OPTIMA LAKE, :

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(346740)

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 199410
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
1985	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	a	0.00
1986	11.00	d	-5.00		21.00		31.00	b	38.00		53.00	b	62.00	a	46.00		46.00	a	28.00		8.00	b	8.00	a	-5.00
1987	8.00	b	20.00	c	10.00	b	19.00	a	46.00		49.00	b	53.00		52.00		46.00	a	34.00	a	18.00	a	-4.00		-4.00
1988	-9.00	b	0.00	d	14.00		26.00	a	40.00	h	46.00	b	50.00	b	47.00		41.00	a	27.00	a	15.00	d	12.00	f	-9.00
1989	5.00	d	-8.00	a	5.00	d	25.00	a	37.00	a	46.00		57.00		56.00		34.00		22.00		12.00		-13.00		-13.00
1990	9.00		8.00		19.00		30.00		34.00		48.00		46.00		56.00		45.00		-----	z	14.00		-6.00		-6.00
1991	1.00		16.00		19.00		33.00		30.00		54.00		58.00		53.00		37.00		16.00		-1.00		16.00		-1.00
1992	10.00		19.00		15.00		27.00		37.00		49.00		55.00		48.00		43.00		31.00		8.00		1.00		1.00
1993	-2.00		3.00		6.00		27.00		37.00		47.00		60.00		50.00		35.00		12.00		4.00		12.00		-2.00
1994	0.00		0.00	k	16.00		18.00	l	46.00	a	55.00		53.00		51.00		36.00		32.00		-----	z	-----	z	0.00


Period of Record Statistics
MEAN	3.67		6.62		13.89		27.25		38.12		49.67		54.89		51.00		40.33		25.25		9.75		1.75		-0.67
S.D.	6.67		10.88		5.75		4.30		5.49		3.46		5.01		3.64		4.90		7.91		6.25		9.72		1.53
SKEW	-0.62		0.01		-0.43		-0.60		0.34		0.47		-0.32		0.12		-0.04		-0.61		-0.41		0.06		0.38
MAX	11.00		20.00		21.00		33.00		46.00		55.00		62.00		56.00		46.00		34.00		18.00		16.00		1.00
MIN	-9.00		-8.00		5.00		19.00		30.00		46.00		46.00		46.00		34.00		12.00		-1.00		-13.00		-2.00
NO YRS	9		8		9		8		8		9		9		9		9		8		8		8		3