Built 2026-10-15 (15 October 2026)

Turtle Lake Weather Records (USC00328840)

Record envelope, standing records and threshold days for Turtle Lake (USC00328840), North Dakota, United States, with 115 years of record.

Key Facts for Turtle Lake

  • Turtle Lake (USC00328840) is a weather station in North Dakota, United States at 47.52 latitude and -100.89 longitude, 577 m (1,893 ft) above sea level.
  • The station reports from 1912 to 2026, 115 years of record.
  • 1,464 records set at Turtle Lake still stand.
  • Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Turtle Lake set a daily record high minimum temperature of 20.0 C (68.0 F) on 15 July 2026.

About the Station

  • Location: North Dakota, United States, 47.52 latitude, -100.89 longitude.
  • Elevation: 577 m (1,893 ft).
  • Period of record: 1912 to 2026, 115 years.
  • Eligible elements: tmax, tmin, prcp, snow, snwd.

Daily Record Envelope and 2026

8 days at or beyond a record
Daily record high and record low at Turtle Lake, with 2026 drawn through them The band shows the record high and record low for each calendar day at Turtle Lake. The lines show the 2026 daily maximum and minimum. 8 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -60-40-200204060 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Turtle Lake. The lines show the 2026 daily maximum and minimum. 8 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Turtle Lake, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan13.9 C (57.0 F)-43.9 C (-47.0 F)7.2 C (45.0 F)-31.7 C (-25.1 F)
Feb18.3 C (64.9 F)-45.6 C (-50.1 F)11.1 C (52.0 F)-23.9 C (-11.0 F)
Mar26.7 C (80.1 F)-36.7 C (-34.1 F)22.8 C (73.0 F)-20.0 C (-4.0 F)
Apr35.0 C (95.0 F)-22.2 C (-8.0 F)30.0 C (86.0 F)-7.8 C (18.0 F)
May36.7 C (98.1 F)-11.7 C (10.9 F)34.4 C (93.9 F)-6.1 C (21.0 F)
Jun42.2 C (108.0 F)-1.7 C (28.9 F)33.9 C (93.0 F)6.1 C (43.0 F)
Jul46.1 C (115.0 F)1.1 C (34.0 F)40.6 C (105.1 F)11.1 C (52.0 F)
Aug42.8 C (109.0 F)-0.6 C (30.9 F)35.6 C (96.1 F)8.3 C (46.9 F)
Sep41.1 C (106.0 F)-10.6 C (12.9 F)32.8 C (91.0 F)10.6 C (51.1 F)
Oct35.0 C (95.0 F)-24.4 C (-11.9 F)23.9 C (75.0 F)5.6 C (42.1 F)
Nov25.6 C (78.1 F)-32.8 C (-27.0 F)n/an/a
Dec19.4 C (66.9 F)-40.6 C (-41.1 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Turtle Lake by the year they were set 1,464 records at Turtle Lake still stand. 1936 holds the most, with 72. 0204060801913: 181914: 231915: 251916: 231917: 21919: 281920: 101921: 251922: 141923: 191924: 251925: 191926: 131927: 291928: 211929: 71930: 21935: 201936: 721937: 171938: 251939: 341940: 131941: 221942: 201943: 131944: 111945: 141946: 161947: 141948: 181949: 51950: 401951: 131952: 91953: 61954: 151955: 121956: 101957: 51958: 121959: 181960: 41961: 91962: 141963: 261964: 141965: 151966: 91967: 121968: 131969: 111970: 51971: 91972: 101973: 61974: 101975: 51976: 101977: 161978: 41979: 71980: 101981: 121982: 81983: 141984: 61985: 171986: 81987: 81988: 231989: 231990: 91991: 221992: 231993: 121994: 51995: 111996: 101997: 171998: 31999: 82000: 112001: 72002: 142003: 92004: 82005: 122006: 62007: 52008: 62009: 92010: 52011: 82012: 212013: 82014: 52015: 102016: 92017: 82018: 102019: 72020: 62021: 192022: 72023: 52024: 112025: 122026: 111913192519401951196219731984199520062017
1,464 records at Turtle Lake still stand. 1936 holds the most, with 72.
Standing records at Turtle Lake by the year they were set
Year setStanding records
191318
191423
191525
191623
19172
191928
192010
192125
192214
192319
192425
192519
192613
192729
192821
19297
19302
193520
193672
193717
193825
193934
194013
194122
194220
194313
194411
194514
194616
194714
194818
19495
195040
195113
19529
19536
195415
195512
195610
19575
195812
195918
19604
19619
196214
196326
196414
196515
19669
196712
196813
196911
19705
19719
197210
19736
197410
19755
197610
197716
19784
19797
198010
198112
19828
198314
19846
198517
19868
19878
198823
198923
19909
199122
199223
199312
19945
199511
199610
199717
19983
19998
200011
20017
200214
20039
20048
200512
20066
20075
20086
20099
20105
20118
201221
20138
20145
201510
20169
20178
201810
20197
20206
202119
20227
20235
202411
202512
202611

All-Time Record Progression

1 new records
When Turtle Lake set new all-time records 1 all-time records were set at Turtle Lake between 12 March 2011 and 12 March 2011. Each dot is a new record. Record snow depth12 March 2011: Record snow depth 71.1 cm (28.0 in)
1 all-time records were set at Turtle Lake between 12 March 2011 and 12 March 2011. Each dot is a new record.
When Turtle Lake set new all-time records
DateKindDetail
2011-03-12Record snow depthRecord snow depth 71.1 cm (28.0 in)

