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

San Rafael Rch Sp Threshold Days by Year (USC00027555)

12 fixed thresholds counted per year at San Rafael Rch Sp (USC00027555): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Rafael Rch Sp Thresholds

  • San Rafael Rch Sp: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1926 with 24.
  • San Rafael Rch Sp: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1925 with 5.
  • San Rafael Rch Sp: days with 50 mm (1.97 in) or more of precipitation in 11 years, most in 1926 with 2.
  • San Rafael Rch Sp: days with 10 cm (3.9 in) or more of snowfall in 8 years, most in 1939 with 2.
  • 12 fixed thresholds have at least one qualifying day at San Rafael Rch Sp.
6 years with a qualifying day
Days at or above 30 C (86 F) per year at San Rafael Rch Sp Days per year at San Rafael Rch Sp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 127 in 1952. 0501001501952: 1271953: 1001954: 641955: 541956: 1191957: 107195219531954195519561957
Days per year at San Rafael Rch Sp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 127 in 1952.
Days at or above 30 C (86 F) per year at San Rafael Rch Sp
YearDaysDecade average
195212795.2
195310095.2
19546495.2
19555495.2
195611995.2
195710795.2
First to last qualifying date each year at San Rafael Rch Sp For each year, a bar from the first to the last day at San Rafael Rch Sp meeting 30 C (86 F). 1952: 3 May 1952 to 24 October 19521953: 20 May 1953 to 17 October 19531954: 7 April 1954 to 17 September 19541955: 27 May 1955 to 14 October 19551956: 3 May 1956 to 14 October 19561957: 13 February 1957 to 1 October 1957195219531954195519561957JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Rafael Rch Sp meeting 30 C (86 F).
First to last qualifying date each year at San Rafael Rch Sp
YearFirst dateLast date
19521952-05-031952-10-24
19531953-05-201953-10-17
19541954-04-071954-09-17
19551955-05-271955-10-14
19561956-05-031956-10-14
19571957-02-131957-10-01

Every Fixed Threshold

Fixed thresholds at San Rafael Rch Sp
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days61271952107
35 C (95 F): Days636195628
90 F (32.2 C): Days679195372
100 F (37.8 C): Days410195310
0 C (32 F): Frost days (min61671955103
-10 C (14 F): Days with min62919531
20 C (68 F): Tropical nights (min1219572
25 C (77 F): Days with min1119571
10 mm (0.39 in): Days with 10 mm or more rain4424192614
25 mm (0.98 in): Days with 25 mm or more rain42519253
50 mm (1.97 in): Days with 50 mm or more rain11219261
10 cm (3.9 in): Days with 10 cm or more snowfall8219392

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

  • Data for San Rafael Rch Sp 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).