Amboy Weather Records (USC00040176)

Record envelope, standing records and threshold days for Amboy (USC00040176), California, United States, with 79 years of record.

Key Facts for Amboy

Amboy (USC00040176) is a weather station in California, United States at 34.56 latitude and -115.74 longitude, 201 m (658 ft) above sea level.
The station reports from 1948 to 2026, 79 years of record.
1,464 records set at Amboy 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, 34.56 latitude, -115.74 longitude.
Elevation: 201 m (658 ft).
Period of record: 1948 to 2026, 79 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Amboy. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Amboy, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	29.4 C (84.9 F)	-13.3 C (8.1 F)	n/a	n/a
Feb	33.3 C (91.9 F)	-4.4 C (24.1 F)	n/a	n/a
Mar	37.2 C (99.0 F)	0.6 C (33.1 F)	n/a	n/a
Apr	41.7 C (107.1 F)	5.0 C (41.0 F)	n/a	n/a
May	43.9 C (111.0 F)	5.0 C (41.0 F)	n/a	n/a
Jun	50.0 C (122.0 F)	14.4 C (57.9 F)	n/a	n/a
Jul	50.6 C (123.1 F)	21.1 C (70.0 F)	n/a	n/a
Aug	48.3 C (118.9 F)	18.3 C (64.9 F)	n/a	n/a
Sep	45.6 C (114.1 F)	10.0 C (50.0 F)	n/a	n/a
Oct	42.8 C (109.0 F)	5.0 C (41.0 F)	n/a	n/a
Nov	34.4 C (93.9 F)	-5.0 C (23.0 F)	n/a	n/a
Dec	27.2 C (81.0 F)	-3.9 C (25.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Amboy still stand. 2013 holds the most, with 201.

Wettest Day of Each Month

Mar: 33.0 mm (1.3 in)

The wettest day on record for each calendar month at Amboy. The most was 33.0 mm (1.3 in) on 13 March 2020.

Record daily precipitation for each month at Amboy
Month	Record daily precipitation (mm)	Date
Jan	22.1 mm (0.9 in)	1 January 2017
Feb	25.4 mm (1.0 in)	15 February 2019
Mar	33.0 mm (1.3 in)	13 March 2020
Apr	7.6 mm (0.30 in)	26 April 2012
May	5.8 mm (0.23 in)	14 May 1951
Jun	0.3 mm (0.01 in)	4 June 2025
Jul	31.0 mm (1.2 in)	31 July 2012
Aug	21.6 mm (0.9 in)	23 August 2012
Sep	12.7 mm (0.5 in)	21 September 2016
Oct	21.6 mm (0.9 in)	13 October 2018
Nov	17.3 mm (0.7 in)	16 November 2025
Dec	20.3 mm (0.8 in)	22 December 2010

Period of Record Coverage

2010 to 2024

13 years of record at Amboy, 2010 to 2024. 8 years have data for under 90 percent of days and are left out of rankings: 2010, 2011, 2012, 2014, 2019, 2020, 2023, 2024.

Days with data per year at Amboy
Year	Days with data	Share of year	Complete
2010	319	87%	No
2011	321	88%	No
2012	305	83%	No
2013	337	92%	Yes
2014	114	31%	No
2015	342	94%	Yes
2016	356	97%	Yes
2017	361	99%	Yes
2018	358	98%	Yes
2019	233	64%	No
2020	73	20%	No
2023	157	43%	No
2024	182	50%	No

Latest Records

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

Extremes by Year

1948 to 2026

Yearly extremes at Amboy: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	50.6 C (123.1 F)	2013	47.8 C (118.0 F)	13
Coldest night (TNn)	-13.3 C (8.1 F)	2013	-2.8 C (27.0 F)	13
Wettest day (Rx1day)	33.0 mm (1.3 in)	2020	13.2 mm (0.5 in)	19
Wettest five days (Rx5day)	40.1 mm (1.6 in)	2012	17.3 mm (0.7 in)	19
Longest dry spell (CDD)	225 days	2010	84 days	19

Hottest day (TXx)

The hottest day of the year at Amboy, 1948 to 2026. The record is 50.6 C (123.1 F) in 2013, marked on the chart; the median year is 47.8 C (118.0 F).