Wettest Day of Each Month

Aug: 112.3 mm (4.4 in)
Record daily precipitation for each month at Turtle Lake The wettest day on record for each calendar month at Turtle Lake. The most was 112.3 mm (4.4 in) on 27 August 1928. 050100150 Jan: 22.9 mm (0.9 in), 2 January 1923 Jan Feb: 38.4 mm (1.5 in), 26 February 1998 Feb Mar: 46.7 mm (1.8 in), 31 March 1996 Mar Apr: 52.8 mm (2.1 in), 24 April 1948 Apr May: 75.2 mm (3.0 in), 12 May 1985 May Jun: 108.5 mm (4.3 in), 28 June 1952 Jun Jul: 100.3 mm (3.9 in), 7 July 1928 Jul Aug: 112.3 mm (4.4 in), 27 August 1928 Aug Sep: 77.5 mm (3.1 in), 12 September 1978 Sep Oct: 47.5 mm (1.9 in), 2 October 1971 Oct Nov: 36.3 mm (1.4 in), 25 November 1993 Nov Dec: 50.8 mm (2.0 in), 12 December 2003 Dec
The wettest day on record for each calendar month at Turtle Lake. The most was 112.3 mm (4.4 in) on 27 August 1928.
Record daily precipitation for each month at Turtle Lake
MonthRecord daily precipitation (mm)Date
Jan22.9 mm (0.9 in)2 January 1923
Feb38.4 mm (1.5 in)26 February 1998
Mar46.7 mm (1.8 in)31 March 1996
Apr52.8 mm (2.1 in)24 April 1948
May75.2 mm (3.0 in)12 May 1985
Jun108.5 mm (4.3 in)28 June 1952
Jul100.3 mm (3.9 in)7 July 1928
Aug112.3 mm (4.4 in)27 August 1928
Sep77.5 mm (3.1 in)12 September 1978
Oct47.5 mm (1.9 in)2 October 1971
Nov36.3 mm (1.4 in)25 November 1993
Dec50.8 mm (2.0 in)12 December 2003

Period of Record Coverage

1913 to 2026
Days with data per year at Turtle Lake 109 years of record at Turtle Lake, 1913 to 2026. 18 years have data for under 90 percent of days and are left out of rankings: 1913, 1915, 1917, 1919, 1925, 1929, 1930, 1935 and others. 1913: 327 of 365 days1914: 349 of 365 days1915: 261 of 365 days1916: 352 of 366 days1917: 59 of 365 days1919: 276 of 365 days1920: 354 of 366 days1921: 359 of 365 days1922: 359 of 365 days1923: 364 of 365 days1924: 363 of 366 days1925: 309 of 365 days1926: 360 of 365 days1927: 362 of 365 days1928: 358 of 366 days1929: 267 of 365 days1930: 58 of 365 days1935: 182 of 365 days1936: 333 of 366 days1937: 362 of 365 days1938: 362 of 365 days1939: 363 of 365 days1940: 366 of 366 days1941: 362 of 365 days1942: 363 of 365 days1943: 364 of 365 days1944: 363 of 366 days1945: 362 of 365 days1946: 362 of 365 days1947: 364 of 365 days1948: 364 of 366 days1949: 333 of 365 days1950: 326 of 365 days1951: 331 of 365 days1952: 283 of 366 days1953: 285 of 365 days1954: 364 of 365 days1955: 364 of 365 days1956: 299 of 366 days1957: 364 of 365 days1958: 344 of 365 days1959: 361 of 365 days1960: 366 of 366 days1961: 364 of 365 days1962: 365 of 365 days1963: 365 of 365 days1964: 365 of 366 days1965: 364 of 365 days1966: 362 of 365 days1967: 365 of 365 days1968: 366 of 366 days1969: 363 of 365 days1970: 365 of 365 days1971: 363 of 365 days1972: 365 of 366 days1973: 357 of 365 days1974: 360 of 365 days1975: 352 of 365 days1976: 350 of 366 days1977: 356 of 365 days1978: 356 of 365 days1979: 359 of 365 days1980: 360 of 366 days1981: 315 of 365 days1982: 279 of 365 days1983: 354 of 365 days1984: 296 of 366 days1985: 360 of 365 days1986: 361 of 365 days1987: 363 of 365 days1988: 359 of 366 days1989: 364 of 365 days1990: 362 of 365 days1991: 362 of 365 days1992: 359 of 366 days1993: 364 of 365 days1994: 362 of 365 days1995: 364 of 365 days1996: 366 of 366 days1997: 361 of 365 days1998: 360 of 365 days1999: 360 of 365 days2000: 321 of 366 days2001: 352 of 365 days2002: 358 of 365 days2003: 351 of 365 days2004: 308 of 366 days2005: 362 of 365 days2006: 360 of 365 days2007: 363 of 365 days2008: 366 of 366 days2009: 363 of 365 days2010: 364 of 365 days2011: 360 of 365 days2012: 366 of 366 days2013: 364 of 365 days2014: 365 of 365 days2015: 361 of 365 days2016: 364 of 366 days2017: 361 of 365 days2018: 362 of 365 days2019: 362 of 365 days2020: 365 of 366 days2021: 364 of 365 days2022: 339 of 365 days2023: 355 of 365 days2024: 364 of 366 days2025: 365 of 365 days2026: 251 of 365 days19201935195019651980199520102025
109 years of record at Turtle Lake, 1913 to 2026. 18 years have data for under 90 percent of days and are left out of rankings: 1913, 1915, 1917, 1919, 1925, 1929, 1930, 1935 and others.
Days with data per year at Turtle Lake
YearDays with dataShare of yearComplete
191332790%No
191434996%Yes
191526172%No
191635296%Yes
19175916%No
191927676%No
192035497%Yes
192135998%Yes
192235998%Yes
1923364100%Yes
192436399%Yes
192530985%No
192636099%Yes
192736299%Yes
192835898%Yes
192926773%No
19305816%No
193518250%No
193633391%Yes
193736299%Yes
193836299%Yes
193936399%Yes
1940366100%Yes
194136299%Yes
194236399%Yes
1943364100%Yes
194436399%Yes
194536299%Yes
194636299%Yes
1947364100%Yes
194836499%Yes
194933391%Yes
195032689%No
195133191%Yes
195228377%No
195328578%No
1954364100%Yes
1955364100%Yes
195629982%No
1957364100%Yes
195834494%Yes
195936199%Yes
1960366100%Yes
1961364100%Yes
1962365100%Yes
1963365100%Yes
1964365100%Yes
1965364100%Yes
196636299%Yes
1967365100%Yes
1968366100%Yes
196936399%Yes
1970365100%Yes
197136399%Yes
1972365100%Yes
197335798%Yes
197436099%Yes
197535296%Yes
197635096%Yes
197735698%Yes
197835698%Yes
197935998%Yes
198036098%Yes
198131586%No
198227976%No
198335497%Yes
198429681%No
198536099%Yes
198636199%Yes
198736399%Yes
198835998%Yes
1989364100%Yes
199036299%Yes
199136299%Yes
199235998%Yes
1993364100%Yes
199436299%Yes
1995364100%Yes
1996366100%Yes
199736199%Yes
199836099%Yes
199936099%Yes
200032188%No
200135296%Yes
200235898%Yes
200335196%Yes
200430884%No
200536299%Yes
200636099%Yes
200736399%Yes
2008366100%Yes
200936399%Yes
2010364100%Yes
201136099%Yes
2012366100%Yes
2013364100%Yes
2014365100%Yes
201536199%Yes
201636499%Yes
201736199%Yes
201836299%Yes
201936299%Yes
2020365100%Yes
2021364100%Yes
202233993%Yes
202335597%Yes
202436499%Yes
2025365100%Yes
202625169%No

