Groveland 2 Weather Records (USC00043669)

Record envelope, standing records and threshold days for Groveland 2 (USC00043669), California, United States, with 78 years of record.

Key Facts for Groveland 2

Groveland 2 (USC00043669) is a weather station in California, United States at 37.84 latitude and -120.23 longitude, 853 m (2,800 ft) above sea level.
The station reports from 1948 to 2025, 78 years of record.
1,464 records set at Groveland 2 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, 37.84 latitude, -120.23 longitude.
Elevation: 853 m (2,800 ft).
Period of record: 1948 to 2025, 78 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 Groveland 2. 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 Groveland 2, 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)	-12.8 C (9.0 F)	18.3 C (64.9 F)	-3.9 C (25.0 F)
Feb	24.4 C (75.9 F)	-8.3 C (17.1 F)	n/a	n/a
Mar	28.3 C (82.9 F)	-8.9 C (16.0 F)	n/a	n/a
Apr	30.6 C (87.1 F)	-5.0 C (23.0 F)	n/a	n/a
May	36.1 C (97.0 F)	-2.2 C (28.0 F)	n/a	n/a
Jun	40.0 C (104.0 F)	0.6 C (33.1 F)	n/a	n/a
Jul	41.7 C (107.1 F)	4.4 C (39.9 F)	n/a	n/a
Aug	40.6 C (105.1 F)	4.4 C (39.9 F)	n/a	n/a
Sep	42.2 C (108.0 F)	0.0 C (32.0 F)	n/a	n/a
Oct	37.8 C (100.0 F)	-3.3 C (26.1 F)	n/a	n/a
Nov	30.6 C (87.1 F)	-7.2 C (19.0 F)	n/a	n/a
Dec	23.9 C (75.0 F)	-11.7 C (10.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Groveland 2 still stand. 2007 holds the most, with 92.

Standing records at Groveland 2 by the year they were set
Year set	Standing records
2000	45
2001	62
2002	61
2003	63
2004	64
2005	29
2006	64
2007	92
2008	68
2009	67
2010	75
2011	75
2012	71
2013	48
2014	38
2015	59
2016	46
2017	69
2018	28
2019	65
2020	53
2021	48
2022	57
2023	53
2024	64

Wettest Day of Each Month

Nov: 162.3 mm (6.4 in)

The wettest day on record for each calendar month at Groveland 2. The most was 162.3 mm (6.4 in) on 18 November 1950.

Record daily precipitation for each month at Groveland 2
Month	Record daily precipitation (mm)	Date
Jan	83.8 mm (3.3 in)	5 January 2008
Feb	73.9 mm (2.9 in)	4 February 1950
Mar	123.7 mm (4.9 in)	23 March 2018
Apr	61.5 mm (2.4 in)	6 April 2020
May	64.0 mm (2.5 in)	22 May 2006
Jun	41.9 mm (1.6 in)	29 June 2011
Jul	2.8 mm (0.11 in)	3 July 2015
Aug	14.0 mm (0.6 in)	2 August 2003
Sep	33.3 mm (1.3 in)	19 September 2022
Oct	121.2 mm (4.8 in)	25 October 2021
Nov	162.3 mm (6.4 in)	18 November 1950
Dec	104.1 mm (4.1 in)	11 December 2022

Period of Record Coverage

2000 to 2025

26 years of record at Groveland 2, 2000 to 2025. 4 years have data for under 90 percent of days and are left out of rankings: 2000, 2014, 2015, 2025.

Days with data per year at Groveland 2
Year	Days with data	Share of year	Complete
2000	184	50%	No
2001	364	100%	Yes
2002	364	100%	Yes
2003	365	100%	Yes
2004	366	100%	Yes
2005	356	98%	Yes
2006	351	96%	Yes
2007	348	95%	Yes
2008	354	97%	Yes
2009	365	100%	Yes
2010	355	97%	Yes
2011	363	99%	Yes
2012	366	100%	Yes
2013	341	93%	Yes
2014	323	88%	No
2015	327	90%	No
2016	357	98%	Yes
2017	350	96%	Yes
2018	365	100%	Yes
2019	360	99%	Yes
2020	364	99%	Yes
2021	352	96%	Yes
2022	362	99%	Yes
2023	360	99%	Yes
2024	343	94%	Yes
2025	24	7%	No

Latest Records

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

Climate Trend

23 complete years, 2001 to 2024

One stripe for each of 23 complete years at Groveland 2, 2001 to 2024. Blue stripes are years cooler than the station's own mean of 13.4 C (56.1 F); red stripes are warmer. The coolest year was 2007, at 12.2 C (54.0 F), and the warmest was 2024, at 14.6 C (58.3 F). The strongest colour marks a difference of 1.3 C (2.3 F).

