Built 2026-10-19 (19 October 2026)

Bethlehem Lehigh UNIV Threshold Days by Year (USC00360634)

18 fixed thresholds counted per year at Bethlehem Lehigh UNIV (USC00360634): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bethlehem Lehigh UNIV Thresholds

  • Bethlehem Lehigh UNIV: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1919 with 47.
  • Bethlehem Lehigh UNIV: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1921 with 16.
  • Bethlehem Lehigh UNIV: nights with a minimum temperature at or below 0 C (32 F) in 49 years, most in 1917 with 140.
  • Bethlehem Lehigh UNIV: nights with a minimum temperature at or below -10 C (14 F) in 49 years, most in 1912 with 41.
  • 18 fixed thresholds have at least one qualifying day at Bethlehem Lehigh UNIV.
42 years with a qualifying day
Days at or above 30 C (86 F) per year at Bethlehem Lehigh UNIV Days per year at Bethlehem Lehigh UNIV with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 81 in 1963. 02550751001910: 341911: 451912: 381913: 521915: 341916: 451917: 391918: 391919: 451920: 371921: 561924: 341925: 451926: 291927: 211928: 391929: 641930: 611931: 661932: 651933: 591934: 511935: 481936: 771937: 691938: 621939: 781940: 451941: 791949: 601950: 341951: 471952: 421954: 481955: 521956: 251958: 391959: 641960: 331961: 331962: 301963: 81191019161921192819331938195019561962
Days per year at Bethlehem Lehigh UNIV with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 81 in 1963.
Days at or above 30 C (86 F) per year at Bethlehem Lehigh UNIV
YearDaysDecade average
19103441.2
19114541.2
19123841.2
19135241.2
19153441.2
19164541.2
19173941.2
19183941.2
19194541.2
19203740.6
19215640.6
19243440.6
19254540.6
19262940.6
19272140.6
19283940.6
19296440.6
19306163.6
19316663.6
19326563.6
19335963.6
19345163.6
19354863.6
19367763.6
19376963.6
19386263.6
19397863.6
19404561.3
19417961.3
19496061.3
19503443.9
19514743.9
19524243.9
19544843.9
19555243.9
19562543.9
19583943.9
19596443.9
19603344.3
19613344.3
19623044.3
19638144.3
First to last qualifying date each year at Bethlehem Lehigh UNIV For each year, a bar from the first to the last day at Bethlehem Lehigh UNIV meeting 30 C (86 F). 1910: 30 March 1910 to 6 September 19101911: 11 May 1911 to 6 September 19111912: 21 May 1912 to 18 September 19121913: 2 May 1913 to 5 September 19131915: 25 April 1915 to 17 September 19151916: 6 July 1916 to 9 October 19161917: 20 May 1917 to 20 September 19171918: 6 May 1918 to 27 August 19181919: 5 May 1919 to 4 October 19191920: 2 June 1920 to 24 October 19201921: 22 May 1921 to 30 September 19211924: 6 May 1924 to 2 September 19241925: 23 April 1925 to 13 September 19251926: 2 May 1926 to 25 September 19261927: 20 April 1927 to 3 October 19271928: 4 May 1928 to 12 October 19281929: 7 April 1929 to 25 September 19291930: 5 May 1930 to 26 September 19301931: 19 May 1931 to 6 October 19311932: 16 May 1932 to 21 September 19321933: 20 May 1933 to 27 September 19331934: 6 May 1934 to 24 September 19341935: 27 April 1935 to 21 August 19351936: 8 May 1936 to 23 September 19361937: 22 May 1937 to 24 September 19371938: 20 April 1938 to 18 October 19381939: 6 May 1939 to 11 October 19391940: 14 May 1940 to 21 September 19401941: 14 April 1941 to 6 October 19411949: 4 May 1949 to 11 October 19491950: 7 June 1950 to 2 October 19501951: 15 May 1951 to 5 October 19511952: 9 June 1952 to 13 September 19521954: 1 June 1954 to 13 October 19541955: 5 June 1955 to 22 August 19551956: 28 April 1956 to 28 August 19561958: 31 May 1958 to 17 September 19581959: 7 May 1959 to 6 October 19591960: 14 April 1960 to 1 September 19601961: 7 June 1961 to 22 September 19611962: 18 May 1962 to 3 September 19621963: 3 April 1963 to 27 October 19631910191719251931193719501958JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bethlehem Lehigh UNIV meeting 30 C (86 F).
First to last qualifying date each year at Bethlehem Lehigh UNIV
YearFirst dateLast date
19101910-03-301910-09-06
19111911-05-111911-09-06
19121912-05-211912-09-18
19131913-05-021913-09-05
19151915-04-251915-09-17
19161916-07-061916-10-09
19171917-05-201917-09-20
19181918-05-061918-08-27
19191919-05-051919-10-04
19201920-06-021920-10-24
19211921-05-221921-09-30
19241924-05-061924-09-02
19251925-04-231925-09-13
19261926-05-021926-09-25
19271927-04-201927-10-03
19281928-05-041928-10-12
19291929-04-071929-09-25
19301930-05-051930-09-26
19311931-05-191931-10-06
19321932-05-161932-09-21
19331933-05-201933-09-27
19341934-05-061934-09-24
19351935-04-271935-08-21
19361936-05-081936-09-23
19371937-05-221937-09-24
19381938-04-201938-10-18
19391939-05-061939-10-11
19401940-05-141940-09-21
19411941-04-141941-10-06
19491949-05-041949-10-11
19501950-06-071950-10-02
19511951-05-151951-10-05
19521952-06-091952-09-13
19541954-06-011954-10-13
19551955-06-051955-08-22
19561956-04-281956-08-28
19581958-05-311958-09-17
19591959-05-071959-10-06
19601960-04-141960-09-01
19611961-06-071961-09-22
19621962-05-181962-09-03
19631963-04-031963-10-27

Every Fixed Threshold

Fixed thresholds at Bethlehem Lehigh UNIV
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4281196381
35 C (95 F): Days3320196320
40 C (104 F): Days4319633
90 F (32.2 C): Days4249194148
100 F (37.8 C): Days12519635
0 C (32 F): Ice days (max4252196238
0 C (32 F): Frost days (min49140191790
-10 C (14 F): Days with min4941191216
-20 C (-4 F): Days with min11319121
20 C (68 F): Tropical nights (min4974196130
25 C (77 F): Days with min191019111
10 mm (0.39 in): Days with 10 mm or more rain5247191925
25 mm (0.98 in): Days with 25 mm or more rain521619219
50 mm (1.97 in): Days with 50 mm or more rain45519351
100 mm (3.94 in): Days with 100 mm or more rain3119351
10 cm (3.9 in): Days with 10 cm or more snowfall32519401
25 cm (9.8 in): Days with 25 cm or more snowfall4119251
50 cm (19.7 in): Days with 50 cm or more snowfall1119251

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1910.

Download the Data

  • Data for Bethlehem Lehigh UNIV 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).