Latest Records

20
Latest records at Turtle Lake
DateStationRecordValueBeat old record byOld record stoodSignificance
15 July 2026Turtle Lake, USdaily high min20.0 C (68.0 F)1.1 C (2.0 F)24 years20 of 100 (Routine)
14 July 2026Turtle Lake, USdaily high max39.4 C (102.9 F)2.2 C (4.0 F)43 years27 of 100 (Routine)
14 July 2026Turtle Lake, USdaily high min21.1 C (70.0 F)0.5 C (0.9 F)7 years13 of 100 (Routine)
13 July 2026Turtle Lake, USdaily high max (Tie)39.4 C (102.9 F)tie20 years4 of 100 (Routine)
23 June 2026Turtle Lake, USdaily rain33.0 mm (1.3 in)10.1 mm (0.4 in)109 years48 of 100 (Notable)
7 June 2026Turtle Lake, USdaily high min18.9 C (66.0 F)1.1 C (2.0 F)112 years42 of 100 (Notable)
29 May 2026Turtle Lake, USdaily high min17.8 C (64.0 F)1.7 C (3.1 F)81 years37 of 100 (Notable)
29 May 2026Turtle Lake, USdaily high max (Tie)32.8 C (91.0 F)tie87 years9 of 100 (Routine)
28 May 2026Turtle Lake, USdaily high min17.8 C (64.0 F)1.7 C (3.1 F)112 years43 of 100 (Notable)
26 May 2026Turtle Lake, USdaily high max33.9 C (93.0 F)0.6 C (1.1 F)56 years27 of 100 (Routine)
19 May 2026Turtle Lake, USdaily low max (Tie)6.1 C (43.0 F)tie28 years4 of 100 (Routine)
23 April 2026Turtle Lake, USdaily high max (Tie)30.0 C (86.0 F)tie36 years5 of 100 (Routine)
4 April 2026Turtle Lake, USdaily snowfall17.8 cm (7.0 in)6.4 cm (2.5 in)24 years25 of 100 (Routine)
4 April 2026Turtle Lake, USdaily rain14.0 mm (0.6 in)2.1 mm (0.08 in)24 years19 of 100 (Routine)
20 March 2026Turtle Lake, USdaily high max22.8 C (73.0 F)2.8 C (5.0 F)80 years37 of 100 (Notable)
9 March 2026Turtle Lake, USdaily high max (Tie)18.3 C (64.9 F)tie48 years6 of 100 (Routine)
14 February 2026Turtle Lake, USdaily high max11.1 C (52.0 F)3.3 C (5.9 F)24 years20 of 100 (Routine)
6 February 2026Turtle Lake, USdaily high min0.0 C (32.0 F)0.6 C (1.1 F)100 years40 of 100 (Notable)
13 January 2026Turtle Lake, USdaily high min-1.1 C (30.0 F)1.7 C (3.1 F)30 years20 of 100 (Routine)
29 November 2025Turtle Lake, USdaily rain6.1 mm (0.24 in)3.6 mm (0.14 in)104 years20 of 100 (Routine)

