Built 2026-10-16 (16 October 2026)

Boyne Falls Weather Records (USC00200925)

Record envelope, standing records and threshold days for Boyne Falls (USC00200925), Michigan, United States, with 66 years of record.

Key Facts for Boyne Falls

  • Boyne Falls (USC00200925) is a weather station in Michigan, United States at 45.17 latitude and -84.91 longitude, 222 m (728 ft) above sea level.
  • The station reports from 1961 to 2026, 66 years of record.
  • 1,464 records set at Boyne Falls still stand.
  • Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Boyne Falls tied a daily record high minimum temperature of 21.7 C (71.1 F) on 8 August 2026.

About the Station

  • Location: Michigan, United States, 45.17 latitude, -84.91 longitude.
  • Elevation: 222 m (728 ft).
  • Period of record: 1961 to 2026, 66 years.
  • Eligible elements: tmax, tmin, prcp, snow, snwd.

Daily Record Envelope and 2026

4 days at or beyond a record
Daily record high and record low at Boyne Falls, with 2026 drawn through them The band shows the record high and record low for each calendar day at Boyne Falls. The lines show the 2026 daily maximum and minimum. 4 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 Boyne Falls. The lines show the 2026 daily maximum and minimum. 4 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Boyne Falls, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan13.3 C (55.9 F)-35.6 C (-32.1 F)10.0 C (50.0 F)-26.7 C (-16.1 F)
Feb22.2 C (72.0 F)-37.2 C (-35.0 F)12.2 C (54.0 F)-23.9 C (-11.0 F)
Mar30.6 C (87.1 F)-31.7 C (-25.1 F)18.9 C (66.0 F)-18.9 C (-2.0 F)
Apr31.7 C (89.1 F)-21.1 C (-6.0 F)27.8 C (82.0 F)-9.4 C (15.1 F)
May35.6 C (96.1 F)-8.3 C (17.1 F)29.4 C (84.9 F)-5.0 C (23.0 F)
Jun38.9 C (102.0 F)-2.8 C (27.0 F)33.9 C (93.0 F)4.4 C (39.9 F)
Jul38.9 C (102.0 F)0.0 C (32.0 F)33.9 C (93.0 F)10.6 C (51.1 F)
Aug37.8 C (100.0 F)-2.2 C (28.0 F)31.7 C (89.1 F)8.9 C (48.0 F)
Sep35.6 C (96.1 F)-5.6 C (21.9 F)26.1 C (79.0 F)14.4 C (57.9 F)
Oct32.8 C (91.0 F)-9.4 C (15.1 F)21.1 C (70.0 F)0.0 C (32.0 F)
Nov25.6 C (78.1 F)-19.4 C (-2.9 F)n/an/a
Dec18.9 C (66.0 F)-32.2 C (-26.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Boyne Falls by the year they were set 1,464 records at Boyne Falls still stand. 2012 holds the most, with 39. 0102030401961: 81962: 181963: 301964: 311965: 321966: 251967: 261968: 321969: 171970: 151971: 151972: 181973: 251974: 241975: 191976: 301977: 281978: 151979: 231980: 171981: 271982: 271983: 221984: 151985: 151986: 211987: 111988: 261989: 281990: 231991: 251992: 211993: 111994: 261995: 191996: 171997: 101998: 271999: 182000: 202001: 212002: 252003: 152004: 152005: 342006: 172007: 262008: 162009: 182010: 292011: 152012: 392013: 192014: 252015: 382016: 182017: 352018: 282019: 132020: 232021: 282022: 292023: 292024: 312025: 152026: 61961196819751982198919962003201020172024
1,464 records at Boyne Falls still stand. 2012 holds the most, with 39.
Standing records at Boyne Falls by the year they were set
Year setStanding records
19618
196218
196330
196431
196532
196625
196726
196832
196917
197015
197115
197218
197325
197424
197519
197630
197728
197815
197923
198017
198127
198227
198322
198415
198515
198621
198711
198826
198928
199023
199125
199221
199311
199426
199519
199617
199710
199827
199918
200020
200121
200225
200315
200415
200534
200617
200726
200816
200918
201029
201115
201239
201319
201425
201538
201618
201735
201828
201913
202023
202128
202229
202329
202431
202515
20266

