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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Deer Park Threshold Days by Year (CA001142400)

13 fixed thresholds counted per year at Deer Park (CA001142400): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Deer Park Thresholds

  • Deer Park: days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 1926 with 22.
  • Deer Park: days with 10 cm (3.9 in) or more of snowfall in 52 years, most in 1937 with 9.
  • Deer Park: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 1958 with 47.
  • Deer Park: days with a maximum temperature at or below 0 C (32 F) in 28 years, most in 1960 with 47.
  • 13 fixed thresholds have at least one qualifying day at Deer Park.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Deer Park Days per year at Deer Park with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 47 in 1958. 02040601956: 251957: 61958: 471959: 201960: 341961: 361962: 161963: 171964: 81965: 241966: 141967: 461968: 211969: 281970: 411971: 371972: 101973: 371974: 221975: 151976: 81977: 271978: 201979: 331980: 101981: 91982: 61983: 101956195919621965196819711974197719801983
Days per year at Deer Park with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 47 in 1958.
Days at or above 30 C (86 F) per year at Deer Park
YearDaysDecade average
19562524.5
1957624.5
19584724.5
19592024.5
19603424.4
19613624.4
19621624.4
19631724.4
1964824.4
19652424.4
19661424.4
19674624.4
19682124.4
19692824.4
19704125
19713725
19721025
19733725
19742225
19751525
1976825
19772725
19782025
19793325
1980108.8
198198.8
198268.8
1983108.8
First to last qualifying date each year at Deer Park For each year, a bar from the first to the last day at Deer Park meeting 30 C (86 F). 1956: 9 July 1956 to 22 August 19561957: 11 July 1957 to 6 September 19571958: 20 May 1958 to 26 August 19581959: 11 July 1959 to 8 August 19591960: 29 June 1960 to 18 August 19601961: 2 June 1961 to 15 August 19611962: 16 June 1962 to 24 August 19621963: 30 May 1963 to 7 September 19631964: 8 July 1964 to 7 August 19641965: 10 June 1965 to 22 August 19651966: 7 July 1966 to 7 September 19661967: 15 June 1967 to 21 September 19671968: 25 June 1968 to 9 August 19681969: 3 June 1969 to 12 September 19691970: 16 May 1970 to 27 August 19701971: 16 July 1971 to 29 August 19711972: 31 May 1972 to 28 August 19721973: 17 May 1973 to 11 September 19731974: 17 June 1974 to 29 August 19741975: 4 July 1975 to 5 August 19751976: 16 July 1976 to 28 July 19761977: 7 June 1977 to 22 August 19771978: 5 June 1978 to 10 August 19781979: 2 June 1979 to 29 August 19791980: 8 July 1980 to 1 August 19801981: 3 July 1981 to 26 August 19811982: 14 June 1982 to 27 August 19821983: 30 May 1983 to 17 August 19831956196019641968197219761980JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Deer Park meeting 30 C (86 F).
First to last qualifying date each year at Deer Park
YearFirst dateLast date
19561956-07-091956-08-22
19571957-07-111957-09-06
19581958-05-201958-08-26
19591959-07-111959-08-08
19601960-06-291960-08-18
19611961-06-021961-08-15
19621962-06-161962-08-24
19631963-05-301963-09-07
19641964-07-081964-08-07
19651965-06-101965-08-22
19661966-07-071966-09-07
19671967-06-151967-09-21
19681968-06-251968-08-09
19691969-06-031969-09-12
19701970-05-161970-08-27
19711971-07-161971-08-29
19721972-05-311972-08-28
19731973-05-171973-09-11
19741974-06-171974-08-29
19751975-07-041975-08-05
19761976-07-161976-07-28
19771977-06-071977-08-22
19781978-06-051978-08-10
19791979-06-021979-08-29
19801980-07-081980-08-01
19811981-07-031981-08-26
19821982-06-141982-08-27
19831983-05-301983-08-17

Every Fixed Threshold

Fixed thresholds at Deer Park
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2847195810
35 C (95 F): Days181019731
90 F (32.2 C): Days273219582
100 F (37.8 C): Days5319731
0 C (32 F): Ice days (max2847196030
0 C (32 F): Frost days (min281541970107
-10 C (14 F): Days with min282719727
-20 C (-4 F): Days with min8419681
20 C (68 F): Tropical nights (min1119611
10 mm (0.39 in): Days with 10 mm or more rain5822192610
25 mm (0.98 in): Days with 25 mm or more rain20219481
10 cm (3.9 in): Days with 10 cm or more snowfall52919372
25 cm (9.8 in): Days with 25 cm or more snowfall4219652

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

  • Data for Deer Park 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 (2026-10-17).