Climate Trend

84 complete years, 1914 to 2025
Annual mean temperature at Turtle Lake as warming stripes, 1914 to 2025 One stripe for each of 84 complete years at Turtle Lake, 1914 to 2025. Blue stripes are years cooler than the station's own mean of 4.9 C (40.8 F); red stripes are warmer. The coolest year was 1996, at 1.9 C (35.5 F), and the warmest was 2016, at 7.0 C (44.6 F). The strongest colour marks a difference of 3.0 C (5.4 F). 1914: 4.3 C, -0.7 C from the station mean1916: 2.7 C, -2.2 C from the station mean1920: 4.2 C, -0.7 C from the station mean1921: 5.3 C, +0.3 C from the station mean1922: 4.3 C, -0.7 C from the station mean1923: 4.6 C, -0.3 C from the station mean1924: 3.6 C, -1.3 C from the station mean1926: 5.2 C, +0.2 C from the station mean1927: 3.2 C, -1.7 C from the station mean1928: 5.1 C, +0.2 C from the station mean1937: 4.1 C, -0.8 C from the station mean1938: 6.2 C, +1.3 C from the station mean1939: 6.2 C, +1.3 C from the station mean1940: 5.4 C, +0.5 C from the station mean1941: 6.0 C, +1.1 C from the station mean1942: 5.2 C, +0.3 C from the station mean1943: 4.6 C, -0.3 C from the station mean1944: 5.2 C, +0.3 C from the station mean1945: 4.1 C, -0.8 C from the station mean1946: 5.2 C, +0.3 C from the station mean1947: 4.9 C, 0.0 C from the station mean1948: 4.5 C, -0.4 C from the station mean1954: 5.8 C, +0.9 C from the station mean1955: 4.4 C, -0.5 C from the station mean1957: 4.9 C, 0.0 C from the station mean1959: 4.5 C, -0.4 C from the station mean1960: 5.2 C, +0.2 C from the station mean1961: 6.2 C, +1.3 C from the station mean1962: 5.4 C, +0.5 C from the station mean1963: 6.4 C, +1.5 C from the station mean1964: 5.3 C, +0.3 C from the station mean1965: 4.0 C, -0.9 C from the station mean1966: 4.3 C, -0.6 C from the station mean1967: 5.1 C, +0.1 C from the station mean1968: 5.0 C, +0.1 C from the station mean1969: 4.9 C, 0.0 C from the station mean1970: 4.6 C, -0.3 C from the station mean1971: 5.4 C, +0.4 C from the station mean1972: 4.4 C, -0.5 C from the station mean1973: 5.9 C, +1.0 C from the station mean1974: 5.3 C, +0.3 C from the station mean1975: 4.7 C, -0.2 C from the station mean1976: 5.8 C, +0.9 C from the station mean1977: 5.7 C, +0.8 C from the station mean1978: 3.9 C, -1.0 C from the station mean1979: 3.4 C, -1.5 C from the station mean1980: 5.4 C, +0.5 C from the station mean1983: 5.3 C, +0.3 C from the station mean1985: 3.3 C, -1.6 C from the station mean1986: 5.2 C, +0.3 C from the station mean1988: 5.7 C, +0.7 C from the station mean1989: 4.0 C, -0.9 C from the station mean1990: 5.8 C, +0.9 C from the station mean1991: 5.4 C, +0.5 C from the station mean1992: 4.8 C, -0.1 C from the station mean1993: 2.8 C, -2.1 C from the station mean1994: 4.0 C, -1.0 C from the station mean1995: 3.6 C, -1.3 C from the station mean1996: 1.9 C, -3.0 C from the station mean1997: 4.5 C, -0.4 C from the station mean1998: 5.7 C, +0.8 C from the station mean2001: 5.4 C, +0.5 C from the station mean2002: 4.8 C, -0.1 C from the station mean2003: 4.6 C, -0.3 C from the station mean2005: 6.3 C, +1.3 C from the station mean2006: 6.7 C, +1.8 C from the station mean2007: 5.4 C, +0.5 C from the station mean2008: 4.0 C, -0.9 C from the station mean2009: 3.4 C, -1.6 C from the station mean2010: 4.7 C, -0.3 C from the station mean2011: 4.5 C, -0.4 C from the station mean2012: 6.6 C, +1.7 C from the station mean2013: 3.6 C, -1.3 C from the station mean2014: 3.6 C, -1.3 C from the station mean2015: 6.2 C, +1.3 C from the station mean2016: 7.0 C, +2.1 C from the station mean2017: 5.7 C, +0.8 C from the station mean2018: 4.4 C, -0.6 C from the station mean2019: 3.5 C, -1.5 C from the station mean2020: 6.4 C, +1.5 C from the station mean2021: 6.5 C, +1.6 C from the station mean2023: 5.6 C, +0.7 C from the station mean2024: 6.3 C, +1.4 C from the station mean2025: 5.6 C, +0.7 C from the station mean191419201930194019501960197019801990200020102020
One stripe for each of 84 complete years at Turtle Lake, 1914 to 2025. Blue stripes are years cooler than the station's own mean of 4.9 C (40.8 F); red stripes are warmer. The coolest year was 1996, at 1.9 C (35.5 F), and the warmest was 2016, at 7.0 C (44.6 F). The strongest colour marks a difference of 3.0 C (5.4 F).
Annual mean temperature at Turtle Lake as warming stripes, 1914 to 2025
YearAnnual mean temperatureDifference from the station mean
19144.3 C-0.66 C
19162.7 C-2.19 C
19204.2 C-0.71 C
19215.3 C+0.34 C
19224.3 C-0.65 C
19234.6 C-0.33 C
19243.6 C-1.28 C
19265.2 C+0.25 C
19273.2 C-1.72 C
19285.1 C+0.21 C
19374.1 C-0.83 C
19386.2 C+1.27 C
19396.2 C+1.32 C
19405.4 C+0.52 C
19416.0 C+1.12 C
19425.2 C+0.26 C
19434.6 C-0.34 C
19445.2 C+0.29 C
19454.1 C-0.80 C
19465.2 C+0.27 C
19474.9 C-0.03 C
19484.5 C-0.43 C
19545.8 C+0.91 C
19554.4 C-0.51 C
19574.9 C-0.04 C
19594.5 C-0.37 C
19605.2 C+0.25 C
19616.2 C+1.31 C
19625.4 C+0.51 C
19636.4 C+1.50 C
19645.3 C+0.35 C
19654.0 C-0.91 C
19664.3 C-0.62 C
19675.1 C+0.15 C
19685.0 C+0.09 C
19694.9 C0.00 C
19704.6 C-0.27 C
19715.4 C+0.45 C
19724.4 C-0.50 C
19735.9 C+1.01 C
19745.3 C+0.35 C
19754.7 C-0.19 C
19765.8 C+0.87 C
19775.7 C+0.83 C
19783.9 C-1.00 C
19793.4 C-1.54 C
19805.4 C+0.53 C
19835.3 C+0.35 C
19853.3 C-1.63 C
19865.2 C+0.32 C
19885.7 C+0.75 C
19894.0 C-0.88 C
19905.8 C+0.88 C
19915.4 C+0.51 C
19924.8 C-0.07 C
19932.8 C-2.08 C
19944.0 C-0.95 C
19953.6 C-1.33 C
19961.9 C-2.98 C
19974.5 C-0.41 C
19985.7 C+0.80 C
20015.4 C+0.52 C
20024.8 C-0.08 C
20034.6 C-0.29 C
20056.3 C+1.35 C
20066.7 C+1.83 C
20075.4 C+0.51 C
20084.0 C-0.92 C
20093.4 C-1.56 C
20104.7 C-0.25 C
20114.5 C-0.38 C
20126.6 C+1.71 C
20133.6 C-1.34 C
20143.6 C-1.28 C
20156.2 C+1.31 C
20167.0 C+2.08 C
20175.7 C+0.82 C
20184.4 C-0.56 C
20193.5 C-1.45 C
20206.4 C+1.48 C
20216.5 C+1.63 C
20235.6 C+0.66 C
20246.3 C+1.40 C
20255.6 C+0.73 C

The fitted trend in annual mean temperature here over 1914 to 2025 is 0.05 C (-0.02 to 0.12) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.10 F (-0.03 to 0.22) per decade. The slope is a straight line fitted to 84 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Turtle Lake
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.05 C (-0.02 to 0.12) per decade0.10 F (-0.03 to 0.22) per decade1914 to 202584Not clearly different from zero
Mean daily maximum0.04 C (-0.04 to 0.12) per decade0.1 F (-0.1 to 0.2) per decade1914 to 202584Not clearly different from zero
Mean daily minimum0.07 C (0.00 to 0.14) per decade0.12 F (0.00 to 0.24) per decade1914 to 202584Rise