All-Time Record Progression

6 new records
When Boyne Falls set new all-time records 6 all-time records were set at Boyne Falls between 24 June 2005 and 30 June 2018. Each dot is a new record. Record high minimum temperatureRecord high maximum temperature24 June 2005: Record high minimum temperature 26.1 C (79.0 F)17 July 2006: Record high minimum temperature 27.2 C (81.0 F)31 July 2006: Record high maximum temperature 38.3 C (100.9 F)1 August 2006: Record high minimum temperature 27.8 C (82.0 F)21 July 2011: Record high minimum temperature 28.9 C (84.0 F)30 June 2018: Record high maximum temperature 38.9 C (102.0 F)200520102015
6 all-time records were set at Boyne Falls between 24 June 2005 and 30 June 2018. Each dot is a new record.
When Boyne Falls set new all-time records
DateKindDetail
2005-06-24Record high minimum temperatureRecord high minimum temperature 26.1 C (79.0 F)
2006-07-17Record high minimum temperatureRecord high minimum temperature 27.2 C (81.0 F)
2006-07-31Record high maximum temperatureRecord high maximum temperature 38.3 C (100.9 F)
2006-08-01Record high minimum temperatureRecord high minimum temperature 27.8 C (82.0 F)
2011-07-21Record high minimum temperatureRecord high minimum temperature 28.9 C (84.0 F)
2018-06-30Record high maximum temperatureRecord high maximum temperature 38.9 C (102.0 F)

Wettest Day of Each Month

May: 124.5 mm (4.9 in)
Record daily precipitation for each month at Boyne Falls The wettest day on record for each calendar month at Boyne Falls. The most was 124.5 mm (4.9 in) on 8 May 1963. 050100150 Jan: 44.7 mm (1.8 in), 17 January 1990 Jan Feb: 23.4 mm (0.9 in), 24 February 2017 Feb Mar: 64.8 mm (2.6 in), 29 March 2025 Mar Apr: 52.6 mm (2.1 in), 27 April 2011 Apr May: 124.5 mm (4.9 in), 8 May 1963 May Jun: 73.7 mm (2.9 in), 8 June 2011 Jun Jul: 79.0 mm (3.1 in), 20 July 1972 Jul Aug: 80.0 mm (3.1 in), 17 August 1995 Aug Sep: 83.8 mm (3.3 in), 13 September 1961 Sep Oct: 65.5 mm (2.6 in), 24 October 2017 Oct Nov: 52.1 mm (2.1 in), 27 November 1966 Nov Dec: 40.6 mm (1.6 in), 14 December 2015 Dec
The wettest day on record for each calendar month at Boyne Falls. The most was 124.5 mm (4.9 in) on 8 May 1963.
Record daily precipitation for each month at Boyne Falls
MonthRecord daily precipitation (mm)Date
Jan44.7 mm (1.8 in)17 January 1990
Feb23.4 mm (0.9 in)24 February 2017
Mar64.8 mm (2.6 in)29 March 2025
Apr52.6 mm (2.1 in)27 April 2011
May124.5 mm (4.9 in)8 May 1963
Jun73.7 mm (2.9 in)8 June 2011
Jul79.0 mm (3.1 in)20 July 1972
Aug80.0 mm (3.1 in)17 August 1995
Sep83.8 mm (3.3 in)13 September 1961
Oct65.5 mm (2.6 in)24 October 2017
Nov52.1 mm (2.1 in)27 November 1966
Dec40.6 mm (1.6 in)14 December 2015

Period of Record Coverage

1961 to 2026
Days with data per year at Boyne Falls 66 years of record at Boyne Falls, 1961 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1961, 2026. 1961: 227 of 365 days1962: 363 of 365 days1963: 365 of 365 days1964: 366 of 366 days1965: 364 of 365 days1966: 365 of 365 days1967: 365 of 365 days1968: 366 of 366 days1969: 365 of 365 days1970: 365 of 365 days1971: 334 of 365 days1972: 363 of 366 days1973: 365 of 365 days1974: 364 of 365 days1975: 363 of 365 days1976: 366 of 366 days1977: 365 of 365 days1978: 364 of 365 days1979: 364 of 365 days1980: 366 of 366 days1981: 362 of 365 days1982: 363 of 365 days1983: 361 of 365 days1984: 363 of 366 days1985: 363 of 365 days1986: 365 of 365 days1987: 361 of 365 days1988: 365 of 366 days1989: 365 of 365 days1990: 364 of 365 days1991: 363 of 365 days1992: 362 of 366 days1993: 362 of 365 days1994: 362 of 365 days1995: 365 of 365 days1996: 366 of 366 days1997: 364 of 365 days1998: 361 of 365 days1999: 357 of 365 days2000: 359 of 366 days2001: 363 of 365 days2002: 362 of 365 days2003: 361 of 365 days2004: 366 of 366 days2005: 363 of 365 days2006: 364 of 365 days2007: 361 of 365 days2008: 365 of 366 days2009: 363 of 365 days2010: 364 of 365 days2011: 364 of 365 days2012: 366 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 365 of 365 days2016: 366 of 366 days2017: 365 of 365 days2018: 364 of 365 days2019: 365 of 365 days2020: 366 of 366 days2021: 365 of 365 days2022: 365 of 365 days2023: 365 of 365 days2024: 366 of 366 days2025: 365 of 365 days2026: 248 of 365 days197019801990200020102020
66 years of record at Boyne Falls, 1961 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1961, 2026.
Days with data per year at Boyne Falls
YearDays with dataShare of yearComplete
196122762%No
196236399%Yes
1963365100%Yes
1964366100%Yes
1965364100%Yes
1966365100%Yes
1967365100%Yes
1968366100%Yes
1969365100%Yes
1970365100%Yes
197133492%Yes
197236399%Yes
1973365100%Yes
1974364100%Yes
197536399%Yes
1976366100%Yes
1977365100%Yes
1978364100%Yes
1979364100%Yes
1980366100%Yes
198136299%Yes
198236399%Yes
198336199%Yes
198436399%Yes
198536399%Yes
1986365100%Yes
198736199%Yes
1988365100%Yes
1989365100%Yes
1990364100%Yes
199136399%Yes
199236299%Yes
199336299%Yes
199436299%Yes
1995365100%Yes
1996366100%Yes
1997364100%Yes
199836199%Yes
199935798%Yes
200035998%Yes
200136399%Yes
200236299%Yes
200336199%Yes
2004366100%Yes
200536399%Yes
2006364100%Yes
200736199%Yes
2008365100%Yes
200936399%Yes
2010364100%Yes
2011364100%Yes
2012366100%Yes
2013365100%Yes
2014365100%Yes
2015365100%Yes
2016366100%Yes
2017365100%Yes
2018364100%Yes
2019365100%Yes
2020366100%Yes
2021365100%Yes
2022365100%Yes
2023365100%Yes
2024366100%Yes
2025365100%Yes
202624868%No

