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

Deir Zzor Threshold Days by Year (SYM00040045)

10 fixed thresholds counted per year at Deir Zzor (SYM00040045): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Deir Zzor Thresholds

  • Deir Zzor: days with a maximum temperature at or above 30 C (86 F) in 2 years, most in 1958 with 176.
  • Deir Zzor: days with a maximum temperature at or above 35 C (95 F) in 2 years, most in 1958 with 111.
  • Deir Zzor: days with a maximum temperature at or above 40 C (104 F) in 2 years, most in 2000 with 53.
  • Deir Zzor: days with a maximum temperature at or above 90 F (32.2 C) in 2 years, most in 1958 with 153.
  • 10 fixed thresholds have at least one qualifying day at Deir Zzor.
2 years with a qualifying day
Days at or above 30 C (86 F) per year at Deir Zzor Days per year at Deir Zzor with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 176 in 1958. 0501001502001958: 1762000: 15319582000
Days per year at Deir Zzor with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 176 in 1958.
Days at or above 30 C (86 F) per year at Deir Zzor
YearDaysDecade average
1958176176
2000153153
First to last qualifying date each year at Deir Zzor For each year, a bar from the first to the last day at Deir Zzor meeting 30 C (86 F). 1958: 20 March 1958 to 23 October 19582000: 4 April 2000 to 13 October 200019582000JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Deir Zzor meeting 30 C (86 F).
First to last qualifying date each year at Deir Zzor
YearFirst dateLast date
19581958-03-201958-10-23
20002000-04-042000-10-13

Every Fixed Threshold

Fixed thresholds at Deir Zzor
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days21761958153
35 C (95 F): Days21111958108
40 C (104 F): Days253200053
45 C (113 F): Days1820008
90 F (32.2 C): Days21531958136
100 F (37.8 C): Days275200075
110 F (43.3 C): Days217200017
0 C (32 F): Frost days (min118195818
20 C (68 F): Tropical nights (min11181958118
25 C (77 F): Days with min150195850

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

  • Data for Deir Zzor 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).