1987 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	260.3	260.6	260.6	260.5	261.2	261.5	261.8	262.0	262.7	262.7	263.1	263.8	264.4	265.3	265.7	266.1	266.5	266.3	266.3	266.8	267.0	267.0	267.6	268.0	268.3	268.3	268.6	269.5	269.8	270.0	-9999.0
34	Hudson Bay	265.2	266.3	268.7	268.8	271.7	273.4	274.7	273.4	271.8	267.8	267.6	270.8	272.9	273.9	276.3	278.3	279.3	279.5	279.2	278.3	276.5	276.9	275.1	273.0	273.5	275.0	275.5	278.7	277.3	275.9	-9999.0
36	Hudson Strait	268.6	267.4	265.0	265.1	267.9	265.1	263.2	265.4	264.5	258.0	254.5	255.4	263.3	270.3	261.9	267.0	273.7	275.2	273.0	271.8	271.6	266.2	271.0	266.8	261.7	259.9	264.8	268.6	270.8	270.5	-9999.0
98	Bering Strait	266.9	267.7	267.3	263.1	261.8	261.9	263.7	263.8	263.3	263.8	262.3	262.4	263.2	265.5	266.8	265.7	264.9	264.0	266.2	267.6	267.4	267.9	268.4	270.0	269.0	269.6	270.2	271.1	273.8	274.2	-9999.0
128	Arctic subocean	238.5	239.6	240.1	241.2	242.2	243.0	241.7	241.7	241.8	241.4	242.4	244.3	244.2	244.9	245.5	247.6	247.8	248.8	247.7	248.0	249.2	250.1	250.8	249.8	249.7	248.4	249.9	251.1	250.9	251.8	-9999.0
130	Chukchi Sea	259.3	260.8	261.0	253.4	250.7	253.3	255.3	255.3	254.3	254.3	254.5	254.7	256.2	257.5	258.7	258.8	258.0	257.9	258.4	260.1	260.7	260.5	259.6	261.5	260.9	260.6	262.6	267.2	269.8	269.1	-9999.0
132	Beaufort Sea	266.3	267.8	264.0	262.1	265.2	268.5	267.2	265.7	264.4	266.1	267.6	266.2	266.4	271.1	273.2	272.7	271.2	268.9	269.0	271.4	272.7	270.9	270.3	271.1	271.4	270.7	274.3	275.0	277.0	277.7	-9999.0
134	Arctic Archipelago	250.7	249.7	246.6	245.6	246.7	250.7	248.7	246.1	246.8	249.0	250.3	250.2	249.1	250.8	254.8	258.3	260.8	261.0	258.8	259.3	259.3	257.5	256.1	254.6	258.1	255.9	257.0	258.6	259.3	259.2	-9999.0
136	Foxe Basin	251.2	256.0	256.6	257.5	255.7	250.3	253.9	251.6	247.0	246.2	245.0	247.6	252.4	254.4	250.9	254.4	260.2	259.7	257.6	259.8	260.6	258.4	256.7	255.7	252.8	257.3	255.4	251.7	253.7	256.4	-9999.0
138	Baffin Bay	239.1	240.7	246.6	250.4	250.1	245.9	243.8	243.5	243.9	245.4	243.7	242.6	241.9	241.8	241.2	242.8	243.4	244.8	245.7	247.2	247.0	247.1	248.6	249.8	247.9	248.7	247.6	247.1	247.1	247.6	-9999.0
139	South Greenland	249.2	254.4	262.0	266.1	261.9	256.9	254.7	254.6	255.2	254.2	252.2	252.1	251.5	250.1	253.2	253.5	253.7	254.9	257.4	258.4	256.9	257.7	260.9	261.5	260.1	258.3	256.1	253.7	252.9	252.2	-9999.0
140	Greenland Sea	239.0	240.0	241.6	250.4	251.5	248.0	245.3	244.8	245.0	245.7	245.9	245.1	247.4	249.1	249.2	250.9	247.3	245.8	247.2	253.2	257.5	258.6	258.0	259.1	257.5	253.8	251.3	251.6	250.5	250.4	-9999.0
142	Norwegian Sea	274.7	274.9	275.7	274.8	273.1	271.9	271.9	270.6	270.7	271.5	273.0	274.0	274.7	275.0	274.7	273.5	272.1	272.4	272.4	271.9	271.0	273.5	276.6	276.4	275.6	275.5	277.0	277.3	277.7	278.4	-9999.0
144	Barents Sea	265.1	265.0	264.8	263.9	266.0	264.3	262.0	264.4	263.2	262.6	266.1	268.4	270.5	271.0	267.9	268.8	269.8	269.9	268.4	267.8	268.6	269.7	270.3	271.0	271.5	271.5	271.7	274.0	274.7	274.4	-9999.0
146	Kara Sea	264.3	261.9	259.5	258.7	258.7	260.7	263.1	265.4	269.1	270.0	270.1	271.0	270.3	269.4	268.9	268.9	269.8	270.0	270.5	272.2	273.2	272.7	272.6	273.1	273.9	273.9	273.2	272.8	273.3	274.8	-9999.0
148	Laptev Sea	256.7	258.3	258.6	258.9	260.9	259.6	259.8	259.8	259.8	261.2	263.3	263.9	265.2	266.2	266.5	264.9	264.2	263.0	261.2	259.6	259.3	260.3	262.9	265.1	267.0	267.5	268.2	269.5	268.9	268.0	-9999.0
150	East Siberian Sea	253.0	254.2	256.1	258.3	257.2	254.5	252.0	251.0	251.7	251.9	252.2	252.4	252.6	252.4	252.3	254.4	254.3	254.9	254.5	254.2	254.4	255.7	262.0	263.6	260.8	261.0	260.9	262.1	263.2	262.8	-9999.0
152	Gulf of Alaska	270.0	271.6	273.7	273.0	271.8	270.0	271.7	272.0	272.8	273.1	272.0	271.7	271.2	272.9	272.6	271.0	270.0	269.6	271.1	271.9	273.0	273.5	273.2	273.5	273.1	272.9	273.0	273.1	276.4	275.7	-9999.0
154	Southeast Bering Sea	273.1	273.7	274.8	273.3	272.3	272.4	273.7	272.9	272.5	270.9	265.8	263.4	262.8	269.5	268.4	264.7	266.0	267.5	271.8	271.5	271.3	273.0	273.0	272.1	272.4	273.1	275.0	276.2	276.9	278.7	-9999.0