Latest Records

20
Latest records at Boyne Falls
DateStationRecordValueBeat old record byOld record stoodSignificance
8 August 2026Boyne Falls, USdaily high min (Tie)21.7 C (71.1 F)tie28 years3 of 100 (Routine)
22 July 2026Boyne Falls, USdaily low max (Tie)21.1 C (70.0 F)tie33 years4 of 100 (Routine)
14 July 2026Boyne Falls, USdaily high min (Tie)22.8 C (73.0 F)tie31 years3 of 100 (Routine)
9 July 2026Boyne Falls, USdaily high min (Tie)21.1 C (70.0 F)tie52 years5 of 100 (Routine)
9 June 2026Boyne Falls, USdaily rain44.2 mm (1.7 in)17.5 mm (0.7 in)52 years38 of 100 (Notable)
26 May 2026Boyne Falls, USdaily high min (Tie)18.3 C (64.9 F)tie11 years2 of 100 (Routine)
19 April 2026Boyne Falls, USdaily low max (Tie)2.8 C (37.0 F)tie4 years1 of 100 (Routine)
14 April 2026Boyne Falls, USdaily high min14.4 C (57.9 F)5.5 C (9.9 F)59 years32 of 100 (Routine)
14 April 2026Boyne Falls, USdaily rain48.8 mm (1.9 in)2.3 mm (0.09 in)8 years11 of 100 (Routine)
12 April 2026Boyne Falls, USdaily rain45.2 mm (1.8 in)15.5 mm (0.6 in)24 years34 of 100 (Routine)
2 April 2026Boyne Falls, USdaily rain20.8 mm (0.8 in)2.0 mm (0.08 in)59 years20 of 100 (Routine)
19 March 2026Boyne Falls, USdaily snow depth (Tie)55.9 cm (22.0 in)tie36 years4 of 100 (Routine)
18 March 2026Boyne Falls, USdaily low max (Tie)-3.9 C (25.0 F)tie61 years6 of 100 (Routine)
17 March 2026Boyne Falls, USdaily snow depth61.0 cm (24.0 in)2.6 cm (1.0 in)36 years18 of 100 (Routine)
16 March 2026Boyne Falls, USdaily rain33.5 mm (1.3 in)15.0 mm (0.6 in)0 years28 of 100 (Routine)
16 March 2026Boyne Falls, USdaily snow depth61.0 cm (24.0 in)5.1 cm (2.0 in)63 years26 of 100 (Routine)
16 March 2026Boyne Falls, USmonthly snowfall (Tie)35.6 cm (14.0 in)tie14 years5 of 100 (Routine)
15 March 2026Boyne Falls, USdaily snowfall25.4 cm (10.0 in)19.0 cm (7.5 in)28 years52 of 100 (Notable)
15 March 2026Boyne Falls, USdaily rain24.6 mm (1.0 in)4.3 mm (0.17 in)36 years20 of 100 (Routine)
13 March 2026Boyne Falls, USdaily snowfall17.8 cm (7.0 in)11.4 cm (4.5 in)12 years31 of 100 (Routine)

