1956 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	260.2	260.4	260.6	260.5	260.3	260.6	261.5	262.3	262.6	262.9	262.6	262.3	262.5	263.2	263.8	263.9	264.3	264.7	264.9	264.2	264.3	264.4	264.2	263.7	264.3	264.5	265.1	266.1	266.7	267.1	-9999.0
34	Hudson Bay	265.4	267.2	267.7	267.4	264.5	262.8	262.5	266.4	267.5	269.0	268.2	268.8	270.7	271.7	270.5	270.5	270.9	270.5	271.1	271.5	269.2	267.5	267.6	266.9	265.1	265.7	263.7	264.7	267.1	268.0	-9999.0
36	Hudson Strait	257.0	257.2	258.5	261.7	269.6	268.6	260.2	255.4	258.4	261.3	261.7	263.6	264.5	265.4	265.6	263.3	265.3	268.0	269.5	269.5	270.3	269.8	269.0	267.5	265.6	264.5	267.8	265.9	262.1	264.1	-9999.0
98	Bering Strait	260.9	261.0	258.4	256.1	253.7	255.0	259.3	259.9	263.8	264.9	262.4	264.1	262.7	262.2	261.9	262.8	266.9	265.8	265.9	266.2	266.8	269.0	270.6	269.2	268.7	268.2	268.5	267.1	268.4	270.0	-9999.0
128	Arctic subocean	242.5	242.1	241.6	242.4	242.7	242.6	245.2	247.2	251.5	251.1	245.7	245.3	248.8	255.1	255.1	252.2	251.8	249.2	250.0	252.6	251.9	248.0	247.8	248.4	249.0	247.2	251.5	259.9	257.3	256.6	-9999.0
130	Chukchi Sea	258.3	256.4	250.5	248.6	247.4	247.7	252.2	252.8	256.3	260.0	257.3	258.8	255.2	255.7	256.3	258.2	259.7	260.0	261.7	267.3	267.5	268.3	270.5	271.4	269.9	269.0	269.2	267.8	271.3	272.8	-9999.0
132	Beaufort Sea	258.0	257.5	257.6	254.5	256.4	257.1	259.8	261.8	265.2	267.5	267.2	268.8	268.0	268.2	269.5	267.7	268.8	270.7	269.4	267.2	268.2	267.9	268.7	263.4	262.9	257.9	259.2	262.8	265.5	267.4	-9999.0
134	Arctic Archipelago	245.4	247.4	248.1	249.3	248.8	246.6	248.3	248.1	249.7	252.6	256.1	261.7	263.1	264.0	264.4	265.3	260.3	261.3	264.1	260.5	258.6	259.3	252.2	248.3	248.1	252.4	254.2	258.8	262.5	264.4	-9999.0
136	Foxe Basin	250.7	256.1	254.6	256.5	259.2	264.9	263.9	252.2	259.0	255.1	259.5	261.6	263.0	261.1	260.1	262.3	264.9	260.2	259.3	260.2	262.5	263.4	263.1	260.6	262.6	263.8	264.2	262.3	262.9	262.3	-9999.0
138	Baffin Bay	247.3	243.6	245.3	248.6	248.7	248.3	253.4	256.8	255.7	251.3	245.0	243.5	247.7	249.6	250.1	251.2	255.0	254.9	251.0	250.3	251.0	252.3	254.9	256.6	257.5	256.5	256.6	258.7	257.0	257.5	-9999.0
139	South Greenland	261.0	257.7	260.4	262.3	262.6	260.7	258.3	260.9	261.2	258.5	257.5	256.3	256.8	257.4	258.8	261.7	263.6	264.4	264.8	264.1	263.4	262.1	262.4	263.3	262.7	263.3	264.7	263.8	262.8	261.8	-9999.0
140	Greenland Sea	251.5	247.0	242.5	244.1	243.6	244.6	242.7	247.4	252.6	252.3	251.3	250.6	248.2	247.9	248.1	248.7	249.1	252.5	250.8	248.3	248.7	249.9	250.5	253.0	252.2	253.1	253.1	256.8	255.0	254.4	-9999.0
142	Norwegian Sea	272.3	270.8	268.4	266.8	266.6	267.3	270.3	271.4	272.1	271.9	272.3	270.9	270.2	268.7	269.0	269.7	270.7	272.5	273.6	273.3	274.6	275.6	275.5	273.7	273.9	273.4	273.1	273.2	273.2	274.2	-9999.0
144	Barents Sea	264.4	264.2	263.6	263.8	263.4	263.6	266.2	269.6	269.8	267.7	265.7	263.2	260.4	258.6	259.2	261.6	261.7	265.6	267.3	266.8	265.4	267.7	268.2	267.1	268.6	268.9	269.8	270.4	270.6	270.9	-9999.0
146	Kara Sea	266.8	267.4	267.9	268.4	268.4	269.2	269.8	268.1	266.5	267.9	267.3	264.0	263.5	264.9	265.5	264.9	265.5	265.9	266.3	265.6	266.4	266.6	265.9	266.4	268.5	269.4	269.5	269.4	269.6	269.5	-9999.0
148	Laptev Sea	255.2	255.4	256.6	256.1	257.5	259.5	260.0	260.0	256.4	255.8	258.0	257.7	258.4	260.5	262.7	261.4	260.7	260.3	259.8	259.2	259.9	259.5	259.1	259.5	261.2	262.5	265.5	267.8	266.3	266.1	-9999.0
150	East Siberian Sea	250.6	250.7	250.1	251.5	250.6	250.0	251.7	254.7	255.3	253.6	253.5	257.2	258.3	257.8	258.5	261.0	260.0	258.2	259.5	258.7	258.8	261.1	262.1	263.0	265.0	263.6	263.7	262.7	264.3	266.3	-9999.0
152	Gulf of Alaska	270.4	270.8	268.7	265.3	264.1	264.7	267.2	268.3	270.8	270.2	268.7	270.3	269.4	266.5	267.8	268.7	271.2	269.5	268.3	267.5	271.0	273.6	274.3	272.6	271.9	272.1	272.3	272.2	272.2	272.0	-9999.0
154	Southeast Bering Sea	267.6	268.2	267.5	259.4	252.1	252.1	257.6	260.2	270.9	263.5	268.5	270.7	269.0	266.7	265.2	270.1	270.1	269.4	267.5	267.9	268.2	271.8	274.4	274.2	272.5	272.9	271.9	274.5	274.7	274.3	-9999.0