Groveland Weather Records (USC00043666)

Record envelope, standing records and threshold days for Groveland (USC00043666), California, United States, with 50 years of record.

Key Facts for Groveland

Groveland (USC00043666) is a weather station in California, United States at 37.83 latitude and -120.22 longitude, 854 m (2,802 ft) above sea level.
The station reports from 1905 to 1954, 50 years of record.
1,464 records set at Groveland 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, 37.83 latitude, -120.22 longitude.
Elevation: 854 m (2,802 ft).
Period of record: 1905 to 1954, 50 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. 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, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	21.7 C (71.1 F)	-18.9 C (-2.0 F)	n/a	n/a
Feb	28.9 C (84.0 F)	-13.3 C (8.1 F)	n/a	n/a
Mar	30.6 C (87.1 F)	-11.1 C (12.0 F)	n/a	n/a
Apr	30.6 C (87.1 F)	-3.3 C (26.1 F)	n/a	n/a
May	36.7 C (98.1 F)	-5.0 C (23.0 F)	n/a	n/a
Jun	38.9 C (102.0 F)	1.7 C (35.1 F)	n/a	n/a
Jul	38.9 C (102.0 F)	2.8 C (37.0 F)	n/a	n/a
Aug	38.3 C (100.9 F)	4.4 C (39.9 F)	n/a	n/a
Sep	36.1 C (97.0 F)	1.7 C (35.1 F)	n/a	n/a
Oct	31.7 C (89.1 F)	-2.2 C (28.0 F)	n/a	n/a
Nov	25.6 C (78.1 F)	-5.0 C (23.0 F)	n/a	n/a
Dec	23.9 C (75.0 F)	-13.9 C (7.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Groveland still stand. 1910 holds the most, with 227.

Wettest Day of Each Month

Jan: 121.9 mm (4.8 in)

The wettest day on record for each calendar month at Groveland. The most was 121.9 mm (4.8 in) on 13 January 1909.

Record daily precipitation for each month at Groveland
Month	Record daily precipitation (mm)	Date
Jan	121.9 mm (4.8 in)	13 January 1909
Feb	65.0 mm (2.6 in)	13 February 1954
Mar	75.2 mm (3.0 in)	7 March 1911
Apr	56.1 mm (2.2 in)	10 April 1912
May	55.9 mm (2.2 in)	27 May 1906
Jun	29.5 mm (1.2 in)	9 June 1954
Jul	7.6 mm (0.30 in)	30 July 1952
Aug	1.5 mm (0.06 in)	28 August 1949
Sep	20.3 mm (0.8 in)	7 September 1912
Oct	102.1 mm (4.0 in)	15 October 1908
Nov	96.0 mm (3.8 in)	18 November 1950
Dec	88.9 mm (3.5 in)	11 December 1906

Period of Record Coverage

1908 to 1949

11 years of record at Groveland, 1908 to 1949. 7 years have data for under 90 percent of days and are left out of rankings: 1908, 1909, 1912, 1915, 1916, 1948, 1949.

Days with data per year at Groveland
Year	Days with data	Share of year	Complete
1908	246	67%	No
1909	266	73%	No
1910	362	99%	Yes
1911	365	100%	Yes
1912	305	83%	No
1913	362	99%	Yes
1914	356	98%	Yes
1915	62	17%	No
1916	134	37%	No
1948	31	8%	No
1949	31	8%	No

Latest Records

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

Extremes by Year

1905 to 1954

Yearly extremes at Groveland: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	38.9 C (102.0 F)	1908	35.0 C (95.0 F)	11
Coldest night (TNn)	-18.9 C (-2.0 F)	1916	-10.6 C (12.9 F)	11
Wettest day (Rx1day)	121.9 mm (4.8 in)	1909	65.0 mm (2.6 in)	19
Wettest five days (Rx5day)	277.3 mm (10.9 in)	1911	114.8 mm (4.5 in)	19
Longest dry spell (CDD)	143 days	1905	80 days	19

Hottest day (TXx)

The hottest day of the year at Groveland, 1905 to 1954. The record is 38.9 C (102.0 F) in 1908, marked on the chart; the median year is 35.0 C (95.0 F).