Climate Trend

63 complete years, 1962 to 2025
Annual mean temperature at Boyne Falls as warming stripes, 1962 to 2025 One stripe for each of 63 complete years at Boyne Falls, 1962 to 2025. Blue stripes are years cooler than the station's own mean of 7.6 C (45.7 F); red stripes are warmer. The coolest year was 1972, at 5.9 C (42.6 F), and the warmest was 2024, at 10.2 C (50.4 F). The strongest colour marks a difference of 2.6 C (4.7 F). 1962: 6.7 C, -0.9 C from the station mean1963: 6.6 C, -1.1 C from the station mean1964: 7.8 C, +0.2 C from the station mean1965: 6.5 C, -1.1 C from the station mean1966: 7.0 C, -0.7 C from the station mean1967: 6.5 C, -1.2 C from the station mean1968: 7.2 C, -0.5 C from the station mean1969: 6.7 C, -1.0 C from the station mean1970: 6.9 C, -0.7 C from the station mean1972: 5.9 C, -1.7 C from the station mean1973: 8.0 C, +0.3 C from the station mean1974: 6.7 C, -0.9 C from the station mean1975: 7.2 C, -0.5 C from the station mean1976: 6.1 C, -1.5 C from the station mean1977: 6.8 C, -0.8 C from the station mean1978: 6.1 C, -1.5 C from the station mean1979: 6.2 C, -1.4 C from the station mean1980: 6.2 C, -1.4 C from the station mean1981: 7.1 C, -0.5 C from the station mean1982: 6.7 C, -0.9 C from the station mean1983: 7.3 C, -0.3 C from the station mean1984: 7.3 C, -0.3 C from the station mean1985: 6.7 C, -0.9 C from the station mean1986: 7.2 C, -0.5 C from the station mean1987: 8.5 C, +0.9 C from the station mean1988: 7.1 C, -0.5 C from the station mean1989: 6.2 C, -1.4 C from the station mean1990: 8.0 C, +0.4 C from the station mean1991: 8.2 C, +0.6 C from the station mean1992: 6.6 C, -1.1 C from the station mean1993: 6.5 C, -1.1 C from the station mean1994: 6.8 C, -0.8 C from the station mean1995: 7.6 C, -0.1 C from the station mean1996: 6.7 C, -1.0 C from the station mean1997: 7.1 C, -0.6 C from the station mean1998: 9.7 C, +2.1 C from the station mean1999: 8.9 C, +1.3 C from the station mean2000: 8.2 C, +0.6 C from the station mean2001: 9.1 C, +1.4 C from the station mean2002: 8.5 C, +0.8 C from the station mean2003: 7.5 C, -0.1 C from the station mean2004: 7.8 C, +0.1 C from the station mean2005: 8.8 C, +1.2 C from the station mean2006: 9.2 C, +1.5 C from the station mean2007: 8.8 C, +1.2 C from the station mean2008: 7.8 C, +0.2 C from the station mean2009: 7.1 C, -0.5 C from the station mean2010: 9.4 C, +1.7 C from the station mean2011: 8.5 C, +0.8 C from the station mean2012: 10.0 C, +2.3 C from the station mean2013: 7.4 C, -0.3 C from the station mean2014: 6.2 C, -1.5 C from the station mean2015: 7.8 C, +0.2 C from the station mean2016: 9.4 C, +1.7 C from the station mean2017: 8.7 C, +1.0 C from the station mean2018: 8.2 C, +0.5 C from the station mean2019: 7.1 C, -0.5 C from the station mean2020: 8.8 C, +1.2 C from the station mean2021: 9.3 C, +1.7 C from the station mean2022: 8.2 C, +0.6 C from the station mean2023: 9.4 C, +1.8 C from the station mean2024: 10.2 C, +2.6 C from the station mean2025: 8.5 C, +0.9 C from the station mean1962197019801990200020102020
One stripe for each of 63 complete years at Boyne Falls, 1962 to 2025. Blue stripes are years cooler than the station's own mean of 7.6 C (45.7 F); red stripes are warmer. The coolest year was 1972, at 5.9 C (42.6 F), and the warmest was 2024, at 10.2 C (50.4 F). The strongest colour marks a difference of 2.6 C (4.7 F).
Annual mean temperature at Boyne Falls as warming stripes, 1962 to 2025
YearAnnual mean temperatureDifference from the station mean
19626.7 C-0.93 C
19636.6 C-1.06 C
19647.8 C+0.20 C
19656.5 C-1.13 C
19667.0 C-0.65 C
19676.5 C-1.15 C
19687.2 C-0.47 C
19696.7 C-0.95 C
19706.9 C-0.74 C
19725.9 C-1.73 C
19738.0 C+0.32 C
19746.7 C-0.94 C
19757.2 C-0.47 C
19766.1 C-1.49 C
19776.8 C-0.84 C
19786.1 C-1.50 C
19796.2 C-1.40 C
19806.2 C-1.39 C
19817.1 C-0.54 C
19826.7 C-0.89 C
19837.3 C-0.29 C
19847.3 C-0.31 C
19856.7 C-0.90 C
19867.2 C-0.46 C
19878.5 C+0.90 C
19887.1 C-0.51 C
19896.2 C-1.42 C
19908.0 C+0.40 C
19918.2 C+0.56 C
19926.6 C-1.05 C
19936.5 C-1.12 C
19946.8 C-0.80 C
19957.6 C-0.05 C
19966.7 C-0.97 C
19977.1 C-0.55 C
19989.7 C+2.06 C
19998.9 C+1.29 C
20008.2 C+0.57 C
20019.1 C+1.44 C
20028.5 C+0.85 C
20037.5 C-0.12 C
20047.8 C+0.12 C
20058.8 C+1.17 C
20069.2 C+1.54 C
20078.8 C+1.16 C
20087.8 C+0.18 C
20097.1 C-0.51 C
20109.4 C+1.72 C
20118.5 C+0.83 C
201210.0 C+2.32 C
20137.4 C-0.27 C
20146.2 C-1.45 C
20157.8 C+0.19 C
20169.4 C+1.74 C
20178.7 C+1.03 C
20188.2 C+0.52 C
20197.1 C-0.53 C
20208.8 C+1.16 C
20219.3 C+1.70 C
20228.2 C+0.56 C
20239.4 C+1.77 C
202410.2 C+2.59 C
20258.5 C+0.90 C

