1977 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	258.7	259.3	259.6	260.2	261.4	262.6	263.7	264.8	264.4	263.5	263.6	263.9	263.8	264.3	265.5	266.8	266.5	265.5	264.5	264.8	265.3	266.2	267.7	267.9	268.0	267.9	267.5	268.3	269.4	269.1	-9999.0
34	Hudson Bay	263.8	261.9	259.6	259.5	260.5	260.8	260.9	264.8	269.7	271.2	271.0	270.6	271.6	273.6	274.9	274.7	273.8	273.3	272.3	272.1	272.6	272.9	272.6	272.8	273.3	273.3	270.0	270.3	274.7	274.4	-9999.0
36	Hudson Strait	256.7	261.2	265.7	261.3	253.0	258.0	257.2	251.9	252.7	253.4	264.0	263.1	259.6	263.8	261.3	262.4	264.1	265.0	268.4	269.0	268.7	266.6	264.2	264.3	263.6	266.3	261.7	259.8	259.5	260.7	-9999.0
98	Bering Strait	253.3	262.9	262.1	263.1	263.5	260.7	261.0	259.4	260.0	263.1	260.7	261.4	260.6	260.0	260.9	263.8	263.6	265.1	265.0	267.9	269.4	267.6	268.6	269.2	267.3	265.7	264.9	262.8	263.1	266.6	-9999.0
128	Arctic subocean	248.5	246.0	241.5	244.3	244.9	247.4	250.6	251.0	247.5	246.1	248.6	251.1	248.9	247.0	251.4	252.6	254.8	257.0	255.2	253.8	253.2	251.2	249.8	252.6	254.1	254.6	254.4	253.9	254.9	255.2	-9999.0
130	Chukchi Sea	247.7	248.1	246.3	248.4	252.2	251.5	252.9	254.9	248.6	247.5	250.3	250.6	253.9	254.6	253.8	255.2	259.3	260.9	262.2	265.3	264.7	263.5	269.3	268.6	263.7	260.6	259.4	260.1	263.0	262.4	-9999.0
132	Beaufort Sea	257.2	257.2	264.3	262.6	264.2	264.9	265.8	269.7	268.4	265.4	268.1	267.7	268.1	266.8	266.0	267.7	266.7	266.5	265.9	266.3	267.9	268.6	272.6	274.3	274.8	272.8	271.1	269.9	267.8	266.4	-9999.0
134	Arctic Archipelago	248.8	247.2	245.7	245.4	246.6	246.2	248.8	250.4	253.3	254.0	253.6	258.7	259.6	258.6	261.8	263.5	263.7	261.3	261.3	260.3	258.1	259.2	262.1	263.2	260.0	259.9	261.4	264.4	264.9	263.2	-9999.0
136	Foxe Basin	252.9	251.6	251.6	256.6	254.0	253.1	257.4	257.1	252.4	255.6	261.8	259.3	259.8	259.0	257.7	262.6	268.4	267.8	266.4	262.0	260.6	256.7	258.8	257.4	256.2	257.9	258.7	262.9	262.9	261.8	-9999.0
138	Baffin Bay	255.1	253.3	248.9	245.8	251.2	258.3	261.7	260.5	252.6	250.1	251.5	248.1	248.5	248.1	246.5	247.6	250.1	251.2	252.5	252.7	251.5	250.9	249.6	249.3	251.6	252.2	253.1	253.7	256.6	258.4	-9999.0
139	South Greenland	257.4	259.5	257.6	254.3	257.8	263.1	266.8	260.9	254.3	252.0	252.6	252.4	251.3	251.5	253.5	253.1	254.1	254.6	254.5	254.8	254.9	254.0	254.2	252.9	254.1	256.1	257.7	257.6	259.8	264.2	-9999.0
140	Greenland Sea	248.0	247.0	246.8	243.3	245.0	254.2	258.3	259.5	255.0	248.4	247.4	247.4	247.9	246.4	245.0	244.4	245.3	248.0	247.3	248.0	250.0	248.9	247.4	246.1	247.9	251.1	251.6	251.2	252.2	255.2	-9999.0
142	Norwegian Sea	271.8	271.5	268.8	268.4	269.5	268.0	266.2	266.7	267.1	267.9	270.2	273.0	273.0	272.5	271.7	270.1	270.9	271.5	272.8	273.1	274.1	273.9	270.9	270.4	271.4	273.1	274.3	274.9	275.5	274.9	-9999.0
144	Barents Sea	265.0	268.3	270.2	269.0	264.9	262.9	264.3	268.7	269.5	265.1	261.7	265.5	269.2	269.8	269.4	268.7	270.3	269.8	270.7	271.6	270.1	272.2	274.1	271.9	272.6	273.2	273.1	275.2	278.7	276.6	-9999.0
146	Kara Sea	261.7	259.5	261.3	264.1	266.8	268.2	269.2	270.5	267.9	267.1	267.3	266.9	266.8	269.1	271.0	273.2	270.9	270.2	270.1	269.3	269.9	272.2	273.6	273.6	273.7	273.6	273.5	274.5	274.8	274.7	-9999.0
148	Laptev Sea	254.9	259.7	258.4	259.3	261.5	263.2	263.3	264.6	265.1	264.2	263.3	263.8	262.4	260.6	263.0	265.0	266.0	259.0	253.6	256.4	258.4	261.3	264.7	265.3	266.0	264.9	265.3	267.9	267.5	264.2	-9999.0
150	East Siberian Sea	259.1	259.2	260.3	261.9	258.9	260.1	262.8	260.8	262.1	260.9	262.6	263.1	260.8	260.7	260.7	261.6	262.4	263.7	260.6	257.6	256.9	256.7	257.2	258.7	259.4	261.5	263.7	264.9	267.3	266.6	-9999.0
152	Gulf of Alaska	267.1	273.7	272.0	272.9	270.8	267.9	270.8	267.6	270.0	270.7	267.3	267.8	262.6	265.3	266.7	267.8	267.2	268.3	269.7	272.5	273.1	272.4	273.0	273.6	272.9	269.8	268.4	267.1	268.1	272.8	-9999.0
154	Southeast Bering Sea	266.8	269.5	262.9	267.5	267.6	264.3	263.5	263.0	268.4	262.6	253.4	251.4	253.3	259.8	261.4	262.2	262.8	268.8	271.5	271.6	272.1	270.2	273.1	271.0	270.1	266.9	266.9	266.4	271.7	273.5	-9999.0