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Built 2026-10-19 (19 October 2026)

Belen Threshold Days by Year (USC00290846)

14 fixed thresholds counted per year at Belen (USC00290846): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Belen Thresholds

  • Belen: days with a maximum temperature at or above 30 C (86 F) in 26 years, most in 1954 with 150.
  • Belen: days with a maximum temperature at or above 35 C (95 F) in 26 years, most in 1952 with 75.
  • Belen: days with a maximum temperature at or above 90 F (32.2 C) in 26 years, most in 1954 with 124.
  • Belen: nights with a minimum temperature at or below 0 C (32 F) in 26 years, most in 1953 with 172.
  • 14 fixed thresholds have at least one qualifying day at Belen.
26 years with a qualifying day
Days at or above 30 C (86 F) per year at Belen Days per year at Belen with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 150 in 1954. 0501001501942: 1071943: 1311948: 1121950: 1391951: 1301952: 1361953: 1421954: 1501955: 1361957: 1161958: 1231959: 1301960: 1281961: 1151962: 1211963: 1121964: 731967: 931968: 991969: 1201970: 1251971: 1101972: 1131973: 961974: 1191975: 88194219501953195719601963196819711974
Days per year at Belen with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 150 in 1954.
Days at or above 30 C (86 F) per year at Belen
YearDaysDecade average
1942107116.7
1943131116.7
1948112116.7
1950139133.6
1951130133.6
1952136133.6
1953142133.6
1954150133.6
1955136133.6
1957116133.6
1958123133.6
1959130133.6
1960128107.6
1961115107.6
1962121107.6
1963112107.6
196473107.6
196793107.6
196899107.6
1969120107.6
1970125108.5
1971110108.5
1972113108.5
197396108.5
1974119108.5
197588108.5
First to last qualifying date each year at Belen For each year, a bar from the first to the last day at Belen meeting 30 C (86 F). 1942: 21 May 1942 to 25 September 19421943: 4 April 1943 to 21 September 19431948: 17 April 1948 to 24 September 19481950: 21 April 1950 to 27 October 19501951: 6 May 1951 to 13 October 19511952: 3 May 1952 to 14 October 19521953: 21 March 1953 to 18 October 19531954: 5 April 1954 to 14 October 19541955: 17 April 1955 to 6 October 19551957: 16 April 1957 to 30 September 19571958: 7 May 1958 to 22 September 19581959: 25 April 1959 to 26 October 19591960: 8 April 1960 to 9 October 19601961: 5 April 1961 to 8 October 19611962: 15 April 1962 to 22 September 19621963: 8 April 1963 to 3 October 19631964: 14 May 1964 to 28 September 19641967: 9 May 1967 to 3 October 19671968: 21 May 1968 to 2 October 19681969: 25 April 1969 to 9 October 19691970: 11 May 1970 to 25 September 19701971: 11 April 1971 to 15 September 19711972: 10 April 1972 to 2 October 19721973: 10 May 1973 to 22 September 19731974: 2 May 1974 to 13 September 19741975: 11 May 1975 to 12 October 19751942195119551960196419701974JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Belen meeting 30 C (86 F).
First to last qualifying date each year at Belen
YearFirst dateLast date
19421942-05-211942-09-25
19431943-04-041943-09-21
19481948-04-171948-09-24
19501950-04-211950-10-27
19511951-05-061951-10-13
19521952-05-031952-10-14
19531953-03-211953-10-18
19541954-04-051954-10-14
19551955-04-171955-10-06
19571957-04-161957-09-30
19581958-05-071958-09-22
19591959-04-251959-10-26
19601960-04-081960-10-09
19611961-04-051961-10-08
19621962-04-151962-09-22
19631963-04-081963-10-03
19641964-05-141964-09-28
19671967-05-091967-10-03
19681968-05-211968-10-02
19691969-04-251969-10-09
19701970-05-111970-09-25
19711971-04-111971-09-15
19721972-04-101972-10-02
19731973-05-101973-09-22
19741974-05-021974-09-13
19751975-05-111975-10-12

Every Fixed Threshold

Fixed thresholds at Belen
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days26150195488
35 C (95 F): Days2675195218
40 C (104 F): Days8919512
90 F (32.2 C): Days26124195458
100 F (37.8 C): Days2537195116
0 C (32 F): Ice days (max15719711
0 C (32 F): Frost days (min261721953144
-10 C (14 F): Days with min2639195519
-20 C (-4 F): Days with min5319483
20 C (68 F): Tropical nights (min231419542
10 mm (0.39 in): Days with 10 mm or more rain261219723
25 mm (0.98 in): Days with 25 mm or more rain12419572
50 mm (1.97 in): Days with 50 mm or more rain1119691
10 cm (3.9 in): Days with 10 cm or more snowfall8319741

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for Belen 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).