Las Trampas California Weather Records (USR0000CTRA)

Record envelope, standing records and threshold days for Las Trampas California (USR0000CTRA), California, United States, with 30 years of record.

Key Facts for Las Trampas California

Las Trampas California (USR0000CTRA) is a weather station in California, United States at 37.83 latitude and -122.07 longitude, 536 m (1,760 ft) above sea level.
The station reports from 1994 to 2023, 30 years of record.
1,464 records set at Las Trampas California still stand.
Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
Las Trampas California set a daily record high maximum temperature of 37.8 C (100.0 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, 37.83 latitude, -122.07 longitude.
Elevation: 536 m (1,760 ft).
Period of record: 1994 to 2023, 30 years.
Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

28 days at or beyond a record

The band shows the record high and record low for each calendar day at Las Trampas California. The lines show the 2026 daily maximum and minimum. 28 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Las Trampas California, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	23.3 C (73.9 F)	-3.9 C (25.0 F)	18.9 C (66.0 F)	2.8 C (37.0 F)
Feb	24.4 C (75.9 F)	-1.7 C (28.9 F)	24.4 C (75.9 F)	0.6 C (33.1 F)
Mar	28.3 C (82.9 F)	-1.7 C (28.9 F)	28.3 C (82.9 F)	6.1 C (43.0 F)
Apr	31.1 C (88.0 F)	0.0 C (32.0 F)	26.1 C (79.0 F)	5.0 C (41.0 F)
May	37.2 C (99.0 F)	2.8 C (37.0 F)	31.7 C (89.1 F)	7.2 C (45.0 F)
Jun	41.1 C (106.0 F)	5.6 C (42.1 F)	36.7 C (98.1 F)	7.8 C (46.0 F)
Jul	45.6 C (114.1 F)	7.2 C (45.0 F)	39.4 C (102.9 F)	8.9 C (48.0 F)
Aug	41.1 C (106.0 F)	7.8 C (46.0 F)	38.9 C (102.0 F)	10.6 C (51.1 F)
Sep	43.3 C (109.9 F)	7.2 C (45.0 F)	37.8 C (100.0 F)	9.4 C (48.9 F)
Oct	40.0 C (104.0 F)	3.3 C (37.9 F)	37.8 C (100.0 F)	8.9 C (48.0 F)
Nov	28.9 C (84.0 F)	0.0 C (32.0 F)	n/a	n/a
Dec	20.6 C (69.1 F)	-3.9 C (25.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Las Trampas California still stand. 1998 holds the most, with 77.

Standing records at Las Trampas California by the year they were set
Year set	Standing records
1994	36
1995	53
1996	66
1997	28
1998	77
1999	75
2000	45
2001	42
2002	64
2003	38
2004	45
2005	35
2006	54
2007	37
2008	36
2009	50
2010	67
2011	60
2012	46
2013	16
2014	48
2015	32
2016	41
2017	47
2018	25
2019	38
2020	41
2021	39
2022	51
2023	33
2024	42
2025	27
2026	30

Period of Record Coverage

1994 to 2026

33 years of record at Las Trampas California, 1994 to 2026. 8 years have data for under 90 percent of days and are left out of rankings: 1994, 2000, 2001, 2007, 2008, 2013, 2016, 2026.

Days with data per year at Las Trampas California
Year	Days with data	Share of year	Complete
1994	259	71%	No
1995	353	97%	Yes
1996	364	99%	Yes
1997	362	99%	Yes
1998	365	100%	Yes
1999	363	99%	Yes
2000	257	70%	No
2001	320	88%	No
2002	365	100%	Yes
2003	365	100%	Yes
2004	349	95%	Yes
2005	330	90%	Yes
2006	364	100%	Yes
2007	286	78%	No
2008	189	52%	No
2009	365	100%	Yes
2010	365	100%	Yes
2011	365	100%	Yes
2012	365	100%	Yes
2013	281	77%	No
2014	365	100%	Yes
2015	363	99%	Yes
2016	302	83%	No
2017	365	100%	Yes
2018	365	100%	Yes
2019	365	100%	Yes
2020	355	97%	Yes
2021	364	100%	Yes
2022	365	100%	Yes
2023	365	100%	Yes
2024	366	100%	Yes
2025	364	100%	Yes
2026	284	78%	No

