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

Seldovia Threshold Days by Year (USC00508350)

7 fixed thresholds counted per year at Seldovia (USC00508350): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Seldovia Thresholds

  • Seldovia: days with 10 mm (0.39 in) or more of precipitation in 3 years, most in 1919 with 34.
  • Seldovia: days with 25 mm (0.98 in) or more of precipitation in 3 years, most in 1920 with 6.
  • Seldovia: days with a maximum temperature at or below 0 C (32 F) in 2 years, most in 1920 with 57.
  • Seldovia: nights with a minimum temperature at or below 0 C (32 F) in 2 years, most in 1920 with 205.
  • 7 fixed thresholds have at least one qualifying day at Seldovia.
3 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Seldovia Days per year at Seldovia with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1919. 02040601918: 451919: 341920: 32191819191920
Days per year at Seldovia with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1919.
Days with 10 mm (0.39 in) or more of precipitation per year at Seldovia
YearDaysDecade average
19184539.5
19193439.5
19203232
First to last qualifying date each year at Seldovia For each year, a bar from the first to the last day at Seldovia meeting 10 mm (0.39 in). 1918: 3 January 1918 to 31 December 19181919: 1 January 1919 to 31 December 19191920: 2 January 1920 to 29 December 1920191819191920JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Seldovia meeting 10 mm (0.39 in).
First to last qualifying date each year at Seldovia
YearFirst dateLast date
19181918-01-031918-12-31
19191919-01-011919-12-31
19201920-01-021920-12-29

Every Fixed Threshold

Fixed thresholds at Seldovia
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max257192057
0 C (32 F): Frost days (min22051920205
-10 C (14 F): Days with min251192051
-20 C (-4 F): Days with min2319192
10 mm (0.39 in): Days with 10 mm or more rain334191932
25 mm (0.98 in): Days with 25 mm or more rain3619206
50 mm (1.97 in): Days with 50 mm or more rain2219192

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1919.

Download the Data

  • Data for Seldovia 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).