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Built 2026-10-19 (19 October 2026)

Squa Pan Dam Threshold Days by Year (USC00178398)

17 fixed thresholds counted per year at Squa Pan Dam (USC00178398): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Squa Pan Dam Thresholds

  • Squa Pan Dam: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 1961 with 47.
  • Squa Pan Dam: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 1976 with 11.
  • Squa Pan Dam: days with 10 cm (3.9 in) or more of snowfall in 52 years, most in 1961 with 16.
  • Squa Pan Dam: days with 25 cm (9.8 in) or more of snowfall in 38 years, most in 1977 with 4.
  • 17 fixed thresholds have at least one qualifying day at Squa Pan Dam.
36 years with a qualifying day
Days at or above 30 C (86 F) per year at Squa Pan Dam Days per year at Squa Pan Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 19 in 1959. 051015201940: 51941: 41942: 71943: 41957: 71958: 21959: 191960: 111961: 51962: 71963: 141964: 51965: 61966: 11967: 71968: 51969: 71970: 171971: 61972: 51973: 71974: 61975: 151976: 151977: 121978: 121979: 111980: 31981: 51982: 81984: 71985: 51989: 91990: 131991: 161994: 6194019571961196519691973197719811989
Days per year at Squa Pan Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 19 in 1959.
Days at or above 30 C (86 F) per year at Squa Pan Dam
YearDaysDecade average
194055
194145
194275
194345
195779.3
195829.3
1959199.3
1960116.8
196156.8
196276.8
1963146.8
196456.8
196566.8
196616.8
196776.8
196856.8
196976.8
19701710.6
1971610.6
1972510.6
1973710.6
1974610.6
19751510.6
19761510.6
19771210.6
19781210.6
19791110.6
198036.2
198156.2
198286.2
198476.2
198556.2
198996.2
19901311.7
19911611.7
1994611.7
First to last qualifying date each year at Squa Pan Dam For each year, a bar from the first to the last day at Squa Pan Dam meeting 30 C (86 F). 1940: 7 July 1940 to 18 August 19401941: 22 May 1941 to 24 July 19411942: 11 June 1942 to 1 September 19421943: 25 June 1943 to 14 July 19431957: 11 June 1957 to 19 July 19571958: 23 July 1958 to 3 August 19581959: 26 May 1959 to 8 September 19591960: 28 May 1960 to 30 August 19601961: 23 July 1961 to 11 September 19611962: 19 May 1962 to 27 August 19621963: 3 June 1963 to 30 July 19631964: 8 May 1964 to 29 July 19641965: 21 June 1965 to 24 September 19651966: 25 May 1966 to 25 May 19661967: 4 June 1967 to 23 July 19671968: 10 July 1968 to 20 July 19681969: 13 June 1969 to 1 September 19691970: 10 June 1970 to 17 August 19701971: 19 June 1971 to 12 August 19711972: 29 May 1972 to 16 July 19721973: 9 July 1973 to 1 September 19731974: 16 May 1974 to 23 August 19741975: 24 June 1975 to 12 August 19751976: 6 June 1976 to 23 August 19761977: 18 May 1977 to 30 August 19771978: 26 May 1978 to 23 August 19781979: 10 May 1979 to 3 September 19791980: 26 June 1980 to 3 August 19801981: 6 June 1981 to 3 August 19811982: 8 July 1982 to 17 August 19821984: 9 June 1984 to 7 August 19841985: 2 July 1985 to 21 September 19851989: 23 June 1989 to 11 September 19891990: 4 June 1990 to 28 August 19901991: 19 June 1991 to 31 August 19911994: 23 May 1994 to 24 July 199419401958196319681973197819841994JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Squa Pan Dam meeting 30 C (86 F).
First to last qualifying date each year at Squa Pan Dam
YearFirst dateLast date
19401940-07-071940-08-18
19411941-05-221941-07-24
19421942-06-111942-09-01
19431943-06-251943-07-14
19571957-06-111957-07-19
19581958-07-231958-08-03
19591959-05-261959-09-08
19601960-05-281960-08-30
19611961-07-231961-09-11
19621962-05-191962-08-27
19631963-06-031963-07-30
19641964-05-081964-07-29
19651965-06-211965-09-24
19661966-05-251966-05-25
19671967-06-041967-07-23
19681968-07-101968-07-20
19691969-06-131969-09-01
19701970-06-101970-08-17
19711971-06-191971-08-12
19721972-05-291972-07-16
19731973-07-091973-09-01
19741974-05-161974-08-23
19751975-06-241975-08-12
19761976-06-061976-08-23
19771977-05-181977-08-30
19781978-05-261978-08-23
19791979-05-101979-09-03
19801980-06-261980-08-03
19811981-06-061981-08-03
19821982-07-081982-08-17
19841984-06-091984-08-07
19851985-07-021985-09-21
19891989-06-231989-09-11
19901990-06-041990-08-28
19911991-06-191991-08-31
19941994-05-231994-07-24

Every Fixed Threshold

Fixed thresholds at Squa Pan Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days361919596
35 C (95 F): Days4219912
90 F (32.2 C): Days271019753
0 C (32 F): Ice days (max36104198586
0 C (32 F): Frost days (min342301965201
-10 C (14 F): Days with min34127196790
-20 C (-4 F): Days with min3484198962
-30 C (-22 F): Days with min3429197228
-40 C (-40 F): Days with min6319663
20 C (68 F): Tropical nights (min4119401
10 mm (0.39 in): Days with 10 mm or more rain5347196132
25 mm (0.98 in): Days with 25 mm or more rain531119763
50 mm (1.97 in): Days with 50 mm or more rain21419761
100 mm (3.94 in): Days with 100 mm or more rain2119541
10 cm (3.9 in): Days with 10 cm or more snowfall521619619
25 cm (9.8 in): Days with 25 cm or more snowfall38419771
50 cm (19.7 in): Days with 50 cm or more snowfall5119621

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1940.

Download the Data

  • Data for Squa Pan Dam 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).