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Built 2026-10-19 (19 October 2026)

Petitot Lo Weather Records (CA003075171)

Record envelope, standing records and threshold days for Petitot Lo (CA003075171), Alberta, Canada, with 38 years of record.

Key Facts for Petitot Lo

  • Petitot Lo (CA003075171) is a weather station in Alberta, Canada at 59.53 latitude and -119.62 longitude, 777 m (2,549 ft) above sea level.
  • The station reports from 1974 to 2011, 38 years of record.
  • 562 records set at Petitot Lo still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Alberta, Canada, 59.53 latitude, -119.62 longitude.
  • Elevation: 777 m (2,549 ft).
  • Period of record: 1974 to 2011, 38 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Petitot Lo, with 2026 drawn through them The band shows the record high and record low for each calendar day at Petitot Lo. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Petitot Lo. 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 Petitot Lo, 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
Apr20.0 C (68.0 F)-27.0 C (-16.6 F)n/an/a
May25.0 C (77.0 F)-22.0 C (-7.6 F)n/an/a
Jun29.0 C (84.2 F)-5.0 C (23.0 F)n/an/a
Jul31.0 C (87.8 F)0.0 C (32.0 F)n/an/a
Aug31.0 C (87.8 F)-5.0 C (23.0 F)n/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

562 standing records
Standing records at Petitot Lo by the year they were set 562 records at Petitot Lo still stand. 1981 holds the most, with 133. 0501001501974: 291975: 331976: 481977: 351978: 681979: 521980: 651981: 1331982: 711983: 281974197519761977197819791980198119821983
562 records at Petitot Lo still stand. 1981 holds the most, with 133.
Standing records at Petitot Lo by the year they were set
Year setStanding records
197429
197533
197648
197735
197868
197952
198065
1981133
198271
198328

Wettest Day of Each Month

Jul: 92.7 mm (3.6 in)
Record daily precipitation for each month at Petitot Lo The wettest day on record for each calendar month at Petitot Lo. The most was 92.7 mm (3.6 in) on 17 July 1977. 0255075100 Apr: 45.7 mm (1.8 in), 25 April 1981 Apr May: 52.1 mm (2.1 in), 31 May 1976 May Jun: 56.3 mm (2.2 in), 2 June 1977 Jun Jul: 92.7 mm (3.6 in), 17 July 1977 Jul Aug: 48.1 mm (1.9 in), 1 August 1979 Aug
The wettest day on record for each calendar month at Petitot Lo. The most was 92.7 mm (3.6 in) on 17 July 1977.
Record daily precipitation for each month at Petitot Lo
MonthRecord daily precipitation (mm)Date
Apr45.7 mm (1.8 in)25 April 1981
May52.1 mm (2.1 in)31 May 1976
Jun56.3 mm (2.2 in)2 June 1977
Jul92.7 mm (3.6 in)17 July 1977
Aug48.1 mm (1.9 in)1 August 1979

Period of Record Coverage

1974 to 1983
Days with data per year at Petitot Lo 10 years of record at Petitot Lo, 1974 to 1983. 10 years have data for under 90 percent of days and are left out of rankings: 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981 and others. 1974: 74 of 365 days1975: 91 of 365 days1976: 115 of 366 days1977: 99 of 365 days1978: 106 of 365 days1979: 117 of 365 days1980: 123 of 366 days1981: 136 of 365 days1982: 123 of 365 days1983: 105 of 365 days19751980
10 years of record at Petitot Lo, 1974 to 1983. 10 years have data for under 90 percent of days and are left out of rankings: 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981 and others.
Days with data per year at Petitot Lo
YearDays with dataShare of yearComplete
19747420%No
19759125%No
197611531%No
19779927%No
197810629%No
197911732%No
198012334%No
198113637%No
198212334%No
198310529%No

Latest Records

0

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

Extremes by Year

1974 to 1983
Yearly extremes at Petitot Lo: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)31.0 C (87.8 F)198127.9 C (82.2 F)10
Coldest night (TNn)-27.0 C (-16.6 F)1981-11.0 C (12.2 F)10
Wettest day (Rx1day)92.7 mm (3.6 in)197742.3 mm (1.7 in)10
Wettest five days (Rx5day)119.3 mm (4.7 in)197768.5 mm (2.7 in)10
Longest dry spell (CDD)16 days198111 days10

Hottest day (TXx)

