Lassen Lodge California Weather Records (USR0000CLAS)

Record envelope, standing records and threshold days for Lassen Lodge California (USR0000CLAS), California, United States, with 34 years of record.

Key Facts for Lassen Lodge California

Lassen Lodge California (USR0000CLAS) is a weather station in California, United States at 40.34 latitude and -121.71 longitude, 1,268 m (4,159 ft) above sea level.
The station reports from 1990 to 2023, 34 years of record.
1,464 records set at Lassen Lodge California still stand.
Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
Lassen Lodge California set a daily record high minimum temperature of 20.6 C (69.1 F) on 8 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, 40.34 latitude, -121.71 longitude.
Elevation: 1,268 m (4,159 ft).
Period of record: 1990 to 2023, 34 years.
Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

30 days at or beyond a record

The band shows the record high and record low for each calendar day at Lassen Lodge California. The lines show the 2026 daily maximum and minimum. 30 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Lassen Lodge California, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	25.0 C (77.0 F)	-11.7 C (10.9 F)	23.3 C (73.9 F)	-2.8 C (27.0 F)
Feb	24.4 C (75.9 F)	-8.9 C (16.0 F)	22.8 C (73.0 F)	-6.7 C (19.9 F)
Mar	31.1 C (88.0 F)	-8.3 C (17.1 F)	31.1 C (88.0 F)	0.0 C (32.0 F)
Apr	30.6 C (87.1 F)	-7.2 C (19.0 F)	24.4 C (75.9 F)	-1.7 C (28.9 F)
May	35.0 C (95.0 F)	-3.3 C (26.1 F)	29.4 C (84.9 F)	2.8 C (37.0 F)
Jun	40.6 C (105.1 F)	-0.6 C (30.9 F)	36.1 C (97.0 F)	6.7 C (44.1 F)
Jul	42.2 C (108.0 F)	6.7 C (44.1 F)	35.0 C (95.0 F)	13.9 C (57.0 F)
Aug	40.6 C (105.1 F)	5.6 C (42.1 F)	38.9 C (102.0 F)	12.8 C (55.0 F)
Sep	40.6 C (105.1 F)	0.6 C (33.1 F)	35.0 C (95.0 F)	6.1 C (43.0 F)
Oct	36.7 C (98.1 F)	-2.8 C (27.0 F)	34.4 C (93.9 F)	7.8 C (46.0 F)
Nov	27.2 C (81.0 F)	-8.3 C (17.1 F)	n/a	n/a
Dec	25.0 C (77.0 F)	-18.9 C (-2.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Lassen Lodge California still stand. 1999 holds the most, with 69.

Standing records at Lassen Lodge California by the year they were set
Year set	Standing records
1990	65
1991	54
1995	45
1996	31
1997	28
1998	48
1999	69
2000	58
2001	40
2002	37
2003	43
2004	40
2005	40
2006	48
2007	35
2008	55
2009	45
2010	41
2011	42
2012	46
2013	45
2014	31
2015	40
2016	14
2017	57
2018	19
2019	34
2020	42
2021	49
2022	58
2023	36
2024	46
2025	46
2026	37

All-Time Record Progression

1 new records

1 all-time records were set at Lassen Lodge California between 6 July 2024 and 6 July 2024. Each dot is a new record.

Period of Record Coverage

1990 to 2026

34 years of record at Lassen Lodge California, 1990 to 2026. 3 years have data for under 90 percent of days and are left out of rankings: 1990, 1996, 2026.

Days with data per year at Lassen Lodge California
Year	Days with data	Share of year	Complete
1990	237	65%	No
1991	340	93%	Yes
1995	341	93%	Yes
1996	255	70%	No
1997	365	100%	Yes
1998	330	90%	Yes
1999	361	99%	Yes
2000	357	98%	Yes
2001	364	100%	Yes
2002	364	100%	Yes
2003	365	100%	Yes
2004	365	100%	Yes
2005	365	100%	Yes
2006	365	100%	Yes
2007	365	100%	Yes
2008	366	100%	Yes
2009	365	100%	Yes
2010	365	100%	Yes
2011	365	100%	Yes
2012	362	99%	Yes
2013	362	99%	Yes
2014	364	100%	Yes
2015	365	100%	Yes
2016	364	99%	Yes
2017	363	99%	Yes
2018	365	100%	Yes
2019	365	100%	Yes
2020	366	100%	Yes
2021	365	100%	Yes
2022	365	100%	Yes
2023	365	100%	Yes
2024	365	100%	Yes
2025	363	99%	Yes
2026	284	78%	No

