Tehachapi 4 SE Weather Records (USC00048829)

Record envelope, standing records and threshold days for Tehachapi 4 SE (USC00048829), California, United States, with 30 years of record.

Key Facts for Tehachapi 4 SE

Tehachapi 4 SE (USC00048829) is a weather station in California, United States at 35.10 latitude and -118.42 longitude, 1,286 m (4,220 ft) above sea level.
The station reports from 1997 to 2026, 30 years of record.
1,464 records set at Tehachapi 4 SE still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: California, United States, 35.10 latitude, -118.42 longitude.
Elevation: 1,286 m (4,220 ft).
Period of record: 1997 to 2026, 30 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

32 days at or beyond a record

The band shows the record high and record low for each calendar day at Tehachapi 4 SE. The lines show the 2026 daily maximum and minimum. 32 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Tehachapi 4 SE, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	22.2 C (72.0 F)	-13.3 C (8.1 F)	17.2 C (63.0 F)	-6.7 C (19.9 F)
Feb	22.2 C (72.0 F)	-13.9 C (7.0 F)	20.6 C (69.1 F)	-5.6 C (21.9 F)
Mar	26.1 C (79.0 F)	-10.6 C (12.9 F)	24.4 C (75.9 F)	-2.2 C (28.0 F)
Apr	28.9 C (84.0 F)	-7.2 C (19.0 F)	24.4 C (75.9 F)	-2.8 C (27.0 F)
May	34.4 C (93.9 F)	-3.9 C (25.0 F)	30.6 C (87.1 F)	1.1 C (34.0 F)
Jun	38.3 C (100.9 F)	0.0 C (32.0 F)	33.3 C (91.9 F)	5.0 C (41.0 F)
Jul	39.4 C (102.9 F)	6.7 C (44.1 F)	34.4 C (93.9 F)	7.8 C (46.0 F)
Aug	38.9 C (102.0 F)	3.9 C (39.0 F)	36.7 C (98.1 F)	9.4 C (48.9 F)
Sep	37.2 C (99.0 F)	-1.7 C (28.9 F)	35.0 C (95.0 F)	6.7 C (44.1 F)
Oct	36.1 C (97.0 F)	-6.7 C (19.9 F)	26.7 C (80.1 F)	0.0 C (32.0 F)
Nov	26.7 C (80.1 F)	-8.3 C (17.1 F)	25.6 C (78.1 F)	-1.1 C (30.0 F)
Dec	23.3 C (73.9 F)	-13.3 C (8.1 F)	21.7 C (71.1 F)	-3.9 C (25.0 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Tehachapi 4 SE still stand. 2007 holds the most, with 79.

Standing records at Tehachapi 4 SE by the year they were set
Year set	Standing records
1997	22
1998	70
1999	68
2000	64
2001	49
2002	61
2003	52
2004	40
2005	44
2006	62
2007	79
2008	57
2009	74
2010	46
2011	64
2012	30
2013	54
2014	32
2015	59
2016	45
2017	61
2018	44
2019	57
2020	44
2021	56
2022	17
2023	27
2024	41
2025	45

Wettest Day of Each Month

Aug: 121.9 mm (4.8 in)

The wettest day on record for each calendar month at Tehachapi 4 SE. The most was 121.9 mm (4.8 in) on 21 August 2023.

Record daily precipitation for each month at Tehachapi 4 SE
Month	Record daily precipitation (mm)	Date
Jan	43.9 mm (1.7 in)	11 January 2001
Feb	71.1 mm (2.8 in)	18 February 2017
Mar	75.7 mm (3.0 in)	21 March 2011
Apr	22.1 mm (0.9 in)	15 April 2012
May	28.4 mm (1.1 in)	20 May 2019
Jun	10.2 mm (0.4 in)	7 June 2009
Jul	27.9 mm (1.1 in)	20 July 2015
Aug	121.9 mm (4.8 in)	21 August 2023
Sep	23.9 mm (0.9 in)	4 September 1998
Oct	36.6 mm (1.4 in)	18 October 2005
Nov	43.9 mm (1.7 in)	8 November 2002
Dec	57.9 mm (2.3 in)	24 December 2025

Period of Record Coverage

1997 to 2025

29 years of record at Tehachapi 4 SE, 1997 to 2025. 21 years have data for under 90 percent of days and are left out of rankings: 1997, 2000, 2001, 2002, 2004, 2005, 2008, 2010 and others.