The annual mean temperature here has risen by 0.4 C (0.3 to 0.5) per decade over 1962 to 2025. In Fahrenheit: 0.7 F (0.5 to 0.9) per decade. The slope is a straight line fitted to 63 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Boyne Falls
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.4 C (0.3 to 0.5) per decade0.7 F (0.5 to 0.9) per decade1962 to 202563Rise
Mean daily maximum0.3 C (0.2 to 0.4) per decade0.5 F (0.3 to 0.7) per decade1962 to 202563Rise
Mean daily minimum0.5 C (0.4 to 0.6) per decade0.9 F (0.7 to 1.1) per decade1962 to 202563Rise

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

1961 to 2026
Yearly extremes at Boyne Falls: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)38.9 C (102.0 F)201835.0 C (95.0 F)66
Coldest night (TNn)-37.2 C (-35.0 F)1979-28.3 C (-18.9 F)66
Wettest day (Rx1day)124.5 mm (4.9 in)196349.1 mm (1.9 in)66
Wettest five days (Rx5day)155.5 mm (6.1 in)196377.5 mm (3.1 in)66
Longest dry spell (CDD)35 days196915 days66

Hottest day (TXx)

Hottest day (TXx) at Boyne Falls by year The hottest day of the year at Boyne Falls, 1961 to 2026. The record is 38.9 C (102.0 F) in 2018, marked on the chart; the median year is 35.0 C (95.0 F). 303234363840198020002020Record: 38.9 C (102.0 F) in 2018
The hottest day of the year at Boyne Falls, 1961 to 2026. The record is 38.9 C (102.0 F) in 2018, marked on the chart; the median year is 35.0 C (95.0 F).
Hottest day (TXx) at Boyne Falls by year
YearHottest day (TXx)
196132.8 C (91.0 F)
196232.8 C (91.0 F)
196336.1 C (97.0 F)
196436.1 C (97.0 F)
196535.6 C (96.1 F)
196635.6 C (96.1 F)
196732.2 C (90.0 F)
196835.0 C (95.0 F)
196932.8 C (91.0 F)
197035.6 C (96.1 F)
197136.7 C (98.1 F)
197232.8 C (91.0 F)
197335.0 C (95.0 F)
197433.9 C (93.0 F)
197535.6 C (96.1 F)
197635.0 C (95.0 F)
197736.7 C (98.1 F)
197834.4 C (93.9 F)
197932.8 C (91.0 F)
198032.8 C (91.0 F)
198135.0 C (95.0 F)
198233.3 C (91.9 F)
198335.0 C (95.0 F)
198433.3 C (91.9 F)
198532.2 C (90.0 F)
198633.9 C (93.0 F)
198735.6 C (96.1 F)
198837.2 C (99.0 F)
198933.9 C (93.0 F)
199031.7 C (89.1 F)
199136.1 C (97.0 F)
199232.2 C (90.0 F)
199333.9 C (93.0 F)
199435.6 C (96.1 F)
199535.6 C (96.1 F)
199633.9 C (93.0 F)
199734.4 C (93.9 F)
199834.4 C (93.9 F)
199935.0 C (95.0 F)
200033.3 C (91.9 F)
200136.1 C (97.0 F)
200235.0 C (95.0 F)
200335.6 C (96.1 F)
200433.3 C (91.9 F)
200535.6 C (96.1 F)
200638.3 C (100.9 F)
200736.7 C (98.1 F)
200834.4 C (93.9 F)
200936.1 C (97.0 F)
201035.0 C (95.0 F)
201135.6 C (96.1 F)
201236.1 C (97.0 F)
201336.1 C (97.0 F)
201432.2 C (90.0 F)
201535.0 C (95.0 F)
201636.1 C (97.0 F)
201735.6 C (96.1 F)
201838.9 C (102.0 F)
201934.4 C (93.9 F)
202035.6 C (96.1 F)
202136.1 C (97.0 F)
202235.6 C (96.1 F)
202335.6 C (96.1 F)
202434.4 C (93.9 F)
202536.1 C (97.0 F)
202633.9 C (93.0 F)