Annual mean temperature at Groveland 2 as warming stripes, 2001 to 2024
Year	Annual mean temperature	Difference from the station mean
2001	13.3 C	-0.13 C
2002	13.1 C	-0.30 C
2003	13.5 C	+0.14 C
2004	13.1 C	-0.25 C
2005	13.0 C	-0.34 C
2006	12.7 C	-0.65 C
2007	12.2 C	-1.14 C
2008	12.6 C	-0.80 C
2009	13.1 C	-0.27 C
2010	12.5 C	-0.88 C
2011	12.3 C	-1.09 C
2012	13.5 C	+0.10 C
2013	13.3 C	-0.07 C
2014	14.6 C	+1.19 C
2016	13.6 C	+0.20 C
2017	13.9 C	+0.53 C
2018	13.9 C	+0.51 C
2019	13.0 C	-0.34 C
2020	14.4 C	+1.05 C
2021	14.5 C	+1.07 C
2022	14.0 C	+0.62 C
2023	13.1 C	-0.29 C
2024	14.6 C	+1.24 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

1948 to 2026

Yearly extremes at Groveland 2: 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)	2022	38.9 C (102.0 F)	26
Coldest night (TNn)	-12.8 C (9.0 F)	2007	-7.2 C (19.0 F)	26
Wettest day (Rx1day)	162.3 mm (6.4 in)	1950	68.9 mm (2.7 in)	32
Wettest five days (Rx5day)	262.9 mm (10.4 in)	2017	142.7 mm (5.6 in)	31
Longest dry spell (CDD)	172 days	2020	101 days	32

Hottest day (TXx)

The hottest day of the year at Groveland 2, 1948 to 2026. The record is 42.2 C (108.0 F) in 2022, marked on the chart; the median year is 38.9 C (102.0 F).

Hottest day (TXx) at Groveland 2 by year
Year	Hottest day (TXx)
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1955	n/a
2000	38.3 C (100.9 F)
2001	38.9 C (102.0 F)
2002	38.9 C (102.0 F)
2003	37.8 C (100.0 F)
2004	36.7 C (98.1 F)
2005	38.3 C (100.9 F)
2006	40.6 C (105.1 F)
2007	40.6 C (105.1 F)
2008	40.0 C (104.0 F)
2009	40.6 C (105.1 F)
2010	40.6 C (105.1 F)
2011	36.1 C (97.0 F)
2012	39.4 C (102.9 F)
2013	38.3 C (100.9 F)
2014	37.8 C (100.0 F)
2015	38.3 C (100.9 F)
2016	38.9 C (102.0 F)
2017	38.9 C (102.0 F)
2018	37.2 C (99.0 F)
2019	36.7 C (98.1 F)
2020	40.0 C (104.0 F)
2021	41.7 C (107.1 F)
2022	42.2 C (108.0 F)
2023	40.0 C (104.0 F)
2024	41.1 C (106.0 F)
2025	18.3 C (64.9 F)
2026	n/a

Coldest night (TNn)

The coldest night of the year at Groveland 2, 1948 to 2026. The record is -12.8 C (9.0 F) in 2007, marked on the chart; the median year is -7.2 C (19.0 F).

Coldest night (TNn) at Groveland 2 by year
Year	Coldest night (TNn)
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1955	n/a
2000	-5.0 C (23.0 F)
2001	-6.7 C (19.9 F)
2002	-9.4 C (15.1 F)
2003	-5.6 C (21.9 F)
2004	-7.2 C (19.0 F)
2005	-7.2 C (19.0 F)
2006	-7.2 C (19.0 F)
2007	-12.8 C (9.0 F)
2008	-10.0 C (14.0 F)
2009	-11.7 C (10.9 F)
2010	-7.2 C (19.0 F)
2011	-7.2 C (19.0 F)
2012	-7.8 C (18.0 F)
2013	-7.8 C (18.0 F)
2014	-6.1 C (21.0 F)
2015	-7.8 C (18.0 F)
2016	-6.7 C (19.9 F)
2017	-6.1 C (21.0 F)
2018	-7.2 C (19.0 F)
2019	-8.9 C (16.0 F)
2020	-8.3 C (17.1 F)
2021	-3.9 C (25.0 F)
2022	-8.3 C (17.1 F)
2023	-6.1 C (21.0 F)
2024	-6.7 C (19.9 F)
2025	-3.9 C (25.0 F)
2026	n/a

Wettest day (Rx1day)

The wettest day of the year at Groveland 2, 1948 to 2026. The record is 162.3 mm (6.4 in) in 1950, marked on the chart; the median year is 68.9 mm (2.7 in).

