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

Elma Threshold Days by Year (USC00302599)

13 fixed thresholds counted per year at Elma (USC00302599): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Elma Thresholds

  • Elma: days with 10 mm (0.39 in) or more of precipitation in 19 years, most in 1956 with 47.
  • Elma: days with 25 mm (0.98 in) or more of precipitation in 19 years, most in 1955 with 10.
  • Elma: days with 10 cm (3.9 in) or more of snowfall in 18 years, most in 1945 with 10.
  • Elma: days with a maximum temperature at or above 30 C (86 F) in 17 years, most in 1955 with 36.
  • 13 fixed thresholds have at least one qualifying day at Elma.
17 years with a qualifying day
Days at or above 30 C (86 F) per year at Elma Days per year at Elma with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 36 in 1955. 0102030401943: 111944: 191945: 181946: 61947: 261948: 131949: 331950: 61951: 71952: 321953: 221954: 101955: 361956: 21957: 71958: 21959: 23194319451947194919511953195519571959
Days per year at Elma with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 36 in 1955.
Days at or above 30 C (86 F) per year at Elma
YearDaysDecade average
19431118
19441918
19451818
1946618
19472618
19481318
19493318
1950614.7
1951714.7
19523214.7
19532214.7
19541014.7
19553614.7
1956214.7
1957714.7
1958214.7
19592314.7
First to last qualifying date each year at Elma For each year, a bar from the first to the last day at Elma meeting 30 C (86 F). 1943: 24 June 1943 to 6 September 19431944: 5 June 1944 to 15 August 19441945: 14 June 1945 to 10 September 19451946: 30 June 1946 to 28 September 19461947: 10 June 1947 to 11 September 19471948: 29 June 1948 to 7 September 19481949: 12 June 1949 to 27 August 19491950: 5 May 1950 to 27 August 19501951: 14 August 1951 to 4 October 19511952: 15 June 1952 to 14 September 19521953: 20 June 1953 to 4 September 19531954: 12 June 1954 to 14 October 19541955: 27 May 1955 to 10 September 19551956: 1 July 1956 to 8 July 19561957: 13 June 1957 to 3 August 19571958: 5 July 1958 to 31 August 19581959: 11 June 1959 to 29 September 1959194319461949195219551958JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Elma meeting 30 C (86 F).
First to last qualifying date each year at Elma
YearFirst dateLast date
19431943-06-241943-09-06
19441944-06-051944-08-15
19451945-06-141945-09-10
19461946-06-301946-09-28
19471947-06-101947-09-11
19481948-06-291948-09-07
19491949-06-121949-08-27
19501950-05-051950-08-27
19511951-08-141951-10-04
19521952-06-151952-09-14
19531953-06-201953-09-04
19541954-06-121954-10-14
19551955-05-271955-09-10
19561956-07-011956-07-08
19571957-06-131957-08-03
19581958-07-051958-08-31
19591959-06-111959-09-29

Every Fixed Threshold

Fixed thresholds at Elma
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1736195523
35 C (95 F): Days2119481
90 F (32.2 C): Days141519552
0 C (32 F): Ice days (max1766194546
0 C (32 F): Frost days (min171651943159
-10 C (14 F): Days with min1754194553
-20 C (-4 F): Days with min131419484
20 C (68 F): Tropical nights (min161019436
10 mm (0.39 in): Days with 10 mm or more rain1947195621
25 mm (0.98 in): Days with 25 mm or more rain191019556
50 mm (1.97 in): Days with 50 mm or more rain6119451
10 cm (3.9 in): Days with 10 cm or more snowfall181019457
25 cm (9.8 in): Days with 25 cm or more snowfall9319451

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.

Download the Data

  • Data for Elma 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).