SAN LUIS DAM, CA

Average of Maximum Temperature (Degrees Fahrenheit)

(047846)

File last updated on July 8, 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
1963	54.82	t	66.58	d	64.03	64.87	76.13		84.47		91.94		92.35		88.93		76.87		60.93	a	45.61		73.88	a
1964	54.23		61.90		65.23	71.60	75.94		84.63		93.97		92.52		83.77		81.52		59.17		57.45		73.49
1965	52.58		59.43		64.81	68.50	79.74		79.63		91.90		92.29		82.37		81.32		63.93		48.71		72.10
1966	54.68		57.25		66.65	77.80	81.42		87.47		90.32		95.13	h	86.33		78.74		65.73		52.16		72.60	a
1967	54.29		55.50		62.32	58.97	78.23		81.17		96.29		96.94		89.30		79.74		67.27		53.87		72.82
1968	52.29		61.66		67.90	73.87	77.00		87.93		92.84		86.52		86.37		75.52		60.90		52.71		72.96
1969	50.65		54.74	a	63.90	69.20	80.10		78.63		93.00		94.35		88.87		73.00		65.93		58.58		72.58
1970	58.06		62.19	a	67.00	68.33	80.13		84.67		94.13		91.45		86.47		74.77		65.90		53.35		73.87
1971	52.48		56.39		64.23	67.70	71.81		83.63		92.00		92.52		85.53		74.48		63.07		53.13		71.41
1972	47.90		59.97		72.26	71.33	79.68		86.40		91.48		90.19		83.13		72.97		57.67		49.00		71.83
1973	53.10		59.21		59.61	72.10	82.32		88.70		90.19		90.19		83.20		74.39		62.63		53.52		72.43
1974	54.26		59.71		63.87	69.27	77.74		86.73		91.00		90.42		89.10		77.97		64.00		52.32		73.03
1975	52.06		58.57		61.13	64.10	79.39		84.53		88.39		87.97		88.93		74.61		63.07		56.10		71.57
1976	58.29		61.48		65.32	68.63	80.84		86.63		91.16		83.58		84.60		77.58		64.00		58.29		73.37
1977	49.00		62.86		63.81	76.67	70.13		85.60		91.90		91.23		84.07		79.19		66.97		59.47	a	73.41
1978	56.90		58.46		66.48	65.40	80.71		84.97		92.03		90.77		83.63		82.48		61.53		50.84		72.85
1979	52.87		57.75		63.06	70.27	80.68		90.46	b	91.93	a	88.10		90.20		77.65		63.80		58.58		73.78
1980	55.73	a	60.72		63.16	70.83	74.68		80.23		90.81		87.03		84.13		80.74		68.23		56.39		72.72
1981	56.26		61.32		62.35	72.90	79.20	a	92.63		93.97		90.19		87.73		73.87		65.67		57.13		74.44
1982	51.06		60.93		61.39	67.93	77.81		79.00		89.65		88.83	a	83.79	a	76.26		58.66	a	55.27	a	70.88
1983	48.35		59.75		63.16	66.10	79.90		83.10		86.65		90.29		87.33		78.19		64.17		59.23		72.19
1984	53.61		61.76		70.58	70.83	84.84		84.97	a	95.48		92.19		91.47		73.55		61.80		51.74		74.40
1985	47.61		62.82		63.13	76.03	77.39		91.69	a	94.16		89.03		81.47		76.00		60.77		46.87		72.25
1986	58.19		62.82		67.42	70.60	80.45		86.20		88.81		93.42		80.00		77.71		69.20		53.93	a	74.06
1987	54.58		62.11		65.19	78.67	80.26		86.67		84.13		89.55		86.33		81.10		63.20		55.71		73.96
1988	55.52		65.31		70.23	72.37	76.61		83.90		95.87		89.65		88.47		80.77		65.33		53.97		74.83
1989	52.94		56.93		67.52	77.33	78.10		84.57		93.16		88.55		84.57		76.03		67.13		53.26		73.34
1990	56.94		58.11		67.39	77.53	77.61		86.33		94.16		90.81		87.87		82.10		65.93		52.65		74.78
1991	57.16		65.71		60.74	68.90	75.68		82.60		92.10		87.77		91.57		84.48		67.87		55.16		74.15
1992	50.26		62.90		66.03	77.77	83.68		84.57		90.68		95.68		89.47		80.26		67.00		54.65		75.24
1993	54.00		58.64		67.23	71.13	78.90		86.90		88.13		90.10		87.67		79.45		65.30		53.13		73.38
1994	55.87		57.39		68.32	72.73	76.45		87.93		90.27	a	92.55		86.90		76.68		59.33		51.65		73.01
1995	57.48		59.07		62.90	69.53	73.10		83.37		91.52		93.00		88.47		81.67	a	71.73		59.52		74.28
1996	55.71		61.55		66.71	74.23	80.26		86.67		96.48		94.39		86.87		77.19		64.30		57.45		75.15
1997	55.97		62.18		71.23	75.50	87.10		85.83		91.55		91.65		89.33		76.87		66.80		54.29		75.69
1998	56.61		57.96		64.81	67.90	69.35		77.73		91.03		94.61		87.17		75.03		63.93		54.52		71.72
1999	53.03		58.61		62.48	69.10	75.87		84.37		89.13		88.58		89.13		83.07	a	68.17		59.87		73.45
2000	59.23		61.90		66.16	74.90	81.35		91.17		88.74		92.87		85.93		76.55		59.53		58.19		74.71
2001	56.81		58.71		68.32	69.77	89.97		91.27		90.23		91.45		88.53		81.94		67.03		55.94		75.83
2002	53.84		63.36		65.87	72.13	78.71		88.07		93.06		90.23		90.90		76.74		65.27		58.13		74.69
2003	56.29		59.89		68.68	67.07	79.23	a	85.47		98.26		91.26		90.17		83.87		62.63		58.13		75.08
2004	53.84		60.43	a	73.48	76.70	81.35		86.93		91.13		90.87		88.90		74.16		60.90		55.29		74.50
2005	52.65		61.14		67.42	71.87	79.94		83.27		96.74		94.63	a	86.20		78.87		70.00		59.33	a	75.17
2006	58.71		63.54	b	59.71	66.93	82.13		90.90		98.77		90.50	a	87.21	a	76.68		65.77		58.52		74.95
2007	57.14	c	62.25		72.90	74.97	82.68		90.07		92.29	c	94.04	c	-----	z	-----	z	-----	z	-----	z	78.29	d
Period of Record Statistics
MEAN	54.30		60.48		65.69	71.13	78.99		85.61		92.03		91.02		86.87		78.01		64.37		54.85		73.58
S.D.	2.95		2.61		3.37	4.24	3.85		3.50		2.91		2.59		2.73		3.11		3.19		3.46		1.25
SKEW	-0.51		0.06		0.39	-0.25	-0.03		-0.17		0.06		-0.23		-0.44		0.25		-0.08		-0.62		-0.18
MAX	59.23		66.58		73.48	78.67	89.97		92.63		98.77		96.94		91.57		84.48		71.73		59.87		75.83
MIN	47.61		54.74		59.61	58.97	69.35		77.73		84.13		83.58		80.00		72.97		57.67		45.61		70.88
YRS	44		45		45	45	45		45		45		44		44		44		44		44		42