Built 2026-10-19 (19 October 2026)

Grayland Threshold Days by Year (USC00453320)

9 fixed thresholds counted per year at Grayland (USC00453320): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grayland Thresholds

  • Grayland: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1997 with 88.
  • Grayland: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1983 with 31.
  • Grayland: days with 50 mm (1.97 in) or more of precipitation in 48 years, most in 1959 with 8.
  • Grayland: nights with a minimum temperature at or below 0 C (32 F) in 45 years, most in 1985 with 89.
  • 9 fixed thresholds have at least one qualifying day at Grayland.
14 years with a qualifying day
Days at or above 30 C (86 F) per year at Grayland Days per year at Grayland with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 1967. 01231955: 11967: 31985: 21987: 11988: 11989: 11990: 11991: 11994: 21997: 22003: 12006: 12007: 12009: 31955198519881990199420032007
Days per year at Grayland with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 1967.
Days at or above 30 C (86 F) per year at Grayland
YearDaysDecade average
195511
196733
198521.3
198711.3
198811.3
198911.3
199011.5
199111.5
199421.5
199721.5
200311.5
200611.5
200711.5
200931.5
First to last qualifying date each year at Grayland For each year, a bar from the first to the last day at Grayland meeting 30 C (86 F). 1955: 4 September 1955 to 4 September 19551967: 9 August 1967 to 15 September 19671985: 14 August 1985 to 24 August 19851987: 30 September 1987 to 30 September 19871988: 24 August 1988 to 24 August 19881989: 23 September 1989 to 23 September 19891990: 22 September 1990 to 22 September 19901991: 18 September 1991 to 18 September 19911994: 22 September 1994 to 23 September 19941997: 11 August 1997 to 10 September 19972003: 28 September 2003 to 28 September 20032006: 2 September 2006 to 2 September 20062007: 11 September 2007 to 11 September 20072009: 20 August 2009 to 23 September 20091955198519881990199420032007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Grayland meeting 30 C (86 F).
First to last qualifying date each year at Grayland
YearFirst dateLast date
19551955-09-041955-09-04
19671967-08-091967-09-15
19851985-08-141985-08-24
19871987-09-301987-09-30
19881988-08-241988-08-24
19891989-09-231989-09-23
19901990-09-221990-09-22
19911991-09-181991-09-18
19941994-09-221994-09-23
19971997-08-111997-09-10
20032003-09-282003-09-28
20062006-09-022006-09-02
20072007-09-112007-09-11
20092009-08-202009-09-23

Every Fixed Threshold

Fixed thresholds at Grayland
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days14319673
90 F (32.2 C): Days3119551
0 C (32 F): Ice days (max18619901
0 C (32 F): Frost days (min4589198515
-10 C (14 F): Days with min10419891
10 mm (0.39 in): Days with 10 mm or more rain5288199772
25 mm (0.98 in): Days with 25 mm or more rain5231198322
50 mm (1.97 in): Days with 50 mm or more rain48819595
100 mm (3.94 in): Days with 100 mm or more rain3219902

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

  • Data for Grayland 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).