Latest Records

Latest records at Las Trampas California
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 October 2026	Las Trampas California, US	daily high max (Provisional)	37.8 C (100.0 F)	3.9 C (7.0 F)	12 years	13 of 100 (Routine)
6 October 2026	Las Trampas California, US	daily high max (Provisional)	34.4 C (93.9 F)	1.1 C (2.0 F)	12 years	8 of 100 (Routine)
5 October 2026	Las Trampas California, US	daily high max (Provisional)	34.4 C (93.9 F)	1.1 C (2.0 F)	1 year	5 of 100 (Routine)
4 October 2026	Las Trampas California, US	daily high min (Provisional)	25.6 C (78.1 F)	0.6 C (1.1 F)	1 year	4 of 100 (Routine)
23 August 2026	Las Trampas California, US	daily high max (Provisional)	35.0 C (95.0 F)	0.6 C (1.1 F)	4 years	5 of 100 (Routine)
2 August 2026	Las Trampas California, US	daily high max	37.2 C (99.0 F)	0.5 C (0.9 F)	28 years	11 of 100 (Routine)
14 July 2026	Las Trampas California, US	daily high max	39.4 C (102.9 F)	2.2 C (4.0 F)	3 years	6 of 100 (Routine)
13 July 2026	Las Trampas California, US	daily high min (Tie)	23.3 C (73.9 F)	tie	20 years	2 of 100 (Routine)
7 July 2026	Las Trampas California, US	daily low max (Tie)	15.6 C (60.1 F)	tie	3 years	0 of 100 (Routine)
12 June 2026	Las Trampas California, US	daily high min	21.1 C (70.0 F)	2.2 C (4.0 F)	11 years	10 of 100 (Routine)
12 June 2026	Las Trampas California, US	daily high max (Tie)	35.0 C (95.0 F)	tie	11 years	1 of 100 (Routine)
5 May 2026	Las Trampas California, US	daily low max (Tie)	12.8 C (55.0 F)	tie	28 years	2 of 100 (Routine)
12 April 2026	Las Trampas California, US	daily low max	8.9 C (48.0 F)	0.5 C (0.9 F)	23 years	9 of 100 (Routine)
5 April 2026	Las Trampas California, US	daily high min	16.1 C (61.0 F)	2.8 C (5.0 F)	29 years	18 of 100 (Routine)
4 April 2026	Las Trampas California, US	daily high min (Tie)	13.3 C (55.9 F)	tie	31 years	3 of 100 (Routine)
30 March 2026	Las Trampas California, US	daily high max	26.1 C (79.0 F)	0.5 C (0.9 F)	24 years	11 of 100 (Routine)
29 March 2026	Las Trampas California, US	daily high min	18.3 C (64.9 F)	3.9 C (7.0 F)	8 years	15 of 100 (Routine)
29 March 2026	Las Trampas California, US	daily high max	27.8 C (82.0 F)	1.1 C (2.0 F)	11 years	8 of 100 (Routine)
28 March 2026	Las Trampas California, US	daily high min	16.1 C (61.0 F)	2.8 C (5.0 F)	24 years	17 of 100 (Routine)
28 March 2026	Las Trampas California, US	daily high max (Tie)	24.4 C (75.9 F)	tie	11 years	1 of 100 (Routine)

Climate Trend

21 complete years, 1996 to 2025

One stripe for each of 21 complete years at Las Trampas California, 1996 to 2025. Blue stripes are years cooler than the station's own mean of 14.9 C (58.7 F); red stripes are warmer. The coolest year was 2011, at 13.6 C (56.5 F), and the warmest was 2014, at 16.1 C (61.0 F). The strongest colour marks a difference of 1.3 C (2.3 F).

