Built 2026-10-19 (19 October 2026)

El Cajon 2 E Threshold Days by Year (USC00042705)

13 fixed thresholds counted per year at El Cajon 2 E (USC00042705): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for El Cajon 2 E Thresholds

  • El Cajon 2 E: nights with a minimum temperature at or below 0 C (32 F) in 56 years, most in 1956 with 53.
  • El Cajon 2 E: days with a maximum temperature at or above 30 C (86 F) in 55 years, most in 1917 with 131.
  • El Cajon 2 E: days with a maximum temperature at or above 35 C (95 F) in 55 years, most in 1929 with 38.
  • El Cajon 2 E: days with a maximum temperature at or above 90 F (32.2 C) in 55 years, most in 1906 with 86.
  • 13 fixed thresholds have at least one qualifying day at El Cajon 2 E.
55 years with a qualifying day
Days at or above 30 C (86 F) per year at El Cajon 2 E Days per year at El Cajon 2 E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 131 in 1917. 0501001501899: 881900: 741902: 601903: 721905: 781906: 1191907: 971908: 891909: 791910: 931913: 771914: 621915: 721916: 501917: 1311918: 1121919: 841920: 761921: 911922: 991923: 881924: 1021925: 881926: 931927: 981928: 861929: 911930: 881931: 991932: 521933: 571934: 851935: 771936: 1021937: 941938: 931939: 1011940: 841941: 791942: 791943: 1081944: 651945: 761946: 1101947: 961948: 721949: 891950: 811951: 791952: 1141953: 1291955: 831956: 941957: 861958: 1251899190719151921192719331939194519511958
Days per year at El Cajon 2 E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 131 in 1917.
Days at or above 30 C (86 F) per year at El Cajon 2 E
YearDaysDecade average
18998888
19007483.5
19026083.5
19037283.5
19057883.5
190611983.5
19079783.5
19088983.5
19097983.5
19109385.1
19137785.1
19146285.1
19157285.1
19165085.1
191713185.1
191811285.1
19198485.1
19207691.2
19219191.2
19229991.2
19238891.2
192410291.2
19258891.2
19269391.2
19279891.2
19288691.2
19299191.2
19308884.8
19319984.8
19325284.8
19335784.8
19348584.8
19357784.8
193610284.8
19379484.8
19389384.8
193910184.8
19408485.8
19417985.8
19427985.8
194310885.8
19446585.8
19457685.8
194611085.8
19479685.8
19487285.8
19498985.8
19508198.9
19517998.9
195211498.9
195312998.9
19558398.9
19569498.9
19578698.9
195812598.9
First to last qualifying date each year at El Cajon 2 E For each year, a bar from the first to the last day at El Cajon 2 E meeting 30 C (86 F). 1899: 4 March 1899 to 4 November 18991900: 9 March 1900 to 5 December 19001902: 3 January 1902 to 9 December 19021903: 29 May 1903 to 27 November 19031905: 14 May 1905 to 29 October 19051906: 19 April 1906 to 21 December 19061907: 7 February 1907 to 1 December 19071908: 10 January 1908 to 6 November 19081909: 2 April 1909 to 18 November 19091910: 3 March 1910 to 25 October 19101913: 10 April 1913 to 9 November 19131914: 8 March 1914 to 25 November 19141915: 16 March 1915 to 24 December 19151916: 14 February 1916 to 10 November 19161917: 4 April 1917 to 30 December 19171918: 30 March 1918 to 3 December 19181919: 15 April 1919 to 28 December 19191920: 17 January 1920 to 25 October 19201921: 24 February 1921 to 12 November 19211922: 19 April 1922 to 26 November 19221923: 8 January 1923 to 23 November 19231924: 12 February 1924 to 29 November 19241925: 27 February 1925 to 3 October 19251926: 26 February 1926 to 21 November 19261927: 21 April 1927 to 3 December 19271928: 9 January 1928 to 2 November 19281929: 1 May 1929 to 19 November 19291930: 