Wettest day (Rx1day) at Groveland 2 by year
Year	Wettest day (Rx1day)
1948	32.3 mm (1.3 in)
1949	71.6 mm (2.8 in)
1950	162.3 mm (6.4 in)
1951	58.7 mm (2.3 in)
1955	0.0 mm (0.00 in)
2000	45.7 mm (1.8 in)
2001	70.9 mm (2.8 in)
2002	83.6 mm (3.3 in)
2003	55.9 mm (2.2 in)
2004	68.6 mm (2.7 in)
2005	65.3 mm (2.6 in)
2006	64.0 mm (2.5 in)
2007	50.8 mm (2.0 in)
2008	83.8 mm (3.3 in)
2009	114.3 mm (4.5 in)
2010	66.3 mm (2.6 in)
2011	69.3 mm (2.7 in)
2012	64.8 mm (2.6 in)
2013	24.4 mm (1.0 in)
2014	48.3 mm (1.9 in)
2015	91.4 mm (3.6 in)
2016	90.2 mm (3.6 in)
2017	73.7 mm (2.9 in)
2018	123.7 mm (4.9 in)
2019	94.7 mm (3.7 in)
2020	61.5 mm (2.4 in)
2021	121.2 mm (4.8 in)
2022	104.1 mm (4.1 in)
2023	76.5 mm (3.0 in)
2024	91.2 mm (3.6 in)
2025	14.7 mm (0.6 in)
2026	39.3 mm (1.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Groveland 2, 1948 to 2026. The record is 262.9 mm (10.4 in) in 2017, marked on the chart; the median year is 142.7 mm (5.6 in).

Wettest five days (Rx5day) at Groveland 2 by year
Year	Wettest five days (Rx5day)
1948	70.7 mm (2.8 in)
1949	105.2 mm (4.1 in)
1950	248.9 mm (9.8 in)
1951	71.1 mm (2.8 in)
1955	n/a
2000	84.5 mm (3.3 in)
2001	95.8 mm (3.8 in)
2002	149.3 mm (5.9 in)
2003	110.5 mm (4.4 in)
2004	153.2 mm (6.0 in)
2005	177.5 mm (7.0 in)
2006	175.4 mm (6.9 in)
2007	122.3 mm (4.8 in)
2008	154.2 mm (6.1 in)
2009	119.7 mm (4.7 in)
2010	156.2 mm (6.1 in)
2011	170.4 mm (6.7 in)
2012	162.1 mm (6.4 in)
2013	36.4 mm (1.4 in)
2014	78.4 mm (3.1 in)
2015	131.3 mm (5.2 in)
2016	141.4 mm (5.6 in)
2017	262.9 mm (10.4 in)
2018	187.5 mm (7.4 in)
2019	163.0 mm (6.4 in)
2020	142.4 mm (5.6 in)
2021	159.0 mm (6.3 in)
2022	174.3 mm (6.9 in)
2023	207.9 mm (8.2 in)
2024	142.7 mm (5.6 in)
2025	17.0 mm (0.7 in)
2026	70.5 mm (2.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Groveland 2, 1948 to 2026. The record is 172 days in 2020, marked on the chart; the median year is 101 days.

Longest dry spell (CDD) at Groveland 2 by year
Year	Longest dry spell (CDD)
1948	102 days
1949	98 days
1950	67 days
1951	103 days
1955	1 day
2000	60 days
2001	90 days
2002	169 days
2003	83 days
2004	114 days
2005	59 days
2006	131 days
2007	118 days
2008	128 days
2009	99 days
2010	127 days
2011	74 days
2012	128 days
2013	35 days
2014	27 days
2015	42 days
2016	159 days
2017	102 days
2018	139 days
2019	105 days
2020	172 days
2021	164 days
2022	86 days
2023	42 days
2024	151 days
2025	20 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.

Frost Dates and Growing Season

23 years with a frost

Across 23 years with a frost, the median last spring frost at Groveland 2 falls on 1 May and the median first autumn frost on 30 October, which leaves a median of 173 days between them.

Frost dates and growing season at Groveland 2
Measure	Median, all years	Earliest period	Recent period (2001 to 2024)	Recent against earliest	Fitted trend
Last spring frost	1 May	n/a	1 May	n/a	n/a
First autumn frost	30 October	n/a	30 October	n/a	n/a
Growing days	173 days	n/a	173 days	n/a	n/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 Groveland 2 standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Groveland 2 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).