Coldest night (TNn)

Coldest night (TNn) at Boyne Falls by year The coldest night of the year at Boyne Falls, 1961 to 2026. The record is -37.2 C (-35.0 F) in 1979, marked on the chart; the median year is -28.3 C (-18.9 F). -40-35-30-25-20-15198020002020Record: -37.2 C (-35.0 F) in 1979
The coldest night of the year at Boyne Falls, 1961 to 2026. The record is -37.2 C (-35.0 F) in 1979, marked on the chart; the median year is -28.3 C (-18.9 F).
Coldest night (TNn) at Boyne Falls by year
YearColdest night (TNn)
1961-18.9 C (-2.0 F)
1962-32.2 C (-26.0 F)
1963-32.2 C (-26.0 F)
1964-25.6 C (-14.1 F)
1965-29.4 C (-20.9 F)
1966-27.2 C (-17.0 F)
1967-28.9 C (-20.0 F)
1968-28.9 C (-20.0 F)
1969-28.3 C (-18.9 F)
1970-31.7 C (-25.1 F)
1971-30.0 C (-22.0 F)
1972-28.3 C (-18.9 F)
1973-28.3 C (-18.9 F)
1974-28.9 C (-20.0 F)
1975-27.8 C (-18.0 F)
1976-35.6 C (-32.1 F)
1977-32.8 C (-27.0 F)
1978-30.0 C (-22.0 F)
1979-37.2 C (-35.0 F)
1980-32.8 C (-27.0 F)
1981-35.6 C (-32.1 F)
1982-31.1 C (-24.0 F)
1983-27.2 C (-17.0 F)
1984-31.1 C (-24.0 F)
1985-30.0 C (-22.0 F)
1986-31.7 C (-25.1 F)
1987-28.3 C (-18.9 F)
1988-26.1 C (-15.0 F)
1989-28.3 C (-18.9 F)
1990-26.7 C (-16.1 F)
1991-27.2 C (-17.0 F)
1992-24.4 C (-11.9 F)
1993-24.4 C (-11.9 F)
1994-33.3 C (-27.9 F)
1995-29.4 C (-20.9 F)
1996-35.6 C (-32.1 F)
1997-31.1 C (-24.0 F)
1998-23.9 C (-11.0 F)
1999-27.2 C (-17.0 F)
2000-27.8 C (-18.0 F)
2001-26.1 C (-15.0 F)
2002-22.2 C (-8.0 F)
2003-30.6 C (-23.1 F)
2004-28.3 C (-18.9 F)
2005-29.4 C (-20.9 F)
2006-19.4 C (-2.9 F)
2007-26.7 C (-16.1 F)
2008-25.6 C (-14.1 F)
2009-28.9 C (-20.0 F)
2010-22.2 C (-8.0 F)
2011-32.2 C (-26.0 F)
2012-23.9 C (-11.0 F)
2013-27.2 C (-17.0 F)
2014-32.2 C (-26.0 F)
2015-33.3 C (-27.9 F)
2016-28.9 C (-20.0 F)
2017-28.9 C (-20.0 F)
2018-31.7 C (-25.1 F)
2019-28.3 C (-18.9 F)
2020-19.4 C (-2.9 F)
2021-22.2 C (-8.0 F)
2022-26.1 C (-15.0 F)
2023-17.2 C (1.0 F)
2024-23.3 C (-9.9 F)
2025-21.1 C (-6.0 F)
2026-26.7 C (-16.1 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Boyne Falls by year The wettest day of the year at Boyne Falls, 1961 to 2026. The record is 124.5 mm (4.9 in) in 1963, marked on the chart; the median year is 49.1 mm (1.9 in). 255075100125198020002020Record: 124.5 mm (4.9 in) in 1963
The wettest day of the year at Boyne Falls, 1961 to 2026. The record is 124.5 mm (4.9 in) in 1963, marked on the chart; the median year is 49.1 mm (1.9 in).
Wettest day (Rx1day) at Boyne Falls by year
YearWettest day (Rx1day)
196183.8 mm (3.3 in)
196234.3 mm (1.4 in)
1963124.5 mm (4.9 in)
196445.5 mm (1.8 in)
196535.6 mm (1.4 in)
196652.1 mm (2.1 in)
196752.1 mm (2.1 in)
196852.3 mm (2.1 in)
196952.6 mm (2.1 in)
197064.0 mm (2.5 in)
197131.8 mm (1.3 in)
197279.0 mm (3.1 in)
197359.4 mm (2.3 in)
197458.4 mm (2.3 in)
197559.2 mm (2.3 in)
197633.0 mm (1.3 in)
197768.6 mm (2.7 in)
197849.3 mm (1.9 in)
197934.3 mm (1.4 in)
198030.2 mm (1.2 in)
198144.5 mm (1.8 in)
198246.0 mm (1.8 in)
198349.5 mm (1.9 in)
198436.3 mm (1.4 in)
198552.8 mm (2.1 in)
198651.1 mm (2.0 in)
198751.6 mm (2.0 in)
198834.3 mm (1.4 in)
198936.3 mm (1.4 in)
199044.7 mm (1.8 in)
199147.0 mm (1.9 in)
199237.6 mm (1.5 in)
199364.8 mm (2.6 in)
199445.7 mm (1.8 in)
199580.0 mm (3.1 in)
199627.9 mm (1.1 in)
199741.4 mm (1.6 in)
199856.9 mm (2.2 in)
199955.9 mm (2.2 in)
200047.0 mm (1.9 in)
200138.1 mm (1.5 in)
200253.6 mm (2.1 in)
200338.4 mm (1.5 in)
200439.6 mm (1.6 in)
200553.6 mm (2.1 in)
200640.6 mm (1.6 in)
200728.2 mm (1.1 in)
200842.4 mm (1.7 in)
200950.8 mm (2.0 in)
201048.5 mm (1.9 in)
201173.7 mm (2.9 in)
201251.3 mm (2.0 in)