18 February 1930 to 13 November 19301931: 30 January 1931 to 5 November 19311932: 28 March 1932 to 25 November 19321933: 13 June 1933 to 26 November 19331934: 9 March 1934 to 7 November 19341935: 20 April 1935 to 28 October 19351936: 11 March 1936 to 18 November 19361937: 20 April 1937 to 27 November 19371938: 8 April 1938 to 8 December 19381939: 6 April 1939 to 19 December 19391940: 14 March 1940 to 7 December 19401941: 6 May 1941 to 15 November 19411942: 19 May 1942 to 23 November 19421943: 12 February 1943 to 15 November 19431944: 9 March 1944 to 9 December 19441945: 7 April 1945 to 27 November 19451946: 1 March 1946 to 25 October 19461947: 14 February 1947 to 27 December 19471948: 8 January 1948 to 6 November 19481949: 11 April 1949 to 26 November 19491950: 30 March 1950 to 25 December 19501951: 25 January 1951 to 7 November 19511952: 27 March 1952 to 7 November 19521953: 5 January 1953 to 14 December 19531955: 25 March 1955 to 10 November 19551956: 16 March 1956 to 24 November 19561957: 13 February 1957 to 25 October 19571958: 11 April 1958 to 17 December 195818991908191719241931193819451952JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at El Cajon 2 E meeting 30 C (86 F).
First to last qualifying date each year at El Cajon 2 E
YearFirst dateLast date
18991899-03-041899-11-04
19001900-03-091900-12-05
19021902-01-031902-12-09
19031903-05-291903-11-27
19051905-05-141905-10-29
19061906-04-191906-12-21
19071907-02-071907-12-01
19081908-01-101908-11-06
19091909-04-021909-11-18
19101910-03-031910-10-25
19131913-04-101913-11-09
19141914-03-081914-11-25
19151915-03-161915-12-24
19161916-02-141916-11-10
19171917-04-041917-12-30
19181918-03-301918-12-03
19191919-04-151919-12-28
19201920-01-171920-10-25
19211921-02-241921-11-12
19221922-04-191922-11-26
19231923-01-081923-11-23
19241924-02-121924-11-29
19251925-02-271925-10-03
19261926-02-261926-11-21
19271927-04-211927-12-03
19281928-01-091928-11-02
19291929-05-011929-11-19
19301930-02-181930-11-13
19311931-01-301931-11-05
19321932-03-281932-11-25
19331933-06-131933-11-26
19341934-03-091934-11-07
19351935-04-201935-10-28
19361936-03-111936-11-18
19371937-04-201937-11-27
19381938-04-081938-12-08
19391939-04-061939-12-19
19401940-03-141940-12-07
19411941-05-061941-11-15
19421942-05-191942-11-23
19431943-02-121943-11-15
19441944-03-091944-12-09
19451945-04-071945-11-27
19461946-03-011946-10-25
19471947-02-141947-12-27
19481948-01-081948-11-06
19491949-04-111949-11-26
19501950-03-301950-12-25
19511951-01-251951-11-07
19521952-03-271952-11-07
19531953-01-051953-12-14
19551955-03-251955-11-10
19561956-03-161956-11-24
19571957-02-131957-10-25
19581958-04-111958-12-17

Every Fixed Threshold

Fixed thresholds at El Cajon 2 E
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days551311917125
35 C (95 F): Days5538192933
40 C (104 F): Days34819555
45 C (113 F): Days2119171
90 F (32.2 C): Days5586190663
100 F (37.8 C): Days5315191813
110 F (43.3 C): Days7419551
0 C (32 F): Frost days (min5653195634
20 C (68 F): Tropical nights (min22619391
10 mm (0.39 in): Days with 10 mm or more rain5127194116
25 mm (0.98 in): Days with 25 mm or more rain431019056
50 mm (1.97 in): Days with 50 mm or more rain15319271
100 mm (3.94 in): Days with 100 mm or more rain3119211

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1899.

Download the Data

  • Data for El Cajon 2 E 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).