SAN FRANCISCO INTERNATIONAL AP, CA

Minimum of Minimum Temperature (Degrees Fahrenheit)

(047769)

File last updated on January 22, 2025
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.

YEAR(S)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1945-----z-----z-----z-----z-----z-----z49.00 47.00 47.00 45.00a39.00 30.00 -----z
194632.00a32.00 40.00 40.00 44.00 45.00b48.00 47.00h46.00a42.00d36.00 34.00a32.00q
194730.00 39.00m37.00a43.00 44.00 48.00 50.00a49.00 46.00a46.00f33.00 35.00b30.00x
194833.00 33.00 35.00 39.00 45.00 49.00 51.00 49.00 46.00 40.00 37.00 30.00 30.00
194926.00 30.00 41.00 41.00 44.00 44.00 46.00 49.00 49.00 37.00 41.00 31.00 26.00
195028.00 30.00 36.00 39.00 39.00 44.00 47.00 46.00 41.00 41.00 45.00 40.00 28.00
195132.00 32.00 32.00 38.00 44.00 45.00 44.00 46.00 49.00 42.00 39.00 32.00 32.00
195230.00 37.00 37.00 41.00 40.00 44.00 49.00 45.00 46.00 45.00 32.00 39.00 30.00
195337.00 33.00 33.00 38.00 42.00 46.00 47.00 49.00 49.00 40.00 41.00 35.00 33.00
195431.00 36.00 33.00 41.00 42.00 43.00 45.00 45.00 45.00 39.00 31.00 32.00 31.00
195530.00 32.00 35.00 36.00 43.00 44.00 49.00 45.00 45.00 43.00 39.00 36.00 30.00
195634.00 32.00 35.00 39.00 44.00 46.00 49.00 48.00 49.00 41.00 38.00 33.00 32.00
195732.00 33.00 39.00 43.00 46.00 49.00 50.00 48.00 49.00 48.00 40.00 37.00 32.00
195837.00 41.00 38.00 42.00 46.00 51.00 51.00 53.00 52.00 48.00 36.00 42.00 36.00
195936.00 37.00 44.00 43.00 47.00 49.00 50.00 52.00 51.00 49.00 41.00 37.00 36.00
196029.00 37.00 39.00 39.00 44.00 50.00 50.00 51.00 48.00 44.00 39.00 33.00 29.00
196132.00 39.00 40.00 42.00 44.00 49.00 49.00 51.00 48.00 40.00 36.00 34.00 32.00
196230.00 36.00 37.00 42.00 45.00 45.00 49.00 51.00 48.00 47.00 37.00 31.00 30.00
196329.00 41.00 38.00 39.00 43.00 46.00 50.00 50.00 53.00 45.00 39.00 33.00 29.00
196433.00 36.00 36.00 40.00 43.00 49.00 51.00 52.00 48.00 46.00 35.00 36.00 33.00
196531.00 37.00 39.00 39.00 41.00 47.00 48.00 52.00 47.00 45.00 40.00 30.00 30.00
196630.00 35.00 31.00 42.00 44.00 45.00 50.00 50.00 50.00 42.00 36.00 32.00 30.00
196736.00 39.00 39.00 38.00 44.00 49.00 50.00 51.00 55.00 46.00 40.00 31.00 31.00
196832.00 38.00 40.00 39.00 40.00 46.00 49.00 52.00 48.00 44.00 39.00 29.00 29.00
196933.00 38.00 38.00 41.00 44.00 50.00 51.00 49.00 50.00 46.00 39.00 39.00 33.00
197034.00 39.00 42.00 41.00 47.00 51.00 51.00 51.00 47.00 43.00 43.00 33.00 33.00
197131.00 36.00 35.00 40.00 45.00 48.00 49.00 52.00 51.00 39.00 40.00 34.00 31.00
