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Built 2026-10-19 (19 October 2026)

Port Arthur Wb City Threshold Days by Year (USC00417173)

16 fixed thresholds counted per year at Port Arthur Wb City (USC00417173): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Port Arthur Wb City Thresholds

  • Port Arthur Wb City: days with 10 mm (0.39 in) or more of precipitation in 20 years, most in 1949 with 57.
  • Port Arthur Wb City: days with 25 mm (0.98 in) or more of precipitation in 20 years, most in 1949 with 26.
  • Port Arthur Wb City: days with 50 mm (1.97 in) or more of precipitation in 20 years, most in 1957 with 10.
  • Port Arthur Wb City: days with a maximum temperature at or above 30 C (86 F) in 18 years, most in 1962 with 142.
  • 16 fixed thresholds have at least one qualifying day at Port Arthur Wb City.
18 years with a qualifying day
Days at or above 30 C (86 F) per year at Port Arthur Wb City Days per year at Port Arthur Wb City with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 142 in 1962. 0501001501949: 1281950: 1131951: 1221952: 1181953: 1251954: 1231955: 1251956: 1301957: 1081958: 1141959: 1191960: 1151961: 1061962: 1421963: 1371965: 1261966: 1241967: 102194919511953195519571959196119631966
Days per year at Port Arthur Wb City with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 142 in 1962.
Days at or above 30 C (86 F) per year at Port Arthur Wb City
YearDaysDecade average
1949128128
1950113119.7
1951122119.7
1952118119.7
1953125119.7
1954123119.7
1955125119.7
1956130119.7
1957108119.7
1958114119.7
1959119119.7
1960115121.7
1961106121.7
1962142121.7
1963137121.7
1965126121.7
1966124121.7
1967102121.7
First to last qualifying date each year at Port Arthur Wb City For each year, a bar from the first to the last day at Port Arthur Wb City meeting 30 C (86 F). 1949: 2 May 1949 to 11 October 19491950: 15 May 1950 to 12 October 19501951: 4 May 1951 to 22 October 19511952: 4 May 1952 to 2 October 19521953: 16 April 1953 to 16 October 19531954: 30 May 1954 to 15 October 19541955: 26 April 1955 to 13 October 19551956: 8 May 1956 to 21 October 19561957: 18 May 1957 to 5 October 19571958: 26 April 1958 to 11 October 19581959: 8 May 1959 to 14 October 19591960: 21 May 1960 to 14 October 19601961: 29 April 1961 to 14 October 19611962: 29 April 1962 to 21 October 19621963: 24 April 1963 to 7 November 19631965: 20 April 1965 to 18 October 19651966: 2 April 1966 to 13 October 19661967: 19 April 1967 to 6 October 1967194919521955195819611965JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Port Arthur Wb City meeting 30 C (86 F).
First to last qualifying date each year at Port Arthur Wb City
YearFirst dateLast date
19491949-05-021949-10-11
19501950-05-151950-10-12
19511951-05-041951-10-22
19521952-05-041952-10-02
19531953-04-161953-10-16
19541954-05-301954-10-15
19551955-04-261955-10-13
19561956-05-081956-10-21
19571957-05-181957-10-05
19581958-04-261958-10-11
19591959-05-081959-10-14
19601960-05-211960-10-14
19611961-04-291961-10-14
19621962-04-291962-10-21
19631963-04-241963-11-07
19651965-04-201965-10-18
19661966-04-021966-10-13
19671967-04-191967-10-06

Every Fixed Threshold

Fixed thresholds at Port Arthur Wb City
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days181421962102
35 C (95 F): Days172919625
40 C (104 F): Days1119621
90 F (32.2 C): Days18105196257
100 F (37.8 C): Days1519625
0 C (32 F): Ice days (max4519635
0 C (32 F): Frost days (min172719636
-10 C (14 F): Days with min1119511
20 C (68 F): Tropical nights (min181811955149
25 C (77 F): Days with min1875195139
10 mm (0.39 in): Days with 10 mm or more rain2057194931
25 mm (0.98 in): Days with 25 mm or more rain2026194915
50 mm (1.97 in): Days with 50 mm or more rain201019573
100 mm (3.94 in): Days with 100 mm or more rain14519611
200 mm (7.87 in): Days with 200 mm or more rain2119151
10 cm (3.9 in): Days with 10 cm or more snowfall2119581

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Port Arthur Wb City 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).