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Built 2026-10-19 (19 October 2026)

Safford Threshold Days by Year (USC00027388)

17 fixed thresholds counted per year at Safford (USC00027388): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Safford Thresholds

  • Safford: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1965 with 14.
  • Safford: days with a maximum temperature at or above 30 C (86 F) in 43 years, most in 1950 with 188.
  • Safford: days with a maximum temperature at or above 35 C (95 F) in 43 years, most in 1956 with 124.
  • Safford: days with a maximum temperature at or above 40 C (104 F) in 43 years, most in 1951 with 42.
  • 17 fixed thresholds have at least one qualifying day at Safford.
43 years with a qualifying day
Days at or above 30 C (86 F) per year at Safford Days per year at Safford with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 188 in 1950. 0501001502001900: 1371902: 1801904: 1571905: 1291906: 1411907: 1261910: 1621912: 1461913: 1721938: 1601939: 1601940: 1581941: 1391942: 1561943: 1611944: 1421946: 1681947: 1661948: 1621949: 1641950: 1881951: 1661952: 1771953: 1611954: 1751955: 1551956: 1781957: 1401958: 1491959: 1641960: 1621961: 1561962: 1631963: 1731964: 1561965: 1611966: 1551967: 1401968: 1501969: 1681970: 1381971: 1311972: 169190019071939194419501955196019651970
Days per year at Safford with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 188 in 1950.
Days at or above 30 C (86 F) per year at Safford
YearDaysDecade average
1900137145
1902180145
1904157145
1905129145
1906141145
1907126145
1910162160
1912146160
1913172160
1938160160
1939160160
1940158157.3
1941139157.3
1942156157.3
1943161157.3
1944142157.3
1946168157.3
1947166157.3
1948162157.3
1949164157.3
1950188165.3
1951166165.3
1952177165.3
1953161165.3
1954175165.3
1955155165.3
1956178165.3
1957140165.3
1958149165.3
1959164165.3
1960162158.4
1961156158.4
1962163158.4
1963173158.4
1964156158.4
1965161158.4
1966155158.4
1967140158.4
1968150158.4
1969168158.4
1970138146
1971131146
1972169146
First to last qualifying date each year at Safford For each year, a bar from the first to the last day at Safford meeting 30 C (86 F). 1900: 11 March 1900 to 27 October 19001902: 6 April 1902 to 24 October 19021904: 24 February 1904 to 7 October 19041905: 30 April 1905 to 16 October 19051906: 10 April 1906 to 10 November 19061907: 18 March 1907 to 30 September 19071910: 3 March 1910 to 30 September 19101912: 4 April 1912 to 27 October 19121913: 31 March 1913 to 27 October 19131938: 25 March 1938 to 30 October 19381939: 9 April 1939 to 21 October 19391940: 19 April 1940 to 22 October 19401941: 5 May 1941 to 13 October 19411942: 2 April 1942 to 27 October 19421943: 28 March 1943 to 28 October 19431944: 6 April 1944 to 17 October 19441946: 31 March 1946 to 23 October 19461947: 17 April 1947 to 23 October 19471948: 15 April 1948 to 17 October 19481949: 15 April 1949 to 19 October 19491950: 2 April 1950 to 31 October 19501951: 4 April 1951 to 21 October 19511952: 5 April 1952 to 28 October 19521953: 26 March 1953 to 19 October 19531954: 10 April 1954 to 23 October 19541955: 16 April 1955 to 21 October 19551956: 19 March 1956 to 24 October 19561957: 15 February 1957 to 10 October 19571958: 20 April 1958 to 21 October 19581959: 3 April 1959 to 27 October 19591960: 23 March 1960 to 29 October 19601961: 5 April 1961 to 23 October 19611962: 30 March 1962 to 17 October 19621963: 1 April 1963 to 31 October 19631964: 15 April 1964 to 30 October 19641965: 1 April 1965 to 29 October 19651966: 1 April 1966 to 28 October 19661967: 29 March 1967 to 29 October 19671968: 30 March 1968 to 30 October 19681969: 30 March 1969 to 19 October 19691970: 15 April 1970 to 30 November 19701971: 27 March 1971 to 15 October 19711972: 8 March 1972 to 17 October 197219001910194119481954196019661972JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Safford meeting 30 C (86 F).
First to last qualifying date each year at Safford
YearFirst dateLast date
19001900-03-111900-10-27
19021902-04-061902-10-24
19041904-02-241904-10-07
19051905-04-301905-10-16
19061906-04-101906-11-10
19071907-03-181907-09-30
19101910-03-031910-09-30
19121912-04-041912-10-27
19131913-03-311913-10-27
19381938-03-251938-10-30
19391939-04-091939-10-21
19401940-04-191940-10-22
19411941-05-051941-10-13
19421942-04-021942-10-27
19431943-03-281943-10-28
19441944-04-061944-10-17
19461946-03-311946-10-23
19471947-04-171947-10-23
19481948-04-151948-10-17
19491949-04-151949-10-19
19501950-04-021950-10-31
19511951-04-041951-10-21
19521952-04-051952-10-28
19531953-03-261953-10-19
19541954-04-101954-10-23
19551955-04-161955-10-21
19561956-03-191956-10-24
19571957-02-151957-10-10
19581958-04-201958-10-21
19591959-04-031959-10-27
19601960-03-231960-10-29
19611961-04-051961-10-23
19621962-03-301962-10-17
19631963-04-011963-10-31
19641964-04-151964-10-30
19651965-04-011965-10-29
19661966-04-011966-10-28
19671967-03-291967-10-29
19681968-03-301968-10-30
19691969-03-301969-10-19
19701970-04-151970-11-30
19711971-03-271971-10-15
19721972-03-081972-10-17

Every Fixed Threshold

Fixed thresholds at Safford
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days431881950169
35 C (95 F): Days43124195682
40 C (104 F): Days4342195112
45 C (113 F): Days2219712
90 F (32.2 C): Days431561950129
100 F (37.8 C): Days4377195233
110 F (43.3 C): Days11819718
0 C (32 F): Ice days (max3219491
0 C (32 F): Frost days (min42104196490
-10 C (14 F): Days with min14919644
20 C (68 F): Tropical nights (min4276195857
25 C (77 F): Days with min26919704
10 mm (0.39 in): Days with 10 mm or more rain441419656
25 mm (0.98 in): Days with 25 mm or more rain28419051
50 mm (1.97 in): Days with 50 mm or more rain6119041
10 cm (3.9 in): Days with 10 cm or more snowfall3119071
25 cm (9.8 in): Days with 25 cm or more snowfall1119671

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

  • Data for Safford 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).