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Proton Station Weather Records (CA006116750)

Record envelope, standing records and threshold days for Proton Station (CA006116750), Ontario, Canada, with 34 years of record.

Key Facts for Proton Station

  • Proton Station (CA006116750) is a weather station in Ontario, Canada at 44.17 latitude and -80.52 longitude, 480 m (1,575 ft) above sea level.
  • The station reports from 1969 to 2002, 34 years of record.
  • 1,464 records set at Proton Station still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Ontario, Canada, 44.17 latitude, -80.52 longitude.
  • Elevation: 480 m (1,575 ft).
  • Period of record: 1969 to 2002, 34 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Proton Station, with 2026 drawn through them The band shows the record high and record low for each calendar day at Proton Station. 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 Proton Station. 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 Proton Station, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan8.3 C (46.9 F)-37.2 C (-35.0 F)n/an/a
Feb8.5 C (47.3 F)-37.0 C (-34.6 F)n/an/a
Mar20.0 C (68.0 F)-36.0 C (-32.8 F)n/an/a
Apr26.1 C (79.0 F)-21.7 C (-7.1 F)n/an/a
May30.0 C (86.0 F)-5.0 C (23.0 F)n/an/a
Jun30.0 C (86.0 F)-2.2 C (28.0 F)n/an/a
Jul31.7 C (89.1 F)0.5 C (32.9 F)n/an/a
Aug31.1 C (88.0 F)-1.0 C (30.2 F)n/an/a
Sep30.6 C (87.1 F)-5.0 C (23.0 F)n/an/a
Oct26.1 C (79.0 F)-12.2 C (10.0 F)n/an/a
Nov19.4 C (66.9 F)-19.4 C (-2.9 F)n/an/a
Dec17.0 C (62.6 F)-31.0 C (-23.8 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Proton Station by the year they were set 1,464 records at Proton Station still stand. 1976 holds the most, with 127. 0501001501970: 541971: 1101972: 1061973: 1231974: 951975: 971976: 1271977: 1131978: 981979: 1221980: 961981: 1031982: 1031983: 1171970197219741976197819801982
1,464 records at Proton Station still stand. 1976 holds the most, with 127.
Standing records at Proton Station by the year they were set
Year setStanding records
197054
1971110
1972106
1973123
197495
197597
1976127
1977113
197898
1979122
198096
1981103
1982103
1983117

Wettest Day of Each Month

Jul: 83.4 mm (3.3 in)
Record daily precipitation for each month at Proton Station The wettest day on record for each calendar month at Proton Station. The most was 83.4 mm (3.3 in) on 20 July 1980. 0255075100 Jan: 33.5 mm (1.3 in), 28 January 1970 Jan Feb: 46.0 mm (1.8 in), 10 February 1981 Feb Mar: 33.0 mm (1.3 in), 4 March 1974 Mar Apr: 48.6 mm (1.9 in), 13 April 1979 Apr May: 38.8 mm (1.5 in), 10 May 1981 May Jun: 55.1 mm (2.2 in), 13 June 1971 Jun Jul: 83.4 mm (3.3 in), 20 July 1980 Jul Aug: 69.6 mm (2.7 in), 26 August 1974 Aug Sep: 40.5 mm (1.6 in), 20 September 1983 Sep Oct: 35.6 mm (1.4 in), 22 October 1972 Oct Nov: 27.4 mm (1.1 in), 1 November 1969 Nov Dec: 36.0 mm (1.4 in), 6 December 1983 Dec
The wettest day on record for each calendar month at Proton Station. The most was 83.4 mm (3.3 in) on 20 July 1980.
Record daily precipitation for each month at Proton Station
MonthRecord daily precipitation (mm)Date
Jan33.5 mm (1.3 in)28 January 1970
Feb46.0 mm (1.8 in)10 February 1981
Mar33.0 mm (1.3 in)4 March 1974
Apr48.6 mm (1.9 in)13 April 1979
May38.8 mm (1.5 in)10 May 1981
Jun55.1 mm (2.2 in)13 June 1971
Jul83.4 mm (3.3 in)20 July 1980
Aug69.6 mm (2.7 in)26 August 1974
Sep40.5 mm (1.6 in)20 September 1983
Oct35.6 mm (1.4 in)22 October 1972
Nov27.4 mm (1.1 in)1 November 1969
Dec36.0 mm (1.4 in)6 December 1983

