1964 04 - daily  - mean of NCEP mean Daily Air temperature at 2 m, degK.
BasinID	Name	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
0	Pan Arctic	257.1	256.8	256.5	257.8	259.3	260.1	259.8	259.3	258.8	258.6	259.4	259.8	259.8	259.9	259.6	259.8	260.4	261.5	262.7	263.5	263.9	264.2	265.6	266.1	266.9	267.4	267.5	267.5	267.4	268.1	-9999.0
34	Hudson Bay	260.8	262.8	263.4	266.3	267.5	266.8	263.4	264.6	264.9	263.7	266.4	267.7	267.3	268.4	267.3	265.9	265.3	263.9	268.1	270.8	269.7	268.9	270.5	272.7	275.0	277.1	277.5	277.5	277.1	278.1	-9999.0
36	Hudson Strait	254.8	250.7	250.9	255.5	257.3	262.5	258.8	254.0	258.8	255.3	253.9	254.5	254.5	263.6	270.9	261.2	258.1	264.7	252.0	256.3	264.8	266.5	268.8	267.5	267.4	268.9	267.8	268.4	269.0	268.9	-9999.0
98	Bering Strait	257.6	256.1	256.2	254.5	261.8	264.6	264.2	266.0	265.5	263.1	260.9	260.4	260.0	258.6	258.6	261.9	266.0	265.3	263.3	263.4	263.2	264.0	264.9	264.5	262.1	261.2	261.1	262.7	263.3	262.9	-9999.0
128	Arctic subocean	242.8	240.0	243.4	247.0	243.5	235.2	234.8	234.4	238.0	239.2	239.6	243.0	242.4	244.4	242.6	241.2	243.0	246.5	252.2	254.5	248.5	248.3	250.8	252.8	253.6	253.5	251.2	248.6	250.1	258.4	-9999.0
130	Chukchi Sea	249.5	243.7	244.6	253.8	260.7	262.1	262.1	262.2	259.5	254.9	252.9	251.0	250.1	253.7	260.5	266.3	267.8	263.9	259.2	258.0	255.8	257.2	256.1	256.6	255.9	255.8	255.2	256.2	260.8	261.8	-9999.0
132	Beaufort Sea	263.6	263.5	263.4	263.7	258.9	259.4	263.8	261.8	260.0	261.3	260.5	260.0	259.9	258.6	256.8	256.6	260.4	266.3	267.2	265.6	266.6	266.7	267.9	267.6	268.3	266.8	264.7	266.0	266.6	269.4	-9999.0
134	Arctic Archipelago	246.3	252.3	256.2	254.2	250.2	245.8	245.8	243.1	241.0	239.4	241.3	243.8	246.2	247.3	245.5	245.7	245.9	247.8	247.9	247.9	251.6	253.9	257.5	261.4	263.7	265.3	263.5	261.1	263.0	263.4	-9999.0
136	Foxe Basin	242.5	245.6	247.9	252.8	254.3	250.6	245.3	245.8	244.0	245.8	247.3	245.6	247.0	247.8	250.8	250.1	248.7	253.4	248.9	253.4	256.5	261.1	262.3	258.6	261.8	262.6	265.0	267.6	269.4	267.7	-9999.0
138	Baffin Bay	247.4	247.3	246.7	249.5	250.3	246.8	241.6	239.3	240.4	243.3	249.3	250.8	248.2	245.3	241.9	242.5	247.1	248.5	256.6	256.5	252.0	249.6	255.2	252.0	249.6	250.3	251.5	251.8	252.1	259.2	-9999.0
139	South Greenland	260.2	259.3	255.7	256.7	257.9	257.6	252.6	249.9	249.6	251.6	255.3	254.2	253.7	251.2	250.3	254.1	256.0	255.8	259.9	263.3	264.6	262.6	263.2	261.3	260.3	259.8	258.0	257.8	257.5	260.1	-9999.0
140	Greenland Sea	251.5	252.1	248.1	247.8	247.7	248.8	247.5	245.7	243.9	244.9	248.1	248.2	247.0	250.0	247.8	245.2	246.6	250.1	254.4	262.3	259.5	252.6	254.3	254.6	249.5	249.4	248.4	247.9	247.7	253.6	-9999.0
142	Norwegian Sea	271.1	271.6	271.2	271.7	272.2	271.4	271.1	271.6	272.1	272.6	272.9	273.2	272.6	273.0	274.1	275.0	275.6	277.3	277.1	276.4	274.7	273.8	274.0	269.8	272.3	273.7	276.0	276.9	277.0	276.1	-9999.0
144	Barents Sea	263.8	266.5	267.7	267.5	266.5	265.6	266.8	265.2	260.4	259.5	263.0	266.1	269.1	270.1	269.4	269.8	270.0	269.9	269.2	268.3	267.8	269.9	270.5	269.2	270.2	268.7	266.3	266.1	269.3	271.4	-9999.0
146	Kara Sea	254.6	252.9	253.5	256.5	261.2	264.7	264.2	261.6	261.6	262.1	260.1	259.8	260.1	261.4	262.4	262.6	262.1	264.5	266.7	266.6	266.8	267.5	269.0	271.0	272.5	272.7	272.7	271.4	270.0	268.4	-9999.0
148	Laptev Sea	259.0	258.0	254.8	253.5	253.5	254.2	256.3	259.8	259.0	257.5	260.2	261.4	259.4	257.1	256.3	259.3	260.6	258.9	258.1	259.6	261.1	261.4	262.0	260.7	263.2	265.3	267.4	268.4	269.1	269.9	-9999.0
150	East Siberian Sea	254.8	252.4	250.6	250.9	252.5	253.8	255.6	256.9	258.3	259.2	262.1	262.2	264.1	265.4	262.4	255.8	252.2	252.7	253.9	253.3	254.7	256.8	258.5	260.0	258.5	258.6	262.3	264.9	260.1	260.6	-9999.0
152	Gulf of Alaska	266.9	266.6	267.9	264.8	269.1	270.5	271.4	272.2	271.9	271.8	269.9	267.3	268.8	266.3	264.7	266.3	271.5	271.5	268.6	268.9	270.1	270.4	271.5	271.3	269.3	267.4	268.8	268.9	265.7	266.5	-9999.0
154	Southeast Bering Sea	261.0	256.7	256.5	266.1	272.0	267.7	270.8	272.9	273.0	271.2	267.4	266.7	264.3	259.5	264.8	271.2	273.1	271.2	270.3	272.2	270.5	273.3	271.9	269.6	265.2	264.2	261.9	263.7	267.9	269.1	-9999.0