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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Cairo 1SW Threshold Days by Year (USC00091463)

15 fixed thresholds counted per year at Cairo 1SW (USC00091463): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cairo 1SW Thresholds

  • Cairo 1SW: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1994 with 60.
  • Cairo 1SW: days with 25 mm (0.98 in) or more of precipitation in 68 years, most in 1964 with 29.
  • Cairo 1SW: days with 50 mm (1.97 in) or more of precipitation in 67 years, most in 1964 with 12.
  • Cairo 1SW: days with a maximum temperature at or above 30 C (86 F) in 47 years, most in 2007 with 171.
  • 15 fixed thresholds have at least one qualifying day at Cairo 1SW.
47 years with a qualifying day
Days at or above 30 C (86 F) per year at Cairo 1SW Days per year at Cairo 1SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 171 in 2007. 0501001502001932: 1101933: 1381934: 1391935: 1391936: 1491937: 1281938: 1331939: 1061940: 1141941: 1421942: 1391943: 1351944: 1301945: 1421946: 1301947: 1271948: 1321949: 1321950: 1281951: 1381952: 1201953: 1171954: 1491955: 1571956: 1291957: 1241958: 1351959: 1381960: 1361961: 1291962: 1541963: 1441964: 1301965: 1411966: 1141967: 1461968: 1541969: 1331970: 1511971: 1362006: 1162007: 1712014: 1192016: 1222017: 1142018: 1242020: 1161932193719421947195219571962196720062018
Days per year at Cairo 1SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 171 in 2007.
Days at or above 30 C (86 F) per year at Cairo 1SW
YearDaysDecade average
1932110130.3
1933138130.3
1934139130.3
1935139130.3
1936149130.3
1937128130.3
1938133130.3
1939106130.3
1940114132.3
1941142132.3
1942139132.3
1943135132.3
1944130132.3
1945142132.3
1946130132.3
1947127132.3
1948132132.3
1949132132.3
1950128133.5
1951138133.5
1952120133.5
1953117133.5
1954149133.5
1955157133.5
1956129133.5
1957124133.5
1958135133.5
1959138133.5
1960136138.1
1961129138.1
1962154138.1
1963144138.1
1964130138.1
1965141138.1
1966114138.1
1967146138.1
1968154138.1
1969133138.1
1970151143.5
1971136143.5
2006116143.5
2007171143.5
2014119119.8
2016122119.8
2017114119.8
2018124119.8
2020116116
First to last qualifying date each year at Cairo 1SW For each year, a bar from the first to the last day at Cairo 1SW meeting 30 C (86 F). 1932: 22 April 1932 to 28 September 19321933: 30 April 1933 to 19 October 19331934: 3 April 1934 to 24 October 19341935: 22 March 1935 to 6 November 19351936: 26 March 1936 to 26 October 19361937: 18 April 1937 to 8 October 19371938: 26 March 1938 to 7 November 19381939: 13 May 1939 to 28 October 19391940: 3 April 1940 to 30 October 19401941: 16 April 1941 to 24 October 19411942: 18 April 1942 to 10 November 19421943: 10 April 1943 to 24 October 19431944: 16 April 1944 to 7 October 19441945: 5 March 1945 to 14 October 19451946: 30 March 1946 to 20 October 19461947: 6 April 1947 to 22 September 19471948: 7 April 1948 to 27 November 19481949: 24 March 1949 to 25 October 19491950: 30 April 1950 to 1 November 19501951: 8 March 1951 to 1 November 19511952: 29 April 1952 to 6 October 19521953: 9 April 1953 to 24 October 19531954: 30 March 1954 to 28 October 19541955: 5 March 1955 to 13 October 19551956: 4 April 1956 to 8 October 19561957: 3 April 1957 to 24 September 19571958: 23 April 1958 to 10 October 19581959: 7 April 1959 to 13 October 19591960: 17 April 1960 to 17 October 19601961: 4 May 1961 to 4 November 19611962: 11 April 1962 to 21 October 19621963: 17 March 1963 to 28 October 19631964: 19 April 1964 to 1 October 19641965: 17 March 1965 to 10 October 19651966: 13 April 1966 to 16 October 19661967: 12 March 1967 to 16 October 19671968: 8 April 1968 to 19 October 19681969: 2 April 1969 to 14 October 19691970: 18 April 1970 to 15 October 19701971: 17 April 1971 to 2 November 19712006: 12 March 2006 to 19 October 20062007: 24 March 2007 to 23 October 20072014: 6 May 2014 to 13 October 20142016: 16 March 2016 to 1 November 20162017: 23 March 2017 to 18 October 20172018: 19 April 2018 to 21 October 20182020: 19 March 2020 to 29 October 202019321938194419501956196219682014JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cairo 1SW meeting 30 C (86 F).
First to last qualifying date each year at Cairo 1SW
YearFirst dateLast date
19321932-04-221932-09-28
19331933-04-301933-10-19
19341934-04-031934-10-24
19351935-03-221935-11-06
19361936-03-261936-10-26
19371937-04-181937-10-08
19381938-03-261938-11-07
19391939-05-131939-10-28
19401940-04-031940-10-30
19411941-04-161941-10-24
19421942-04-181942-11-10
19431943-04-101943-10-24
19441944-04-161944-10-07
19451945-03-051945-10-14
19461946-03-301946-10-20
19471947-04-061947-09-22
19481948-04-071948-11-27
19491949-03-241949-10-25
19501950-04-301950-11-01
19511951-03-081951-11-01
19521952-04-291952-10-06
19531953-04-091953-10-24
19541954-03-301954-10-28
19551955-03-051955-10-13
19561956-04-041956-10-08
19571957-04-031957-09-24
19581958-04-231958-10-10
19591959-04-071959-10-13
19601960-04-171960-10-17
19611961-05-041961-11-04
19621962-04-111962-10-21
19631963-03-171963-10-28
19641964-04-191964-10-01
19651965-03-171965-10-10
19661966-04-131966-10-16
19671967-03-121967-10-16
19681968-04-081968-10-19
19691969-04-021969-10-14
19701970-04-181970-10-15
19711971-04-171971-11-02
20062006-03-122006-10-19
20072007-03-242007-10-23
20142014-05-062014-10-13
20162016-03-162016-11-01
20172017-03-232017-10-18
20182018-04-192018-10-21
20202020-03-192020-10-29

Every Fixed Threshold

Fixed thresholds at Cairo 1SW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days471712007116
35 C (95 F): Days476019546
90 F (32.2 C): Days47119200760
100 F (37.8 C): Days151019541
0 C (32 F): Ice days (max1220142
0 C (32 F): Frost days (min4648196320
-10 C (14 F): Days with min5219401
20 C (68 F): Tropical nights (min461311933116
25 C (77 F): Days with min4419321
10 mm (0.39 in): Days with 10 mm or more rain6860199444
25 mm (0.98 in): Days with 25 mm or more rain6829196415
50 mm (1.97 in): Days with 50 mm or more rain671219643
100 mm (3.94 in): Days with 100 mm or more rain25219281
200 mm (7.87 in): Days with 200 mm or more rain2119481
10 cm (3.9 in): Days with 10 cm or more snowfall1119891

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1932.

Download the Data

  • Data for Cairo 1SW 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).