Built 2026-10-19 (19 October 2026)

Hanford A E C Threshold Days by Year (USC00453444)

16 fixed thresholds counted per year at Hanford A E C (USC00453444): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hanford A E C Thresholds

  • Hanford A E C: nights with a minimum temperature at or below 0 C (32 F) in 27 years, most in 1913 with 139.
  • Hanford A E C: nights with a minimum temperature at or above 20 C (68 F) in 27 years, most in 1918 with 10.
  • Hanford A E C: days with a maximum temperature at or above 30 C (86 F) in 26 years, most in 1940 with 110.
  • Hanford A E C: days with a maximum temperature at or above 35 C (95 F) in 26 years, most in 1940 with 56.
  • 16 fixed thresholds have at least one qualifying day at Hanford A E C.
26 years with a qualifying day
Days at or above 30 C (86 F) per year at Hanford A E C Days per year at Hanford A E C with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 110 in 1940. 0501001501913: 911914: 821915: 741917: 641918: 891919: 761920: 651921: 831922: 961923: 781924: 891925: 741926: 711927: 581928: 741929: 671930: 731931: 881932: 741934: 911935: 731938: 1021939: 851940: 1101941: 711942: 80191319171920192319261929193219381941
Days per year at Hanford A E C with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 110 in 1940.
Days at or above 30 C (86 F) per year at Hanford A E C
YearDaysDecade average
19139179.3
19148279.3
19157479.3
19176479.3
19188979.3
19197679.3
19206575.5
19218375.5
19229675.5
19237875.5
19248975.5
19257475.5
19267175.5
19275875.5
19287475.5
19296775.5
19307383.7
19318883.7
19327483.7
19349183.7
19357383.7
193810283.7
19398583.7
194011087
19417187
19428087
First to last qualifying date each year at Hanford A E C For each year, a bar from the first to the last day at Hanford A E C meeting 30 C (86 F). 1913: 11 April 1913 to 18 September 19131914: 1 May 1914 to 10 September 19141915: 17 April 1915 to 18 September 19151917: 26 April 1917 to 20 September 19171918: 2 May 1918 to 11 October 19181919: 18 May 1919 to 26 September 19191920: 7 May 1920 to 4 September 19201921: 13 May 1921 to 27 September 19211922: 13 May 1922 to 19 September 19221923: 16 April 1923 to 15 September 19231924: 8 May 1924 to 16 September 19241925: 5 May 1925 to 23 September 19251926: 15 April 1926 to 5 September 19261927: 24 April 1927 to 23 August 19271928: 6 May 1928 to 22 September 19281929: 11 May 1929 to 16 September 19291930: 1 May 1930 to 21 September 19301931: 28 April 1931 to 5 September 19311932: 12 May 1932 to 2 October 19321934: 18 April 1934 to 17 September 19341935: 20 May 1935 to 2 October 19351938: 22 May 1938 to 27 September 19381939: 24 March 1939 to 26 September 19391940: 9 May 1940 to 20 October 19401941: 12 May 1941 to 25 September 19411942: 20 April 1942 to 6 October 19421913191819221926193019351941JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hanford A E C meeting 30 C (86 F).
First to last qualifying date each year at Hanford A E C
YearFirst dateLast date
19131913-04-111913-09-18
19141914-05-011914-09-10
19151915-04-171915-09-18
19171917-04-261917-09-20
19181918-05-021918-10-11
19191919-05-181919-09-26
19201920-05-071920-09-04
19211921-05-131921-09-27
19221922-05-131922-09-19
19231923-04-161923-09-15
19241924-05-081924-09-16
19251925-05-051925-09-23
19261926-04-151926-09-05
19271927-04-241927-08-23
19281928-05-061928-09-22
19291929-05-111929-09-16
19301930-05-011930-09-21
19311931-04-281931-09-05
19321932-05-121932-10-02
19341934-04-181934-09-17
19351935-05-201935-10-02
19381938-05-221938-09-27
19391939-03-241939-09-26
19401940-05-091940-10-20
19411941-05-121941-09-25
19421942-04-201942-10-06

Every Fixed Threshold

Fixed thresholds at Hanford A E C
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days26110194080
35 C (95 F): Days2656194044
40 C (104 F): Days2514193914
45 C (113 F): Days3119381
90 F (32.2 C): Days2685193863
100 F (37.8 C): Days2632194232
110 F (43.3 C): Days8519411
0 C (32 F): Ice days (max2545192217
0 C (32 F): Frost days (min271391913136
-10 C (14 F): Days with min2642192213
-20 C (-4 F): Days with min111019221
-30 C (-22 F): Days with min2319191
20 C (68 F): Tropical nights (min271019183
25 C (77 F): Days with min4119221
10 mm (0.39 in): Days with 10 mm or more rain20619413
25 mm (0.98 in): Days with 25 mm or more rain2119341

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1913.

Download the Data

  • Data for Hanford A E C 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).