Annual mean temperature at Las Trampas California as warming stripes, 1996 to 2025
Year	Annual mean temperature	Difference from the station mean
1996	15.4 C	+0.51 C
1997	15.2 C	+0.33 C
1998	13.8 C	-1.09 C
1999	14.1 C	-0.77 C
2002	14.5 C	-0.35 C
2003	14.5 C	-0.32 C
2006	14.7 C	-0.21 C
2009	14.3 C	-0.55 C
2010	13.6 C	-1.24 C
2011	13.6 C	-1.27 C
2012	14.6 C	-0.25 C
2014	16.1 C	+1.26 C
2015	15.6 C	+0.72 C
2017	15.6 C	+0.73 C
2018	15.3 C	+0.41 C
2019	14.9 C	+0.00 C
2021	15.3 C	+0.44 C
2022	15.7 C	+0.84 C
2023	14.3 C	-0.52 C
2024	15.9 C	+1.08 C
2025	15.1 C	+0.20 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

1994 to 2026

Yearly extremes at Las Trampas California: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	45.6 C (114.1 F)	2006	39.4 C (102.9 F)	33
Coldest night (TNn)	-3.9 C (25.0 F)	1997	0.0 C (32.0 F)	33

Hottest day (TXx)

The hottest day of the year at Las Trampas California, 1994 to 2026. The record is 45.6 C (114.1 F) in 2006, marked on the chart; the median year is 39.4 C (102.9 F).

Hottest day (TXx) at Las Trampas California by year
Year	Hottest day (TXx)
1994	37.2 C (99.0 F)
1995	37.8 C (100.0 F)
1996	39.4 C (102.9 F)
1997	40.0 C (104.0 F)
1998	41.1 C (106.0 F)
1999	40.0 C (104.0 F)
2000	39.4 C (102.9 F)
2001	37.8 C (100.0 F)
2002	42.8 C (109.0 F)
2003	38.3 C (100.9 F)
2004	38.3 C (100.9 F)
2005	38.9 C (102.0 F)
2006	45.6 C (114.1 F)
2007	40.6 C (105.1 F)
2008	40.0 C (104.0 F)
2009	40.0 C (104.0 F)
2010	38.3 C (100.9 F)
2011	35.6 C (96.1 F)
2012	39.4 C (102.9 F)
2013	39.4 C (102.9 F)
2014	37.2 C (99.0 F)
2015	39.4 C (102.9 F)
2016	37.8 C (100.0 F)
2017	40.0 C (104.0 F)
2018	36.7 C (98.1 F)
2019	38.9 C (102.0 F)
2020	42.8 C (109.0 F)
2021	41.1 C (106.0 F)
2022	43.3 C (109.9 F)
2023	39.4 C (102.9 F)
2024	42.8 C (109.0 F)
2025	38.9 C (102.0 F)
2026	39.4 C (102.9 F)

Coldest night (TNn)

The coldest night of the year at Las Trampas California, 1994 to 2026. The record is -3.9 C (25.0 F) in 1997, marked on the chart; the median year is 0.0 C (32.0 F).

Coldest night (TNn) at Las Trampas California by year
Year	Coldest night (TNn)
1994	0.6 C (33.1 F)
1995	0.6 C (33.1 F)
1996	-0.6 C (30.9 F)
1997	-3.9 C (25.0 F)
1998	-3.9 C (25.0 F)
1999	0.0 C (32.0 F)
2000	2.8 C (37.0 F)
2001	0.0 C (32.0 F)
2002	-1.1 C (30.0 F)
2003	0.6 C (33.1 F)
2004	0.0 C (32.0 F)
2005	0.6 C (33.1 F)
2006	-0.6 C (30.9 F)
2007	-1.7 C (28.9 F)
2008	-0.6 C (30.9 F)
2009	-2.8 C (27.0 F)
2010	0.0 C (32.0 F)
2011	-1.7 C (28.9 F)
2012	-0.6 C (30.9 F)
2013	-0.6 C (30.9 F)
2014	1.1 C (34.0 F)
2015	-0.6 C (30.9 F)
2016	0.0 C (32.0 F)
2017	-1.7 C (28.9 F)
2018	-0.6 C (30.9 F)
2019	-0.6 C (30.9 F)
2020	0.6 C (33.1 F)
2021	0.6 C (33.1 F)
2022	0.6 C (33.1 F)
2023	-1.7 C (28.9 F)
2024	1.1 C (34.0 F)
2025	1.1 C (34.0 F)
2026	0.6 C (33.1 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.

Download the Data

Data for Las Trampas California standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Las Trampas 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).