.3 in)
192425.4 mm (1.0 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Semaphore 1 by year The wettest five days of the year at Semaphore 1, 1891 to 1924. The record is 109.4 mm (4.3 in) in 1910, marked on the chart; the median year is 45.3 mm (1.8 in). 050100150190019101920Record: 109.4 mm (4.3 in) in 1910
The wettest five days of the year at Semaphore 1, 1891 to 1924. The record is 109.4 mm (4.3 in) in 1910, marked on the chart; the median year is 45.3 mm (1.8 in).
Wettest five days (Rx5day) at Semaphore 1 by year
YearWettest five days (Rx5day)
18910.0 mm (0.00 in)
18930.0 mm (0.00 in)
18980.0 mm (0.00 in)
19040.0 mm (0.00 in)
190657.7 mm (2.3 in)
190739.9 mm (1.6 in)
190874.7 mm (2.9 in)
190952.0 mm (2.0 in)
1910109.4 mm (4.3 in)
191129.3 mm (1.2 in)
191236.3 mm (1.4 in)
191362.3 mm (2.5 in)
191433.3 mm (1.3 in)
191535.1 mm (1.4 in)
191669.1 mm (2.7 in)
191748.5 mm (1.9 in)
191835.3 mm (1.4 in)
191971.7 mm (2.8 in)
192092.3 mm (3.6 in)
192145.3 mm (1.8 in)
192240.1 mm (1.6 in)
192389.6 mm (3.5 in)
192447.7 mm (1.9 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Semaphore 1 by year The longest dry spell of the year at Semaphore 1, 1891 to 1924. The record is 55 days in 1910, marked on the chart; the median year is 32 days. 102030405060190019101920Record: 55 days in 1910
The longest dry spell of the year at Semaphore 1, 1891 to 1924. The record is 55 days in 1910, marked on the chart; the median year is 32 days.
Longest dry spell (CDD) at Semaphore 1 by year
YearLongest dry spell (CDD)
189128 days
189328 days
189831 days
190431 days
190631 days
190729 days
190830 days
190931 days
191055 days
191126 days
191233 days
191332 days
191435 days
191546 days
191646 days
191721 days
191841 days
191936 days
192050 days
192132 days
192240 days
192336 days
192419 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

  • Data for Semaphore 1 standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Semaphore 1 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).