Record envelope, standing records and threshold days for South Lake (USC00048406), California, United States, with 87 years of record.
Key Facts for South Lake
South Lake (USC00048406) is a weather station in California, United States at 37.17 latitude and -118.57 longitude, 2,920 m (9,580 ft) above sea level.
The station reports from 1924 to 2010, 87 years of record.
1,464 records set at South Lake still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
South Lake set a daily record precipitation of 25.9 mm (1.0 in) on 12 November 2003.
About the Station
Location: California, United States, 37.17 latitude, -118.57 longitude.
Elevation: 2,920 m (9,580 ft).
Period of record: 1924 to 2010, 87 years.
Eligible elements: prcp.
Daily Record Envelope and 2026
0 days at or beyond a record
Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at South Lake. 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 South Lake, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
16.7 C (62.1 F)
-28.3 C (-18.9 F)
n/a
n/a
Feb
18.3 C (64.9 F)
-27.8 C (-18.0 F)
n/a
n/a
Mar
19.4 C (66.9 F)
-25.6 C (-14.1 F)
n/a
n/a
Apr
18.3 C (64.9 F)
-23.9 C (-11.0 F)
n/a
n/a
May
20.6 C (69.1 F)
-15.6 C (3.9 F)
n/a
n/a
Jun
25.6 C (78.1 F)
-7.8 C (18.0 F)
n/a
n/a
Jul
27.8 C (82.0 F)
-1.1 C (30.0 F)
n/a
n/a
Aug
26.7 C (80.1 F)
-2.2 C (28.0 F)
n/a
n/a
Sep
28.9 C (84.0 F)
-10.0 C (14.0 F)
n/a
n/a
Oct
21.1 C (70.0 F)
-12.8 C (9.0 F)
n/a
n/a
Nov
17.2 C (63.0 F)
-23.3 C (-9.9 F)
n/a
n/a
Dec
16.7 C (62.1 F)
-30.0 C (-22.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at South Lake still stand. 1933 holds the most, with 100.
Standing records at South Lake by the year they were set
Year set
Standing records
1924
9
1925
78
1926
72
1927
79
1928
66
1929
56
1930
74
1931
67
1932
72
1933
100
1934
92
1935
47
1936
67
1937
58
1938
57
1939
66
1940
51
1941
51
1942
43
1943
40
1944
51
1945
61
1946
44
1947
35
1948
28
All-Time Record Progression
1 new records
1 all-time records were set at South Lake between 19 February 1986 and 19 February 1986. Each dot is a new record.
When South Lake set new all-time records
Date
Kind
Detail
1986-02-19
Record daily precipitation
Record daily precipitation 124.0 mm (4.9 in)
Wettest Day of Each Month
Feb: 124.0 mm (4.9 in)
The wettest day on record for each calendar month at South Lake. The most was 124.0 mm (4.9 in) on 19 February 1986.
Record daily precipitation for each month at South Lake
Month
Record daily precipitation (mm)
Date
Jan
58.4 mm (2.3 in)
19 January 1933
Feb
124.0 mm (4.9 in)
19 February 1986
Mar
67.1 mm (2.6 in)
11 March 1995
Apr
49.3 mm (1.9 in)
3 April 1927
May
65.5 mm (2.6 in)
15 May 1928
Jun
50.8 mm (2.0 in)
20 June 1938
Jul
25.4 mm (1.0 in)
27 July 1933
Aug
36.1 mm (1.4 in)
24 August 2000
Sep
52.8 mm (2.1 in)
28 September 1994
Oct
50.8 mm (2.0 in)
6 October 1945
Nov
62.5 mm (2.5 in)
23 November 1946
Dec
68.6 mm (2.7 in)
10 December 1937
Period of Record Coverage
1924 to 1948
Complete yearUnder 90 percent of days
25 years of record at South Lake, 1924 to 1948. 3 years have data for under 90 percent of days and are left out of rankings: 1924, 1947, 1948.
Cooler than the station meanWarmer than the station mean
One stripe for each of 22 complete years at South Lake, 1925 to 1946. Blue stripes are years cooler than the station's own mean of 4.1 C (39.3 F); red stripes are warmer. The coolest year was 1938, at 2.8 C (37.0 F), and the warmest was 1934, at 5.8 C (42.4 F). The strongest colour marks a difference of 1.8 C (3.2 F).