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

1912 to 2026
Yearly extremes at Turtle Lake: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)46.1 C (115.0 F)193637.8 C (100.0 F)109
Coldest night (TNn)-45.6 C (-50.1 F)1936-33.9 C (-29.0 F)109
Wettest day (Rx1day)112.3 mm (4.4 in)192839.8 mm (1.6 in)114
Wettest five days (Rx5day)136.1 mm (5.4 in)192860.4 mm (2.4 in)113
Longest dry spell (CDD)111 days191533 days114

Hottest day (TXx)

Hottest day (TXx) at Turtle Lake by year The hottest day of the year at Turtle Lake, 1912 to 2026. The record is 46.1 C (115.0 F) in 1936, marked on the chart; the median year is 37.8 C (100.0 F). 0204060192019401960198020002020Record: 46.1 C (115.0 F) in 1936
The hottest day of the year at Turtle Lake, 1912 to 2026. The record is 46.1 C (115.0 F) in 1936, marked on the chart; the median year is 37.8 C (100.0 F).
Hottest day (TXx) at Turtle Lake by year
YearHottest day (TXx)
1912n/a
191337.8 C (100.0 F)
191437.8 C (100.0 F)
191533.3 C (91.9 F)
191635.0 C (95.0 F)
19174.4 C (39.9 F)
191938.9 C (102.0 F)
192037.2 C (99.0 F)
192141.1 C (106.0 F)
192237.8 C (100.0 F)
192335.6 C (96.1 F)
192435.6 C (96.1 F)
192538.3 C (100.9 F)
192636.7 C (98.1 F)
192731.1 C (88.0 F)
192834.4 C (93.9 F)
192941.1 C (106.0 F)
19308.9 C (48.0 F)
1931n/a
1932n/a
1933n/a
1934n/a
193540.6 C (105.1 F)
193646.1 C (115.0 F)
193739.4 C (102.9 F)
193836.1 C (97.0 F)
193942.2 C (108.0 F)
194036.7 C (98.1 F)
194142.8 C (109.0 F)
194236.1 C (97.0 F)
194334.4 C (93.9 F)
194436.1 C (97.0 F)
194536.1 C (97.0 F)
194638.9 C (102.0 F)
194738.9 C (102.0 F)
194838.3 C (100.9 F)
194940.6 C (105.1 F)
195034.4 C (93.9 F)
195135.6 C (96.1 F)
195236.1 C (97.0 F)
195336.1 C (97.0 F)
195437.2 C (99.0 F)
195537.8 C (100.0 F)
195634.4 C (93.9 F)
195737.8 C (100.0 F)
195840.0 C (104.0 F)
195939.4 C (102.9 F)
196039.4 C (102.9 F)
196139.4 C (102.9 F)
196236.1 C (97.0 F)
196337.8 C (100.0 F)
196441.1 C (106.0 F)
196536.7 C (98.1 F)
196637.2 C (99.0 F)
196737.8 C (100.0 F)
196837.8 C (100.0 F)
196938.3 C (100.9 F)
197037.8 C (100.0 F)
197141.1 C (106.0 F)
197237.8 C (100.0 F)
197339.4 C (102.9 F)
197438.3 C (100.9 F)
197538.9 C (102.0 F)
197639.4 C (102.9 F)
197737.8 C (100.0 F)
197841.1 C (106.0 F)
197936.7 C (98.1 F)
198040.6 C (105.1 F)
198138.3 C (100.9 F)
198236.1 C (97.0 F)
198339.4 C (102.9 F)
198431.7 C (89.1 F)
198535.6 C (96.1 F)
198635.0 C (95.0 F)
198735.0 C (95.0 F)
198840.6 C (105.1 F)
198937.8 C (100.0 F)
199034.4 C (93.9 F)
199137.8 C (100.0 F)
199237.2 C (99.0 F)
199332.8 C (91.0 F)
199435.6 C (96.1 F)
199537.8 C (100.0 F)
199637.8 C (100.0 F)
199737.2 C (99.0 F)
199835.6 C (96.1 F)
199938.3 C (100.9 F)
200036.1 C (97.0 F)
200137.8 C (100.0 F)
200239.4 C (102.9 F)
200338.9 C (102.0 F)
200436.7 C (98.1 F)
200537.2 C (99.0 F)
200639.4 C (102.9 F)
200739.4 C (102.9 F)
200836.1 C (97.0 F)
200936.1 C (97.0 F)
201037.8 C (100.0 F)
201136.1 C (97.0 F)
201238.9 C (102.0 F)
201335.6 C (96.1 F)
201433.3 C (91.9 F)
201537.8 C (100.0 F)
201635.6 C (96.1 F)
201739.4 C (102.9 F)
201839.4 C (102.9 F)
201933.9 C (93.0 F)
202037.8 C (100.0 F)
202138.9 C (102.0 F)
202237.2 C (99.0 F)
202337.2 C (99.0 F)
202437.2 C (99.0 F)
202536.7 C (98.1 F)
202640.6 C (105.1 F)

Coldest night (TNn)

