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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

South Lake Threshold Days by Year (USC00048406)

12 fixed thresholds counted per year at South Lake (USC00048406): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for South Lake Thresholds

  • South Lake: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1996 with 27.
  • South Lake: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1996 with 11.
  • South Lake: days with a maximum temperature at or below 0 C (32 F) in 22 years, most in 1938 with 49.
  • South Lake: nights with a minimum temperature at or below 0 C (32 F) in 22 years, most in 1925 with 244.
  • 12 fixed thresholds have at least one qualifying day at South Lake.
22 years with a qualifying day
Nights at or below 0 C (32 F) per year at South Lake Days per year at South Lake with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 244 in 1925. 01002003001925: 2441926: 2111927: 2401928: 2191929: 2321930: 2331931: 2191932: 2371933: 2071934: 2111935: 2251936: 2241937: 2201938: 2371939: 2221940: 2041941: 2371942: 2241943: 2111944: 2391945: 2291946: 20219251928193119341937194019431946
Days per year at South Lake with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 244 in 1925.
Nights at or below 0 C (32 F) per year at South Lake
YearDaysDecade average
1925244229.2
1926211229.2
1927240229.2
1928219229.2
1929232229.2
1930233223.5
1931219223.5
1932237223.5
1933207223.5
1934211223.5
1935225223.5
1936224223.5
1937220223.5
1938237223.5
1939222223.5
1940204220.9
1941237220.9
1942224220.9
1943211220.9
1944239220.9
1945229220.9
1946202220.9
First to last qualifying date each year at South Lake For each year, a bar from the first to the last day at South Lake meeting 0 C (32 F). 1925: 1 January 1925 to 31 December 19251926: 1 January 1926 to 31 December 19261927: 1 January 1927 to 31 December 19271928: 1 January 1928 to 31 December 19281929: 1 January 1929 to 31 December 19291930: 1 January 1930 to 31 December 19301931: 1 January 1931 to 31 December 19311932: 1 January 1932 to 31 December 19321933: 1 January 1933 to 31 December 19331934: 1 January 1934 to 31 December 19341935: 1 January 1935 to 31 December 19351936: 1 January 1936 to 31 December 19361937: 1 January 1937 to 31 December 19371938: 1 January 1938 to 31 December 19381939: 1 January 1939 to 31 December 19391940: 1 January 1940 to 31 December 19401941: 1 January 1941 to 31 December 19411942: 1 January 1942 to 31 December 19421943: 1 January 1943 to 30 December 19431944: 1 January 1944 to 31 December 19441945: 1 January 1945 to 31 December 19451946: 1 January 1946 to 29 December 194619251928193119341937194019431946JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at South Lake meeting 0 C (32 F).
First to last qualifying date each year at South Lake
YearFirst dateLast date
19251925-01-011925-12-31
19261926-01-011926-12-31
19271927-01-011927-12-31
19281928-01-011928-12-31
19291929-01-011929-12-31
19301930-01-011930-12-31
19311931-01-011931-12-31
19321932-01-011932-12-31
19331933-01-011933-12-31
19341934-01-011934-12-31
19351935-01-011935-12-31
19361936-01-011936-12-31
19371937-01-011937-12-31
19381938-01-011938-12-31
19391939-01-011939-12-31
19401940-01-011940-12-31
19411941-01-011941-12-31
19421942-01-011942-12-31
19431943-01-011943-12-30
19441944-01-011944-12-31
19451945-01-011945-12-31
19461946-01-011946-12-29

Every Fixed Threshold

Fixed thresholds at South Lake
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max2249193830
0 C (32 F): Frost days (min222441925202
-10 C (14 F): Days with min2293194464
-20 C (-4 F): Days with min201419295
-30 C (-22 F): Days with min1119311
10 mm (0.39 in): Days with 10 mm or more rain522719969
25 mm (0.98 in): Days with 25 mm or more rain441119962
50 mm (1.97 in): Days with 50 mm or more rain19419861
100 mm (3.94 in): Days with 100 mm or more rain1119861
10 cm (3.9 in): Days with 10 cm or more snowfall163419417
25 cm (9.8 in): Days with 25 cm or more snowfall151119365
50 cm (19.7 in): Days with 50 cm or more snowfall11319363

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1925.

Download the Data

  • 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).