HUMPTULIPS SALMON HATCHERY, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(453826)

File last updated on April 20, 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
1987	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	49.03	b	47.60	a	44.90	a	36.60	a	39.83		30.90	a	41.48	f
1988	31.94		35.28		33.24	b	37.78	c	41.45		43.43		46.32		46.00	a	43.60		43.57	a	36.83	a	33.27	a	39.39
1989	31.73	a	25.54	b	34.65		37.47		40.71		46.07	a	47.48		48.10	a	41.62	a	39.40	a	36.14	b	34.50	a	38.62
1990	36.21	b	29.54		35.29	c	39.60		41.83	a	46.89	b	48.87		49.30	a	46.93	c	37.97		37.48	a	26.23	a	39.68
1991	29.68		37.15	a	31.74		36.73		41.10		45.24	a	47.39		48.52	b	45.04	b	36.00		38.10		34.52		39.27
1992	36.35		35.54	a	35.52		37.47		40.53	a	47.13		49.42		47.38	b	41.90		42.13		35.83	a	30.67	a	39.99
1993	26.74		27.38	b	33.90		39.86	a	45.77	a	46.80		48.61		49.30	a	41.13		41.06		29.50		31.77	a	38.49
1994	36.35		30.81	b	34.65		39.00		40.03	b	44.40		47.35		48.23	a	46.76	a	35.76	b	30.60		32.27	a	38.85
1995	36.35		36.26	a	32.84		34.89	b	42.45		46.03		50.71		47.19		50.57	b	39.23	a	38.75	b	35.90		40.93
1996	34.45		32.66		34.94		40.97		39.16		44.37		48.20	a	48.33	a	44.23		38.97	a	35.86	a	32.37	a	39.54
1997	34.77	a	33.25		34.93	a	36.50		42.29		46.90	a	49.17	b	51.03		47.14	b	42.07	a	38.34	a	32.72	b	40.76
1998	-----	z	37.50		36.48		34.33		44.45		48.17		53.13	a	47.90		44.20		39.55	b	40.15	c	31.68		41.60	a
1999	35.70	d	34.25		32.45		30.14	b	38.42		46.03	a	47.58		51.00		41.68	b	38.03	a	39.97	a	36.87	a	39.34
2000	31.93	a	33.81	c	32.87	a	37.59	c	42.07	b	47.00	a	49.86	b	48.00		46.24	a	38.36	c	31.93		32.48		39.35
2001	34.29	c	29.32	c	33.69	e	34.88	d	38.29		43.93	b	48.48	b	50.79	c	46.62	a	39.57	c	35.32	b	33.43	c	39.05
2002	35.89	c	32.70	a	33.41	d	34.54	b	37.57	c	47.70		49.11	d	47.67	a	41.93	c	37.82	c	37.17		35.72	b	39.27
2003	37.55		30.41	a	38.00	b	38.64	b	38.72	b	47.03		49.20	a	48.17	a	46.26	c	43.32	c	30.95	i	34.50	c	41.07	a
2004	35.79	b	35.25	a	34.54	c	36.79	a	42.33	d	47.97		51.58		53.68		46.10		42.31	b	35.34	a	35.41	d	41.42
2005	35.93	a	31.15	b	38.86	i	44.59	c	48.66	b	49.45	a	51.35		50.80	a	44.28	a	46.00	d	38.24	a	35.47	a	43.27	a
2006	38.93	a	31.96		36.60	a	39.19	c	42.30	a	48.73		50.61		47.42		44.90		40.68		36.30		34.06		40.97
2007	29.97	b	37.07		36.83	a	39.00	d	44.96	f	-----	z	51.67	s	50.52		45.32	b	39.97		35.04	b	33.65		38.60	c
2008	31.23	a	33.90		34.97	a	35.03		43.97	b	46.04	c	48.71		51.57	c	44.92	e	39.20	a	44.11	l	40.86	q	40.95	b
2009	28.00	u	31.00		33.13	a	36.03	a	42.50	a	48.04	c	51.34	b	51.86	c	48.31	d	40.71	c	38.87		30.33	a	41.10	a
2010	40.57	a	37.00	a	35.46	e	38.52	a	40.83	a	45.56	c	49.11	c	51.13	p	-----	z	38.17	s	31.85	q	36.21	b	40.41	d
2011	34.78	m	-----	z	-----	z	-----	z	-----	z	-----	z	49.82	t	50.28	m	-----	z	-----	z	33.32	b	32.93	c	33.12	j
2012	33.89	d	36.29	a	35.07	a	39.61	b	41.14	b	46.32	b	51.32		51.10		43.40		41.70	a	39.40		36.32		41.30
2013	32.32		35.96	a	37.52		39.54	b	45.10	a	49.10		51.97		51.96	c	51.53		38.67	a	35.18	b	30.79	c	41.64
2014	35.20	f	33.07	a	39.13		39.23		45.67	d	49.87		52.20	a	53.77	a	49.86	a	49.97		-----	z	-----	z	45.86	c
2015	-----	z	-----	z	44.74	l	37.71	b	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	37.71	k
2016	-----	z	-----	z	-----	z	-----	z	43.50	q	47.32	b	51.42		50.74		46.55	a	45.58		43.83		30.13		45.08	e
2017	29.73	a	32.04	a	36.90		38.60		43.16		48.07		48.31	b	50.52		47.41	a	38.61		38.57		32.03		40.33
2018	38.03		32.41	a	31.80	a	38.97		45.00	b	46.82	b	49.81		51.42		46.13		41.03	a	38.45	a	34.53	a	41.20
2019	34.90		28.50		30.42		39.52	a	44.71		46.97	a	51.81		52.03	a	49.93		37.10	a	34.90		36.52		40.61
2020	37.38	b	33.68	a	31.59	b	37.52	a	43.97		48.17		49.10	b	49.55	b	50.83		43.16		36.07		35.87		41.41
2021	35.35		32.71		31.86	b	36.47		41.93	b	50.27		50.71		50.97	a	46.29	b	41.35		39.70		31.45	b	40.76
2022	33.14	c	32.89	a	36.97		34.64	b	41.48		48.63		51.13		52.55		48.03		41.92	e	31.11	c	33.23	a	40.48
2023	37.52	b	32.18		31.81		37.17		45.43	a	44.86	h	49.34	b	51.88	e	46.57	b	43.40	a	35.14	a	38.00	a	40.77	a
2024	35.47	a	36.48	b	35.06		34.29	m	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	35.67	i
Period of Record Statistics
MEAN	34.52		33.09		34.49		37.60		42.28		47.01		49.70		49.91		45.92		40.61		36.60		33.43		40.11
S.D.	3.07		2.95		2.11		2.50		2.53		1.67		1.65		2.01		2.71		3.02		3.08		2.45		0.98
SKEW	-0.50		-0.50		0.13		-0.25		0.24		-0.19		0.08		0.02		0.18		0.87		-0.34		-0.51		-0.03
MAX	40.57		37.50		39.13		44.59		48.66		50.27		53.13		53.77		51.53		49.97		43.83		38.00		41.64
MIN	26.74		25.54		30.42		30.14		37.57		43.43		46.32		46.00		41.13		35.76		29.50		26.23		38.49
YRS	31		34		33		34		32		32		34		34		34		34		32		34		24