Coldest night (TNn) at Turtle Lake by year The coldest night of the year at Turtle Lake, 1912 to 2026. The record is -45.6 C (-50.1 F) in 1936, marked on the chart; the median year is -33.9 C (-29.0 F). -50-40-30-20192019401960198020002020Record: -45.6 C (-50.1 F) in 1936
The coldest night of the year at Turtle Lake, 1912 to 2026. The record is -45.6 C (-50.1 F) in 1936, marked on the chart; the median year is -33.9 C (-29.0 F).
Coldest night (TNn) at Turtle Lake by year
YearColdest night (TNn)
1912n/a
1913-32.2 C (-26.0 F)
1914-38.3 C (-36.9 F)
1915-38.9 C (-38.0 F)
1916-43.9 C (-47.0 F)
1917-37.2 C (-35.0 F)
1919-33.3 C (-27.9 F)
1920-37.8 C (-36.0 F)
1921-31.1 C (-24.0 F)
1922-38.3 C (-36.9 F)
1923-33.9 C (-29.0 F)
1924-35.6 C (-32.1 F)
1925-30.0 C (-22.0 F)
1926-30.0 C (-22.0 F)
1927-33.3 C (-27.9 F)
1928-35.0 C (-31.0 F)
1929-37.2 C (-35.0 F)
1930-27.8 C (-18.0 F)
1931n/a
1932n/a
1933n/a
1934n/a
1935-31.1 C (-24.0 F)
1936-45.6 C (-50.1 F)
1937-38.3 C (-36.9 F)
1938-35.0 C (-31.0 F)
1939-38.9 C (-38.0 F)
1940-32.2 C (-26.0 F)
1941-32.2 C (-26.0 F)
1942-34.4 C (-29.9 F)
1943-38.3 C (-36.9 F)
1944-39.4 C (-38.9 F)
1945-32.8 C (-27.0 F)
1946-34.4 C (-29.9 F)
1947-32.8 C (-27.0 F)
1948-36.7 C (-34.1 F)
1949-37.8 C (-36.0 F)
1950-38.9 C (-38.0 F)
1951-40.6 C (-41.1 F)
1952-33.3 C (-27.9 F)
1953-28.3 C (-18.9 F)
1954-38.9 C (-38.0 F)
1955-34.4 C (-29.9 F)
1956-32.2 C (-26.0 F)
1957-35.0 C (-31.0 F)
1958-36.7 C (-34.1 F)
1959-40.0 C (-40.0 F)
1960-31.1 C (-24.0 F)
1961-32.8 C (-27.0 F)
1962-36.1 C (-33.0 F)
1963-37.2 C (-35.0 F)
1964-31.1 C (-24.0 F)
1965-33.3 C (-27.9 F)
1966-37.2 C (-35.0 F)
1967-38.9 C (-38.0 F)
1968-36.7 C (-34.1 F)
1969-33.3 C (-27.9 F)
1970-36.1 C (-33.0 F)
1971-33.3 C (-27.9 F)
1972-35.6 C (-32.1 F)
1973-31.7 C (-25.1 F)
1974-33.3 C (-27.9 F)
1975-30.6 C (-23.1 F)
1976-32.2 C (-26.0 F)
1977-35.0 C (-31.0 F)
1978-34.4 C (-29.9 F)
1979-35.0 C (-31.0 F)
1980-33.3 C (-27.9 F)
1981-30.6 C (-23.1 F)
1982-38.3 C (-36.9 F)
1983-38.9 C (-38.0 F)
1984-33.3 C (-27.9 F)
1985-35.0 C (-31.0 F)
1986-34.4 C (-29.9 F)
1987-23.9 C (-11.0 F)
1988-31.7 C (-25.1 F)
1989-36.7 C (-34.1 F)
1990-36.7 C (-34.1 F)
1991-29.4 C (-20.9 F)
1992-31.7 C (-25.1 F)
1993-33.3 C (-27.9 F)
1994-37.8 C (-36.0 F)
1995-30.6 C (-23.1 F)
1996-38.9 C (-38.0 F)
1997-34.4 C (-29.9 F)
1998-30.0 C (-22.0 F)
1999-34.4 C (-29.9 F)
2000-30.0 C (-22.0 F)
2001-28.9 C (-20.0 F)
2002-28.9 C (-20.0 F)
2003-33.9 C (-29.0 F)
2004-36.1 C (-33.0 F)
2005-35.6 C (-32.1 F)
2006-30.6 C (-23.1 F)
2007-30.0 C (-22.0 F)
2008-33.3 C (-27.9 F)
2009-41.7 C (-43.1 F)
2010-35.6 C (-32.1 F)
2011-32.2 C (-26.0 F)
2012-27.2 C (-17.0 F)
2013-33.3 C (-27.9 F)
2014-36.7 C (-34.1 F)
2015-30.6 C (-23.1 F)
2016-31.7 C (-25.1 F)
2017-32.8 C (-27.0 F)
2018-33.9 C (-29.0 F)
2019-37.2 C (-35.0 F)
2020-30.6 C (-23.1 F)
2021-36.1 C (-33.0 F)
2022-32.8 C (-27.0 F)
2023-32.8 C (-27.0 F)
2024-33.9 C (-29.0 F)
2025-37.2 C (-35.0 F)
2026-31.7 C (-25.1 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Turtle Lake by year The wettest day of the year at Turtle Lake, 1912 to 2026. The record is 112.3 mm (4.4 in) in 1928, marked on the chart; the median year is 39.8 mm (1.6 in). 050100150192019401960198020002020Record: 112.3 mm (4.4 in) in 1928
The wettest day of the year at Turtle Lake, 1912 to 2026. The record is 112.3 mm (4.4 in) in 1928, marked on the chart; the median year is 39.8 mm (1.6 in).
Wettest day (Rx1day) at Turtle Lake by year
YearWettest day (Rx1day)
191216.5 mm (0.6 in)
191326.2 mm (1.0 in)
191461.5 mm (2.4 in)
191571.1 mm (2.8 in)
191667.3 mm (2.6 in)
19177.6 mm (0.30 in)
191925.4 mm (1.0 in)
192027.7 mm (1.1 in)
192160.7 mm (2.4 in)
192223.4 mm (0.9 in)
192334.8 mm (1.4 in)
192441.4 mm (1.6 in)
192536.6 mm (1.4 in)
192676.5 mm (3.0 in)
192756.9 mm (2.2 in)
1928112.3 mm (4.4 in)
192938.6 mm (1.5 in)
19300.3 mm (0.01 in)
193137.8 mm (1.5 in)
193233.0 mm (1.3 in)
193368.8 mm (2.7 in)
193425.1 mm (1.0 in)
193528.4 mm (1.1 in)
193611.7 mm (0.5 in)
193739.6 mm (1.6 in)
193833.8 mm (1.3 in)
193933.3 mm (1.3 in)
194042.4 mm (1.7 in)
194132.3 mm (1.3 in)
194227.4 mm (1.1 in)
194363.5 mm (2.5 in)
194462.2 mm (2.4 in)
194528.7 mm (1.1 in)
194655.9 mm (2.2 in)
194747.0 mm (1.9 in)
194852.8 mm (2.1 in)
194950.8 mm (2.0 in)
195050.8 mm (2.0 in)
195127.4 mm (1.1 in)
1952108.5 mm (4.3 in)
195331.0 mm (1.2 in)
195440.6 mm (1.6 in)
195536.1 mm (1.4 in)
195635.8 mm (1.4 in)
195730.2 mm (1.2 in)
195843.7 mm (1.7 in)
195941.9 mm (1.6 in)
196043.2 mm (1.7 in)
196131.0 mm (1.2 in)
196244.7 mm (1.8 in)
196323.9 mm (0.9 in)
196443.2 mm (1.7 in)
196550.8 mm (2.0 in)
196648.3 mm (1.9 in)
196735.6 mm (1.4 in)
196847.0 mm (1.9 in)
196934.5 mm (1.4 in)
197046.0 mm (1.8 in)
197147.5 mm (1.9 in)
197246.2 mm (1.8 in)
197322.9 mm (0.9 in)
197421.6 mm (0.9 in)
197553.3 mm (2.1 in)
197626.7 mm (1.1 in)
197737.8 mm (1.5 in)
197877.5 mm (3.1 in)
197916.8 mm (0.7 in)
198029.2 mm (1.1 in)
198139.9 mm (1.6 in)
198234.0 mm (1.3 in)
198362.5 mm (2.5 in)
198429.5 mm (1.2 in)
198575.2 mm (3.0 in)
198624.4 mm (1.0 in)
198743.7 mm (1.7 in)
198826.2 mm (1.0 in)
198921.1 mm (0.8 in)
199039.4 mm (1.6 in)
199141.7 mm (1.6 in)
199243.4 mm (1.7 in)
199336.3 mm (1.4 in)
199435.6 mm (1.4 in)
199533.5 mm (1.3 in)
199646.7 mm (1.8 in)
199740.6 mm (1.6 in)
199844.5 mm (1.8 in)
199988.9 mm (3.5 in)
200054.9 mm (2.2 in)
200127.4 mm (1.1 in)
200273.2 mm (2.9 in)
