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Built 2026-10-15 (15 October 2026)

Friend Mountain California Weather Records (USR0000CFRI)

Record envelope, standing records and threshold days for Friend Mountain California (USR0000CFRI), California, United States, with 34 years of record.

Key Facts for Friend Mountain California

  • Friend Mountain California (USR0000CFRI) is a weather station in California, United States at 40.51 latitude and -123.34 longitude, 1,219 m (4,000 ft) above sea level.
  • The station reports from 1990 to 2023, 34 years of record.
  • 1,464 records set at Friend Mountain California still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Friend Mountain California set a daily record high minimum temperature of 17.8 C (64.0 F) on 7 October 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: California, United States, 40.51 latitude, -123.34 longitude.
  • Elevation: 1,219 m (4,000 ft).
  • Period of record: 1990 to 2023, 34 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

20 days at or beyond a record
Daily record high and record low at Friend Mountain California, with 2026 drawn through them The band shows the record high and record low for each calendar day at Friend Mountain California. The lines show the 2026 daily maximum and minimum. 20 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -200204060 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Friend Mountain California. The lines show the 2026 daily maximum and minimum. 20 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Friend Mountain California, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan24.4 C (75.9 F)-11.1 C (12.0 F)21.1 C (70.0 F)-5.0 C (23.0 F)
Feb27.8 C (82.0 F)-10.6 C (12.9 F)21.7 C (71.1 F)-7.2 C (19.0 F)
Mar28.9 C (84.0 F)-10.6 C (12.9 F)27.8 C (82.0 F)-1.7 C (28.9 F)
Apr31.1 C (88.0 F)-7.8 C (18.0 F)23.3 C (73.9 F)-4.4 C (24.1 F)
May34.4 C (93.9 F)-4.4 C (24.1 F)28.9 C (84.0 F)0.6 C (33.1 F)
Jun39.4 C (102.9 F)-2.8 C (27.0 F)35.6 C (96.1 F)1.7 C (35.1 F)
Jul41.1 C (106.0 F)2.2 C (36.0 F)33.9 C (93.0 F)8.3 C (46.9 F)
Aug40.0 C (104.0 F)2.8 C (37.0 F)37.2 C (99.0 F)8.9 C (48.0 F)
Sep39.4 C (102.9 F)-0.6 C (30.9 F)33.3 C (91.9 F)3.9 C (39.0 F)
Oct35.0 C (95.0 F)-3.3 C (26.1 F)32.8 C (91.0 F)0.6 C (33.1 F)
Nov29.4 C (84.9 F)-10.0 C (14.0 F)n/an/a
Dec22.2 C (72.0 F)-17.2 C (1.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Friend Mountain California by the year they were set 1,464 records at Friend Mountain California still stand. 2002 holds the most, with 68. 0204060801990: 191991: 611992: 391993: 281994: 271995: 161996: 231997: 141998: 361999: 352000: 532001: 522002: 682003: 512004: 132005: 452006: 452007: 312008: 682009: 492010: 452011: 372012: 472013: 452014: 262015: 672016: 442017: 502018: 242019: 382020: 332021: 412022: 492023: 332024: 292025: 372026: 461990199419982002200620102014201820222026
1,464 records at Friend Mountain California still stand. 2002 holds the most, with 68.
Standing records at Friend Mountain California by the year they were set
Year setStanding records
199019
199161
199239
199328
199427
199516
199623
199714
199836
199935
200053
200152
200268
200351
200413
200545
200645
200731
200868
200949
201045
201137
201247
201345
201426
201567
201644
201750
201824
201938
202033
202141
202249
202333
202429
202537
202646