Days with data per year at Tehachapi 4 SE
Year	Days with data	Share of year	Complete
1997	150	41%	No
1998	359	98%	Yes
1999	357	98%	Yes
2000	297	81%	No
2001	237	65%	No
2002	327	90%	No
2003	333	91%	Yes
2004	295	81%	No
2005	317	87%	No
2006	352	96%	Yes
2007	336	92%	Yes
2008	327	89%	No
2009	331	91%	Yes
2010	265	73%	No
2011	276	76%	No
2012	232	63%	No
2013	248	68%	No
2014	277	76%	No
2015	306	84%	No
2016	323	88%	No
2017	333	91%	Yes
2018	340	93%	Yes
2019	307	84%	No
2020	295	81%	No
2021	290	79%	No
2022	72	20%	No
2023	218	60%	No
2024	185	51%	No
2025	279	76%	No

Latest Records

No records were set at this station in the latest data.

Climate Trend

11 complete years, 1998 to 2019

One stripe for each of 11 complete years at Tehachapi 4 SE, 1998 to 2019. Blue stripes are years cooler than the station's own mean of 12.8 C (55.0 F); red stripes are warmer. The coolest year was 1998, at 11.5 C (52.7 F), and the warmest was 2015, at 13.6 C (56.4 F). The strongest colour marks a difference of 1.3 C (2.3 F).

Annual mean temperature at Tehachapi 4 SE as warming stripes, 1998 to 2019
Year	Annual mean temperature	Difference from the station mean
1998	11.5 C	-1.25 C
1999	12.9 C	+0.10 C
2006	12.9 C	+0.12 C
2007	12.7 C	-0.10 C
2008	12.7 C	-0.10 C
2009	12.5 C	-0.26 C
2015	13.6 C	+0.81 C
2016	13.1 C	+0.30 C
2017	13.5 C	+0.76 C
2018	13.3 C	+0.52 C
2019	11.9 C	-0.89 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

1997 to 2026

Yearly extremes at Tehachapi 4 SE: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	39.4 C (102.9 F)	2023	36.7 C (98.1 F)	30
Coldest night (TNn)	-13.9 C (7.0 F)	2022	-8.9 C (16.0 F)	30
Wettest day (Rx1day)	121.9 mm (4.8 in)	2023	31.4 mm (1.2 in)	30
Wettest five days (Rx5day)	153.9 mm (6.1 in)	2010	54.8 mm (2.2 in)	30
Longest dry spell (CDD)	182 days	2004	60 days	30

Hottest day (TXx)

The hottest day of the year at Tehachapi 4 SE, 1997 to 2026. The record is 39.4 C (102.9 F) in 2023, marked on the chart; the median year is 36.7 C (98.1 F).

Hottest day (TXx) at Tehachapi 4 SE by year
Year	Hottest day (TXx)
1997	36.7 C (98.1 F)
1998	37.8 C (100.0 F)
1999	34.4 C (93.9 F)
2000	36.1 C (97.0 F)
2001	37.2 C (99.0 F)
2002	38.9 C (102.0 F)
2003	36.7 C (98.1 F)
2004	35.0 C (95.0 F)
2005	36.1 C (97.0 F)
2006	36.7 C (98.1 F)
2007	38.3 C (100.9 F)
2008	35.6 C (96.1 F)
2009	36.7 C (98.1 F)
2010	36.1 C (97.0 F)
2011	35.6 C (96.1 F)
2012	36.1 C (97.0 F)
2013	37.2 C (99.0 F)
2014	35.0 C (95.0 F)
2015	36.7 C (98.1 F)
2016	36.1 C (97.0 F)
2017	36.7 C (98.1 F)
2018	36.1 C (97.0 F)
2019	35.0 C (95.0 F)
2020	38.9 C (102.0 F)
2021	38.3 C (100.9 F)
2022	36.7 C (98.1 F)
2023	39.4 C (102.9 F)
2024	39.4 C (102.9 F)
2025	36.7 C (98.1 F)
2026	36.1 C (97.0 F)

Coldest night (TNn)

The coldest night of the year at Tehachapi 4 SE, 1997 to 2026. The record is -13.9 C (7.0 F) in 2022, marked on the chart; the median year is -8.9 C (16.0 F).

Coldest night (TNn) at Tehachapi 4 SE by year
Year	Coldest night (TNn)
1997	-7.2 C (19.0 F)
1998	-13.3 C (8.1 F)
1999	-8.3 C (17.1 F)
2000	-10.6 C (12.9 F)
2001	-8.9 C (16.0 F)
2002	-8.9 C (16.0 F)
2003	-9.4 C (15.1 F)
2004	-9.4 C (15.1 F)
2005	-6.1 C (21.0 F)
2006	-10.0 C (14.0 F)
2007	-13.3 C (8.1 F)
2008	-9.4 C (15.1 F)
2009	-10.6 C (12.9 F)
2010	-6.1 C (21.0 F)
2011	-8.9 C (16.0 F)
2012	-7.2 C (19.0 F)
2013	-11.7 C (10.9 F)
2014	-10.0 C (14.0 F)
2015	-11.7 C (10.9 F)
2016	-7.2 C (19.0 F)
2017	-7.2 C (19.0 F)
2018	-12.2 C (10.0 F)
2019	-8.9 C (16.0 F)
2020	-8.9 C (16.0 F)
2021	-8.9 C (16.0 F)
2022	-13.9 C (7.0 F)
2023	-10.0 C (14.0 F)
2024	-7.2 C (19.0 F)
2025	-6.7 C (19.9 F)
2026	-5.0 C (23.0 F)

