1990 04 - daily  - mean of ECMWF ERA-40 daily air temperature at 2m (k); A.P.Barrett, CU
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	263.7	264.9	265.6	265.2	265.0	265.0	264.9	263.5	263.1	264.5	265.1	265.4	266.0	266.8	267.4	267.4	267.1	267.0	267.1	267.2	268.0	269.4	269.8	269.1	268.6	268.3	268.8	269.4	270.2	271.1	-9999.0
34	Hudson Bay	266.0	266.3	269.5	267.2	264.4	264.5	267.4	266.5	265.4	265.3	266.2	267.6	267.2	266.5	267.9	266.3	266.4	269.6	273.0	272.4	276.0	277.9	278.4	278.3	274.9	271.3	268.8	268.9	271.3	272.6	-9999.0
36	Hudson Strait	264.8	256.4	256.5	260.7	269.7	269.9	264.5	260.7	259.5	259.8	259.0	260.3	262.0	258.4	258.6	260.2	259.7	258.4	257.2	255.2	257.5	262.9	261.6	262.8	271.6	266.5	263.6	262.5	265.6	271.3	-9999.0
98	Bering Strait	266.3	266.2	267.0	268.3	268.6	267.0	269.1	270.7	271.0	271.8	270.9	270.2	271.1	271.6	271.2	270.3	270.6	270.3	270.6	270.1	270.0	271.2	272.1	272.4	273.0	273.7	272.5	272.1	271.3	271.9	-9999.0
128	Arctic subocean	247.7	247.0	249.3	249.7	252.7	254.6	253.8	250.4	254.5	257.5	252.3	249.6	250.4	249.3	248.8	248.8	249.9	252.8	251.5	251.4	251.7	251.9	250.6	250.4	251.2	252.5	257.1	256.7	254.3	254.6	-9999.0
130	Chukchi Sea	261.9	261.7	264.2	265.4	265.2	262.1	265.7	272.0	271.9	269.4	267.8	269.0	268.8	268.2	268.9	266.0	262.8	262.4	262.4	263.5	265.3	266.5	265.5	265.6	270.2	271.9	268.6	267.5	262.7	263.5	-9999.0
132	Beaufort Sea	270.0	271.6	270.3	269.6	272.3	271.9	268.4	265.9	265.0	268.7	268.9	266.6	268.0	270.2	269.2	270.5	272.5	274.5	272.3	273.1	273.3	274.0	273.1	271.5	269.6	269.2	270.2	270.6	272.3	271.9	-9999.0
134	Arctic Archipelago	249.3	253.1	254.0	253.5	257.1	260.3	256.9	254.5	258.1	264.2	260.8	252.2	252.6	253.3	253.0	254.2	252.3	251.4	252.1	254.9	254.5	255.1	256.3	255.1	254.8	257.2	261.6	261.4	259.7	261.6	-9999.0
136	Foxe Basin	253.3	251.8	252.5	253.5	253.7	253.4	253.9	255.8	256.6	258.2	261.2	255.2	248.0	246.4	247.5	249.2	250.1	248.9	250.0	251.2	252.6	251.9	252.0	255.5	257.4	256.0	257.8	261.5	260.7	258.6	-9999.0
138	Baffin Bay	245.6	250.2	249.2	246.8	244.9	245.0	247.7	247.5	246.8	248.8	250.1	247.9	246.4	247.0	246.5	244.8	244.2	246.1	246.7	248.0	244.9	244.2	245.5	245.6	247.9	247.9	249.9	252.3	250.1	249.8	-9999.0
139	South Greenland	250.5	251.8	250.6	248.8	248.9	251.4	255.9	256.6	253.5	250.6	249.0	252.7	253.5	252.9	252.0	250.1	251.8	253.9	256.5	254.3	249.9	248.8	248.8	248.1	250.0	251.4	252.2	252.2	253.0	252.5	-9999.0
140	Greenland Sea	243.7	245.8	243.9	242.7	242.3	242.2	244.2	244.1	242.5	243.8	244.5	245.7	246.4	246.0	246.4	249.1	252.2	252.9	251.5	252.3	246.7	247.2	246.2	246.9	248.6	248.3	248.8	250.0	249.5	246.9	-9999.0
142	Norwegian Sea	271.5	269.5	267.6	267.0	266.8	267.2	267.1	269.6	274.9	275.1	274.8	277.9	276.5	277.4	277.4	277.5	276.3	275.8	276.9	276.3	278.2	277.8	277.5	277.6	280.1	278.8	274.7	274.3	278.4	277.7	-9999.0
144	Barents Sea	269.6	266.7	264.9	268.4	268.8	264.9	266.0	267.1	268.5	271.7	274.6	275.5	277.1	278.1	277.2	277.5	278.1	278.0	277.2	276.4	276.2	277.1	278.3	277.8	276.8	277.2	279.4	279.5	278.7	279.2	-9999.0
146	Kara Sea	269.1	271.3	272.0	269.6	268.9	269.8	268.3	265.9	265.7	267.7	269.1	269.9	271.7	273.4	274.3	273.8	272.3	270.3	270.6	271.4	273.5	275.3	275.5	274.4	275.2	275.8	276.2	276.5	277.1	277.9	-9999.0
148	Laptev Sea	263.0	265.3	266.8	269.0	267.9	265.2	263.7	260.9	259.6	258.7	260.4	263.7	263.5	265.3	268.5	269.5	268.5	266.9	265.0	264.6	266.1	268.6	268.8	266.2	264.6	266.1	267.7	268.6	270.6	273.0	-9999.0
150	East Siberian Sea	257.9	258.2	259.6	260.5	262.1	265.6	267.4	265.7	264.3	268.8	268.4	266.5	265.8	264.2	262.8	265.2	266.1	265.0	264.3	263.3	261.6	262.1	266.7	269.4	263.1	258.7	261.1	265.2	267.2	267.6	-9999.0
152	Gulf of Alaska	270.3	270.3	271.2	272.7	271.4	271.1	272.8	272.1	272.2	272.3	273.3	273.9	273.5	274.4	274.2	274.8	276.2	275.7	276.4	275.7	274.6	275.4	274.6	275.3	275.3	276.0	276.1	276.8	276.6	277.0	-9999.0
154	Southeast Bering Sea	267.1	271.6	274.6	273.9	269.8	272.7	275.9	275.2	274.5	275.1	275.1	275.1	275.7	277.2	276.6	276.3	275.4	276.3	276.5	277.1	276.9	276.9	275.8	272.8	274.8	276.2	275.6	276.1	275.3	277.4	-9999.0