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Built 2026-10-19 (19 October 2026)

Drummond Threshold Days by Year (USC00472240)

17 fixed thresholds counted per year at Drummond (USC00472240): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Drummond Thresholds

  • Drummond: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1965 with 37.
  • Drummond: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 2001 with 11.
  • Drummond: days with 10 cm (3.9 in) or more of snowfall in 30 years, most in 1964 with 13.
  • Drummond: nights with a minimum temperature at or below 0 C (32 F) in 29 years, most in 1972 with 205.
  • 17 fixed thresholds have at least one qualifying day at Drummond.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Drummond Days per year at Drummond with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 28 in 1983. 01020301963: 241964: 231965: 81966: 161967: 41968: 81969: 161970: 261971: 71972: 81980: 231981: 101982: 71983: 281989: 251991: 131992: 41993: 41994: 71995: 221996: 61997: 91998: 131999: 202000: 72001: 242002: 242003: 31963196619691972198219911994199720002003
Days per year at Drummond with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 28 in 1983.
Days at or above 30 C (86 F) per year at Drummond
YearDaysDecade average
19632414.1
19642314.1
1965814.1
19661614.1
1967414.1
1968814.1
19691614.1
19702613.7
1971713.7
1972813.7
19802318.6
19811018.6
1982718.6
19832818.6
19892518.6
19911310.9
1992410.9
1993410.9
1994710.9
19952210.9
1996610.9
1997910.9
19981310.9
19992010.9
2000714.5
20012414.5
20022414.5
2003314.5
First to last qualifying date each year at Drummond For each year, a bar from the first to the last day at Drummond meeting 30 C (86 F). 1963: 4 June 1963 to 8 September 19631964: 21 May 1964 to 5 August 19641965: 27 June 1965 to 15 August 19651966: 25 June 1966 to 17 August 19661967: 20 July 1967 to 23 July 19671968: 4 June 1968 to 23 August 19681969: 27 May 1969 to 29 August 19691970: 29 April 1970 to 15 August 19701971: 6 June 1971 to 3 September 19711972: 17 May 1972 to 29 August 19721980: 21 April 1980 to 6 August 19801981: 5 July 1981 to 14 August 19811982: 6 July 1982 to 20 August 19821983: 22 June 1983 to 3 September 19831989: 19 June 1989 to 18 September 19891991: 14 May 1991 to 29 August 19911992: 11 June 1992 to 2 October 19921993: 21 June 1993 to 26 August 19931994: 19 May 1994 to 25 August 19941995: 15 June 1995 to 30 August 19951996: 12 June 1996 to 6 August 19961997: 22 June 1997 to 3 August 19971998: 14 May 1998 to 18 September 19981999: 29 May 1999 to 4 September 19992000: 5 May 2000 to 31 July 20002001: 15 May 2001 to 9 August 20012002: 30 May 2002 to 9 September 20022003: 27 July 2003 to 19 August 20031963196719711982199219962000JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Drummond meeting 30 C (86 F).
First to last qualifying date each year at Drummond
YearFirst dateLast date
19631963-06-041963-09-08
19641964-05-211964-08-05
19651965-06-271965-08-15
19661966-06-251966-08-17
19671967-07-201967-07-23
19681968-06-041968-08-23
19691969-05-271969-08-29
19701970-04-291970-08-15
19711971-06-061971-09-03
19721972-05-171972-08-29
19801980-04-211980-08-06
19811981-07-051981-08-14
19821982-07-061982-08-20
19831983-06-221983-09-03
19891989-06-191989-09-18
19911991-05-141991-08-29
19921992-06-111992-10-02
19931993-06-211993-08-26
19941994-05-191994-08-25
19951995-06-151995-08-30
19961996-06-121996-08-06
19971997-06-221997-08-03
19981998-05-141998-09-18
19991999-05-291999-09-04
20002000-05-052000-07-31
20012001-05-152001-08-09
20022002-05-302002-09-09
20032003-07-272003-08-19

Every Fixed Threshold

Fixed thresholds at Drummond
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days282819833
35 C (95 F): Days8219631
90 F (32.2 C): Days241119951
0 C (32 F): Ice days (max28114197296
0 C (32 F): Frost days (min292051972184
-10 C (14 F): Days with min29109197081
-20 C (-4 F): Days with min2956197239
-30 C (-22 F): Days with min232119722
-40 C (-40 F): Days with min3219701
20 C (68 F): Tropical nights (min241119632
10 mm (0.39 in): Days with 10 mm or more rain3137196524
25 mm (0.98 in): Days with 25 mm or more rain311120014
50 mm (1.97 in): Days with 50 mm or more rain22219491
100 mm (3.94 in): Days with 100 mm or more rain1119921
10 cm (3.9 in): Days with 10 cm or more snowfall301319642
25 cm (9.8 in): Days with 25 cm or more snowfall9319911
50 cm (19.7 in): Days with 50 cm or more snowfall10n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

  • Data for Drummond 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).