201352.1 mm (2.1 in)
201444.5 mm (1.8 in)
201547.2 mm (1.9 in)
201645.0 mm (1.8 in)
201765.5 mm (2.6 in)
201853.8 mm (2.1 in)
201957.2 mm (2.3 in)
202056.4 mm (2.2 in)
202135.6 mm (1.4 in)
202239.9 mm (1.6 in)
202348.0 mm (1.9 in)
202463.8 mm (2.5 in)
202564.8 mm (2.6 in)
202648.8 mm (1.9 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Boyne Falls by year The wettest five days of the year at Boyne Falls, 1961 to 2026. The record is 155.5 mm (6.1 in) in 1963, marked on the chart; the median year is 77.5 mm (3.1 in). 050100150200198020002020Record: 155.5 mm (6.1 in) in 1963
The wettest five days of the year at Boyne Falls, 1961 to 2026. The record is 155.5 mm (6.1 in) in 1963, marked on the chart; the median year is 77.5 mm (3.1 in).
Wettest five days (Rx5day) at Boyne Falls by year
YearWettest five days (Rx5day)
1961154.2 mm (6.1 in)
196253.7 mm (2.1 in)
1963155.5 mm (6.1 in)
196452.5 mm (2.1 in)
196560.9 mm (2.4 in)
196696.6 mm (3.8 in)
1967101.6 mm (4.0 in)
196861.2 mm (2.4 in)
196978.2 mm (3.1 in)
197086.8 mm (3.4 in)
197166.3 mm (2.6 in)
1972101.9 mm (4.0 in)
197386.5 mm (3.4 in)
197494.5 mm (3.7 in)
197560.5 mm (2.4 in)
197652.0 mm (2.0 in)
197776.0 mm (3.0 in)
197879.3 mm (3.1 in)
197952.6 mm (2.1 in)
198051.3 mm (2.0 in)
198168.9 mm (2.7 in)
198260.0 mm (2.4 in)
1983100.5 mm (4.0 in)
198462.7 mm (2.5 in)
198581.6 mm (3.2 in)
198669.6 mm (2.7 in)
198762.0 mm (2.4 in)
198873.8 mm (2.9 in)
198968.3 mm (2.7 in)
199060.1 mm (2.4 in)
199194.5 mm (3.7 in)
199260.2 mm (2.4 in)
1993102.9 mm (4.1 in)
1994115.7 mm (4.6 in)
1995124.7 mm (4.9 in)
199647.5 mm (1.9 in)
199752.3 mm (2.1 in)
199879.5 mm (3.1 in)
199969.4 mm (2.7 in)
200083.6 mm (3.3 in)
200180.1 mm (3.2 in)
200260.1 mm (2.4 in)
200378.1 mm (3.1 in)
200476.9 mm (3.0 in)
200578.2 mm (3.1 in)
200668.4 mm (2.7 in)
200752.3 mm (2.1 in)
200864.5 mm (2.5 in)
200966.0 mm (2.6 in)
201062.2 mm (2.4 in)
201191.0 mm (3.6 in)
201286.2 mm (3.4 in)
2013122.8 mm (4.8 in)
201475.7 mm (3.0 in)
201572.8 mm (2.9 in)
201672.1 mm (2.8 in)
2017137.1 mm (5.4 in)
201893.0 mm (3.7 in)
201980.6 mm (3.2 in)
202092.8 mm (3.7 in)
202184.9 mm (3.3 in)
202251.3 mm (2.0 in)
202396.8 mm (3.8 in)
202483.3 mm (3.3 in)
2025109.6 mm (4.3 in)
2026116.1 mm (4.6 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Boyne Falls by year The longest dry spell of the year at Boyne Falls, 1961 to 2026. The record is 35 days in 1969, marked on the chart; the median year is 15 days. 10203040198020002020Record: 35 days in 1969
The longest dry spell of the year at Boyne Falls, 1961 to 2026. The record is 35 days in 1969, marked on the chart; the median year is 15 days.
Longest dry spell (CDD) at Boyne Falls by year
YearLongest dry spell (CDD)
196110 days
196211 days
196323 days
196414 days
196521 days
196628 days
196716 days
196818 days
196935 days
197019 days
197111 days
197213 days
197311 days
197412 days
197517 days
197614 days
197715 days
197818 days
197913 days
198022 days
198119 days
198217 days
198323 days
198414 days
198510 days
198614 days
198725 days
198817 days
198931 days
199018 days
199114 days
199214 days
199319 days
199414 days
199519 days
199615 days
199719 days
199827 days
199927 days
200014 days
200110 days
200215 days
200316 days
200411 days
200515 days
200614 days
200713 days
200813 days
200922 days
201021 days
201116 days
201215 days
201313 days
201412 days
201517 days
201611 days
201715 days
201822 days
201918 days
202015 days
202114 days
202217 days
202314 days
202422 days
202515 days
202615 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.