Period of Record Coverage

1970 to 1983
Days with data per year at Proton Station 14 years of record at Proton Station, 1970 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1970. 1970: 203 of 365 days1971: 365 of 365 days1972: 366 of 366 days1973: 365 of 365 days1974: 365 of 365 days1975: 364 of 365 days1976: 366 of 366 days1977: 365 of 365 days1978: 364 of 365 days1979: 365 of 365 days1980: 366 of 366 days1981: 365 of 365 days1982: 362 of 365 days1983: 364 of 365 days197019751980
14 years of record at Proton Station, 1970 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1970.
Days with data per year at Proton Station
YearDays with dataShare of yearComplete
197020356%No
1971365100%Yes
1972366100%Yes
1973365100%Yes
1974365100%Yes
1975364100%Yes
1976366100%Yes
1977365100%Yes
1978364100%Yes
1979365100%Yes
1980366100%Yes
1981365100%Yes
198236299%Yes
1983364100%Yes

Latest Records

0

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

Climate Trend

13 complete years, 1971 to 1983
Annual mean temperature at Proton Station as warming stripes, 1971 to 1983 One stripe for each of 13 complete years at Proton Station, 1971 to 1983. Blue stripes are years cooler than the station's own mean of 4.7 C (40.4 F); red stripes are warmer. The coolest year was 1978, at 3.7 C (38.6 F), and the warmest was 1973, at 5.9 C (42.6 F). The strongest colour marks a difference of 1.3 C (2.3 F). 1971: 4.9 C, +0.2 C from the station mean1972: 3.8 C, -0.9 C from the station mean1973: 5.9 C, +1.2 C from the station mean1974: 4.6 C, -0.1 C from the station mean1975: 5.3 C, +0.6 C from the station mean1976: 4.2 C, -0.5 C from the station mean1977: 4.9 C, +0.2 C from the station mean1978: 3.7 C, -1.0 C from the station mean1979: 4.5 C, -0.2 C from the station mean1980: 4.1 C, -0.6 C from the station mean1981: 4.7 C, 0.0 C from the station mean1982: 4.8 C, +0.2 C from the station mean1983: 5.4 C, +0.7 C from the station mean1971197219741976197819801982
One stripe for each of 13 complete years at Proton Station, 1971 to 1983. Blue stripes are years cooler than the station's own mean of 4.7 C (40.4 F); red stripes are warmer. The coolest year was 1978, at 3.7 C (38.6 F), and the warmest was 1973, at 5.9 C (42.6 F). The strongest colour marks a difference of 1.3 C (2.3 F).
Annual mean temperature at Proton Station as warming stripes, 1971 to 1983
YearAnnual mean temperatureDifference from the station mean
19714.9 C+0.25 C
19723.8 C-0.86 C
19735.9 C+1.25 C
19744.6 C-0.08 C
19755.3 C+0.63 C
19764.2 C-0.50 C
19774.9 C+0.21 C
19783.7 C-0.99 C
19794.5 C-0.19 C
19804.1 C-0.60 C
19814.7 C+0.01 C
19824.8 C+0.16 C
19835.4 C+0.75 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1969 to 1983
Yearly extremes at Proton Station: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)31.7 C (89.1 F)197729.5 C (85.1 F)14
Coldest night (TNn)-37.2 C (-35.0 F)1977-31.0 C (-23.9 F)14
Wettest day (Rx1day)83.4 mm (3.3 in)198046.0 mm (1.8 in)15
Wettest five days (Rx5day)95.0 mm (3.7 in)198074.8 mm (2.9 in)15
Longest dry spell (CDD)21 days197813 days15

Hottest day (TXx)

Hottest day (TXx) at Proton Station by year The hottest day of the year at Proton Station, 1969 to 1983. The record is 31.7 C (89.1 F) in 1977, marked on the chart; the median year is 29.5 C (85.1 F). 2829303132197019751980Record: 31.7 C (89.1 F) in 1977
The hottest day of the year at Proton Station, 1969 to 1983. The record is 31.7 C (89.1 F) in 1977, marked on the chart; the median year is 29.5 C (85.1 F).
Hottest day (TXx) at Proton Station by year
YearHottest day (TXx)
1969n/a
197028.9 C (84.0 F)
197130.0 C (86.0 F)
197228.3 C (82.9 F)
197330.6 C (87.1 F)
197430.0 C (86.0 F)
197531.1 C (88.0 F)
197628.9 C (84.0 F)
197731.7 C (89.1 F)
197829.5 C (85.1 F)
197929.5 C (85.1 F)
198028.5 C (83.3 F)
198129.0 C (84.2 F)
198228.5 C (83.3 F)
198330.0 C (86.0 F)