197232.00 35.00 39.00 39.00 45.00 47.00 52.00 53.00 45.00 41.00 38.00 24.00 24.00
197331.00 40.00 37.00 44.00 45.00 50.00 50.00 49.00 51.00 46.00 40.00 40.00 31.00
197432.00 36.00 37.00 41.00 42.00 49.00 51.00 53.00 49.00 47.00 39.00 32.00 32.00
197530.00 36.00 37.00 38.00 43.00 47.00 50.00 49.00 47.00 42.00 37.00 34.00 30.00
197631.00 34.00 35.00 37.00 44.00 47.00 51.00 53.00 50.00 44.00 37.00 34.00 31.00
197735.00 40.00 37.00 41.00 43.00 48.00 50.00 54.00 51.00 47.00 36.00 38.00 35.00
197838.00 40.00 43.00 43.00 47.00 49.00 50.00 51.00 49.00 45.00 35.00 29.00 29.00
197931.00 32.00 42.00 42.00 48.00 48.00 51.00 51.00 51.00 47.00 36.00 34.00 31.00
198031.00 38.00 38.00 40.00 43.00 48.00 50.00 50.00 50.00 44.00 38.00 34.00 31.00
198136.00 39.00 40.00 42.00 43.00 50.00 49.00 50.00 48.00 43.00 39.00 39.00 36.00
198234.00 37.00 38.00 40.00 42.00 47.00 51.00 49.00 49.00 46.00 38.00 33.00 33.00
198334.00 41.00 43.00 39.00 43.00 49.00 49.00 53.00 53.00 48.00 40.00 39.00 34.00
198438.00 40.00 42.00 40.00 44.00 48.00 50.00 52.00 50.00 45.00 39.00 34.00 34.00
198534.00 35.00 37.00 45.00 46.00 51.00 50.00 52.00 51.00 47.00 37.00 33.00 33.00
198639.00 40.00 45.00 42.00 45.00 50.00 49.00 50.00 51.00 48.00 40.00 40.00 39.00
198735.00 38.00 39.00 45.00 50.00 50.00 52.00 53.00 52.00 51.00 41.00 36.00 35.00
198836.00 36.00 41.00 43.00 44.00 48.00 50.00 52.00 49.00 46.00 43.00 33.00 33.00
198933.00 31.00 40.00 45.00 47.00 50.00 50.00 52.00 50.00 47.00 40.00 37.00 31.00
199037.00 34.00 39.00 46.00 47.00 46.00 52.00 55.00 54.00 48.00 39.00 27.00 27.00
199134.00 41.00 40.00 44.00 46.00 47.00 51.00 54.00 51.00 45.00 42.00 39.00 34.00
199236.00 40.00 46.00 46.00 50.00 52.00 53.00 52.00 52.00 52.00 41.00 35.00 35.00
199333.00 41.00 45.00 45.00 48.00 52.00 52.00 53.00 49.00 50.00 40.00 35.00 33.00
199438.00 37.00 39.00 44.00 49.00 50.00 51.00 53.00 52.00 44.00 35.00 35.00 35.00
199538.00 38.00 40.00 41.00 47.00 48.00 52.00 50.00 52.00 47.00 46.00 41.00 38.00
199639.00 36.00 41.00 45.00 46.00 49.00 51.00 51.00 51.00 45.00 42.00 40.00 36.00
199733.00 42.00 40.00 43.00 47.00 51.00 54.00 56.00 56.00 49.00 46.00 36.00 33.00
199840.00 40.00 40.00 43.00 48.00 52.00 48.00 52.00 53.00 45.00 42.00 31.00 31.00
199936.00 37.00 40.00 39.00 45.00 48.00 50.00 53.00 50.00 47.00 41.00 39.00 36.00
200038.00 42.00 41.00 46.00 47.00 50.00 51.00 53.00 51.00 47.00 39.00 40.00 38.00