Frost Dates and Growing Season

63 years with a frost

Across 63 years with a frost, the median last spring frost at Boyne Falls falls on 30 May and the median first autumn frost on 25 September, which leaves a median of 120 days between them.

In 1996 to 2025 the median growing season was 131 days. That is 28 days more than in 1962 to 1992.

Fitted over all years, the growing season changes by +8.2 days per decade at this station.

Frost dates and growing season at Boyne Falls
MeasureMedian, all yearsEarliest period (1962 to 1992)Recent period (1996 to 2025)Recent against earliestFitted trend
Last spring frost30 May3 June27 May7 days earlier-2.7 days per decade
First autumn frost25 September17 September4 October17 days later+5.5 days per decade
Growing days120 days103 days131 days28 days more+8.2 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Rainfall Return Levels

64 years, 1962 to 2025

A day with at least 47.6 mm (1.9 in) of rain is expected about once in 2 years. A day with at least 95.2 mm (3.7 in) of rain is expected about once in 100 years.

Rainfall return levels at Boyne Falls: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years47.6 mm (1.9 in)
5 years60.1 mm (2.4 in)
10 years68.5 mm (2.7 in)
25 years79.2 mm (3.1 in)
50 years87.2 mm (3.4 in)
100 years95.2 mm (3.7 in)Longer than the 64 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 64 years of values from 1962 to 2025.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 124.5 mm (4.9 in) in 1963; 80.0 mm (3.1 in) in 1995; 79.0 mm (3.1 in) in 1972.

Station Changes

2 suspected

2 changes were suspected in the annual mean temperature of Boyne Falls, at 1995 and 2012. Each is measured against neighbouring stations.

  • Relative to 5 neighbouring stations, the station's annual mean temperature from 1995 ran 0.4 C (0.6 F) higher than in the years before (likely change).
  • Relative to 5 neighbouring stations, the station's annual mean temperature from 2012 ran 0.2 C (0.3 F) lower than in the years before (likely change).
Suspected changes in the annual mean temperature at Boyne Falls, against neighbouring stations
YearShift (C)Shift (F)StrengthNeighbours
1995+0.4+0.6likely5
2012-0.2-0.3likely5

Possible change at the station (a move, a new instrument or a new site); the record is kept as measured. A "likely" change has a larger test statistic than a "possible" one. Neither says why the station differs from its neighbours. How changes are found, and the largest ones.

Climate Twins

2011 to 2025 against 1961 to 1990

Over 2011 to 2025, Boyne Falls had a mean temperature of 8.5 C (47.3 F) and 987.4 mm (38.9 in) of rain a year. The 3 stations whose 1961 to 1990 climate was closest to that are Niagara Falls (Canada, 517 km away), Grand Rapids (United States, 258 km away) and Ridgetown (Canada, 388 km away).

Climate twins of Boyne Falls: stations whose 1961 to 1990 climate is closest to its 2011 to 2025 climate
Twin stationCountryDistance awayMean temperature, 1961-1990Rain a year, 1961-1990Climate difference
Niagara FallsCanada517 km (321 mi)8.7 C (47.6 F)955.7 mm (37.6 in)0.72
Grand RapidsUnited States258 km (160 mi)8.6 C (47.4 F)941.7 mm (37.1 in)0.80
RidgetownCanada388 km (241 mi)8.4 C (47.0 F)898.0 mm (35.4 in)0.81

Twins are stations, not cities. A twin is one of the three stations at least 100 km away whose earlier climate is closest to this station's recent one, so a close match does not mean the two places look alike in other ways. A station move or a gap in a record can change that station's averages. The list describes past climate; it is not a forecast and does not say what caused any change. How twins are found, and a search for any station.

Download the Data

  • Data for Boyne Falls standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Boyne Falls 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 (2026-10-12).