BOTHELL, WA

Average of Maximum Temperature (Degrees Fahrenheit)

(450826)

File last updated on April 24, 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
1931	51.00		52.29		54.48		61.43	b	70.26		67.60		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	59.51	f
1932	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	72.57	a	71.63		61.03		52.70		41.58		59.90	g
1933	41.73	a	41.86		51.47	a	57.70		59.74		68.43		73.00		75.90		64.33		58.73	a	49.96	b	47.70	d	57.55
1934	49.93	a	55.23	b	59.61		65.40		66.26		71.30		72.52		76.16		66.80		62.41	b	53.79	a	46.43	a	62.15
1935	45.48		51.54		47.70	a	58.80		65.16		69.77		73.35		73.71		71.83		57.74		47.97		47.97		59.25
1936	47.23		40.04	a	50.07	a	60.90		66.84		71.00	a	74.00		75.86	b	69.00		62.97		57.53		53.77	a	60.77
1937	33.68		44.44	c	55.80	a	54.92	f	63.77	i	71.52	a	75.41	n	72.73	a	67.87		63.19		52.17	a	47.79	b	56.58	c
1938	45.17	a	50.41	a	52.06		61.03		65.94		71.97	a	78.57	a	72.77		72.03		61.97		48.48	a	46.45	b	60.57
1939	46.23		44.64		52.32		61.67		65.87		65.93	a	74.71		77.55		68.27		59.23	a	55.93	b	50.29		60.22
1940	48.90		50.14		56.39		60.37		68.55		73.70		75.39		75.74		71.90		62.68		48.55	a	49.14	b	61.79
1941	50.48		55.79		62.50	a	63.27		64.19		68.74	c	80.07	b	75.18	c	64.52	e	59.87		53.97		46.06		62.05
1942	46.68		47.68		53.77		59.57		63.16		67.63		75.35		77.61		70.47		63.58		49.21	b	45.52	b	60.02
1943	38.17	b	52.25		51.90		61.50		62.13		68.43		73.77		72.94		73.17		60.84		53.97		45.58		59.55
1944	48.32		47.21		52.55		59.33		65.74		69.14	a	75.84		72.97		74.13		62.35		51.57		47.58		60.56
1945	49.40	a	48.15	a	49.74		51.83		65.13		66.63		77.58		75.58		67.27		61.16		45.75	b	42.87	a	58.42
1946	42.82	c	46.04	a	51.74		56.83		69.35		68.83		76.52		75.48		70.63		57.19		48.79	a	43.83	a	59.01
1947	41.72	b	52.46		58.52		62.17		70.58		70.50		75.52		75.87		71.03		58.65		48.57		47.43	c	61.08
1948	47.00	t	-----	z	-----	z	-----	z	-----	z	72.73		74.00		70.83	a	69.62	a	62.33	a	48.28	a	41.42		62.75	e
1949	36.93	a	43.04	a	55.17	a	61.50		70.39		70.47		74.48		76.13		73.90		58.19		57.52	a	45.70	a	60.28
1950	31.54	c	45.93	a	49.00	a	57.17	a	63.27	a	71.14	a	75.90		77.71		74.41	a	58.06		50.54	b	49.65		58.69
1951	43.27	a	48.96	b	48.10	a	64.79	a	66.65		74.93		79.65		77.00		73.83		60.67	a	51.57		43.00	b	61.03
1952	41.10		49.34		51.16		62.00		65.81		67.03		77.58		75.68		74.20		67.26		50.47		47.84		60.79
1953	48.74		49.04		51.77		57.97		64.90		66.17		76.16		77.00		72.20		62.74		55.43		48.55		60.89
1954	41.03	a	50.96		53.00	a	55.40		65.87		66.17		71.06		70.35		68.90		60.77		55.50		46.50	a	58.79
1955	43.65		45.11		46.42		55.03		60.61		67.43		69.84		73.19		67.43		59.39		44.37		44.26		56.39
1956	43.68		39.93		48.97	a	61.37		68.84		65.90		77.55		74.45		74.91	s	55.43	h	49.75	b	47.58		57.80	b
1957	40.52		49.57		55.39		62.50		69.58		71.50	h	74.70	a	74.90	k	77.70		61.45		51.60		50.35		59.34	b
1958	49.77		57.54		55.13		62.84	e	74.17	b	76.73		84.12	e	81.61	h	71.13		64.24	b	49.11	c	51.19	j	64.48	b
1959	45.77	a	47.79		53.32		60.20		64.90	b	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	54.39	g
Period of Record Statistics
MEAN	44.18		48.42		52.89		60.10		66.30		69.61		75.65		74.84		70.70		61.10		51.22		46.72		59.99
S.D.	5.08		4.50		3.72		3.10		3.28		2.88		3.01		2.07		3.22		2.34		3.40		2.84		1.47
SKEW	-0.76		-0.05		0.59		-0.73		0.20		0.66		0.67		-0.52		-0.14		0.37		0.18		0.10		-0.66
MAX	51.00		57.54		62.50		65.40		74.17		76.73		84.12		77.71		77.70		67.26		57.53		53.77		62.15
MIN	31.54		39.93		46.42		51.83		59.74		65.90		69.84		70.35		64.33		57.19		44.37		41.42		56.39
YRS	27		27		27		26		26		26		25		25		26		26		27		26		21