Tuolumne Groveland Rs Weather Records (USC00049065)

Record envelope, standing records and threshold days for Tuolumne Groveland Rs (USC00049065), California, United States, with 50 years of record.

Key Facts for Tuolumne Groveland Rs

Tuolumne Groveland Rs (USC00049065) is a weather station in California, United States at 37.83 latitude and -120.10 longitude, 952 m (3,123 ft) above sea level.
The station reports from 1906 to 1955, 50 years of record.
1,458 records set at Tuolumne Groveland Rs 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, -120.10 longitude.
Elevation: 952 m (3,123 ft).
Period of record: 1906 to 1955, 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 Tuolumne Groveland Rs. 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 Tuolumne Groveland Rs, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	19.4 C (66.9 F)	-13.9 C (7.0 F)	n/a	n/a
Feb	21.7 C (71.1 F)	-9.4 C (15.1 F)	n/a	n/a
Mar	27.8 C (82.0 F)	-11.1 C (12.0 F)	n/a	n/a
Apr	26.1 C (79.0 F)	-6.1 C (21.0 F)	n/a	n/a
May	29.4 C (84.9 F)	-3.9 C (25.0 F)	n/a	n/a
Jun	37.2 C (99.0 F)	-1.1 C (30.0 F)	n/a	n/a
Jul	38.9 C (102.0 F)	3.3 C (37.9 F)	n/a	n/a
Aug	40.0 C (104.0 F)	0.6 C (33.1 F)	n/a	n/a
Sep	37.2 C (99.0 F)	-0.6 C (30.9 F)	n/a	n/a
Oct	36.7 C (98.1 F)	-10.6 C (12.9 F)	n/a	n/a
Nov	27.2 C (81.0 F)	-8.3 C (17.1 F)	n/a	n/a
Dec	18.9 C (66.0 F)	-8.9 C (16.0 F)	n/a	n/a

Which Years Hold Standing Records

1,458 standing records

1,458 records at Tuolumne Groveland Rs still stand. 1915 holds the most, with 351.

Wettest Day of Each Month

Dec: 137.7 mm (5.4 in)

The wettest day on record for each calendar month at Tuolumne Groveland Rs. The most was 137.7 mm (5.4 in) on 23 December 1945.

Record daily precipitation for each month at Tuolumne Groveland Rs
Month	Record daily precipitation (mm)	Date
Jan	71.6 mm (2.8 in)	25 January 1952
Feb	111.5 mm (4.4 in)	1 February 1945
Mar	69.3 mm (2.7 in)	15 March 1945
Apr	63.0 mm (2.5 in)	28 April 1954
May	34.0 mm (1.3 in)	26 May 1946
Jun	24.4 mm (1.0 in)	9 June 1954
Jul	7.6 mm (0.30 in)	31 July 1952
Aug	5.6 mm (0.22 in)	19 August 1945
Sep	9.4 mm (0.37 in)	22 September 1916
Oct	76.2 mm (3.0 in)	30 October 1945
Nov	133.4 mm (5.3 in)	19 November 1950
Dec	137.7 mm (5.4 in)	23 December 1945

Period of Record Coverage

1906 to 1918

7 years of record at Tuolumne Groveland Rs, 1906 to 1918. 6 years have data for under 90 percent of days and are left out of rankings: 1906, 1907, 1914, 1916, 1917, 1918.

Latest Records

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

Extremes by Year

1906 to 1955

Yearly extremes at Tuolumne Groveland Rs: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	40.0 C (104.0 F)	1915	38.9 C (102.0 F)	7
Coldest night (TNn)	-13.9 C (7.0 F)	1907	-10.6 C (12.9 F)	7
Wettest day (Rx1day)	137.7 mm (5.4 in)	1945	61.1 mm (2.4 in)	20
Wettest five days (Rx5day)	278.5 mm (11.0 in)	1950	146.7 mm (5.8 in)	20
Longest dry spell (CDD)	126 days	1948	63 days	20

Hottest day (TXx)

The hottest day of the year at Tuolumne Groveland Rs, 1906 to 1955. The record is 40.0 C (104.0 F) in 1915, marked on the chart; the median year is 38.9 C (102.0 F).