Coldest night (TNn)

Coldest night (TNn) at Proton Station by year The coldest night of the year at Proton Station, 1969 to 1983. The record is -37.2 C (-35.0 F) in 1977, marked on the chart; the median year is -31.0 C (-23.9 F). -40-35-30-25197019751980Record: -37.2 C (-35.0 F) in 1977
The coldest night of the year at Proton Station, 1969 to 1983. The record is -37.2 C (-35.0 F) in 1977, marked on the chart; the median year is -31.0 C (-23.9 F).
Coldest night (TNn) at Proton Station by year
YearColdest night (TNn)
1969n/a
1970-26.7 C (-16.1 F)
1971-26.1 C (-15.0 F)
1972-27.2 C (-17.0 F)
1973-30.6 C (-23.1 F)
1974-29.4 C (-20.9 F)
1975-28.3 C (-18.9 F)
1976-35.6 C (-32.1 F)
1977-37.2 C (-35.0 F)
1978-36.0 C (-32.8 F)
1979-37.0 C (-34.6 F)
1980-36.0 C (-32.8 F)
1981-32.0 C (-25.6 F)
1982-31.5 C (-24.7 F)
1983-29.5 C (-21.1 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Proton Station by year The wettest day of the year at Proton Station, 1969 to 1983. The record is 83.4 mm (3.3 in) in 1980, marked on the chart; the median year is 46.0 mm (1.8 in). 20406080100197019751980Record: 83.4 mm (3.3 in) in 1980
The wettest day of the year at Proton Station, 1969 to 1983. The record is 83.4 mm (3.3 in) in 1980, marked on the chart; the median year is 46.0 mm (1.8 in).
Wettest day (Rx1day) at Proton Station by year
YearWettest day (Rx1day)
196935.1 mm (1.4 in)
197055.4 mm (2.2 in)
197155.1 mm (2.2 in)
197235.6 mm (1.4 in)
197327.9 mm (1.1 in)
197469.6 mm (2.7 in)
197541.4 mm (1.6 in)
197632.8 mm (1.3 in)
197768.6 mm (2.7 in)
197832.7 mm (1.3 in)
197948.6 mm (1.9 in)
198083.4 mm (3.3 in)
198146.0 mm (1.8 in)
198248.8 mm (1.9 in)
198341.6 mm (1.6 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Proton Station by year The wettest five days of the year at Proton Station, 1969 to 1983. The record is 95.0 mm (3.7 in) in 1980, marked on the chart; the median year is 74.8 mm (2.9 in). 406080100197019751980Record: 95.0 mm (3.7 in) in 1980
The wettest five days of the year at Proton Station, 1969 to 1983. The record is 95.0 mm (3.7 in) in 1980, marked on the chart; the median year is 74.8 mm (2.9 in).
Wettest five days (Rx5day) at Proton Station by year
YearWettest five days (Rx5day)
196960.2 mm (2.4 in)
197080.0 mm (3.1 in)
197159.2 mm (2.3 in)
197260.9 mm (2.4 in)
197354.1 mm (2.1 in)
197473.2 mm (2.9 in)
197582.4 mm (3.2 in)
197679.2 mm (3.1 in)
197787.1 mm (3.4 in)
197857.5 mm (2.3 in)
197972.5 mm (2.9 in)
198095.0 mm (3.7 in)
198185.2 mm (3.4 in)
198274.8 mm (2.9 in)
198386.7 mm (3.4 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Proton Station by year The longest dry spell of the year at Proton Station, 1969 to 1983. The record is 21 days in 1978, marked on the chart; the median year is 13 days. 1012.51517.52022.5197019751980Record: 21 days in 1978
The longest dry spell of the year at Proton Station, 1969 to 1983. The record is 21 days in 1978, marked on the chart; the median year is 13 days.
Longest dry spell (CDD) at Proton Station by year
YearLongest dry spell (CDD)
196918 days
197013 days
197112 days
197212 days
197320 days
197411 days
197513 days
197611 days
197719 days
197821 days
197916 days
198012 days
198113 days
198216 days
198312 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 Proton Station standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Proton Station 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-14).