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Data as of 2025-12-31
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Built 2026-10-15 (15 October 2026)

Najahan Threshold Days by Year

8 fixed thresholds counted per year at Najahan (RSM00025821): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Najahan Thresholds

  • Najahan: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1927 with 39.
  • Najahan: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1927 with 11.
  • Najahan: nights with a minimum temperature at or below 0 C (32 F) in 13 years, most in 1981 with 235.
  • Najahan: nights with a minimum temperature at or below -10 C (14 F) in 13 years, most in 1981 with 161.
  • 8 fixed thresholds have at least one qualifying day at Najahan.
13 years with a qualifying day
Nights at or below 0 C (32 F) per year at Najahan Days per year at Najahan with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 235 in 1981. 01002003001967: 2411968: 2391969: 2501970: 2331974: 2261975: 2431976: 2441978: 2341979: 2471980: 2511981: 2351982: 2401983: 2431967196919741976197919811983
Days per year at Najahan with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 235 in 1981.
Nights at or below 0 C (32 F) per year at Najahan
YearDaysDecade average
1967241243.3
1968239243.3
1969250243.3
1970233237.8
1974226237.8
1975243237.8
1976244237.8
1978234237.8
1979247237.8
1980251242.3
1981235242.3
1982240242.3
1983243242.3
First to last qualifying date each year at Najahan For each year, a bar from the first to the last day at Najahan meeting 0 C (32 F). 1967: 1 January 1967 to 31 December 19671968: 1 January 1968 to 31 December 19681969: 1 January 1969 to 31 December 19691970: 2 January 1970 to 31 December 19701974: 1 January 1974 to 31 December 19741975: 1 January 1975 to 31 December 19751976: 1 January 1976 to 31 December 19761978: 1 January 1978 to 31 December 19781979: 1 January 1979 to 31 December 19791980: 1 January 1980 to 31 December 19801981: 1 January 1981 to 31 December 19811982: 3 January 1982 to 31 December 19821983: 1 January 1983 to 31 December 19831967196919741976197919811983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Najahan meeting 0 C (32 F).
First to last qualifying date each year at Najahan
YearFirst dateLast date
19671967-01-011967-12-31
19681968-01-011968-12-31
19691969-01-011969-12-31
19701970-01-021970-12-31
19741974-01-011974-12-31
19751975-01-011975-12-31
19761976-01-011976-12-31
19781978-01-011978-12-31
19791979-01-011979-12-31
19801980-01-011980-12-31
19811981-01-011981-12-31
19821982-01-031982-12-31
19831983-01-011983-12-31

Every Fixed Threshold

Fixed thresholds at Najahan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max11621981162
0 C (32 F): Frost days (min132351981243
-10 C (14 F): Days with min131611981172
-20 C (-4 F): Days with min1376198163
-30 C (-22 F): Days with min131219812
10 mm (0.39 in): Days with 10 mm or more rain5539192711
25 mm (0.98 in): Days with 25 mm or more rain451119271
50 mm (1.97 in): Days with 50 mm or more rain12319271

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1981.

Download the Data

  • Data for Najahan 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).