Period of Record Coverage

1990 to 2026
Days with data per year at Friend Mountain California 37 years of record at Friend Mountain California, 1990 to 2026. 13 years have data for under 90 percent of days and are left out of rankings: 1990, 1993, 1994, 1995, 1996, 1997, 1998, 1999 and others. 1990: 113 of 365 days1991: 363 of 365 days1992: 364 of 366 days1993: 209 of 365 days1994: 239 of 365 days1995: 150 of 365 days1996: 165 of 366 days1997: 165 of 365 days1998: 130 of 365 days1999: 211 of 365 days2000: 342 of 366 days2001: 320 of 365 days2002: 275 of 365 days2003: 294 of 365 days2004: 228 of 366 days2005: 364 of 365 days2006: 365 of 365 days2007: 364 of 365 days2008: 366 of 366 days2009: 365 of 365 days2010: 344 of 365 days2011: 364 of 365 days2012: 363 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 364 of 365 days2016: 363 of 366 days2017: 364 of 365 days2018: 365 of 365 days2019: 354 of 365 days2020: 364 of 366 days2021: 364 of 365 days2022: 365 of 365 days2023: 365 of 365 days2024: 366 of 366 days2025: 365 of 365 days2026: 284 of 365 days19901995200020052010201520202025
37 years of record at Friend Mountain California, 1990 to 2026. 13 years have data for under 90 percent of days and are left out of rankings: 1990, 1993, 1994, 1995, 1996, 1997, 1998, 1999 and others.
Days with data per year at Friend Mountain California
YearDays with dataShare of yearComplete
199011331%No
199136399%Yes
199236499%Yes
199320957%No
199423965%No
199515041%No
199616545%No
199716545%No
199813036%No
199921158%No
200034293%Yes
200132088%No
200227575%No
200329481%No
200422862%No
2005364100%Yes
2006365100%Yes
2007364100%Yes
2008366100%Yes
2009365100%Yes
201034494%Yes
2011364100%Yes
201236399%Yes
2013365100%Yes
2014365100%Yes
2015364100%Yes
201636399%Yes
2017364100%Yes
2018365100%Yes
201935497%Yes
202036499%Yes
2021364100%Yes
2022365100%Yes
2023365100%Yes
2024366100%Yes
2025365100%Yes
202628478%No

Latest Records

20
Latest records at Friend Mountain California
DateStationRecordValueBeat old record byOld record stoodSignificance
7 October 2026Friend Mountain California, USdaily high min (Provisional)17.8 C (64.0 F)0.6 C (1.1 F)1 year4 of 100 (Routine)
6 October 2026Friend Mountain California, USdaily high max (Provisional)32.8 C (91.0 F)0.6 C (1.1 F)12 years6 of 100 (Routine)
6 October 2026Friend Mountain California, USdaily high min (Tie, Provisional)17.8 C (64.0 F)tie1 year0 of 100 (Routine)
5 October 2026Friend Mountain California, USmonthly high min (Provisional)19.4 C (66.9 F)0.5 C (0.9 F)6 years15 of 100 (Routine)
4 October 2026Friend Mountain California, USmonthly high min (Tie, Provisional)18.9 C (66.0 F)tie6 years3 of 100 (Routine)
4 September 2026Friend Mountain California, USdaily low max (Provisional)16.1 C (61.0 F)1.1 C (2.0 F)11 years7 of 100 (Routine)
3 September 2026Friend Mountain California, USdaily low max (Provisional)10.6 C (51.1 F)6.6 C (11.9 F)25 years20 of 100 (Routine)
2 September 2026Friend Mountain California, USdaily low max (Provisional)10.0 C (50.0 F)3.3 C (5.9 F)3 years8 of 100 (Routine)
7 August 2026Friend Mountain California, USdaily high max (Tie)37.2 C (99.0 F)tie28 years2 of 100 (Routine)
6 August 2026Friend Mountain California, USdaily high max36.1 C (97.0 F)0.5 C (0.9 F)20 years10 of 100 (Routine)
4 August 2026Friend Mountain California, USdaily high max37.2 C (99.0 F)0.5 C (0.9 F)31 years13 of 100 (Routine)
4 August 2026Friend Mountain California, USdaily high min (Tie)20.0 C (68.0 F)tie4 years1 of 100 (Routine)
28 June 2026Friend Mountain California, USdaily low min (Tie)3.9 C (39.0 F)tie7 years1 of 100 (Routine)
18 June 2026Friend Mountain California, USdaily high min17.8 C (64.0 F)1.7 C (3.1 F)7 years8 of 100 (Routine)
17 June 2026Friend Mountain California, USdaily high max35.6 C (96.1 F)3.4 C (6.1 F)25 years15 of 100 (Routine)
17 June 2026Friend Mountain California, USdaily high min17.8 C (64.0 F)2.2 C (4.0 F)21 years13 of 100 (Routine)
16 June 2026Friend Mountain California, USdaily high min20.0 C (68.0 F)3.9 C (7.0 F)7 years13 of 100 (Routine)
16 June 2026Friend Mountain California, USdaily high max35.0 C (95.0 F)1.7 C (3.1 F)21 years11 of 100 (Routine)
15 June 2026Friend Mountain California, USdaily high min20.0 C (68.0 F)2.8 C (5.0 F)25 years15 of 100 (Routine)
14 June 2026Friend Mountain California, USdaily high min17.2 C (63.0 F)1.1 C (2.0 F)25 years12 of 100 (Routine)

