Built 2026-10-19 (19 October 2026)

Last Mountain CS Threshold Days by Year (CA004014156)

15 fixed thresholds counted per year at Last Mountain CS (CA004014156): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Last Mountain CS Thresholds

  • Last Mountain CS: days with a maximum temperature at or above 30 C (86 F) in 8 years, most in 1979 with 21.
  • Last Mountain CS: days with a maximum temperature at or above 90 F (32.2 C) in 8 years, most in 1980 with 10.
  • Last Mountain CS: days with a maximum temperature at or below 0 C (32 F) in 8 years, most in 1982 with 125.
  • Last Mountain CS: nights with a minimum temperature at or below 0 C (32 F) in 8 years, most in 1979 with 218.
  • 15 fixed thresholds have at least one qualifying day at Last Mountain CS.
8 years with a qualifying day
Days at or above 30 C (86 F) per year at Last Mountain CS Days per year at Last Mountain CS with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 21 in 1979. 01020301976: 91977: 41978: 171979: 211980: 211981: 131982: 91983: 2119761977197819791980198119821983
Days per year at Last Mountain CS with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 21 in 1979.
Days at or above 30 C (86 F) per year at Last Mountain CS
YearDaysDecade average
1976912.8
1977412.8
19781712.8
19792112.8
19802116
19811316
1982916
19832116
First to last qualifying date each year at Last Mountain CS For each year, a bar from the first to the last day at Last Mountain CS meeting 30 C (86 F). 1976: 26 July 1976 to 11 September 19761977: 22 June 1977 to 22 July 19771978: 15 May 1978 to 4 September 19781979: 7 July 1979 to 16 September 19791980: 20 April 1980 to 7 September 19801981: 21 May 1981 to 18 September 19811982: 22 June 1982 to 8 September 19821983: 10 June 1983 to 1 September 198319761977197819791980198119821983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Last Mountain CS meeting 30 C (86 F).
First to last qualifying date each year at Last Mountain CS
YearFirst dateLast date
19761976-07-261976-09-11
19771977-06-221977-07-22
19781978-05-151978-09-04
19791979-07-071979-09-16
19801980-04-201980-09-07
19811981-05-211981-09-18
19821982-06-221982-09-08
19831983-06-101983-09-01

Every Fixed Threshold

Fixed thresholds at Last Mountain CS
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days821197921
35 C (95 F): Days6319803
90 F (32.2 C): Days81019809
100 F (37.8 C): Days2119791
0 C (32 F): Ice days (max81251982115
0 C (32 F): Frost days (min82181979211
-10 C (14 F): Days with min81391979102
-20 C (-4 F): Days with min887197853
-30 C (-22 F): Days with min835197819
-40 C (-40 F): Days with min5219781
20 C (68 F): Tropical nights (min2119811
10 mm (0.39 in): Days with 10 mm or more rain811198311
25 mm (0.98 in): Days with 25 mm or more rain7419813
50 mm (1.97 in): Days with 50 mm or more rain2119781
10 cm (3.9 in): Days with 10 cm or more snowfall4419761

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1976.

Download the Data

  • Data for Last Mountain CS 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 (2026-10-17).