Latest Records

Latest records at Lassen Lodge California
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
8 October 2026	Lassen Lodge California, US	daily high min (Provisional)	20.6 C (69.1 F)	0.6 C (1.1 F)	29 years	12 of 100 (Routine)
6 October 2026	Lassen Lodge California, US	daily high max (Provisional)	34.4 C (93.9 F)	1.1 C (2.0 F)	1 year	4 of 100 (Routine)
6 October 2026	Lassen Lodge California, US	daily high min (Tie, Provisional)	20.0 C (68.0 F)	tie	1 year	0 of 100 (Routine)
5 October 2026	Lassen Lodge California, US	daily high min (Provisional)	21.7 C (71.1 F)	1.1 C (2.0 F)	12 years	8 of 100 (Routine)
5 October 2026	Lassen Lodge California, US	daily high max (Provisional)	33.3 C (91.9 F)	0.5 C (0.9 F)	12 years	6 of 100 (Routine)
4 October 2026	Lassen Lodge California, US	daily high min (Provisional)	21.7 C (71.1 F)	1.7 C (3.1 F)	35 years	16 of 100 (Routine)
4 October 2026	Lassen Lodge California, US	daily high max (Provisional)	33.3 C (91.9 F)	1.6 C (2.9 F)	35 years	15 of 100 (Routine)
3 October 2026	Lassen Lodge California, US	daily high max (Provisional)	34.4 C (93.9 F)	1.1 C (2.0 F)	13 years	8 of 100 (Routine)
3 September 2026	Lassen Lodge California, US	daily low max (Provisional)	12.2 C (54.0 F)	3.9 C (7.0 F)	25 years	17 of 100 (Routine)
10 August 2026	Lassen Lodge California, US	daily high min (Tie)	22.8 C (73.0 F)	tie	29 years	2 of 100 (Routine)
9 August 2026	Lassen Lodge California, US	daily high min	23.3 C (73.9 F)	1.1 C (2.0 F)	24 years	13 of 100 (Routine)
8 August 2026	Lassen Lodge California, US	daily high max	38.3 C (100.9 F)	0.5 C (0.9 F)	28 years	12 of 100 (Routine)
8 August 2026	Lassen Lodge California, US	daily high min	23.3 C (73.9 F)	0.5 C (0.9 F)	24 years	11 of 100 (Routine)
7 August 2026	Lassen Lodge California, US	daily high min	23.3 C (73.9 F)	0.5 C (0.9 F)	36 years	14 of 100 (Routine)
28 June 2026	Lassen Lodge California, US	daily low min (Tie)	6.7 C (44.1 F)	tie	29 years	2 of 100 (Routine)
16 June 2026	Lassen Lodge California, US	daily high max	35.0 C (95.0 F)	0.6 C (1.1 F)	21 years	10 of 100 (Routine)
15 June 2026	Lassen Lodge California, US	daily high max (Tie)	36.1 C (97.0 F)	tie	25 years	2 of 100 (Routine)
13 June 2026	Lassen Lodge California, US	daily high min	20.0 C (68.0 F)	0.6 C (1.1 F)	11 years	7 of 100 (Routine)
13 June 2026	Lassen Lodge California, US	daily high max (Tie)	34.4 C (93.9 F)	tie	25 years	2 of 100 (Routine)
12 May 2026	Lassen Lodge California, US	daily high min (Tie)	15.6 C (60.1 F)	tie	29 years	2 of 100 (Routine)

Climate Trend

28 complete years, 1997 to 2025

One stripe for each of 28 complete years at Lassen Lodge California, 1997 to 2025. Blue stripes are years cooler than the station's own mean of 13.9 C (57.0 F); red stripes are warmer. The coolest year was 2010, at 12.5 C (54.5 F), and the warmest was 2020, at 15.1 C (59.2 F). The strongest colour marks a difference of 1.5 C (2.7 F).

Annual mean temperature at Lassen Lodge California as warming stripes, 1997 to 2025
Year	Annual mean temperature	Difference from the station mean
1997	13.4 C	-0.48 C
1999	12.7 C	-1.17 C
2000	12.7 C	-1.23 C
2001	13.6 C	-0.30 C
2002	13.7 C	-0.24 C
2003	13.6 C	-0.27 C
2004	13.8 C	-0.15 C
2005	13.4 C	-0.51 C
2006	13.2 C	-0.69 C
2007	13.7 C	-0.17 C
2008	14.0 C	+0.07 C
2009	13.9 C	-0.06 C
2010	12.5 C	-1.41 C
2011	13.0 C	-0.95 C
2012	14.0 C	+0.08 C
2013	14.5 C	+0.55 C
2014	14.9 C	+0.94 C
2015	14.9 C	+1.01 C
2016	13.9 C	-0.01 C
2017	14.4 C	+0.45 C
2018	14.6 C	+0.66 C
2019	13.4 C	-0.51 C
2020	15.1 C	+1.21 C
2021	14.9 C	+1.02 C
2022	14.8 C	+0.90 C
2023	13.5 C	-0.46 C
2024	14.5 C	+0.63 C
2025	15.1 C	+1.17 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 Lassen Lodge California: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	42.2 C (108.0 F)	2024	38.9 C (102.0 F)	34
Coldest night (TNn)	-18.9 C (-2.0 F)	1990	-7.5 C (18.5 F)	34

Hottest day (TXx)

The hottest day of the year at Lassen Lodge California, 1990 to 2026. The record is 42.2 C (108.0 F) in 2024, marked on the chart; the median year is 38.9 C (102.0 F).