Hottest day (TXx) at Petitot Lo by year The hottest day of the year at Petitot Lo, 1974 to 1983. The record is 31.0 C (87.8 F) in 1981, marked on the chart; the median year is 27.9 C (82.2 F). 242628303219751980Record: 31.0 C (87.8 F) in 1981
The hottest day of the year at Petitot Lo, 1974 to 1983. The record is 31.0 C (87.8 F) in 1981, marked on the chart; the median year is 27.9 C (82.2 F).
Hottest day (TXx) at Petitot Lo by year
YearHottest day (TXx)
197427.8 C (82.0 F)
197530.0 C (86.0 F)
197625.0 C (77.0 F)
197725.0 C (77.0 F)
197825.0 C (77.0 F)
197927.0 C (80.6 F)
198028.0 C (82.4 F)
198131.0 C (87.8 F)
198229.0 C (84.2 F)
198328.0 C (82.4 F)

Coldest night (TNn)

Coldest night (TNn) at Petitot Lo by year The coldest night of the year at Petitot Lo, 1974 to 1983. The record is -27.0 C (-16.6 F) in 1981, marked on the chart; the median year is -11.0 C (12.2 F). -30-20-10019751980Record: -27.0 C (-16.6 F) in 1981
The coldest night of the year at Petitot Lo, 1974 to 1983. The record is -27.0 C (-16.6 F) in 1981, marked on the chart; the median year is -11.0 C (12.2 F).
Coldest night (TNn) at Petitot Lo by year
YearColdest night (TNn)
1974-1.1 C (30.0 F)
1975-1.1 C (30.0 F)
1976-3.9 C (25.0 F)
1977-11.0 C (12.2 F)
1978-22.0 C (-7.6 F)
1979-11.0 C (12.2 F)
1980-16.0 C (3.2 F)
1981-27.0 C (-16.6 F)
1982-18.0 C (-0.4 F)
1983-5.0 C (23.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Petitot Lo by year The wettest day of the year at Petitot Lo, 1974 to 1983. The record is 92.7 mm (3.6 in) in 1977, marked on the chart; the median year is 42.3 mm (1.7 in). 02040608010019751980Record: 92.7 mm (3.6 in) in 1977
The wettest day of the year at Petitot Lo, 1974 to 1983. The record is 92.7 mm (3.6 in) in 1977, marked on the chart; the median year is 42.3 mm (1.7 in).
Wettest day (Rx1day) at Petitot Lo by year
YearWettest day (Rx1day)
197423.9 mm (0.9 in)
197548.5 mm (1.9 in)
197652.1 mm (2.1 in)
197792.7 mm (3.6 in)
197838.8 mm (1.5 in)
197948.1 mm (1.9 in)
198029.3 mm (1.2 in)
198145.7 mm (1.8 in)
198237.0 mm (1.5 in)
198313.2 mm (0.5 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Petitot Lo by year The wettest five days of the year at Petitot Lo, 1974 to 1983. The record is 119.3 mm (4.7 in) in 1977, marked on the chart; the median year is 68.5 mm (2.7 in). 25507510012519751980Record: 119.3 mm (4.7 in) in 1977
The wettest five days of the year at Petitot Lo, 1974 to 1983. The record is 119.3 mm (4.7 in) in 1977, marked on the chart; the median year is 68.5 mm (2.7 in).
Wettest five days (Rx5day) at Petitot Lo by year
YearWettest five days (Rx5day)
197445.2 mm (1.8 in)
197570.2 mm (2.8 in)
197696.4 mm (3.8 in)
1977119.3 mm (4.7 in)
1978108.9 mm (4.3 in)
197966.8 mm (2.6 in)
198037.0 mm (1.5 in)
198180.6 mm (3.2 in)
198260.6 mm (2.4 in)
198327.7 mm (1.1 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Petitot Lo by year The longest dry spell of the year at Petitot Lo, 1974 to 1983. The record is 16 days in 1981, marked on the chart; the median year is 11 days. 57.51012.51517.519751980Record: 16 days in 1981
The longest dry spell of the year at Petitot Lo, 1974 to 1983. The record is 16 days in 1981, marked on the chart; the median year is 11 days.
Longest dry spell (CDD) at Petitot Lo by year
YearLongest dry spell (CDD)
197410 days
197511 days
197611 days
19777 days
197810 days
19799 days
198015 days
198116 days
198212 days
198315 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 Petitot Lo standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Petitot Lo 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). Records are computed by this site and are not official.

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