Annual mean temperature at South Lake as warming stripes, 1925 to 1946
Year
Annual mean temperature
Difference from the station mean
1925
3.7 C
-0.39 C
1926
4.4 C
+0.35 C
1927
3.4 C
-0.63 C
1928
4.6 C
+0.49 C
1929
4.0 C
-0.04 C
1930
3.4 C
-0.63 C
1931
4.0 C
-0.06 C
1932
3.7 C
-0.34 C
1933
4.9 C
+0.87 C
1934
5.8 C
+1.72 C
1935
4.6 C
+0.48 C
1936
5.0 C
+0.95 C
1937
4.0 C
-0.05 C
1938
2.8 C
-1.32 C
1939
4.7 C
+0.60 C
1940
4.9 C
+0.86 C
1941
2.9 C
-1.13 C
1942
4.1 C
0.00 C
1943
4.6 C
+0.57 C
1944
2.9 C
-1.18 C
1945
3.4 C
-0.69 C
1946
3.7 C
-0.36 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
1924 to 2010
Yearly extremes at South Lake: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
28.9 C (84.0 F)
1926
25.6 C (78.1 F)
25
Coldest night (TNn)
-30.0 C (-22.0 F)
1931
-23.3 C (-9.9 F)
25
Wettest day (Rx1day)
124.0 mm (4.9 in)
1986
42.9 mm (1.7 in)
56
Wettest five days (Rx5day)
195.1 mm (7.7 in)
1986
72.8 mm (2.9 in)
56
Longest dry spell (CDD)
123 days
1944
47 days
56
Hottest day (TXx)
The hottest day of the year at South Lake, 1924 to 2010. The record is 28.9 C (84.0 F) in 1926, marked on the chart; the median year is 25.6 C (78.1 F).
Hottest day (TXx) at South Lake by year
Year
Hottest day (TXx)
1924
15.0 C (59.0 F)
1925
27.2 C (81.0 F)
1926
28.9 C (84.0 F)
1927
27.8 C (82.0 F)
1928
25.6 C (78.1 F)
1929
25.6 C (78.1 F)
1930
24.4 C (75.9 F)
1931
27.8 C (82.0 F)
1932
25.6 C (78.1 F)
1933
26.7 C (80.1 F)
1934
27.2 C (81.0 F)
1935
25.6 C (78.1 F)
1936
25.6 C (78.1 F)
1937
28.3 C (82.9 F)
1938
23.9 C (75.0 F)
1939
24.4 C (75.9 F)
1940
26.1 C (79.0 F)
1941
23.9 C (75.0 F)
1942
24.4 C (75.9 F)
1943
23.9 C (75.0 F)
1944
26.1 C (79.0 F)
1945
25.0 C (77.0 F)
1946
24.4 C (75.9 F)
1947
23.9 C (75.0 F)
1948
16.7 C (62.1 F)
1975
n/a
1976
n/a
1977
n/a
1978
n/a
1979
n/a
1980
n/a
1981
n/a
1982
n/a
1983
n/a
1984
n/a
1985
n/a
1986
n/a
1987
n/a
1988
n/a
1989
n/a
1990
n/a
1991
n/a
1992
n/a
1993
n/a
1994
n/a
1995
n/a
1996
n/a
1997
n/a
1998
n/a
1999
n/a
2000
n/a
2001
n/a
2002
n/a
2003
n/a
2004
n/a
2010
n/a
Coldest night (TNn)
The coldest night of the year at South Lake, 1924 to 2010. The record is -30.0 C (-22.0 F) in 1931, marked on the chart; the median year is -23.3 C (-9.9 F).
