Built 2026-10-17 (17 October 2026)

Seward 8 NW Threshold Days by Year

12 fixed thresholds counted per year at Seward 8 NW (USC00508375): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Seward 8 NW Thresholds

  • Seward 8 NW: days with 10 cm (3.9 in) or more of snowfall in 15 years, most in 1991 with 26.
  • Seward 8 NW: days with 25 cm (9.8 in) or more of snowfall in 15 years, most in 2000 with 6.
  • Seward 8 NW: days with 10 mm (0.39 in) or more of precipitation in 13 years, most in 1991 with 73.
  • Seward 8 NW: days with 25 mm (0.98 in) or more of precipitation in 13 years, most in 1992 with 27.
  • 12 fixed thresholds have at least one qualifying day at Seward 8 NW.
12 years with a qualifying day
Nights at or below 0 C (32 F) per year at Seward 8 NW Days per year at Seward 8 NW with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 258 in 1992. 01002003001987: 1941988: 2261990: 2201991: 2311992: 2581993: 2081994: 2081995: 1931996: 2251997: 2161998: 2222000: 219198719901992199419961998
Days per year at Seward 8 NW with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 258 in 1992.
Nights at or below 0 C (32 F) per year at Seward 8 NW
YearDaysDecade average
1987194210
1988226210
1990220220.1
1991231220.1
1992258220.1
1993208220.1
1994208220.1
1995193220.1
1996225220.1
1997216220.1
1998222220.1
2000219219
First to last qualifying date each year at Seward 8 NW For each year, a bar from the first to the last day at Seward 8 NW meeting 0 C (32 F). 1987: 1 January 1987 to 28 December 19871988: 1 January 1988 to 31 December 19881990: 1 January 1990 to 31 December 19901991: 1 January 1991 to 31 December 19911992: 1 January 1992 to 31 December 19921993: 1 January 1993 to 31 December 19931994: 1 January 1994 to 31 December 19941995: 1 January 1995 to 30 December 19951996: 1 January 1996 to 31 December 19961997: 1 January 1997 to 31 December 19971998: 1 January 1998 to 31 December 19982000: 1 January 2000 to 29 December 2000198719901992199419961998JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Seward 8 NW meeting 0 C (32 F).
First to last qualifying date each year at Seward 8 NW
YearFirst dateLast date
19871987-01-011987-12-28
19881988-01-011988-12-31
19901990-01-011990-12-31
19911991-01-011991-12-31
19921992-01-011992-12-31
19931993-01-011993-12-31
19941994-01-011994-12-31
19951995-01-011995-12-30
19961996-01-011996-12-31
19971997-01-011997-12-31
19981998-01-011998-12-31
20002000-01-012000-12-29

Every Fixed Threshold

Fixed thresholds at Seward 8 NW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max1088199231
0 C (32 F): Frost days (min122581992219
-10 C (14 F): Days with min12119199242
-20 C (-4 F): Days with min124319909
-30 C (-22 F): Days with min5519903
10 mm (0.39 in): Days with 10 mm or more rain1373199150
25 mm (0.98 in): Days with 25 mm or more rain1327199217
50 mm (1.97 in): Days with 50 mm or more rain13919924
100 mm (3.94 in): Days with 100 mm or more rain1119951
10 cm (3.9 in): Days with 10 cm or more snowfall1526199114
25 cm (9.8 in): Days with 25 cm or more snowfall15620006
50 cm (19.7 in): Days with 50 cm or more snowfall4220002

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1987.

Download the Data

  • Data for Seward 8 NW 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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