SAN FRANCISCO ACAD OF SCIENCE, CA

Average of Average Temperature (Degrees Fahrenheit)

(047765)

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)	JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC		ANN
1951	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	55.64	q	56.16		58.93		59.07	a	55.50	c	48.97		55.73	g
1952	46.90	b	51.02	b	50.21	b	54.52		56.18	a	55.69	c	57.52	a	56.38	b	60.30	b	57.16	c	53.72		50.32		54.16
1953	52.85		52.00		51.66		51.63		55.40		56.58		55.45	b	58.35		61.67		59.69	b	55.38		52.84		55.29
1954	50.25	c	52.71		50.63		55.08		54.63	d	56.32		57.58		56.19		59.98	a	59.02		55.50		48.94		54.74
1955	47.09	b	50.95		52.94		50.62	a	54.97		55.27		55.35		54.42		56.65		58.07	a	54.74	a	51.90	a	53.58
1956	50.66		49.48		51.71		52.66	b	56.55		57.16	a	56.15	e	57.18	i	61.02		57.29	b	57.67		51.31		54.70	a
1957	47.58		53.07		53.28	b	56.32		56.74		59.81	a	58.68	i	-----	z	-----	z	-----	z	-----	z	-----	z	54.47	f
Period of Record Statistics
MEAN	49.22		51.54		51.74		53.47		55.75		56.80		56.41		56.30		59.76		58.38		55.42		50.71		54.44
S.D.	2.41		1.33		1.21		2.19		0.87		1.62		1.08		1.40		1.78		1.04		1.30		1.59		0.74
SKEW	0.40		-0.35		0.05		-0.03		-0.10		1.15		0.19		0.20		-0.83		-0.07		0.61		0.03		-0.02
MAX	52.85		53.07		53.28		56.32		56.74		59.81		57.58		58.35		61.67		59.69		57.67		52.84		55.29
MIN	46.90		49.48		50.21		50.62		54.63		55.27		55.35		54.42		56.65		57.16		53.72		48.94		53.58
YRS	6		6		6		6		6		6		5		5		6		6		6		6		4