Coldest night (TNn) at South Lake by year
Year
Coldest night (TNn)
1924
-24.4 C (-11.9 F)
1925
-20.0 C (-4.0 F)
1926
-24.4 C (-11.9 F)
1927
-21.1 C (-6.0 F)
1928
-23.9 C (-11.0 F)
1929
-27.8 C (-18.0 F)
1930
-23.3 C (-9.9 F)
1931
-30.0 C (-22.0 F)
1932
-25.6 C (-14.1 F)
1933
-23.3 C (-9.9 F)
1934
-16.1 C (3.0 F)
1935
-23.3 C (-9.9 F)
1936
-20.6 C (-5.1 F)
1937
-28.3 C (-18.9 F)
1938
-25.6 C (-14.1 F)
1939
-24.4 C (-11.9 F)
1940
-20.0 C (-4.0 F)
1941
-20.0 C (-4.0 F)
1942
-23.9 C (-11.0 F)
1943
-19.4 C (-2.9 F)
1944
-25.6 C (-14.1 F)
1945
-22.8 C (-9.0 F)
1946
-23.9 C (-11.0 F)
1947
-20.6 C (-5.1 F)
1948
-23.3 C (-9.9 F)
1975
n/a
1976
n/a
1977
n/a
1978
n/a
1979
n/a
1980
n/a
1981
n/a
1982
n/a
1983
n/a
1984
n/a
1985
n/a
1986
n/a
1987
n/a
1988
n/a
1989
n/a
1990
n/a
1991
n/a
1992
n/a
1993
n/a
1994
n/a
1995
n/a
1996
n/a
1997
n/a
1998
n/a
1999
n/a
2000
n/a
2001
n/a
2002
n/a
2003
n/a
2004
n/a
2010
n/a
Wettest day (Rx1day)
The wettest day of the year at South Lake, 1924 to 2010. The record is 124.0 mm (4.9 in) in 1986, marked on the chart; the median year is 42.9 mm (1.7 in).
Wettest day (Rx1day) at South Lake by year
Year
Wettest day (Rx1day)
1924
17.8 mm (0.7 in)
1925
26.2 mm (1.0 in)
1926
49.5 mm (1.9 in)
1927
56.1 mm (2.2 in)
1928
65.5 mm (2.6 in)
1929
24.6 mm (1.0 in)
1930
41.1 mm (1.6 in)
1931
61.7 mm (2.4 in)
1932
57.9 mm (2.3 in)
1933
58.4 mm (2.3 in)
1934
53.3 mm (2.1 in)
1935
38.9 mm (1.5 in)
1936
55.9 mm (2.2 in)
1937
68.6 mm (2.7 in)
1938
56.1 mm (2.2 in)
1939
42.9 mm (1.7 in)
1940
48.5 mm (1.9 in)
1941
42.4 mm (1.7 in)
1942
22.9 mm (0.9 in)
1943
46.7 mm (1.8 in)
1944
25.7 mm (1.0 in)
1945
89.4 mm (3.5 in)
1946
62.5 mm (2.5 in)
1947
16.3 mm (0.6 in)
1948
25.7 mm (1.0 in)
1975
21.3 mm (0.8 in)
1976
23.4 mm (0.9 in)
1977
65.0 mm (2.6 in)
1978
45.2 mm (1.8 in)
1979
38.6 mm (1.5 in)
1980
54.4 mm (2.1 in)
1981
44.2 mm (1.7 in)
1982
52.8 mm (2.1 in)
1983
43.7 mm (1.7 in)
1984
31.5 mm (1.2 in)
1985
36.6 mm (1.4 in)
1986
124.0 mm (4.9 in)
1987
20.3 mm (0.8 in)
1988
32.0 mm (1.3 in)
1989
18.3 mm (0.7 in)
1990
41.7 mm (1.6 in)
1991
51.8 mm (2.0 in)
1992
42.9 mm (1.7 in)
1993
40.6 mm (1.6 in)
1994
52.8 mm (2.1 in)
1995
67.1 mm (2.6 in)
1996
64.0 mm (2.5 in)
1997
47.2 mm (1.9 in)
1998
35.3 mm (1.4 in)
1999
30.2 mm (1.2 in)
2000
36.1 mm (1.4 in)
2001
43.2 mm (1.7 in)
2002
24.1 mm (0.9 in)
2003
37.3 mm (1.5 in)
2004
22.9 mm (0.9 in)
2010
0.0 mm (0.00 in)
Wettest five days (Rx5day)
The wettest five days of the year at South Lake, 1924 to 2010. The record is 195.1 mm (7.7 in) in 1986, marked on the chart; the median year is 72.8 mm (2.9 in).
