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

Sog Xian Threshold Days by Year (CHM00056106)

7 fixed thresholds counted per year at Sog Xian (CHM00056106): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sog Xian Thresholds

  • Sog Xian: days with a maximum temperature at or below 0 C (32 F) in 23 years, most in 1979 with 51.
  • Sog Xian: days with 10 mm (0.39 in) or more of precipitation in 6 years, most in 2003 with 22.
  • Sog Xian: nights with a minimum temperature at or below 0 C (32 F) in 3 years, most in 2020 with 223.
  • Sog Xian: nights with a minimum temperature at or below -10 C (14 F) in 3 years, most in 2020 with 123.
  • 7 fixed thresholds have at least one qualifying day at Sog Xian.
3 years with a qualifying day
Nights at or below 0 C (32 F) per year at Sog Xian Days per year at Sog Xian with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 223 in 2020. 01002003002020: 2232021: 2082022: 202202020212022
Days per year at Sog Xian with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 223 in 2020.
Nights at or below 0 C (32 F) per year at Sog Xian
YearDaysDecade average
2020223211
2021208211
2022202211
First to last qualifying date each year at Sog Xian For each year, a bar from the first to the last day at Sog Xian meeting 0 C (32 F). 2020: 1 January 2020 to 31 December 20202021: 1 January 2021 to 31 December 20212022: 1 January 2022 to 31 December 2022202020212022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sog Xian meeting 0 C (32 F).
First to last qualifying date each year at Sog Xian
YearFirst dateLast date
20202020-01-012020-12-31
20212021-01-012021-12-31
20222022-01-012022-12-31

Every Fixed Threshold

Fixed thresholds at Sog Xian
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max2351197941
0 C (32 F): Frost days (min32232020202
-10 C (14 F): Days with min31232020111
-20 C (-4 F): Days with min33220207
-30 C (-22 F): Days with min1220202
10 mm (0.39 in): Days with 10 mm or more rain622200315
25 mm (0.98 in): Days with 25 mm or more rain3220212

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1979.

Download the Data

  • Data for Sog Xian 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).