Hottest day (TXx) at Groveland by year
Year	Hottest day (TXx)
1905	n/a
1906	n/a
1907	n/a
1908	38.9 C (102.0 F)
1909	34.4 C (93.9 F)
1910	36.7 C (98.1 F)
1911	37.2 C (99.0 F)
1912	35.0 C (95.0 F)
1913	38.3 C (100.9 F)
1914	38.9 C (102.0 F)
1915	23.9 C (75.0 F)
1916	30.6 C (87.1 F)
1948	17.8 C (64.0 F)
1949	15.6 C (60.1 F)
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a

Coldest night (TNn)

The coldest night of the year at Groveland, 1905 to 1954. The record is -18.9 C (-2.0 F) in 1916, marked on the chart; the median year is -10.6 C (12.9 F).

Coldest night (TNn) at Groveland by year
Year	Coldest night (TNn)
1905	n/a
1906	n/a
1907	n/a
1908	-9.4 C (15.1 F)
1909	-5.6 C (21.9 F)
1910	-12.8 C (9.0 F)
1911	-10.6 C (12.9 F)
1912	-7.8 C (18.0 F)
1913	-12.8 C (9.0 F)
1914	-5.6 C (21.9 F)
1915	-13.9 C (7.0 F)
1916	-18.9 C (-2.0 F)
1948	-7.2 C (19.0 F)
1949	-13.3 C (8.1 F)
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a

Wettest day (Rx1day)

The wettest day of the year at Groveland, 1905 to 1954. The record is 121.9 mm (4.8 in) in 1909, marked on the chart; the median year is 65.0 mm (2.6 in).

Wettest day (Rx1day) at Groveland by year
Year	Wettest day (Rx1day)
1905	45.7 mm (1.8 in)
1906	88.9 mm (3.5 in)
1907	50.8 mm (2.0 in)
1908	102.1 mm (4.0 in)
1909	121.9 mm (4.8 in)
1910	44.2 mm (1.7 in)
1911	108.0 mm (4.3 in)
1912	56.1 mm (2.2 in)
1913	59.4 mm (2.3 in)
1914	99.6 mm (3.9 in)
1915	119.6 mm (4.7 in)
1916	116.8 mm (4.6 in)
1948	49.5 mm (1.9 in)
1949	64.8 mm (2.6 in)
1950	96.0 mm (3.8 in)
1951	50.3 mm (2.0 in)
1952	73.2 mm (2.9 in)
1953	50.0 mm (2.0 in)
1954	65.0 mm (2.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Groveland, 1905 to 1954. The record is 277.3 mm (10.9 in) in 1911, marked on the chart; the median year is 114.8 mm (4.5 in).

Wettest five days (Rx5day) at Groveland by year
Year	Wettest five days (Rx5day)
1905	94.9 mm (3.7 in)
1906	232.5 mm (9.2 in)
1907	152.4 mm (6.0 in)
1908	102.9 mm (4.1 in)
1909	209.6 mm (8.3 in)
1910	114.8 mm (4.5 in)
1911	277.3 mm (10.9 in)
1912	84.6 mm (3.3 in)
1913	108.5 mm (4.3 in)
1914	197.8 mm (7.8 in)
1915	199.6 mm (7.9 in)
1916	166.5 mm (6.6 in)
1948	77.5 mm (3.1 in)
1949	104.1 mm (4.1 in)
1950	188.2 mm (7.4 in)
1951	111.5 mm (4.4 in)
1952	187.6 mm (7.4 in)
1953	65.0 mm (2.6 in)
1954	103.4 mm (4.1 in)

Longest dry spell (CDD)

The longest dry spell of the year at Groveland, 1905 to 1954. The record is 143 days in 1905, marked on the chart; the median year is 80 days.

Longest dry spell (CDD) at Groveland by year
Year	Longest dry spell (CDD)
1905	143 days
1906	97 days
1907	18 days
1908	46 days
1909	101 days
1910	80 days
1911	106 days
1912	63 days
1913	97 days
1914	85 days
1915	14 days
1916	17 days
1948	71 days
1949	70 days
1950	136 days
1951	103 days
1952	41 days
1953	133 days
1954	28 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 Groveland standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Groveland 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 2026-10-15 (15 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).