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

Telegraph Creek Threshold Days by Year (USC00248161)

16 fixed thresholds counted per year at Telegraph Creek (USC00248161): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Telegraph Creek Thresholds

  • Telegraph Creek: days with 10 mm (0.39 in) or more of precipitation in 26 years, most in 1970 with 15.
  • Telegraph Creek: days with a maximum temperature at or above 30 C (86 F) in 23 years, most in 1961 with 76.
  • Telegraph Creek: days with a maximum temperature at or above 35 C (95 F) in 23 years, most in 1961 with 34.
  • Telegraph Creek: days with a maximum temperature at or above 90 F (32.2 C) in 23 years, most in 1961 with 58.
  • 16 fixed thresholds have at least one qualifying day at Telegraph Creek.
23 years with a qualifying day
Days at or above 30 C (86 F) per year at Telegraph Creek Days per year at Telegraph Creek with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 1961. 0204060801945: 481946: 441947: 491948: 481952: 421953: 501954: 381955: 411956: 441957: 511958: 451959: 481960: 561961: 761962: 311964: 401965: 261966: 631967: 621968: 411969: 441970: 621972: 4119451948195419571960196419671970
Days per year at Telegraph Creek with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 1961.
Days at or above 30 C (86 F) per year at Telegraph Creek
YearDaysDecade average
19454847.3
19464447.3
19474947.3
19484847.3
19524244.9
19535044.9
19543844.9
19554144.9
19564444.9
19575144.9
19584544.9
19594844.9
19605648.8
19617648.8
19623148.8
19644048.8
19652648.8
19666348.8
19676248.8
19684148.8
19694448.8
19706251.5
19724151.5
First to last qualifying date each year at Telegraph Creek For each year, a bar from the first to the last day at Telegraph Creek meeting 30 C (86 F). 1945: 30 May 1945 to 6 September 19451946: 26 April 1946 to 30 September 19461947: 19 June 1947 to 12 September 19471948: 17 May 1948 to 4 October 19481952: 25 April 1952 to 3 September 19521953: 6 May 1953 to 15 September 19531954: 19 May 1954 to 22 September 19541955: 13 June 1955 to 10 October 19551956: 17 May 1956 to 19 September 19561957: 2 May 1957 to 1 October 19571958: 11 May 1958 to 12 September 19581959: 2 June 1959 to 13 September 19591960: 11 May 1960 to 6 October 19601961: 26 May 1961 to 16 October 19611962: 19 April 1962 to 27 September 19621964: 19 May 1964 to 19 August 19641965: 24 June 1965 to 16 August 19651966: 6 May 1966 to 23 September 19661967: 26 June 1967 to 29 September 19671968: 29 April 1968 to 13 September 19681969: 22 April 1969 to 13 September 19691970: 4 June 1970 to 4 October 19701972: 16 May 1972 to 18 September 197219451948195419571960196419671970JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Telegraph Creek meeting 30 C (86 F).
First to last qualifying date each year at Telegraph Creek
YearFirst dateLast date
19451945-05-301945-09-06
19461946-04-261946-09-30
19471947-06-191947-09-12
19481948-05-171948-10-04
19521952-04-251952-09-03
19531953-05-061953-09-15
19541954-05-191954-09-22
19551955-06-131955-10-10
19561956-05-171956-09-19
19571957-05-021957-10-01
19581958-05-111958-09-12
19591959-06-021959-09-13
19601960-05-111960-10-06
19611961-05-261961-10-16
19621962-04-191962-09-27
19641964-05-191964-08-19
19651965-06-241965-08-16
19661966-05-061966-09-23
19671967-06-261967-09-29
19681968-04-291968-09-13
19691969-04-221969-09-13
19701970-06-041970-10-04
19721972-05-161972-09-18

Every Fixed Threshold

Fixed thresholds at Telegraph Creek
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2376196141
35 C (95 F): Days233419617
40 C (104 F): Days10219472
90 F (32.2 C): Days2358196122
100 F (37.8 C): Days211119611
0 C (32 F): Ice days (max2387195559
0 C (32 F): Frost days (min222041970183
-10 C (14 F): Days with min22107195576
-20 C (-4 F): Days with min2245196943
-30 C (-22 F): Days with min2118197218
-40 C (-40 F): Days with min4319692
20 C (68 F): Tropical nights (min15319451
10 mm (0.39 in): Days with 10 mm or more rain2615197013
25 mm (0.98 in): Days with 25 mm or more rain18419625
50 mm (1.97 in): Days with 50 mm or more rain5219642
10 cm (3.9 in): Days with 10 cm or more snowfall12419541

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

  • Data for Telegraph Creek 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).