Climate Trend

22 complete years, 1991 to 2025
Annual mean temperature at Friend Mountain California as warming stripes, 1991 to 2025 One stripe for each of 22 complete years at Friend Mountain California, 1991 to 2025. Blue stripes are years cooler than the station's own mean of 11.8 C (53.2 F); red stripes are warmer. The coolest year was 2011, at 10.6 C (51.0 F), and the warmest was 2015, at 13.0 C (55.4 F). The strongest colour marks a difference of 1.3 C (2.3 F). 1991: 12.0 C, +0.2 C from the station mean1992: 12.5 C, +0.8 C from the station mean2005: 11.2 C, -0.5 C from the station mean2006: 11.3 C, -0.5 C from the station mean2007: 11.3 C, -0.4 C from the station mean2008: 11.3 C, -0.5 C from the station mean2009: 11.2 C, -0.5 C from the station mean2011: 10.6 C, -1.2 C from the station mean2012: 11.3 C, -0.5 C from the station mean2013: 12.1 C, +0.3 C from the station mean2014: 12.8 C, +1.1 C from the station mean2015: 13.0 C, +1.3 C from the station mean2016: 11.9 C, +0.1 C from the station mean2017: 11.9 C, +0.1 C from the station mean2018: 11.9 C, +0.1 C from the station mean2019: 11.0 C, -0.8 C from the station mean2020: 12.2 C, +0.5 C from the station mean2021: 12.1 C, +0.3 C from the station mean2022: 11.9 C, +0.2 C from the station mean2023: 10.9 C, -0.9 C from the station mean2024: 11.8 C, 0.0 C from the station mean2025: 12.6 C, +0.8 C from the station mean19911995200020052010201520202025
One stripe for each of 22 complete years at Friend Mountain California, 1991 to 2025. Blue stripes are years cooler than the station's own mean of 11.8 C (53.2 F); red stripes are warmer. The coolest year was 2011, at 10.6 C (51.0 F), and the warmest was 2015, at 13.0 C (55.4 F). The strongest colour marks a difference of 1.3 C (2.3 F).
Annual mean temperature at Friend Mountain California as warming stripes, 1991 to 2025
YearAnnual mean temperatureDifference from the station mean
199112.0 C+0.20 C
199212.5 C+0.79 C
200511.2 C-0.54 C
200611.3 C-0.46 C
200711.3 C-0.44 C
200811.3 C-0.45 C
200911.2 C-0.51 C
201110.6 C-1.17 C
201211.3 C-0.47 C
201312.1 C+0.32 C
201412.8 C+1.07 C
201513.0 C+1.26 C
201611.9 C+0.11 C
201711.9 C+0.10 C
201811.9 C+0.15 C
201911.0 C-0.78 C
202012.2 C+0.46 C
202112.1 C+0.32 C
202211.9 C+0.16 C
202310.9 C-0.89 C
202411.8 C+0.04 C
202512.6 C+0.83 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

1990 to 2026
Yearly extremes at Friend Mountain California: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)41.1 C (106.0 F)202237.8 C (100.0 F)37
Coldest night (TNn)-17.2 C (1.0 F)1990-7.8 C (18.0 F)37

Hottest day (TXx)

