FOLSOM DAM, CA

Average of Minimum Temperature (Degrees Fahrenheit)

(043113)

File last updated on April 17, 2024
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
1955	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	39.77		45.16		42.46	j
1956	41.77		37.38		42.32		47.50		52.39		57.77		59.45		57.65		58.17		51.65		44.87		36.45		48.95
1957	36.48		45.11		46.58		48.27		51.23		60.13		60.23		59.35		58.93		53.68		43.36	b	39.58		50.24
1958	37.93	a	47.86		43.13		47.80		53.81		56.77		59.77		63.35		58.97		54.47	a	45.57		42.84		51.02
1959	42.57	a	41.41	a	46.87		48.83	a	49.00		56.69	a	61.97		58.74		55.57		53.97		42.79	a	37.65		49.67
1960	38.07	b	41.32	a	46.70	a	47.23		50.90		59.62	a	62.68		58.13		56.70		50.23		44.03		38.52		49.51
1961	35.81		43.25		43.29		47.63		48.61		59.80		62.67	a	62.52		56.43		53.00	b	42.13		37.42		49.38
1962	33.23		39.85	a	41.61		49.10		49.42		55.97		58.17	a	58.71		55.53		50.81		45.07		37.81		47.94
1963	31.74		47.00		43.16		44.40		51.29		55.47		58.61		59.77		60.07	a	53.13		43.13		35.10		48.57
1964	35.74		38.10		39.97		43.73		47.61		55.03		59.68		59.10		54.43		53.77		41.60		43.57	a	47.70
1965	38.52		39.64		43.81		47.90		50.23		52.97		58.23		61.55		53.60		54.90		47.17		34.84		48.61
1966	37.48		38.07		43.48		49.67		51.71		57.57		57.19		61.10		56.53		51.58		46.37		40.00		49.23
1967	37.39		38.75		42.90		41.87		51.52		54.57		63.13		62.77		59.90		53.26		49.23		35.45		49.23
1968	35.97		46.07		44.77		45.73		49.81		58.40		60.19		58.45		56.73		51.74		44.57		36.48		49.08
1969	37.42		39.43		42.16		45.53		51.42		55.07	a	60.32		61.26		59.03		50.10		46.20		40.84		49.07
1970	42.65		42.21		44.48		41.93		52.16		55.70		60.45		56.42		56.27		48.87		46.37		38.23		48.81
1971	35.97	a	36.46		40.00		42.33		46.81		52.77		59.16		62.23		57.90		48.65		42.43		35.42		46.68
1972	33.84		42.10		46.26		45.70		51.45		55.90		59.84		59.90		55.67		51.35		42.43		32.45		48.08
1973	37.00		44.19	a	40.55		47.52	a	53.48		59.23		59.13		56.87		54.90		50.45		43.63		40.13		48.92
1974	38.63	a	39.43		44.84		44.97		49.29		57.30		60.42		59.39	c	56.63		55.06		43.29	b	37.90		48.93
1975	33.35		40.12	b	41.61		40.97		50.35		53.87		57.68		58.39		57.63		48.60	a	40.00	a	37.68		46.69
1976	37.35		40.86		41.65		42.60		51.19		54.31	a	58.29		58.32		58.67		54.81		48.90		39.00		48.83
1977	36.65		41.96		39.26		49.13		46.90	j	59.57		60.35		61.13		57.90		53.23		44.47		43.71		49.76	a
1978	44.97		44.75		50.03		47.30		52.77		55.47		60.74		61.81		57.67		55.37	a	43.80		35.52		50.85
1979	38.52		40.43		45.77		46.67		52.74		57.07		60.87		59.19		60.27		53.61		45.53		41.26		50.16
1980	42.84		46.31		42.71		47.87		49.61		52.73		60.68		56.87	a	56.83		54.84		46.73		40.16		49.85
1981	41.84		43.43		44.48		46.93		52.29		61.50		59.68		59.06		58.10		50.29		49.63		44.16		50.95
1982	36.55		41.64		44.52		45.66	a	50.35		53.52	a	58.87		59.65		58.47		53.42		43.03		39.19		48.74
1983	38.20	a	45.61		46.58		46.27		50.90		56.37		58.65		62.16		-----	z	55.90	a	46.00		44.34	b	50.09	a
1984	40.03		40.97		45.67	a	45.31	a	54.13		56.62	a	65.13	a	61.40	a	61.03		49.68		44.87		38.77		50.30
1985	35.90	a	40.19	b	40.90	a	49.30		50.03		60.30		63.19		55.63	a	56.50		51.35		42.11	b	34.47	a	48.32
1986	43.03	b	45.82		49.10		48.41	a	-----	z	57.72	a	60.29		-----	z	53.70		53.63	a	46.77		40.10		49.86	b
1987	38.10	b	42.00	c	43.71	c	50.93	c	55.94		56.37		56.27	a	-----	z	57.87		58.19		47.52	a	-----	z	50.69	b
1988	40.19		43.16	d	46.22	d	49.56	c	50.62	e	56.92	d	65.19		60.58		57.43		53.11	d	46.90		39.26		50.76
1989	34.61		37.39		47.58		51.83		53.54	g	58.00		60.48		58.81		55.97	a	52.29		45.93		37.54	c	49.13	a
1990	38.60	a	37.68		45.87	a	50.70		52.58		57.47		62.16		61.80	a	59.14	b	54.23		42.34	a	33.73	a	49.69
1991	37.40	a	43.96	d	41.45		45.07	a	48.77		56.11	b	61.16		58.39		59.77		57.00		47.73		38.55		49.61
1992	36.65		44.54	a	47.61		50.53		55.16		57.87		61.06		61.39		57.90		55.39		43.33		36.97	a	50.70
1993	37.65		41.50		48.65		46.83	a	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	43.65	h
Period of Record Statistics
MEAN	37.91		41.84		44.22		46.83		51.16		56.72		60.33		59.77		57.41		52.85		44.73		38.65		49.22
S.D.	2.96		2.98		2.70		2.69		2.02		2.21		1.98		1.95		1.82		2.33		2.40		3.12		1.11
SKEW	0.38		0.15		0.15		-0.38		0.21		0.07		0.54		-0.09		-0.17		-0.02		0.06		0.30		-0.37
MAX	44.97		47.86		50.03		51.83		55.94		61.50		65.19		63.35		61.03		58.19		49.63		45.16		51.02
MIN	31.74		36.46		39.26		40.97		46.81		52.73		56.27		55.63		53.60		48.60		39.77		32.45		46.68
YRS	38		38		38		38		34		37		37		35		36		37		38		37		32