Wettest five days (Rx5day) at South Lake by year
Year
Wettest five days (Rx5day)
1924
33.8 mm (1.3 in)
1925
43.2 mm (1.7 in)
1926
124.2 mm (4.9 in)
1927
142.5 mm (5.6 in)
1928
69.3 mm (2.7 in)
1929
37.6 mm (1.5 in)
1930
67.0 mm (2.6 in)
1931
138.9 mm (5.5 in)
1932
117.1 mm (4.6 in)
1933
91.9 mm (3.6 in)
1934
64.4 mm (2.5 in)
1935
64.1 mm (2.5 in)
1936
104.2 mm (4.1 in)
1937
137.1 mm (5.4 in)
1938
90.2 mm (3.6 in)
1939
49.3 mm (1.9 in)
1940
108.1 mm (4.3 in)
1941
79.8 mm (3.1 in)
1942
72.4 mm (2.9 in)
1943
150.6 mm (5.9 in)
1944
53.4 mm (2.1 in)
1945
175.3 mm (6.9 in)
1946
99.6 mm (3.9 in)
1947
30.7 mm (1.2 in)
1948
44.3 mm (1.7 in)
1975
44.2 mm (1.7 in)
1976
37.6 mm (1.5 in)
1977
89.3 mm (3.5 in)
1978
113.7 mm (4.5 in)
1979
59.0 mm (2.3 in)
1980
162.1 mm (6.4 in)
1981
88.4 mm (3.5 in)
1982
97.6 mm (3.8 in)
1983
74.2 mm (2.9 in)
1984
82.3 mm (3.2 in)
1985
71.1 mm (2.8 in)
1986
195.1 mm (7.7 in)
1987
26.9 mm (1.1 in)
1988
66.5 mm (2.6 in)
1989
30.5 mm (1.2 in)
1990
73.2 mm (2.9 in)
1991
124.0 mm (4.9 in)
1992
81.2 mm (3.2 in)
1993
89.8 mm (3.5 in)
1994
69.8 mm (2.7 in)
1995
140.8 mm (5.5 in)
1996
168.4 mm (6.6 in)
1997
120.2 mm (4.7 in)
1998
71.7 mm (2.8 in)
1999
56.6 mm (2.2 in)
2000
51.6 mm (2.0 in)
2001
70.9 mm (2.8 in)
2002
60.8 mm (2.4 in)
2003
58.3 mm (2.3 in)
2004
29.3 mm (1.2 in)
2010
0.0 mm (0.00 in)
Longest dry spell (CDD)
The longest dry spell of the year at South Lake, 1924 to 2010. The record is 123 days in 1944, marked on the chart; the median year is 47 days.
Longest dry spell (CDD) at South Lake by year
Year
Longest dry spell (CDD)
1924
7 days
1925
31 days
1926
72 days
1927
38 days
1928
63 days
1929
79 days
1930
44 days
1931
48 days
1932
114 days
1933
51 days
1934
27 days
1935
46 days
1936
44 days
1937
47 days
1938
33 days
1939
64 days
1940
98 days
1941
40 days
1942
89 days
1943
61 days
1944
123 days
1945
33 days
1946
52 days
1947
66 days
1948
29 days
1975
35 days
1976
45 days
1977
47 days
1978
47 days
1979
70 days
1980
65 days
1981
73 days
1982
36 days
1983
52 days
1984
32 days
1985
43 days
1986
52 days
1987
38 days
1988
52 days
1989
37 days
1990
34 days
1991
34 days
1992
39 days
1993
58 days
1994
103 days
1995
111 days
1996
33 days
1997
40 days
1998
38 days
1999
47 days
2000
53 days
2001
23 days
2002
25 days
2003
39 days
2004
61 days
2010
61 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
22 years with a frost
Across 22 years with a frost, the median last spring frost at South Lake falls on 17 June and the median first autumn frost on 11 September, which leaves a median of 86 days between them.
Frost dates and growing season at South Lake
Measure
Median, all years
Earliest period
Recent period (1925 to 1946)
Recent against earliest
Fitted trend
Last spring frost
17 June
n/a
17 June
n/a
n/a
First autumn frost
11 September
n/a
11 September
n/a
n/a
Growing days
86 days
n/a
86 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.
Rainfall Return Levels
52 years, 1925 to 2003
A day with at least 43.4 mm (1.7 in) of rain is expected about once in 2 years. A day with at least 98.0 mm (3.9 in) of rain is expected about once in 100 years.
Rainfall return levels at South Lake: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
43.4 mm (1.7 in)
5 years
59.8 mm (2.4 in)
10 years
69.9 mm (2.8 in)
25 years
81.8 mm (3.2 in)
50 years
90.2 mm (3.6 in)
100 years
98.0 mm (3.9 in)
Longer than the 52 years of record
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 52 years of values from 1925 to 2003.
A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.
The largest wettest-day totals in the fit: 124.0 mm (4.9 in) in 1986; 89.4 mm (3.5 in) in 1945; 68.6 mm (2.7 in) in 1937.
Download the Data
Data for South Lake standing records by year: CSV or JSON. Field meanings are on the data page.
Data for South Lake 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.