Big Delta FAA/AMOS AP

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mean Minimum	-7.8	-3.1	3.8	22.2	37.7	48.0	51.2	45.9	35.4	17.5	-0.4	-4.4
Mean	-1.0	4.9	14.1	32.2	47.6	57.6	60.2	54.8	43.9	24.1	6.2	2.1
Mean Maximimum	5.7	13.0	24.4	42.3	57.5	67.2	69.2	63.7	52.3	30.7	12.9	8.6
Mean Precipitation	0.31	0.28	0.18	0.23	0.90	2.31	2.68	1.89	1.03	0.80	0.63	0.38
Snowfall	5.8	6.4	3.1	2.8	1.1	0.0	0.0	0.0	2.2	13.0	13.1	6.7
CDD	0	0	0	0	0	9	12	5	0	0	0	0
HDD	2047	1681	1578	983	540	231	161	321	635	1268	1762	1950

Temperature Extremes	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Highest Daily Maximum (°F)	54	51	58	72	90	92	91	90	79	74	52	55
Year	2009	1943	1981	1979	1947	1969	1958	1994	1963	2003	1979	1985
Lowest Daily Minimum (°F)	-63	-60	-49	-37	-1	26	32	22	-2	-39	-47	-62
Year	1947	1947	1964	1944	1945	2006	1971	1948	1983	1975	1986	1946
Highest Mean (°F)	24.13	20.54	31.61	40.3	54.18	64.47	64.69	61.56	51.97	37.16	25.13	17.66
Year	1981	1997	1965	1993	1981	2004	2009	1977	1995	2013	2002	2005
Lowest Mean (°F)	-25.16	-19.64	-3.84	17.05	37.24	48.87	55.32	48.34	29.91	13.08	-9.63	-22.45
Year	1971	1979	2007	2013	1964	1949	1959	1969	1992	1982	2006	1964

Precipitation Extremes	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Highest 1-Day Maximum Precipitation (in)	0.73	0.59	0.53	0.94	1.16	2.14	2.27	1.34	1.44	0.98	0.9	0.41
Year	1957	1996	1995	1963	1962	1943	2008	1995	1990	2010	1919	1964
Highest Total Precipitation (in)	1.35	2.48	1.14	1.98	3.07	5.42	6.75	4.81	3.01	2.07	2.82	1.67
Year	1957	1996	1995	1948	1988	1985	2008	2000	1952	1989	1994	1955
Lowest Total Precipitation (in)	0.01	0	0	0.01	0.02	0.31	0.56	0.53	0.12	0.03	0	0
Year	1945	1941	1937	1947	1944	2003	1994	2001	2012	1962	2011	2011

Snow Extremes	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Highest 1-Day Maximum Snow (in)	8.5	9.1	6.4	10	9.3	6	0	0	8.5	10.4	9.5	10
Year	1957	1996	1950	1982	1989	1917	1941	1940	1992	1981	1994	1965
Highest Total Snow (in)	20.9	32	24.9	19	10.9	19	0	0	14	23	41.8	29
Year	1950	1996	1967	1948	1989	1917	1941	1940	1981	1997	1994	1955
Lowest Total Snow (in)	0.1	0	0	0.1	0	0	0	0	0	0.3	0.3	0.7
Year	1959	1941	1937	1958	1941	1937	1941	1940	1963	1962	1953	1975

P.O Box 757320 Fairbanks, Alaska 99775-7320

A Recognized State Climate Office - American Association of State Climatologists