SHIRLEY BASIN, WY

Average of Minimum Temperature (Degrees Fahrenheit)

(488192)

File last updated on April 25, 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
1978	5.92	g	9.08	d	14.17	g	28.72	e	32.00	k	41.29	i	47.45	k	42.67	g	36.77		25.20	k	9.71	p	-0.63	a	18.48	h
1979	-6.46	c	8.00	b	20.81	j	24.53		31.87		40.79	b	47.00	e	46.93	a	37.07		29.00		6.97	a	11.30	a	25.18	a
1980	2.45	b	8.07		13.93	c	23.50	b	34.14	c	40.59	c	48.10		44.13		35.37	c	24.83	b	13.57		17.03	b	25.48
1981	9.48		10.56	a	19.59	d	30.04	c	33.97	a	43.93		48.29		45.42		38.28	a	28.04	g	20.33		12.04	c	28.36	a
1982	7.11	c	9.00	b	20.61	c	20.86	a	32.37	a	40.41	a	46.59	d	48.29	c	37.80		24.63	d	14.80		6.50	e	25.75
1983	11.61	c	7.78	a	16.83	a	16.59	a	29.29	c	40.54	b	47.80	a	50.18	c	37.76	a	28.79	c	17.38	d	-3.62	j	27.68	a
1984	0.52	h	4.35	f	13.32		19.92	d	34.11	d	40.62	d	48.29	j	49.76	b	34.04	b	24.04	f	16.17	l	3.71	q	31.96	f
1985	-4.52	d	0.75	h	16.04	h	26.53		35.00	b	40.22	c	48.50	o	42.12	e	34.14	a	26.04	e	12.27	d	3.04	g	26.47	d
1986	11.07	c	15.12	b	24.12	g	28.34	a	30.60	a	45.28	a	45.21	b	44.61	c	35.68	e	27.13		17.39	b	4.36	f	30.04	b
1987	6.41	b	9.56	a	14.21	c	26.10	a	37.77	a	40.91	g	47.39		42.67	a	33.50	b	24.16		17.44	c	6.79	b	24.18	a
1988	1.41	d	6.38	c	13.42	e	26.62	d	33.67	a	47.55	a	48.23	e	44.60	a	35.73		27.77		17.04	e	2.74		25.43
1989	9.33	a	-0.15	b	20.00	e	26.25	b	32.56	d	38.27	h	49.07	b	43.03		35.14	a	27.61		19.46	b	5.18	c	24.32	a
1990	13.52	b	8.85	a	19.97		26.00		30.25	c	42.27		48.10	b	46.50	a	40.76	a	29.42		20.59	a	0.13	a	27.20
1991	3.07	a	14.23	b	20.33	a	25.67		35.08	f	44.39	b	47.20	f	46.63	a	37.59	c	22.94		15.10	a	4.17	b	23.41	b
1992	2.21	b	11.68	a	22.36	c	27.75	j	37.62	e	44.04	c	47.47	a	42.81		35.56	c	29.90		9.17		5.84		26.24	a
1993	5.80	a	2.29		6.97		11.00		28.45		39.07		40.94		41.83	a	34.69	a	23.71		10.33	i	12.29	q	23.47	b
1994	-8.95	l	-14.15	h	2.94	m	19.36	e	31.23	a	37.24	a	38.73	a	40.54	c	30.11	c	21.22	d	8.74	c	4.93	b	25.79	c
1995	-2.80	a	8.11		13.67	a	19.14	a	28.32	c	36.85	d	39.39		40.84		31.10		16.23	a	13.81	d	6.17	a	20.90
1996	-4.20	a	4.18	a	11.32		20.67		29.94		36.70	c	40.74		37.28	b	27.00	d	17.74		10.65	g	10.97		21.12	a
1997	-1.42		-5.93		11.27	a	16.40		29.00		39.10		42.10		42.69	b	33.77	h	19.80	a	7.38	i	-2.55	b	19.05	b
1998	0.84		4.64		4.77		20.10		28.29		32.67	c	44.74		41.20	a	36.93		24.52	b	19.47		0.53	a	21.56
1999	3.97	a	6.89		15.42		19.63		29.60	a	36.30	c	42.23		39.40	f	25.83		17.43	h	9.48	e	1.71		19.11	b
2000	2.68		7.45		12.90		21.90		30.25	c	33.46	b	42.47	a	42.95	i	26.19	i	20.97	a	-8.75	j	-7.21	b	18.32	c
2001	-11.00		-5.89	a	7.71		23.47		28.97		36.50		46.23		42.74	d	31.46	d	21.17	b	8.18	m	-3.42		19.81	a
