1980 04 - daily  - mean of daily NCEP sigma-0.995 temperature with 25-km topography correction (K); RIMS mask V1; C. Oelke, NSIDC, May 2003
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	259.6	259.3	259.2	259.2	259.3	260.5	262.0	262.8	263.1	263.5	264.6	265.2	265.7	265.4	265.1	265.2	265.9	267.3	268.5	268.7	269.1	269.5	269.6	269.9	270.2	270.9	271.3	270.8	270.6	-9999.0
34	Hudson Bay	269.4	268.9	267.3	268.0	265.8	262.4	263.1	264.1	267.0	269.1	269.5	270.5	272.2	273.6	269.2	269.0	272.7	275.3	276.2	277.5	279.4	277.0	275.4	277.5	278.8	279.0	281.2	283.6	284.6	284.7	-9999.0
36	Hudson Strait	263.4	264.1	263.6	256.4	260.4	258.9	253.5	256.3	257.1	258.5	263.4	265.9	262.7	267.8	266.9	255.3	254.8	260.8	256.8	263.5	264.0	267.4	270.9	268.4	272.5	268.6	265.9	268.5	270.2	267.5	-9999.0
98	Bering Strait	265.9	267.0	265.9	265.0	264.0	262.1	262.2	262.8	263.1	262.2	262.1	263.0	264.5	266.5	264.5	262.4	263.3	264.5	266.0	265.0	266.8	268.1	266.6	266.5	268.1	269.8	269.5	269.9	269.5	268.7	-9999.0
128	Arctic subocean	244.3	244.4	241.8	241.9	244.6	248.6	251.7	247.8	248.5	246.4	245.2	243.5	242.6	242.8	248.8	251.2	250.5	249.7	249.0	248.5	249.4	249.4	249.6	249.8	250.9	250.8	250.5	254.5	257.3	257.2	-9999.0
130	Chukchi Sea	260.4	263.5	263.0	262.8	260.6	256.2	254.8	253.9	256.3	255.7	254.6	254.8	256.1	259.9	259.0	257.9	258.7	258.9	259.9	260.6	262.4	262.0	264.0	264.8	264.7	264.9	265.3	266.1	265.4	265.0	-9999.0
132	Beaufort Sea	267.4	267.8	268.9	265.0	260.4	259.2	262.3	266.2	265.7	265.9	268.2	271.0	272.6	270.0	272.0	271.7	273.3	272.8	273.9	273.1	271.3	272.8	275.0	274.7	275.6	277.4	279.8	279.9	278.3	274.9	-9999.0
134	Arctic Archipelago	254.4	249.4	248.4	246.4	246.6	247.7	250.8	252.0	252.6	250.2	251.3	254.5	254.1	249.4	249.2	251.5	253.9	255.7	256.1	257.4	257.8	255.5	256.9	257.1	258.3	262.0	261.3	262.7	263.2	264.0	-9999.0
136	Foxe Basin	260.1	259.9	253.8	248.9	246.4	254.6	262.4	259.7	256.5	254.7	251.6	249.3	250.0	250.3	248.3	247.2	248.1	250.2	249.8	252.8	257.1	263.2	260.1	258.0	258.9	257.5	262.1	257.7	258.2	260.3	-9999.0
138	Baffin Bay	246.8	247.4	249.5	251.0	251.7	252.5	254.0	256.5	253.2	249.1	245.7	243.9	244.4	245.2	244.6	247.4	243.8	242.2	247.0	248.6	245.3	248.1	254.0	253.4	251.3	250.5	251.4	252.3	252.0	252.1	-9999.0
139	South Greenland	254.9	254.4	256.1	256.6	257.0	258.2	260.6	258.4	254.2	253.2	253.4	252.9	251.4	252.7	254.9	257.8	254.4	254.4	261.1	261.2	254.7	256.2	261.0	260.6	255.9	255.1	256.5	257.5	257.0	258.4	-9999.0
140	Greenland Sea	242.8	242.9	244.5	247.0	249.7	249.8	250.1	250.9	248.9	248.5	247.6	246.0	245.9	250.7	252.8	250.1	247.5	244.3	247.7	252.8	247.4	245.6	250.3	252.3	250.4	250.8	254.2	259.7	259.0	258.8	-9999.0
142	Norwegian Sea	272.4	272.9	273.0	273.2	275.2	275.8	274.0	272.2	271.3	272.7	273.1	274.5	276.0	275.8	275.8	275.2	275.0	273.5	272.4	273.5	273.8	274.2	275.3	272.4	273.0	274.2	275.2	275.7	276.5	275.6	-9999.0
144	Barents Sea	263.4	264.0	265.8	267.0	268.1	268.4	270.3	271.8	271.0	270.1	269.4	270.1	269.4	267.2	265.0	267.4	270.9	273.1	273.3	274.8	277.3	276.7	276.8	279.1	278.8	277.6	275.3	271.7	270.6	270.1	-9999.0
146	Kara Sea	261.9	259.7	257.9	258.6	260.3	262.1	263.9	266.4	268.2	268.7	269.0	270.0	270.8	272.5	273.0	271.2	268.5	268.8	271.0	272.8	274.0	275.6	275.9	275.1	274.6	274.4	274.4	273.8	272.3	271.5	-9999.0
148	Laptev Sea	252.2	253.3	254.4	254.3	254.2	254.3	254.5	256.0	258.3	259.6	260.9	262.8	262.8	262.3	263.2	264.7	265.0	265.9	266.7	266.8	266.6	266.9	265.9	266.7	267.6	267.6	268.4	268.3	268.6	270.2	-9999.0
150	East Siberian Sea	248.8	249.6	250.3	251.8	253.0	253.7	254.0	254.2	253.9	254.4	255.0	257.1	258.7	259.8	258.2	257.5	258.1	257.2	257.0	259.3	260.9	258.9	257.8	256.4	259.1	260.7	261.3	262.1	262.2	263.5	-9999.0
152	Gulf of Alaska	272.7	273.0	272.1	272.6	273.0	272.2	271.9	271.7	272.4	272.2	272.6	272.6	271.1	270.3	270.0	270.4	271.0	271.4	272.7	272.0	272.2	272.5	270.8	270.7	272.5	274.2	273.8	274.0	273.0	273.3	-9999.0
154	Southeast Bering Sea	273.5	271.4	273.2	273.7	273.3	272.4	272.3	271.8	273.0	271.8	269.1	267.0	271.6	270.6	269.9	269.1	270.9	271.3	270.0	268.3	272.6	272.8	271.8	271.6	272.1	274.0	275.2	277.3	274.6	273.3	-9999.0