Hottest day (TXx) at Lassen Lodge California by year
Year	Hottest day (TXx)
1990	36.7 C (98.1 F)
1991	37.2 C (99.0 F)
1995	36.7 C (98.1 F)
1996	38.9 C (102.0 F)
1997	39.4 C (102.9 F)
1998	40.6 C (105.1 F)
1999	38.3 C (100.9 F)
2000	37.2 C (99.0 F)
2001	38.3 C (100.9 F)
2002	40.0 C (104.0 F)
2003	40.6 C (105.1 F)
2004	38.3 C (100.9 F)
2005	39.4 C (102.9 F)
2006	40.0 C (104.0 F)
2007	38.9 C (102.0 F)
2008	39.4 C (102.9 F)
2009	38.9 C (102.0 F)
2010	38.9 C (102.0 F)
2011	36.7 C (98.1 F)
2012	40.6 C (105.1 F)
2013	39.4 C (102.9 F)
2014	37.8 C (100.0 F)
2015	37.8 C (100.0 F)
2016	38.3 C (100.9 F)
2017	39.4 C (102.9 F)
2018	37.2 C (99.0 F)
2019	36.7 C (98.1 F)
2020	40.0 C (104.0 F)
2021	40.0 C (104.0 F)
2022	40.6 C (105.1 F)
2023	38.9 C (102.0 F)
2024	42.2 C (108.0 F)
2025	38.3 C (100.9 F)
2026	38.9 C (102.0 F)

Coldest night (TNn)

The coldest night of the year at Lassen Lodge California, 1990 to 2026. The record is -18.9 C (-2.0 F) in 1990, marked on the chart; the median year is -7.5 C (18.5 F).

Coldest night (TNn) at Lassen Lodge California by year
Year	Coldest night (TNn)
1990	-18.9 C (-2.0 F)
1991	-6.7 C (19.9 F)
1995	-7.2 C (19.0 F)
1996	-5.6 C (21.9 F)
1997	-11.7 C (10.9 F)
1998	-11.1 C (12.0 F)
1999	-8.3 C (17.1 F)
2000	-4.4 C (24.1 F)
2001	-6.7 C (19.9 F)
2002	-8.9 C (16.0 F)
2003	-5.6 C (21.9 F)
2004	-8.3 C (17.1 F)
2005	-5.6 C (21.9 F)
2006	-7.8 C (18.0 F)
2007	-8.9 C (16.0 F)
2008	-7.8 C (18.0 F)
2009	-9.4 C (15.1 F)
2010	-8.3 C (17.1 F)
2011	-8.9 C (16.0 F)
2012	-7.8 C (18.0 F)
2013	-10.0 C (14.0 F)
2014	-4.4 C (24.1 F)
2015	-6.1 C (21.0 F)
2016	-6.7 C (19.9 F)
2017	-5.6 C (21.9 F)
2018	-7.8 C (18.0 F)
2019	-7.8 C (18.0 F)
2020	-5.0 C (23.0 F)
2021	-6.1 C (21.0 F)
2022	-6.7 C (19.9 F)
2023	-8.3 C (17.1 F)
2024	-5.6 C (21.9 F)
2025	-3.3 C (26.1 F)
2026	-6.7 C (19.9 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

28 years with a frost

Across 28 years with a frost, the median last spring frost at Lassen Lodge California falls on 2 May and the median first autumn frost on 9 November, which leaves a median of 194 days between them.

Fitted over all years, the growing season changes by +11.8 days per decade at this station.

Frost dates and growing season at Lassen Lodge California
Measure	Median, all years	Earliest period	Recent period (1997 to 2025)	Recent against earliest	Fitted trend
Last spring frost	2 May	n/a	2 May	n/a	-7.0 days per decade
First autumn frost	9 November	n/a	9 November	n/a	+4.8 days per decade
Growing days	194 days	n/a	194 days	n/a	+11.8 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.

Download the Data

Data for Lassen Lodge California standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Lassen Lodge 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 2026-10-13. Last revised 13 October 2026 (2026-10-13).