Hottest day (TXx) at Tuolumne Groveland Rs by year
Year	Hottest day (TXx)
1906	30.6 C (87.1 F)
1907	35.0 C (95.0 F)
1914	39.4 C (102.9 F)
1915	40.0 C (104.0 F)
1916	38.9 C (102.0 F)
1917	38.9 C (102.0 F)
1918	20.6 C (69.1 F)
1943	n/a
1944	n/a
1945	n/a
1946	n/a
1947	n/a
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a

Coldest night (TNn)

The coldest night of the year at Tuolumne Groveland Rs, 1906 to 1955. The record is -13.9 C (7.0 F) in 1907, marked on the chart; the median year is -10.6 C (12.9 F).

Coldest night (TNn) at Tuolumne Groveland Rs by year
Year	Coldest night (TNn)
1906	-10.6 C (12.9 F)
1907	-13.9 C (7.0 F)
1914	-8.9 C (16.0 F)
1915	-8.9 C (16.0 F)
1916	-8.3 C (17.1 F)
1917	-11.1 C (12.0 F)
1918	-10.6 C (12.9 F)
1943	n/a
1944	n/a
1945	n/a
1946	n/a
1947	n/a
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a

Wettest day (Rx1day)

The wettest day of the year at Tuolumne Groveland Rs, 1906 to 1955. The record is 137.7 mm (5.4 in) in 1945, marked on the chart; the median year is 61.1 mm (2.4 in).

Wettest day (Rx1day) at Tuolumne Groveland Rs by year
Year	Wettest day (Rx1day)
1906	78.2 mm (3.1 in)
1907	68.6 mm (2.7 in)
1914	42.7 mm (1.7 in)
1915	56.9 mm (2.2 in)
1916	38.4 mm (1.5 in)
1917	69.1 mm (2.7 in)
1918	58.7 mm (2.3 in)
1943	47.0 mm (1.9 in)
1944	67.8 mm (2.7 in)
1945	137.7 mm (5.4 in)
1946	117.9 mm (4.6 in)
1947	28.2 mm (1.1 in)
1948	56.1 mm (2.2 in)
1949	69.3 mm (2.7 in)
1950	133.4 mm (5.3 in)
1951	51.1 mm (2.0 in)
1952	71.6 mm (2.8 in)
1953	58.7 mm (2.3 in)
1954	63.5 mm (2.5 in)
1955	48.3 mm (1.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Tuolumne Groveland Rs, 1906 to 1955. The record is 278.5 mm (11.0 in) in 1950, marked on the chart; the median year is 146.7 mm (5.8 in).

Wettest five days (Rx5day) at Tuolumne Groveland Rs by year
Year	Wettest five days (Rx5day)
1906	151.1 mm (5.9 in)
1907	209.9 mm (8.3 in)
1914	83.6 mm (3.3 in)
1915	142.3 mm (5.6 in)
1916	95.6 mm (3.8 in)
1917	188.7 mm (7.4 in)
1918	194.3 mm (7.6 in)
1943	49.0 mm (1.9 in)
1944	151.1 mm (5.9 in)
1945	261.9 mm (10.3 in)
1946	224.6 mm (8.8 in)
1947	65.8 mm (2.6 in)
1948	79.5 mm (3.1 in)
1949	108.7 mm (4.3 in)
1950	278.5 mm (11.0 in)
1951	154.2 mm (6.1 in)
1952	193.6 mm (7.6 in)
1953	87.9 mm (3.5 in)
1954	129.0 mm (5.1 in)
1955	118.4 mm (4.7 in)

Longest dry spell (CDD)

The longest dry spell of the year at Tuolumne Groveland Rs, 1906 to 1955. The record is 126 days in 1948, marked on the chart; the median year is 63 days.

Longest dry spell (CDD) at Tuolumne Groveland Rs by year
Year	Longest dry spell (CDD)
1906	8 days
1907	47 days
1914	48 days
1915	31 days
1916	83 days
1917	21 days
1918	22 days
1943	109 days
1944	91 days
1945	39 days
1946	59 days
1947	120 days
1948	126 days
1949	68 days
1950	67 days
1951	125 days
1952	46 days
1953	112 days
1954	122 days
1955	53 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 Tuolumne Groveland Rs standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Tuolumne Groveland Rs 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Days with data per year at Tuolumne Groveland Rs
Year	Days with data	Share of year	Complete
1906	62	17%	No
1907	201	55%	No
1914	137	38%	No
1915	337	92%	Yes
1916	196	54%	No
1917	322	88%	No
1918	59	16%	No