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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Mount Sandiman Threshold Days by Year

5 fixed thresholds counted per year at Mount Sandiman (ASN00006042): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mount Sandiman Thresholds

  • Mount Sandiman: days with 10 mm (0.39 in) or more of precipitation in 22 years, most in 1999 with 15.
  • Mount Sandiman: days with 25 mm (0.98 in) or more of precipitation in 20 years, most in 1999 with 7.
  • Mount Sandiman: days with 50 mm (1.97 in) or more of precipitation in 9 years, most in 1948 with 2.
  • Mount Sandiman: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 2000 with 2.
  • 5 fixed thresholds have at least one qualifying day at Mount Sandiman.
22 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mount Sandiman Days per year at Mount Sandiman with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 15 in 1999. 0510151948: 101949: 131953: 81954: 11955: 51956: 11957: 41958: 51960: 71961: 51962: 51963: 141964: 91965: 101966: 91967: 51968: 131969: 51971: 131972: 61999: 152000: 1419481954195719611964196719712000
Days per year at Mount Sandiman with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 15 in 1999.
Days with 10 mm (0.39 in) or more of precipitation per year at Mount Sandiman
YearDaysDecade average
19481011.5
19491311.5
195384
195414
195554
195614
195744
195854
196078.2
196158.2
196258.2
1963148.2
196498.2
1965108.2
196698.2
196758.2
1968138.2
196958.2
1971139.5
197269.5
19991515
20001414
First to last qualifying date each year at Mount Sandiman For each year, a bar from the first to the last day at Mount Sandiman meeting 10 mm (0.39 in). 1948: 4 February 1948 to 19 July 19481949: 12 February 1949 to 5 August 19491953: 21 January 1953 to 6 July 19531954: 20 June 1954 to 20 June 19541955: 20 January 1955 to 10 August 19551956: 31 August 1956 to 31 August 19561957: 26 January 1957 to 6 June 19571958: 22 January 1958 to 23 May 19581960: 17 January 1960 to 24 July 19601961: 5 January 1961 to 30 August 19611962: 20 January 1962 to 14 December 19621963: 8 January 1963 to 27 May 19631964: 17 February 1964 to 18 July 19641965: 9 January 1965 to 9 August 19651966: 5 February 1966 to 15 November 19661967: 22 January 1967 to 21 May 19671968: 28 January 1968 to 24 June 19681969: 20 February 1969 to 14 June 19691971: 26 January 1971 to 16 August 19711972: 13 February 1972 to 10 December 19721999: 17 January 1999 to 7 September 19992000: 23 January 2000 to 30 November 200019481954195719611964196719712000JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mount Sandiman meeting 10 mm (0.39 in).
First to last qualifying date each year at Mount Sandiman
YearFirst dateLast date
19481948-02-041948-07-19
19491949-02-121949-08-05
19531953-01-211953-07-06
19541954-06-201954-06-20
19551955-01-201955-08-10
19561956-08-311956-08-31
19571957-01-261957-06-06
19581958-01-221958-05-23
19601960-01-171960-07-24
19611961-01-051961-08-30
19621962-01-201962-12-14
19631963-01-081963-05-27
19641964-02-171964-07-18
19651965-01-091965-08-09
19661966-02-051966-11-15
19671967-01-221967-05-21
19681968-01-281968-06-24
19691969-02-201969-06-14
19711971-01-261971-08-16
19721972-02-131972-12-10
19991999-01-171999-09-07
20002000-01-232000-11-30

Every Fixed Threshold

Fixed thresholds at Mount Sandiman
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2215199914
25 mm (0.98 in): Days with 25 mm or more rain20719997
50 mm (1.97 in): Days with 50 mm or more rain9219482
100 mm (3.94 in): Days with 100 mm or more rain2220002
200 mm (7.87 in): Days with 200 mm or more rain1119611

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

  • Data for Mount Sandiman 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 (2025-12-31).