200350.8 mm (2.0 in)
200424.4 mm (1.0 in)
200541.4 mm (1.6 in)
200631.8 mm (1.3 in)
200753.8 mm (2.1 in)
200838.6 mm (1.5 in)
200944.2 mm (1.7 in)
201061.5 mm (2.4 in)
201143.2 mm (1.7 in)
201234.3 mm (1.4 in)
201333.5 mm (1.3 in)
201459.7 mm (2.4 in)
201543.2 mm (1.7 in)
201639.6 mm (1.6 in)
201730.7 mm (1.2 in)
201847.2 mm (1.9 in)
201958.4 mm (2.3 in)
202034.3 mm (1.4 in)
202145.7 mm (1.8 in)
202231.8 mm (1.3 in)
202373.2 mm (2.9 in)
202434.3 mm (1.4 in)
202569.9 mm (2.8 in)
202633.0 mm (1.3 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Turtle Lake by year The wettest five days of the year at Turtle Lake, 1912 to 2026. The record is 136.1 mm (5.4 in) in 1928, marked on the chart; the median year is 60.4 mm (2.4 in). 050100150192019401960198020002020Record: 136.1 mm (5.4 in) in 1928
The wettest five days of the year at Turtle Lake, 1912 to 2026. The record is 136.1 mm (5.4 in) in 1928, marked on the chart; the median year is 60.4 mm (2.4 in).
Wettest five days (Rx5day) at Turtle Lake by year
YearWettest five days (Rx5day)
191233.5 mm (1.3 in)
191332.8 mm (1.3 in)
191466.3 mm (2.6 in)
191580.0 mm (3.1 in)
191681.2 mm (3.2 in)
191710.1 mm (0.4 in)
191950.0 mm (2.0 in)
192036.1 mm (1.4 in)
1921126.2 mm (5.0 in)
192231.5 mm (1.2 in)
192354.3 mm (2.1 in)
192462.2 mm (2.4 in)
1925105.7 mm (4.2 in)
192690.3 mm (3.6 in)
192798.2 mm (3.9 in)
1928136.1 mm (5.4 in)
192982.3 mm (3.2 in)
1930n/a
19310.0 mm (0.00 in)
193239.4 mm (1.6 in)
193387.6 mm (3.4 in)
193441.1 mm (1.6 in)
193548.5 mm (1.9 in)
193612.8 mm (0.5 in)
193796.8 mm (3.8 in)
193894.0 mm (3.7 in)
193951.4 mm (2.0 in)
194069.4 mm (2.7 in)
194156.4 mm (2.2 in)
194239.3 mm (1.5 in)
1943108.0 mm (4.3 in)
194466.0 mm (2.6 in)
194543.7 mm (1.7 in)
1946114.1 mm (4.5 in)
194760.4 mm (2.4 in)
194865.3 mm (2.6 in)
194987.9 mm (3.5 in)
195052.1 mm (2.1 in)
195150.8 mm (2.0 in)
1952121.7 mm (4.8 in)
195346.3 mm (1.8 in)
195469.3 mm (2.7 in)
195548.7 mm (1.9 in)
195642.4 mm (1.7 in)
195765.5 mm (2.6 in)
195899.3 mm (3.9 in)
195950.3 mm (2.0 in)
196077.2 mm (3.0 in)
196137.8 mm (1.5 in)
196259.2 mm (2.3 in)
196354.8 mm (2.2 in)
196476.9 mm (3.0 in)
196562.8 mm (2.5 in)
196670.9 mm (2.8 in)
196761.8 mm (2.4 in)
196866.8 mm (2.6 in)
196955.8 mm (2.2 in)
197061.0 mm (2.4 in)
197149.3 mm (1.9 in)
197246.2 mm (1.8 in)
197344.3 mm (1.7 in)
197443.3 mm (1.7 in)
197561.3 mm (2.4 in)
197658.2 mm (2.3 in)
197791.8 mm (3.6 in)
197878.8 mm (3.1 in)
197932.1 mm (1.3 in)
198054.7 mm (2.2 in)
198146.5 mm (1.8 in)
198265.8 mm (2.6 in)
198383.8 mm (3.3 in)
198467.1 mm (2.6 in)
198577.5 mm (3.1 in)
198672.6 mm (2.9 in)
198770.2 mm (2.8 in)
198826.2 mm (1.0 in)
198933.0 mm (1.3 in)
199065.6 mm (2.6 in)
199153.3 mm (2.1 in)
199269.0 mm (2.7 in)
199363.0 mm (2.5 in)
199479.8 mm (3.1 in)
199558.7 mm (2.3 in)
199653.3 mm (2.1 in)
199750.0 mm (2.0 in)
199875.0 mm (3.0 in)
1999105.4 mm (4.1 in)
200090.4 mm (3.6 in)
200156.4 mm (2.2 in)
2002102.4 mm (4.0 in)
200368.6 mm (2.7 in)
200453.8 mm (2.1 in)
200584.0 mm (3.3 in)
200635.9 mm (1.4 in)
200766.0 mm (2.6 in)
200855.0 mm (2.2 in)
200951.8 mm (2.0 in)
201079.8 mm (3.1 in)
201146.2 mm (1.8 in)
201236.3 mm (1.4 in)
201356.3 mm (2.2 in)
201494.5 mm (3.7 in)
201543.2 mm (1.7 in)
201656.4 mm (2.2 in)
201750.5 mm (2.0 in)
201867.2 mm (2.6 in)
2019110.7 mm (4.4 in)
202056.9 mm (2.2 in)
202158.4 mm (2.3 in)
202242.1 mm (1.7 in)
202373.2 mm (2.9 in)
202457.2 mm (2.3 in)
202576.4 mm (3.0 in)
202636.6 mm (1.4 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Turtle Lake by year The longest dry spell of the year at Turtle Lake, 1912 to 2026. The record is 111 days in 1915, marked on the chart; the median year is 33 days. 050100150192019401960198020002020Record: 111 days in 1915
The longest dry spell of the year at Turtle Lake, 1912 to 2026. The record is 111 days in 1915, marked on the chart; the median year is 33 days.
Longest dry spell (CDD) at Turtle Lake by year
YearLongest dry spell (CDD)
191237 days
191335 days
191440 days
1915111 days
191630 days
191721 days
191937 days
192028 days
192117 days
192230 days
192325 days
192440 days
192542 days
192628 days
192722 days
192843 days
192915 days
19302 days
193161 days
193223 days
193327 days
193462 days
193524 days
193638 days
193754 days
193833 days
193932 days
194028 days
194130 days
194253 days
194346 days
194433 days
194530 days
194637 days
194729 days
194835 days
194932 days
195030 days
195144 days
195233 days
195326 days
195435 days
195520 days
195629 days
195731 days
195831 days
195933 days
196046 days
196152 days
196233 days
196346 days
196428 days
196547 days
196635 days
196724 days
196839 days
196941 days
197018 days
197140 days
197226 days
197327 days
197428 days
197528 days
197633 days
197733 days
197835 days
197937 days
198048 days
198142 days
198226 days
198330 days
198424 days
198541 days
198643 days
198763 days
198838 days
198926 days
199046 days
199130 days
199233 days
199338 days
199426 days
199525 days
199626 days
199724 days
199846 days
199950 days
200040 days
200139 days
200240 days
200334 days
200427 days
200546 days
200648 days
200728 days
200834 days
200933 days
201023 days
201127 days
201249 days
201333 days
201442 days
201533 days
201634 days
201746 days
201839 days
201933 days
202061 days
202150 days
202237 days
202328 days
202446 days
202551 days
202648 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