Wettest day (Rx1day)

The wettest day of the year at Tehachapi 4 SE, 1997 to 2026. The record is 121.9 mm (4.8 in) in 2023, marked on the chart; the median year is 31.4 mm (1.2 in).

Wettest day (Rx1day) at Tehachapi 4 SE by year
Year	Wettest day (Rx1day)
1997	45.7 mm (1.8 in)
1998	44.7 mm (1.8 in)
1999	41.1 mm (1.6 in)
2000	27.4 mm (1.1 in)
2001	43.9 mm (1.7 in)
2002	43.9 mm (1.7 in)
2003	48.3 mm (1.9 in)
2004	29.7 mm (1.2 in)
2005	49.5 mm (1.9 in)
2006	29.2 mm (1.1 in)
2007	15.2 mm (0.6 in)
2008	30.5 mm (1.2 in)
2009	13.7 mm (0.5 in)
2010	56.9 mm (2.2 in)
2011	75.7 mm (3.0 in)
2012	22.1 mm (0.9 in)
2013	24.1 mm (0.9 in)
2014	30.5 mm (1.2 in)
2015	27.9 mm (1.1 in)
2016	34.3 mm (1.4 in)
2017	71.1 mm (2.8 in)
2018	27.9 mm (1.1 in)
2019	32.3 mm (1.3 in)
2020	25.4 mm (1.0 in)
2021	25.4 mm (1.0 in)
2022	21.6 mm (0.9 in)
2023	121.9 mm (4.8 in)
2024	46.2 mm (1.8 in)
2025	57.9 mm (2.3 in)
2026	24.9 mm (1.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Tehachapi 4 SE, 1997 to 2026. The record is 153.9 mm (6.1 in) in 2010, marked on the chart; the median year is 54.8 mm (2.2 in).

Wettest five days (Rx5day) at Tehachapi 4 SE by year
Year	Wettest five days (Rx5day)
1997	71.4 mm (2.8 in)
1998	91.9 mm (3.6 in)
1999	50.8 mm (2.0 in)
2000	53.3 mm (2.1 in)
2001	54.8 mm (2.2 in)
2002	80.3 mm (3.2 in)
2003	69.1 mm (2.7 in)
2004	54.8 mm (2.2 in)
2005	99.7 mm (3.9 in)
2006	49.5 mm (1.9 in)
2007	25.4 mm (1.0 in)
2008	74.4 mm (2.9 in)
2009	20.4 mm (0.8 in)
2010	153.9 mm (6.1 in)
2011	83.0 mm (3.3 in)
2012	19.0 mm (0.7 in)
2013	27.4 mm (1.1 in)
2014	52.0 mm (2.0 in)
2015	38.8 mm (1.5 in)
2016	60.5 mm (2.4 in)
2017	92.3 mm (3.6 in)
2018	50.8 mm (2.0 in)
2019	62.1 mm (2.4 in)
2020	43.2 mm (1.7 in)
2021	30.9 mm (1.2 in)
2022	23.6 mm (0.9 in)
2023	131.6 mm (5.2 in)
2024	84.3 mm (3.3 in)
2025	104.8 mm (4.1 in)
2026	50.0 mm (2.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Tehachapi 4 SE, 1997 to 2026. The record is 182 days in 2004, marked on the chart; the median year is 60 days.

Longest dry spell (CDD) at Tehachapi 4 SE by year
Year	Longest dry spell (CDD)
1997	32 days
1998	77 days
1999	118 days
2000	81 days
2001	66 days
2002	117 days
2003	58 days
2004	182 days
2005	75 days
2006	71 days
2007	151 days
2008	56 days
2009	129 days
2010	129 days
2011	19 days
2012	16 days
2013	17 days
2014	61 days
2015	17 days
2016	34 days
2017	49 days
2018	58 days
2019	18 days
2020	12 days
2021	15 days
2022	11 days
2023	78 days
2024	31 days
2025	136 days
2026	95 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.

Download the Data

Data for Tehachapi 4 SE standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Tehachapi 4 SE 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).