Built 2026-10-19 (19 October 2026)

Rockport 1 ESE Threshold Days by Year (USC00196977)

17 fixed thresholds counted per year at Rockport 1 ESE (USC00196977): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rockport 1 ESE Thresholds

  • Rockport 1 ESE: days with a maximum temperature at or below 0 C (32 F) in 69 years, most in 1904 with 53.
  • Rockport 1 ESE: days with a maximum temperature at or above 30 C (86 F) in 68 years, most in 1949 with 27.
  • Rockport 1 ESE: nights with a minimum temperature at or below 0 C (32 F) in 67 years, most in 1904 with 140.
  • Rockport 1 ESE: nights with a minimum temperature at or below -10 C (14 F) in 67 years, most in 1917 with 36.
  • 17 fixed thresholds have at least one qualifying day at Rockport 1 ESE.
68 years with a qualifying day
Days at or above 30 C (86 F) per year at Rockport 1 ESE Days per year at Rockport 1 ESE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 1949. 01020301903: 41904: 11905: 41906: 51907: 41908: 71909: 81910: 31911: 71912: 51913: 71914: 21916: 61917: 41918: 81919: 101920: 31921: 111923: 141924: 211925: 91926: 61927: 31930: 161931: 91932: 31934: 111935: 221937: 161939: 91943: 91944: 171945: 81947: 101948: 161949: 271950: 91951: 51952: 211953: 151954: 61955: 191956: 101957: 91958: 51959: 91960: 21961: 81962: 21963: 121964: 51965: 71966: 91967: 11968: 81969: 131970: 51971: 51973: 111974: 71975: 91976: 41977: 111978: 71979: 61980: 101981: 41982: 21903191019181926193719491956196319701978
Days per year at Rockport 1 ESE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 1949.
Days at or above 30 C (86 F) per year at Rockport 1 ESE
YearDaysDecade average
190344.7
190414.7
190544.7
190654.7
190744.7
190874.7
190984.7
191035.8
191175.8
191255.8
191375.8
191425.8
191665.8
191745.8
191885.8
1919105.8
192039.6
1921119.6
1923149.6
1924219.6
192599.6
192669.6
192739.6
19301612.3
1931912.3
1932312.3
19341112.3
19352212.3
19371612.3
1939912.3
1943914.5
19441714.5
1945814.5
19471014.5
19481614.5
19492714.5
1950910.8
1951510.8
19522110.8
19531510.8
1954610.8
19551910.8
19561010.8
1957910.8
1958510.8
1959910.8
196026.7
196186.7
196226.7
1963126.7
196456.7
196576.7
196696.7
196716.7
196886.7
1969136.7
197057.2
197157.2
1973117.2
197477.2
197597.2
197647.2
1977117.2
197877.2
197967.2
1980105.3
198145.3
198225.3
First to last qualifying date each year at Rockport 1 ESE For each year, a bar from the first to the last day at Rockport 1 ESE meeting 30 C (86 F). 1903: 2 July 1903 to 14 September 19031904: 26 June 1904 to 26 June 19041905: 18 June 1905 to 22 August 19051906: 19 May 1906 to 23 August 19061907: 18 June 1907 to 10 August 19071908: 20 June 1908 to 11 September 19081909: 21 June 1909 to 26 August 19091910: 22 June 1910 to 25 July 19101911: 22 May 1911 to 13 July 19111912: 24 June 1912 to 25 August 19121913: 16 June 1913 to 17 August 19131914: 18 July 1914 to 21 September 19141916: 1 July 1916 to 8 August 19161917: 18 July 1917 to 31 July 19171918: 2 June 1918 to 23 August 19181919: 29 May 1919 to 8 September 19191920: 2 June 1920 to 8 August 19201921: 21 May 1921 to 3 September 19211923: 26 May 1923 to 21 July 19231924: 25 June 1924 to 1 September 19241925: 4 June 1925 to 31 August 19251926: 21 July 1926 to 29 August 19261927: 13 July 1927 to 1 October 19271930: 6 May 1930 to 17 September 19301931: 18 June 1931 to 22 September 19311932: 10 July 1932 to 4 August 19321934: 2 June 1934 to 20 August 19341935: 13 June 1935 to 22 August 19351937: 31 May 1937 to 5 September 19371939: 28 May 1939 to 16 September 19391943: 22 June 1943 to 14 August 19431944: 31 May 1944 to 17 August 19441945: 29 March 1945 to 8 September 19451947: 18 July 1947 to 12 September 19471948: 25 June 1948 to 18 September 19481949: 19 May 1949 to 28 August 19491950: 8 June 1950 to 9 August 19501951: 16 May 1951 to 30 August 19511952: 15 June 1952 to 2 September 19521953: 6 June 1953 to 2 September 