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Built 2026-10-19 (19 October 2026)

Cairo 3 NW Threshold Days by Year (USC00301095)

18 fixed thresholds counted per year at Cairo 3 NW (USC00301095): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cairo 3 NW Thresholds

  • Cairo 3 NW: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1996 with 46.
  • Cairo 3 NW: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 2003 with 19.
  • Cairo 3 NW: days with 10 cm (3.9 in) or more of snowfall in 29 years, most in 1983 with 7.
  • Cairo 3 NW: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 1996 with 5.
  • 18 fixed thresholds have at least one qualifying day at Cairo 3 NW.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Cairo 3 NW Days per year at Cairo 3 NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 45 in 2005. 02040601980: 231981: 71982: 91983: 351984: 421985: 151986: 191987: 291988: 391989: 191990: 181991: 401993: 401994: 231995: 391996: 141997: 281998: 301999: 382000: 142001: 372002: 422003: 242004: 122005: 45198019831986198919931996199920022005
Days per year at Cairo 3 NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 45 in 2005.
Days at or above 30 C (86 F) per year at Cairo 3 NW
YearDaysDecade average
19802323.7
1981723.7
1982923.7
19833523.7
19844223.7
19851523.7
19861923.7
19872923.7
19883923.7
19891923.7
19901830
19914030
19934030
19942330
19953930
19961430
19972830
19983030
19993830
20001429
20013729
20024229
20032429
20041229
20054529
First to last qualifying date each year at Cairo 3 NW For each year, a bar from the first to the last day at Cairo 3 NW meeting 30 C (86 F). 1980: 24 May 1980 to 23 September 19801981: 26 May 1981 to 14 July 19811982: 8 July 1982 to 3 September 19821983: 13 June 1983 to 21 September 19831984: 26 May 1984 to 26 September 19841985: 11 May 1985 to 8 September 19851986: 31 March 1986 to 1 October 19861987: 18 May 1987 to 20 August 19871988: 13 June 1988 to 29 August 19881989: 19 May 1989 to 11 September 19891990: 27 April 1990 to 7 October 19901991: 8 April 1991 to 18 September 19911993: 11 May 1993 to 16 September 19931994: 28 April 1994 to 31 July 19941995: 25 May 1995 to 8 September 19951996: 21 May 1996 to 4 September 19961997: 11 June 1997 to 3 September 19971998: 31 March 1998 to 28 September 19981999: 31 May 1999 to 5 September 19992000: 7 May 2000 to 10 August 20002001: 25 April 2001 to 10 September 20012002: 17 April 2002 to 11 September 20022003: 16 April 2003 to 28 August 20032004: 20 April 2004 to 30 August 20042005: 5 June 2005 to 23 September 20051980198419881993199720012005JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cairo 3 NW meeting 30 C (86 F).
First to last qualifying date each year at Cairo 3 NW
YearFirst dateLast date
19801980-05-241980-09-23
19811981-05-261981-07-14
19821982-07-081982-09-03
19831983-06-131983-09-21
19841984-05-261984-09-26
19851985-05-111985-09-08
19861986-03-311986-10-01
19871987-05-181987-08-20
19881988-06-131988-08-29
19891989-05-191989-09-11
19901990-04-271990-10-07
19911991-04-081991-09-18
19931993-05-111993-09-16
19941994-04-281994-07-31
19951995-05-251995-09-08
19961996-05-211996-09-04
19971997-06-111997-09-03
19981998-03-311998-09-28
19991999-05-311999-09-05
20002000-05-072000-08-10
20012001-04-252001-09-10
20022002-04-172002-09-11
20032003-04-162003-08-28
20042004-04-202004-08-30
20052005-06-052005-09-23

Every Fixed Threshold

Fixed thresholds at Cairo 3 NW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2545200545
35 C (95 F): Days151019881
90 F (32.2 C): Days2530200214
100 F (37.8 C): Days3219881
0 C (32 F): Ice days (max2553198935
0 C (32 F): Frost days (min241591988134
-10 C (14 F): Days with min2471198940
-20 C (-4 F): Days with min191419947
-30 C (-22 F): Days with min2319943
20 C (68 F): Tropical nights (min2312198811
10 mm (0.39 in): Days with 10 mm or more rain2946199628
25 mm (0.98 in): Days with 25 mm or more rain2919200313
50 mm (1.97 in): Days with 50 mm or more rain27519964
100 mm (3.94 in): Days with 100 mm or more rain7219952
200 mm (7.87 in): Days with 200 mm or more rain1119991
10 cm (3.9 in): Days with 10 cm or more snowfall29719833
25 cm (9.8 in): Days with 25 cm or more snowfall15219881
50 cm (19.7 in): Days with 50 cm or more snowfall1119931

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1980.

Download the Data

  • Data for Cairo 3 NW 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).