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Built 2026-10-19 (19 October 2026)

Parkman 5 WNW Threshold Days by Year (USC00487079)

14 fixed thresholds counted per year at Parkman 5 WNW (USC00487079): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Parkman 5 WNW Thresholds

  • Parkman 5 WNW: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1957 with 23.
  • Parkman 5 WNW: days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 1955 with 5.
  • Parkman 5 WNW: days with a maximum temperature at or above 30 C (86 F) in 8 years, most in 1980 with 34.
  • Parkman 5 WNW: days with a maximum temperature at or above 90 F (32.2 C) in 8 years, most in 1980 with 11.
  • 14 fixed thresholds have at least one qualifying day at Parkman 5 WNW.
8 years with a qualifying day
Days at or above 30 C (86 F) per year at Parkman 5 WNW Days per year at Parkman 5 WNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1980. 0102030401973: 331976: 241977: 141978: 211979: 211980: 341981: 251982: 2919731976197719781979198019811982
Days per year at Parkman 5 WNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1980.
Days at or above 30 C (86 F) per year at Parkman 5 WNW
YearDaysDecade average
19733322.6
19762422.6
19771422.6
19782122.6
19792122.6
19803429.3
19812529.3
19822929.3
First to last qualifying date each year at Parkman 5 WNW For each year, a bar from the first to the last day at Parkman 5 WNW meeting 30 C (86 F). 1973: 8 June 1973 to 30 August 19731976: 8 June 1976 to 6 September 19761977: 7 June 1977 to 24 August 19771978: 10 June 1978 to 9 September 19781979: 13 June 1979 to 16 September 19791980: 21 May 1980 to 7 September 19801981: 26 June 1981 to 19 September 19811982: 12 July 1982 to 9 September 198219731976197719781979198019811982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Parkman 5 WNW meeting 30 C (86 F).
First to last qualifying date each year at Parkman 5 WNW
YearFirst dateLast date
19731973-06-081973-08-30
19761976-06-081976-09-06
19771977-06-071977-08-24
19781978-06-101978-09-09
19791979-06-131979-09-16
19801980-05-211980-09-07
19811981-06-261981-09-19
19821982-07-121982-09-09

Every Fixed Threshold

Fixed thresholds at Parkman 5 WNW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days834198029
35 C (95 F): Days5519805
90 F (32.2 C): Days81119808
100 F (37.8 C): Days1119771
0 C (32 F): Ice days (max867197839
0 C (32 F): Frost days (min72061978204
-10 C (14 F): Days with min7106197873
-20 C (-4 F): Days with min741197827
-30 C (-22 F): Days with min7519735
10 mm (0.39 in): Days with 10 mm or more rain3023195714
25 mm (0.98 in): Days with 25 mm or more rain26519553
50 mm (1.97 in): Days with 50 mm or more rain8219641
100 mm (3.94 in): Days with 100 mm or more rain1119631
10 cm (3.9 in): Days with 10 cm or more snowfall2719767

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

  • Data for Parkman 5 WNW 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).