Hottest day (TXx) at Amboy by year
Year	Hottest day (TXx)
1948	n/a
1949	n/a
1950	n/a
1951	n/a
2010	47.2 C (117.0 F)
2011	47.8 C (118.0 F)
2012	48.9 C (120.0 F)
2013	50.6 C (123.1 F)
2014	37.8 C (100.0 F)
2015	47.8 C (118.0 F)
2016	49.4 C (120.9 F)
2017	49.4 C (120.9 F)
2018	48.9 C (120.0 F)
2019	46.7 C (116.1 F)
2020	41.7 C (107.1 F)
2023	50.0 C (122.0 F)
2024	42.2 C (108.0 F)
2025	n/a
2026	n/a

Coldest night (TNn)

The coldest night of the year at Amboy, 1948 to 2026. The record is -13.3 C (8.1 F) in 2013, marked on the chart; the median year is -2.8 C (27.0 F).

Coldest night (TNn) at Amboy by year
Year	Coldest night (TNn)
1948	n/a
1949	n/a
1950	n/a
1951	n/a
2010	-5.0 C (23.0 F)
2011	-4.4 C (24.1 F)
2012	-0.6 C (30.9 F)
2013	-13.3 C (8.1 F)
2014	-3.3 C (26.1 F)
2015	-3.9 C (25.0 F)
2016	-2.8 C (27.0 F)
2017	-0.6 C (30.9 F)
2018	0.0 C (32.0 F)
2019	-2.8 C (27.0 F)
2020	-5.6 C (21.9 F)
2023	2.2 C (36.0 F)
2024	-1.1 C (30.0 F)
2025	n/a
2026	n/a

Wettest day (Rx1day)

The wettest day of the year at Amboy, 1948 to 2026. The record is 33.0 mm (1.3 in) in 2020, marked on the chart; the median year is 13.2 mm (0.5 in).

Wettest day (Rx1day) at Amboy by year
Year	Wettest day (Rx1day)
1948	13.2 mm (0.5 in)
1949	17.5 mm (0.7 in)
1950	10.7 mm (0.4 in)
1951	11.2 mm (0.4 in)
2010	20.3 mm (0.8 in)
2011	10.7 mm (0.4 in)
2012	31.0 mm (1.2 in)
2013	10.2 mm (0.4 in)
2014	2.5 mm (0.10 in)
2015	8.9 mm (0.35 in)
2016	17.8 mm (0.7 in)
2017	22.1 mm (0.9 in)
2018	21.6 mm (0.9 in)
2019	25.4 mm (1.0 in)
2020	33.0 mm (1.3 in)
2023	5.6 mm (0.22 in)
2024	7.9 mm (0.31 in)
2025	17.3 mm (0.7 in)
2026	8.4 mm (0.33 in)

Wettest five days (Rx5day)

The wettest five days of the year at Amboy, 1948 to 2026. The record is 40.1 mm (1.6 in) in 2012, marked on the chart; the median year is 17.3 mm (0.7 in).

Wettest five days (Rx5day) at Amboy by year
Year	Wettest five days (Rx5day)
1948	17.3 mm (0.7 in)
1949	19.8 mm (0.8 in)
1950	10.7 mm (0.4 in)
1951	11.2 mm (0.4 in)
2010	39.1 mm (1.5 in)
2011	13.2 mm (0.5 in)
2012	40.1 mm (1.6 in)
2013	10.7 mm (0.4 in)
2014	2.5 mm (0.10 in)
2015	18.9 mm (0.7 in)
2016	32.3 mm (1.3 in)
2017	22.9 mm (0.9 in)
2018	24.6 mm (1.0 in)
2019	31.8 mm (1.3 in)
2020	0.0 mm (0.00 in)
2023	10.9 mm (0.4 in)
2024	11.4 mm (0.4 in)
2025	30.5 mm (1.2 in)
2026	14.0 mm (0.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Amboy, 1948 to 2026. The record is 225 days in 2010, marked on the chart; the median year is 84 days.

Longest dry spell (CDD) at Amboy by year
Year	Longest dry spell (CDD)
1948	74 days
1949	143 days
1950	91 days
1951	103 days
2010	225 days
2011	40 days
2012	61 days
2013	73 days
2014	84 days
2015	73 days
2016	88 days
2017	146 days
2018	99 days
2019	28 days
2020	11 days
2023	50 days
2024	160 days
2025	134 days
2026	70 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 Amboy standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Amboy 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).