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

Walnut Creek 2 ESE Threshold Days by Year (USC00049423)

14 fixed thresholds counted per year at Walnut Creek 2 ESE (USC00049423): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Walnut Creek 2 ESE Thresholds

  • Walnut Creek 2 ESE: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1940 with 30.
  • Walnut Creek 2 ESE: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1940 with 11.
  • Walnut Creek 2 ESE: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 1970 with 98.
  • Walnut Creek 2 ESE: days with a maximum temperature at or above 35 C (95 F) in 34 years, most in 1969 with 41.
  • 14 fixed thresholds have at least one qualifying day at Walnut Creek 2 ESE.
34 years with a qualifying day
Days at or above 30 C (86 F) per year at Walnut Creek 2 ESE Days per year at Walnut Creek 2 ESE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 98 in 1970. 02550751001893: 691894: 851896: 751897: 701898: 831899: 601914: 441915: 301948: 561949: 661950: 781951: 631952: 711953: 571954: 531955: 611956: 471957: 601958: 731959: 851960: 761961: 841962: 711963: 601964: 691965: 561966: 711967: 851968: 641969: 931970: 981971: 881972: 901973: 91189318981948195219561960196419681972
Days per year at Walnut Creek 2 ESE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 98 in 1970.
Days at or above 30 C (86 F) per year at Walnut Creek 2 ESE
YearDaysDecade average
18936973.7
18948573.7
18967573.7
18977073.7
18988373.7
18996073.7
19144437
19153037
19485661
19496661
19507864.8
19516364.8
19527164.8
19535764.8
19545364.8
19556164.8
19564764.8
19576064.8
19587364.8
19598564.8
19607672.9
19618472.9
19627172.9
19636072.9
19646972.9
19655672.9
19667172.9
19678572.9
19686472.9
19699372.9
19709891.8
19718891.8
19729091.8
19739191.8
First to last qualifying date each year at Walnut Creek 2 ESE For each year, a bar from the first to the last day at Walnut Creek 2 ESE meeting 30 C (86 F). 1893: 7 May 1893 to 6 October 18931894: 9 April 1894 to 6 October 18941896: 24 May 1896 to 6 October 18961897: 10 April 1897 to 4 October 18971898: 11 April 1898 to 20 October 18981899: 20 April 1899 to 8 October 18991914: 5 March 1914 to 14 October 19141915: 16 July 1915 to 5 October 19151948: 6 June 1948 to 18 October 19481949: 12 April 1949 to 5 November 19491950: 19 April 1950 to 14 October 19501951: 10 April 1951 to 15 October 19511952: 17 May 1952 to 6 October 19521953: 5 May 1953 to 9 October 19531954: 17 April 1954 to 16 October 19541955: 11 May 1955 to 14 October 19551956: 16 May 1956 to 2 October 19561957: 29 April 1957 to 24 September 19571958: 16 May 1958 to 18 October 19581959: 30 April 1959 to 26 October 19591960: 11 May 1960 to 27 September 19601961: 4 April 1961 to 18 October 19611962: 14 April 1962 to 2 October 19621963: 17 May 1963 to 2 October 19631964: 15 April 1964 to 23 October 19641965: 26 April 1965 to 26 October 19651966: 1 April 1966 to 11 October 19661967: 16 May 1967 to 18 October 19671968: 11 April 1968 to 26 October 19681969: 5 May 1969 to 1 October 19691970: 2 May 1970 to 11 October 19701971: 22 May 1971 to 13 October 19711972: 16 March 1972 to 6 October 19721973: 22 April 1973 to 17 October 19731893189919501955196019651970JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Walnut Creek 2 ESE meeting 30 C (86 F).
First to last qualifying date each year at Walnut Creek 2 ESE
YearFirst dateLast date
18931893-05-071893-10-06
18941894-04-091894-10-06
18961896-05-241896-10-06
18971897-04-101897-10-04
18981898-04-111898-10-20
18991899-04-201899-10-08
19141914-03-051914-10-14
19151915-07-161915-10-05
19481948-06-061948-10-18
19491949-04-121949-11-05
19501950-04-191950-10-14
19511951-04-101951-10-15
19521952-05-171952-10-06
19531953-05-051953-10-09
19541954-04-171954-10-16
19551955-05-111955-10-14
19561956-05-161956-10-02
19571957-04-291957-09-24
19581958-05-161958-10-18
19591959-04-301959-10-26
19601960-05-111960-09-27
19611961-04-041961-10-18
19621962-04-141962-10-02
19631963-05-171963-10-02
19641964-04-151964-10-23
19651965-04-261965-10-26
19661966-04-011966-10-11
19671967-05-161967-10-18
19681968-04-111968-10-26
19691969-05-051969-10-01
19701970-05-021970-10-11
19711971-05-221971-10-13
19721972-03-161972-10-06
19731973-04-221973-10-17

Every Fixed Threshold

Fixed thresholds at Walnut Creek 2 ESE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3498197091
35 C (95 F): Days3441196939
40 C (104 F): Days261219505
45 C (113 F): Days2219501
90 F (32.2 C): Days3475196968
100 F (37.8 C): Days3322195018
110 F (43.3 C): Days3719502
0 C (32 F): Frost days (min3467196424
20 C (68 F): Tropical nights (min8518981
25 C (77 F): Days with min1118941
10 mm (0.39 in): Days with 10 mm or more rain4730194023
25 mm (0.98 in): Days with 25 mm or more rain471119408
50 mm (1.97 in): Days with 50 mm or more rain18319311
100 mm (3.94 in): Days with 100 mm or more rain1119621

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

  • Data for Walnut Creek 2 ESE 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).