200137.00 38.00 42.00 42.00 50.00 50.00 53.00 53.00 51.00 49.00 44.00 42.00 37.00
200235.00 38.00 38.00 45.00 47.00 51.00 52.00 52.00 51.00 43.00 45.00 40.00 35.00
200342.00 36.00 43.00 42.00 47.00 50.00 52.00 54.00 54.00 48.00 39.00 38.00 36.00
200435.00 39.00 45.00 44.00 49.00 51.00 54.00 55.00 53.00 48.00 37.00 36.00 35.00
200538.00 44.00 42.00 45.00 51.00 50.00 54.00 52.00 50.00 48.00 38.00 38.00 38.00
200639.00 37.00 37.00 43.00 48.00 52.00 52.00 52.00 49.00 45.00 40.00 35.00 35.00
200732.00 39.00 39.00 45.00 47.00 50.00 53.00 53.00 49.00 46.00 40.00 35.00 32.00
200838.00 38.00 41.00 42.00 44.00 47.00 52.00 53.00 51.00 48.00 45.00 34.00 34.00
200933.00 39.00 38.00 41.00 46.00 52.00 50.00 53.00 51.00 47.00 42.00 33.00 33.00
201042.00 44.00 40.00 44.00 45.00 50.00 53.00 53.00 56.00 51.00 37.00 38.00 37.00
201136.00 35.00 40.00 41.00 46.00 50.00 52.00 52.00 52.00 47.00 43.00 36.00 35.00
201234.00 39.00 40.00 41.00 47.00 50.00 51.00 52.00 50.00 50.00 43.00 36.00 34.00
201334.00 38.00 43.00 45.00 48.00 50.00 52.00 53.00 53.00 47.00 44.00 34.00 34.00
201441.00 42.00 47.00 47.00 51.00 52.00 53.00 57.00 56.00 55.00 46.00 41.00 41.00
201538.00 44.00 46.00 46.00 50.00 51.00 56.00 57.00 53.00 53.00 37.00 34.00 34.00
201637.00 42.00 47.00 47.00 51.00 51.00 53.00 53.00 52.00 51.00 44.00 36.00 36.00
201738.00 40.00 42.00 45.00 49.00 51.00 53.00 53.00 54.00 48.00 43.00 38.00 38.00
201842.00 36.00 40.00 45.00 50.00 51.00i52.00k50.00 49.00 49.00 42.00 41.00 36.00t
201938.00 38.00 41.00 47.00 48.00 50.00 55.00 55.00 52.00 47.00 38.00 39.00 38.00
202038.00 38.00 41.00 43.00 47.00 52.00 52.00 55.00 55.00 47.00 41.00 40.00 38.00
202139.00 43.00 43.00 47.00 49.00 53.00 53.00 55.00 53.00 48.00 46.00 39.00 39.00
202235.00 37.00 41.00 45.00 47.00 51.00 53.00 55.00 55.00 47.00 41.00 38.00 35.00
202336.00 39.00 39.00 42.00 50.00 52.00 54.00 57.00 55.00 49.00 45.00 43.00 36.00
202439.00 40.00 44.00 44.00 48.00 50.00 54.00 51.00 51.00a46.00 41.00 43.00 39.00a
202540.00j-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN34.63 37.54 39.61 42.16 45.73 48.83 50.73 51.59 50.31 45.91 39.73 35.58 33.33
S.D.3.54 3.26 3.32 2.66 2.75 2.35 2.15 2.65 2.87 3.34 3.25 3.83 3.31
SKEW0.04 -0.29 -0.06 -0.04 -0.05 -0.58 -0.40 -0.47 -0.29 -0.21 -0.07 -0.26 -0.15
MAX42.00 44.00 47.00 47.00 51.00 53.00 56.00 57.00 56.00 55.00 46.00 43.00 41.00
MIN26.00 30.00 31.00 36.00 39.00 43.00 44.00 45.00 41.00 37.00 31.00 24.00 24.00
YRS79 78 79 79 79 78 79 79 80 79 80 80 76