84 years with a frost

Across 84 years with a frost, the median last spring frost at Turtle Lake falls on 15 May and the median first autumn frost on 22 September, which leaves a median of 129 days between them.

In 1992 to 2025 the median growing season was 141 days. That is 22 days more than in 1914 to 1963.

Fitted over all years, the growing season changes by +2.8 days per decade at this station.

Frost dates and growing season at Turtle Lake
MeasureMedian, all yearsEarliest period (1914 to 1963)Recent period (1992 to 2025)Recent against earliestFitted trend
Last spring frost15 May17 May15 May2 days earlier-1.2 days per decade
First autumn frost22 September18 September29 September11 days later+1.6 days per decade
Growing days129 days119 days141 days22 days more+2.8 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

96 years, 1913 to 2025

A day with at least 40.5 mm (1.6 in) of rain is expected about once in 2 years. A day with at least 97.1 mm (3.8 in) of rain is expected about once in 100 years.

Rainfall return levels at Turtle Lake: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years40.5 mm (1.6 in)
5 years55.3 mm (2.2 in)
10 years65.2 mm (2.6 in)
25 years77.9 mm (3.1 in)
50 years87.5 mm (3.4 in)
100 years97.1 mm (3.8 in)Longer than the 96 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, 96 years of values from 1913 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: 108.5 mm (4.3 in) in 1952; 88.9 mm (3.5 in) in 1999; 77.5 mm (3.1 in) in 1978.

Station Changes

2 suspected

2 changes were suspected in the annual mean temperature of Turtle Lake, at 1985 and 2015. Each is measured against neighbouring stations.

  • Relative to 5 neighbouring stations, the station's annual mean temperature from 1985 ran 0.5 C (0.8 F) lower than in the years before (likely change).
  • Relative to 5 neighbouring stations, the station's annual mean temperature from 2015 ran 0.5 C (0.8 F) higher than in the years before (likely change).
Suspected changes in the annual mean temperature at Turtle Lake, against neighbouring stations
YearShift (C)Shift (F)StrengthNeighbours
1985-0.5-0.8likely5
2015+0.5+0.8likely5

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

2010 to 2025 against 1961 to 1990

Over 2010 to 2025, Turtle Lake had a mean temperature of 5.4 C (41.6 F) and 448.4 mm (17.7 in) of rain a year. The 3 stations whose 1961 to 1990 climate was closest to that are Edgeley 3WNW (United States, 206 km away), Summit 1 W (United States, 383 km away) and Ashley (United States, 201 km away).

Climate twins of Turtle Lake: stations whose 1961 to 1990 climate is closest to its 2010 to 2025 climate
Twin stationCountryDistance awayMean temperature, 1961-1990Rain a year, 1961-1990Climate difference
Edgeley 3WNWUnited States206 km (128 mi)5.1 C (41.1 F)456.9 mm (18.0 in)0.98
Summit 1 WUnited States383 km (238 mi)5.2 C (41.3 F)541.0 mm (21.3 in)1.08
AshleyUnited States201 km (125 mi)5.1 C (41.3 F)444.4 mm (17.5 in)1.08

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 Turtle Lake standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Turtle Lake 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-12).