BUMPING LAKE, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(450969)

File last updated on April 23, 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
1910	-----	z	-----	z	-----	z	28.07	a	33.92	f	37.19	c	41.65		37.00		34.70		33.52	h	24.34	a	18.54	c	31.64	e
1911	17.04	c	-----	z	-----	z	-----	z	-----	z	-----	z	41.84		40.90		37.97		29.26		20.10	i	21.50	a	31.42	f
1912	18.39		17.67	b	16.64	c	28.27		34.57	a	40.83	a	44.65		43.53	a	35.97		27.76	b	27.93	a	18.93	c	29.59
1913	13.03	a	10.85	a	18.67	a	26.00	b	33.43	a	40.43		43.03	a	44.70	a	35.75	b	30.33	a	27.31	a	19.74		28.61
1914	22.50	a	20.04		25.00		29.93		35.10		39.57		44.81		42.84		37.43		34.94		28.76	a	12.73	a	31.14
1915	13.84		20.82		26.65		30.63		36.87		39.33		46.00		46.07	a	36.97		35.10	a	23.27		17.71		31.10
1916	3.81		19.34		24.03		27.37		29.84		36.87		42.00		42.90		37.83		29.32		20.87		14.16		27.36
1917	15.26		18.21		16.77		27.03		31.45		36.50		42.55		42.74		39.07	a	30.77		29.93		27.68		29.83
1918	26.16		16.61		22.35		27.83		33.55		41.79	a	46.16		42.29		39.97		35.39		27.24	a	20.58		31.66
1919	19.19		18.07		21.87	a	28.43		33.65		35.20		41.68		43.87		36.90		28.65		27.18	b	13.58		29.02
1920	19.50	c	17.72		24.93	a	25.17	a	30.32		38.23		44.90	a	43.00		38.37		33.81		26.97		23.77	a	30.56
1921	14.62	e	20.22	a	24.60	a	27.70		32.52		41.97		39.87		42.55		35.77		32.81		27.20		18.11	c	29.83
1922	7.90		10.04		17.00		25.10		31.52		39.97		43.23		44.32		38.33		31.97		22.60		15.29		27.27
1923	19.19		10.81	a	19.10		28.07		33.55		38.97		44.45		43.42		38.03		31.74		26.21	a	21.45	b	29.58
1924	12.86	b	23.00	d	21.76	f	27.39	b	34.33	a	39.25	b	42.13	a	42.26		34.46	d	30.11	d	20.28	e	6.70	h	30.61	b
1925	19.50	e	21.52	c	21.54	c	28.52	c	33.46	e	39.87		44.59	b	40.61	c	36.77		26.42	e	22.73	h	22.93	c	30.52	a
1926	17.35	h	21.09	e	23.26		28.79	b	33.12	f	40.21	a	42.59	b	40.83	b	30.82	h	29.13		24.96	e	-----	z	31.36	d
1927	11.85	e	-----	z	13.42	g	22.00		28.97	a	38.20		41.58		40.84		35.17		30.33	a	28.07	b	-----	z	30.78	c
1928	15.83	a	11.17		21.35		24.37		32.16		39.47		43.55		39.74		33.53		28.90		23.24	a	13.74		27.26
1929	1.00	a	5.00	a	21.03		22.63		29.90	a	38.14	a	42.35		42.30	a	34.13		28.71		21.23		23.32		25.81
1930	-0.74		20.79		22.35		30.07		33.52		38.00	a	42.10		42.97		37.07		28.10		20.86	a	14.23		27.44
1931	18.13	a	16.43		22.58		27.40		34.10		40.50		41.81		40.16		37.40		27.87	a	18.43		13.42		28.19
1932	11.94		14.03		22.81		27.50		32.19		37.80		40.84		41.81		32.57		30.16		26.67		12.16		27.54
1933	14.87		7.64		17.42		21.43		30.32		35.80		39.65		41.06		34.47		31.23		26.80		26.61		27.28
1934	23.52		22.50		26.45		32.97		34.48		37.77		42.32		40.42		34.50		31.84		29.80		22.16		31.56
1935	15.55		13.32		14.55		20.17		29.90		37.33		41.97		38.32		37.17		26.77		18.52	a	17.87		25.95
1936	13.74		2.03		15.52		25.43		33.61		39.77		41.71		41.55		32.73		26.48	j	16.60		22.37	a	25.91	a
1937	-4.71		13.61		22.32		25.33		30.71		37.62	a	42.60	a	40.55		35.17		30.29		27.70		22.10	a	26.94
1938	17.18	c	15.14		18.84		23.83		39.92	e	38.37		44.10		38.74		38.30		29.68		20.03		20.35		28.71
1939	22.81		13.71		19.94		29.10		34.87		39.03		43.97		41.47	a	36.07		32.16		25.83	a	25.48		30.37
1940	17.23		21.59		25.35		30.40		35.19		40.60		44.84		41.90		40.03		34.23	a	19.26	g	20.76	b	32.01	a
