Built 2026-10-19 (19 October 2026)

Macdonald Threshold Days by Year (CA005041670)

5 fixed thresholds counted per year at Macdonald (CA005041670): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Macdonald Thresholds

  • Macdonald: days with 10 mm (0.39 in) or more of precipitation in 16 years, most in 1973 with 22.
  • Macdonald: days with 25 mm (0.98 in) or more of precipitation in 13 years, most in 1975 with 5.
  • Macdonald: days with 10 cm (3.9 in) or more of snowfall in 13 years, most in 1970 with 3.
  • Macdonald: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1969 with 1.
  • 5 fixed thresholds have at least one qualifying day at Macdonald.
16 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Macdonald Days per year at Macdonald with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 22 in 1973. 01020301968: 131969: 131970: 151971: 191972: 71973: 221974: 131975: 201976: 41977: 161978: 141979: 131980: 91981: 111982: 131983: 1019681970197219741976197819801982
Days per year at Macdonald with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 22 in 1973.
Days with 10 mm (0.39 in) or more of precipitation per year at Macdonald
YearDaysDecade average
19681313
19691313
19701514.3
19711914.3
1972714.3
19732214.3
19741314.3
19752014.3
1976414.3
19771614.3
19781414.3
19791314.3
1980910.8
19811110.8
19821310.8
19831010.8
First to last qualifying date each year at Macdonald For each year, a bar from the first to the last day at Macdonald meeting 10 mm (0.39 in). 1968: 28 January 1968 to 2 September 19681969: 25 April 1969 to 31 December 19691970: 14 January 1970 to 21 September 19701971: 31 March 1971 to 30 October 19711972: 12 June 1972 to 28 December 19721973: 4 May 1973 to 8 December 19731974: 25 January 1974 to 9 September 19741975: 24 January 1975 to 28 November 19751976: 19 March 1976 to 13 June 19761977: 3 May 1977 to 20 November 19771978: 24 January 1978 to 28 December 19781979: 25 March 1979 to 10 September 19791980: 10 January 1980 to 16 October 19801981: 23 May 1981 to 12 October 19811982: 17 May 1982 to 1 December 19821983: 2 March 1983 to 11 October 198319681970197219741976197819801982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Macdonald meeting 10 mm (0.39 in).
First to last qualifying date each year at Macdonald
YearFirst dateLast date
19681968-01-281968-09-02
19691969-04-251969-12-31
19701970-01-141970-09-21
19711971-03-311971-10-30
19721972-06-121972-12-28
19731973-05-041973-12-08
19741974-01-251974-09-09
19751975-01-241975-11-28
19761976-03-191976-06-13
19771977-05-031977-11-20
19781978-01-241978-12-28
19791979-03-251979-09-10
19801980-01-101980-10-16
19811981-05-231981-10-12
19821982-05-171982-12-01
19831983-03-021983-10-11

Every Fixed Threshold

Fixed thresholds at Macdonald
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1622197310
25 mm (0.98 in): Days with 25 mm or more rain13519753
50 mm (1.97 in): Days with 50 mm or more rain3119691
100 mm (3.94 in): Days with 100 mm or more rain1119801
10 cm (3.9 in): Days with 10 cm or more snowfall13319701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Macdonald 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).