1948 04 - daily  - mean of NCEP Daily Maximum 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	265.5	265.0	265.5	265.6	265.6	266.2	266.6	266.7	267.1	267.8	267.2	266.1	265.7	266.0	266.6	267.2	267.9	268.7	268.8	268.4	269.1	270.2	271.4	272.2	271.7	271.8	272.6	272.9	273.4	273.6	-9999.0
34	Hudson Bay	268.0	267.5	269.1	270.9	269.9	267.9	268.0	268.3	269.0	270.3	270.8	269.8	269.8	270.2	270.0	270.6	274.3	275.5	274.3	273.4	274.9	276.6	278.7	280.9	281.7	281.6	278.8	278.2	279.0	279.2	-9999.0
36	Hudson Strait	264.2	267.0	266.9	263.4	262.3	264.0	260.8	257.7	258.3	260.5	263.2	269.6	270.4	266.6	271.6	267.6	263.1	265.2	270.9	269.2	262.0	261.3	263.2	264.9	270.5	271.1	272.3	273.1	273.0	272.1	-9999.0
98	Bering Strait	266.4	268.9	268.8	270.5	271.0	270.2	271.2	271.4	271.7	271.4	270.7	271.2	272.5	271.5	268.0	263.8	262.3	264.5	266.4	266.8	268.5	266.1	265.6	266.9	269.4	272.0	272.4	272.3	272.8	272.5	-9999.0
128	Arctic subocean	242.9	241.3	241.6	244.2	244.3	245.8	247.2	245.1	244.4	245.3	246.6	247.2	248.6	248.9	247.7	249.7	250.2	254.2	254.5	250.7	250.4	252.8	257.0	259.7	254.7	257.2	261.7	263.3	262.1	260.2	-9999.0
130	Chukchi Sea	271.1	270.9	270.9	271.4	269.2	269.5	271.2	271.4	272.1	268.8	269.0	273.0	273.5	268.9	260.8	260.4	265.1	269.6	270.0	267.3	260.1	257.5	263.8	270.8	271.9	271.6	270.8	270.0	271.2	268.5	-9999.0
132	Beaufort Sea	262.7	261.4	262.3	262.5	262.4	265.3	266.7	267.7	268.8	269.3	264.5	261.4	263.1	266.5	267.5	269.0	266.8	264.7	266.1	269.1	272.4	272.4	273.3	272.0	271.2	271.0	273.6	273.8	274.8	276.4	-9999.0
134	Arctic Archipelago	250.6	250.9	251.9	251.8	250.6	254.3	257.2	257.1	255.8	256.1	254.7	254.4	255.6	256.1	256.7	259.6	260.6	258.8	257.6	256.4	260.8	263.8	267.9	268.4	262.9	265.9	268.2	269.9	270.6	271.8	-9999.0
136	Foxe Basin	256.0	256.4	255.6	252.9	252.8	252.4	251.9	254.1	257.7	260.1	261.1	259.1	258.1	260.3	263.0	262.6	260.2	261.3	263.0	261.3	259.3	258.8	261.4	266.3	269.2	273.1	273.2	272.6	271.7	270.7	-9999.0
138	Baffin Bay	245.3	245.1	244.6	245.9	248.9	248.8	246.2	244.4	245.6	248.7	249.8	247.5	246.6	248.1	248.6	252.2	256.5	260.1	257.5	252.2	254.8	260.8	262.7	265.0	259.6	257.8	262.5	262.0	260.6	258.8	-9999.0
139	South Greenland	260.3	257.8	258.3	259.4	260.3	259.8	259.3	258.8	259.3	260.0	259.6	258.5	258.7	259.0	258.2	261.0	262.1	264.0	266.2	264.6	266.2	266.3	267.4	268.4	264.8	264.5	268.6	267.4	266.1	265.0	-9999.0
140	Greenland Sea	251.9	248.2	246.2	244.0	245.3	247.8	245.9	245.0	245.7	248.6	250.9	248.3	246.7	248.5	250.7	251.4	252.3	254.6	259.8	256.1	256.1	260.5	264.2	267.5	264.9	256.4	259.5	259.9	260.0	256.0	-9999.0
142	Norwegian Sea	278.1	277.4	278.1	276.0	276.3	275.6	275.6	275.8	275.5	275.3	275.7	276.0	275.5	274.0	275.8	277.8	280.2	279.3	276.3	274.9	278.1	278.4	278.0	279.0	279.1	277.0	275.1	274.0	274.5	276.0	-9999.0
144	Barents Sea	271.0	272.6	275.2	274.4	273.0	272.8	272.9	273.0	273.5	276.8	275.9	271.5	267.7	268.4	271.7	272.6	272.7	271.7	271.4	270.9	269.2	271.0	271.2	268.5	268.2	270.9	272.6	273.3	273.4	273.9	-9999.0
146	Kara Sea	270.2	268.7	269.3	269.8	271.0	271.9	272.0	271.8	272.1	272.3	272.5	271.7	269.4	267.5	268.5	269.9	271.4	272.4	272.9	273.3	273.2	274.5	274.8	276.2	277.0	276.7	275.6	275.6	276.8	278.0	-9999.0
148	Laptev Sea	268.8	268.2	265.8	263.7	262.5	264.5	266.0	266.5	266.4	266.4	264.7	263.4	265.6	267.8	267.5	267.1	267.6	268.5	267.1	267.1	266.0	267.0	269.2	268.2	265.8	266.5	269.1	270.8	270.6	270.0	-9999.0
150	East Siberian Sea	259.6	262.5	265.9	266.8	265.8	263.5	263.4	265.5	266.4	266.9	266.4	266.1	262.6	265.3	270.7	272.1	269.2	268.3	266.7	263.7	267.0	268.8	269.3	270.0	268.9	266.2	269.0	271.0	272.3	272.5	-9999.0
152	Gulf of Alaska	267.4	270.4	271.2	272.8	272.9	272.7	273.3	273.6	273.7	274.4	274.4	273.4	273.8	274.0	273.0	267.8	264.0	265.8	268.8	270.6	271.7	271.2	266.5	267.6	270.4	273.7	274.2	274.3	274.7	274.9	-9999.0
154	Southeast Bering Sea	272.4	273.1	273.0	273.8	273.4	274.1	274.1	274.0	274.1	273.7	274.2	274.4	274.5	274.2	273.4	265.9	264.0	267.8	270.3	272.1	272.5	268.4	266.0	270.5	272.8	274.0	274.1	274.1	274.2	274.3	-9999.0