19531954: 21 June 1954 to 25 August 19541955: 18 June 1955 to 22 August 19551956: 13 June 1956 to 28 August 19561957: 9 May 1957 to 3 August 19571958: 30 June 1958 to 26 September 19581959: 22 May 1959 to 21 August 19591960: 1 September 1960 to 8 September 19601961: 13 June 1961 to 12 September 19611962: 31 May 1962 to 17 June 19621963: 24 June 1963 to 28 July 19631964: 23 May 1964 to 19 July 19641965: 26 May 1965 to 7 August 19651966: 4 June 1966 to 2 September 19661967: 16 June 1967 to 16 June 19671968: 6 June 1968 to 4 August 19681969: 28 June 1969 to 1 September 19691970: 11 June 1970 to 23 September 19701971: 30 June 1971 to 5 September 19711973: 9 June 1973 to 4 September 19731974: 17 May 1974 to 4 August 19741975: 23 June 1975 to 14 August 19751976: 11 June 1976 to 20 July 19761977: 17 May 1977 to 2 September 19771978: 10 July 1978 to 29 August 19781979: 9 May 1979 to 1 August 19791980: 24 June 1980 to 22 September 19801981: 7 July 1981 to 11 July 19811982: 18 July 1982 to 19 July 198219031912192319351950195919681978JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rockport 1 ESE meeting 30 C (86 F).
First to last qualifying date each year at Rockport 1 ESE
YearFirst dateLast date
19031903-07-021903-09-14
19041904-06-261904-06-26
19051905-06-181905-08-22
19061906-05-191906-08-23
19071907-06-181907-08-10
19081908-06-201908-09-11
19091909-06-211909-08-26
19101910-06-221910-07-25
19111911-05-221911-07-13
19121912-06-241912-08-25
19131913-06-161913-08-17
19141914-07-181914-09-21
19161916-07-011916-08-08
19171917-07-181917-07-31
19181918-06-021918-08-23
19191919-05-291919-09-08
19201920-06-021920-08-08
19211921-05-211921-09-03
19231923-05-261923-07-21
19241924-06-251924-09-01
19251925-06-041925-08-31
19261926-07-211926-08-29
19271927-07-131927-10-01
19301930-05-061930-09-17
19311931-06-181931-09-22
19321932-07-101932-08-04
19341934-06-021934-08-20
19351935-06-131935-08-22
19371937-05-311937-09-05
19391939-05-281939-09-16
19431943-06-221943-08-14
19441944-05-311944-08-17
19451945-03-291945-09-08
19471947-07-181947-09-12
19481948-06-251948-09-18
19491949-05-191949-08-28
19501950-06-081950-08-09
19511951-05-161951-08-30
19521952-06-151952-09-02
19531953-06-061953-09-02
19541954-06-211954-08-25
19551955-06-181955-08-22
19561956-06-131956-08-28
19571957-05-091957-08-03
19581958-06-301958-09-26
19591959-05-221959-08-21
19601960-09-011960-09-08
19611961-06-131961-09-12
19621962-05-311962-06-17
19631963-06-241963-07-28
19641964-05-231964-07-19
19651965-05-261965-08-07
19661966-06-041966-09-02
19671967-06-161967-06-16
19681968-06-061968-08-04
19691969-06-281969-09-01
19701970-06-111970-09-23
19711971-06-301971-09-05
19731973-06-091973-09-04
19741974-05-171974-08-04
19751975-06-231975-08-14
19761976-06-111976-07-20
19771977-05-171977-09-02
19781978-07-101978-08-29
19791979-05-091979-08-01
19801980-06-241980-09-22
19811981-07-071981-07-11
19821982-07-181982-07-19

Every Fixed Threshold

Fixed thresholds at Rockport 1 ESE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days682719492
35 C (95 F): Days211019491
90 F (32.2 C): Days561619492
100 F (37.8 C): Days3219491
0 C (32 F): Ice days (max6953190432
0 C (32 F): Frost days (min671401904110
-10 C (14 F): Days with min6736191724
-20 C (-4 F): Days with min26419341
20 C (68 F): Tropical nights (min642119797
25 C (77 F): Days with min5119091
10 mm (0.39 in): Days with 10 mm or more rain6753190734
25 mm (0.98 in): Days with 25 mm or more rain6720196914
50 mm (1.97 in): Days with 50 mm or more rain57419062
100 mm (3.94 in): Days with 100 mm or more rain10119041
10 cm (3.9 in): Days with 10 cm or more snowfall441019567
25 cm (9.8 in): Days with 25 cm or more snowfall22319691
50 cm (19.7 in): Days with 50 cm or more snowfall1219782

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.

Download the Data

  • Data for Rockport 1 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).