1941	18.87		16.68		22.84		29.33		34.48		39.43		45.81		43.74		36.72	a	31.26		27.07		22.39		30.72
1942	9.13		15.68		18.87		28.13		33.77		37.53		44.19		43.71		36.00		28.84		21.33		20.10		28.11
1943	3.19		16.68		15.77		26.73		30.00		35.47		41.77		38.84		34.83		30.61		25.17		17.39		26.37
1944	9.10		12.90		15.58		26.20		31.68		38.43		42.19		40.65		37.00	a	30.48		23.38	a	11.70	a	26.61
1945	18.10		18.75		18.58		23.83		33.26		36.20		41.35		41.90		34.00		28.81		22.43		15.13		27.70
1946	14.13		16.00		20.48		24.50		30.10		36.37		42.06		41.03		35.57		27.10	a	18.67		20.55	b	27.21
1947	12.04	c	19.89	a	23.03	b	27.67		34.84		38.67		44.37	a	41.10	b	36.63		33.03		26.48	c	24.13		30.16
1948	12.53	a	12.19	c	16.22	d	23.03		30.39		37.73		38.16		42.66	b	36.40		27.97		23.73		13.95	k	27.37	a
1949	-7.48		13.18		20.90		25.73		29.13		32.53		36.94		37.90		30.50		21.00		22.40		10.77		22.79
1950	-6.48		10.18		13.61		18.37		22.81		31.07		34.52		34.77		26.67		-----	z	-----	z	23.94		20.94	b
1951	15.87		13.36		17.17	a	22.70		29.65		36.34	a	41.65		37.42		31.83		26.32		16.40		8.93	a	24.80
1952	4.39		6.21		15.81		24.73		31.94		36.13		42.42		43.16		36.73		31.77		20.33		21.16		26.23
1953	27.06		20.00		23.35		27.80		33.16		37.33		43.03		45.23	a	38.37		32.33	a	28.40		24.65		31.73
1954	15.71		20.54		14.97		26.70		31.32		37.10	a	40.77		42.16		38.83		29.42		30.21	a	18.06		28.82
1955	18.14	b	14.11	a	14.33	a	22.80		30.06		38.17		42.35		39.55		36.13		30.60	a	19.58	d	11.38	b	26.43
1956	16.16		12.43	a	19.48		24.21	a	30.03		36.52	a	42.03		40.35		36.93		31.55		21.14	a	23.32		27.85
1957	3.35		15.68		24.87		29.43		37.00		41.57		41.97		40.26		38.07		30.16		22.63		24.61		29.13
1958	21.97		27.50		20.42		27.60		35.90		43.69	a	45.97		44.45		34.13		30.77		22.76	a	25.81		31.75
1959	19.84		19.71		23.61		27.73		31.71		40.13		43.00		40.61		37.50		31.32		21.87		19.19		29.69
1960	14.55		15.72		17.47	a	28.33		33.06		39.17		42.87		41.58		34.20		29.47	a	23.73		11.74	l	29.11	a
1961	17.16		24.70	a	23.16		27.47		32.03		39.70		44.26		43.84		33.37		29.90		14.67		9.52		28.31
1962	8.97		20.46		18.29		28.33		31.77		36.20		40.90	a	42.87		34.38	a	31.42		28.33		23.06		28.75
1963	13.16		25.82		24.35		28.40		32.03		39.20		40.06		42.65		39.53		33.77		28.27		19.84		30.59
1964	19.94		14.86	a	18.61		25.17		30.06		37.63		42.53	a	40.29		34.03		29.90		22.97		14.16		27.51
1965	19.57	a	21.14		16.77		28.13		30.35		37.43		44.06		45.77		33.33		31.58		31.27		18.13		29.80
1966	16.19		14.93		17.52		25.60		30.90		37.60		40.65		41.81		39.40		29.29		27.60		-----	z	29.23	a
1967	-----	z	-----	z	-----	z	-----	z	-----	z	41.14	b	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	41.14	k
Period of Record Statistics
MEAN	13.75		16.34		20.17		26.53		32.32		38.30		42.45		41.65		35.96		30.30		24.14		19.00		28.53
S.D.	7.65		5.16		3.52		2.77		2.62		2.18		2.12		2.19		2.47		2.49		3.92		4.80		2.00
SKEW	-1.03		-0.40		-0.02		-0.61		-0.29		-0.54		-1.02		-0.57		-1.01		-0.64		-0.33		-0.34		-0.36
MAX	27.06		27.50		26.65		32.97		39.92		43.69		46.16		46.07		40.03		35.39		31.27		27.68		31.75
MIN	-7.48		2.03		13.61		18.37		22.81		31.07		34.52		34.77		26.67		21.00		14.67		8.93		22.79
YRS	55		54		53		56		54		57		57		57		56		54		53		51		45