Hottest day (TXx) at Friend Mountain California by year The hottest day of the year at Friend Mountain California, 1990 to 2026. The record is 41.1 C (106.0 F) in 2022, marked on the chart; the median year is 37.8 C (100.0 F). 32.53537.54042.51990200020102020Record: 41.1 C (106.0 F) in 2022
The hottest day of the year at Friend Mountain California, 1990 to 2026. The record is 41.1 C (106.0 F) in 2022, marked on the chart; the median year is 37.8 C (100.0 F).
Hottest day (TXx) at Friend Mountain California by year
YearHottest day (TXx)
199032.8 C (91.0 F)
199138.3 C (100.9 F)
199237.8 C (100.0 F)
199337.8 C (100.0 F)
199436.1 C (97.0 F)
199536.7 C (98.1 F)
199637.2 C (99.0 F)
199737.2 C (99.0 F)
199838.9 C (102.0 F)
199940.0 C (104.0 F)
200037.8 C (100.0 F)
200136.7 C (98.1 F)
200240.6 C (105.1 F)
200339.4 C (102.9 F)
200437.8 C (100.0 F)
200537.8 C (100.0 F)
200638.9 C (102.0 F)
200738.3 C (100.9 F)
200837.8 C (100.0 F)
200937.8 C (100.0 F)
201037.2 C (99.0 F)
201136.1 C (97.0 F)
201238.9 C (102.0 F)
201339.4 C (102.9 F)
201438.3 C (100.9 F)
201537.8 C (100.0 F)
201640.0 C (104.0 F)
201739.4 C (102.9 F)
201836.7 C (98.1 F)
201936.7 C (98.1 F)
202036.1 C (97.0 F)
202138.3 C (100.9 F)
202241.1 C (106.0 F)
202337.2 C (99.0 F)
202440.0 C (104.0 F)
202537.2 C (99.0 F)
202637.2 C (99.0 F)

Coldest night (TNn)

Coldest night (TNn) at Friend Mountain California by year The coldest night of the year at Friend Mountain California, 1990 to 2026. The record is -17.2 C (1.0 F) in 1990, marked on the chart; the median year is -7.8 C (18.0 F). -20-15-10-501990200020102020Record: -17.2 C (1.0 F) in 1990
The coldest night of the year at Friend Mountain California, 1990 to 2026. The record is -17.2 C (1.0 F) in 1990, marked on the chart; the median year is -7.8 C (18.0 F).
Coldest night (TNn) at Friend Mountain California by year
YearColdest night (TNn)
1990-17.2 C (1.0 F)
1991-7.2 C (19.0 F)
1992-6.7 C (19.9 F)
1993-7.8 C (18.0 F)
1994-10.0 C (14.0 F)
1995-2.2 C (28.0 F)
1996-5.6 C (21.9 F)
1997-1.7 C (28.9 F)
1998-2.2 C (28.0 F)
1999-5.6 C (21.9 F)
2000-7.2 C (19.0 F)
2001-8.3 C (17.1 F)
2002-8.9 C (16.0 F)
2003-5.6 C (21.9 F)
2004-6.1 C (21.0 F)
2005-6.7 C (19.9 F)
2006-10.6 C (12.9 F)
2007-11.1 C (12.0 F)
2008-10.0 C (14.0 F)
2009-10.0 C (14.0 F)
2010-10.0 C (14.0 F)
2011-10.6 C (12.9 F)
2012-8.9 C (16.0 F)
2013-11.7 C (10.9 F)
2014-7.2 C (19.0 F)
2015-8.3 C (17.1 F)
2016-8.9 C (16.0 F)
2017-7.8 C (18.0 F)
2018-10.0 C (14.0 F)
2019-9.4 C (15.1 F)
2020-7.2 C (19.0 F)
2021-7.8 C (18.0 F)
2022-9.4 C (15.1 F)
2023-8.3 C (17.1 F)
2024-7.2 C (19.0 F)
2025-7.8 C (18.0 F)
2026-7.2 C (19.0 F)

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

22 years with a frost

Across 22 years with a frost, the median last spring frost at Friend Mountain California falls on 30 May and the median first autumn frost on 24 October, which leaves a median of 142 days between them.

Frost dates and growing season at Friend Mountain California
MeasureMedian, all yearsEarliest periodRecent period (1991 to 2025)Recent against earliestFitted trend
Last spring frost30 Mayn/a30 Mayn/an/a
First autumn frost24 Octobern/a24 Octobern/an/a
Growing days142 daysn/a142 daysn/an/a

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.

Download the Data

  • Data for Friend Mountain California standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Friend Mountain California 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 (2026-10-13).