2002	-2.08	e	-2.52	a	7.17	b	20.87		24.21	c	35.96	c	44.10	a	37.17	a	32.73	h	15.67	a	3.12	e	-2.23	i	18.37	b
2003	7.42		-4.14		15.74		24.10		30.47	a	35.72	a	43.74		43.45		26.83	g	19.42		7.25	f	2.88	e	21.88	b
2004	-0.81		0.52		14.19		22.37		28.63	a	37.00		41.07	c	36.81	d	32.33	f	25.84		8.21	a	4.21	c	19.82	a
2005	5.74		7.25		14.35		19.47		29.32		34.67		41.32		38.42	e	29.21	a	23.94		12.60		-3.33	a	21.08
2006	3.48		-5.39		9.10		22.87		27.81		37.68	b	46.24	b	42.87		29.87		21.94		9.65	d	2.45		20.71
2007	-10.39		2.68		17.32		22.13		30.52		35.31	a	47.16		42.48		33.70		23.29		9.60		-2.32		20.96
2008	-7.20	a	0.41		5.07	b	15.23		27.52		34.43		42.00		39.17	a	27.03		18.07	b	13.83		-1.19		17.86
2009	-1.68		-1.29		10.77		17.80		29.26		37.77		38.86	b	35.88	e	30.60	j	17.81		13.40		-7.10		17.41	a
2010	-4.52		-9.57		7.45		22.37		27.42		36.83		41.19		39.16		27.47		23.52		10.00		2.26		18.63
2011	-1.87		-4.96		10.26		21.60		27.35		34.23		43.55		39.90		28.97		22.06		6.63		-5.32		18.53
2012	0.16		-4.59		16.26		22.77		25.90		36.20		46.10		39.52		28.93		18.00	a	16.50		3.94		20.81
2013	-4.84		-3.89		9.23		14.90		29.48		37.50		44.77		44.65	e	38.43		22.45		10.37		-3.23		19.99
2014	-0.97		-1.04		12.10		21.67		31.81		36.07	a	43.90		42.39		32.97		27.35		14.30		12.39		22.74
2015	1.10		11.79		14.32		21.77		30.87		42.03		45.10		39.65		33.90		30.65		13.63		2.06		23.91
2016	0.10		9.48		18.35		25.47		31.32		41.33		44.61		44.29		36.20		27.58		18.83		-3.84		24.48
2017	-3.06		12.25		24.45		24.73		33.32		40.53		50.39		43.67	a	37.03	a	22.19		20.57		3.00		25.76
2018	3.03		1.75		16.23		21.63		36.13	a	40.35	g	-----	z	-----	z	34.60		23.06		8.69	a	-3.74		15.71	c
2019	-2.10		2.93		2.17	a	23.33		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	6.58	h
2020	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-0.42		-0.42	k
2021	-2.61		-6.68		11.42	g	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-4.65	j
2022	-----	z	-----	z	-----	z	-----	z	-----	z	36.20		46.94		44.26	d	34.30		19.65		6.39	b	2.80	a	27.22	e
2023	0.35		-6.90	g	-0.35		16.27		35.03		40.55	a	-----	z	-----	z	-----	z	-----	z	11.20		-----	z	17.18	f
2024	-3.70	a	10.28	d	17.47	a	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	8.02	i
Period of Record Statistics
MEAN	0.86		3.78		13.34		21.97		30.84		38.68		44.64		42.59		33.75		23.42		13.16		2.37		22.32
S.D.	5.69		6.61		5.61		4.02		3.06		3.49		3.09		3.43		3.80		4.00		4.64		5.65		2.85
SKEW	0.22		-0.26		-0.33		-0.38		0.40		0.53		-0.24		0.14		-0.48		-0.07		-0.06		0.50		0.13
MAX	13.52		15.12		24.45		30.04		37.77		47.55		50.39		50.18		40.76		30.65		20.59		17.03		27.20
MIN	-11.00		-9.57		-0.35		11.00		24.21		32.67		38.73		35.88		25.83		15.67		3.12		-7.21		17.86
YRS	42		41		39		42		40		39		37		38		36		38		35		37		18