1991 05 - 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	270.7	270.6	271.2	271.7	272.5	273.4	274.2	274.5	274.9	275.3	276.0	276.1	275.9	275.3	275.8	276.0	275.3	275.3	275.3	275.6	276.0	276.6	277.2	277.6	278.0	278.3	278.8	279.3	279.7	280.2	280.7
34	Hudson Bay	272.7	271.1	270.6	270.9	272.3	273.7	274.2	276.5	279.0	281.8	284.2	284.0	282.2	278.2	278.8	278.2	278.2	280.6	283.8	286.2	286.0	285.7	285.2	282.9	280.8	281.8	282.3	282.8	283.7	283.8	283.4
36	Hudson Strait	272.8	272.9	272.4	269.6	266.6	265.4	265.9	266.4	269.7	269.0	270.2	271.4	271.5	268.7	267.8	268.2	267.0	268.0	272.9	274.5	272.2	269.9	272.7	276.5	274.8	272.5	273.9	276.6	274.2	274.3	276.3
98	Bering Strait	274.5	273.8	275.5	276.9	278.5	279.8	278.9	277.7	277.8	276.6	275.4	275.4	276.3	277.4	277.4	278.3	278.2	278.4	278.4	277.7	278.0	279.4	280.3	280.7	281.5	280.0	279.9	280.1	281.2	280.8	280.4
128	Arctic subocean	256.4	254.7	256.2	258.5	260.4	262.4	261.2	259.9	259.4	258.1	258.7	259.8	260.1	259.9	259.9	260.7	260.8	259.9	261.6	264.4	265.6	265.7	266.3	266.2	265.2	264.3	264.3	265.0	265.9	267.4	268.8
130	Chukchi Sea	269.3	268.9	270.1	271.0	273.1	274.7	275.0	274.2	273.9	273.4	272.8	272.9	273.6	273.9	274.3	274.7	275.2	275.5	275.3	275.9	275.2	275.6	277.0	278.3	277.6	275.6	275.2	275.4	275.5	276.0	276.9
132	Beaufort Sea	274.6	275.4	276.5	278.0	279.5	280.6	280.5	280.5	280.1	280.2	280.9	280.9	281.3	279.6	279.6	281.3	282.9	284.6	284.0	282.2	279.8	278.1	277.1	276.8	277.5	278.1	279.5	282.4	284.9	282.9	280.9
134	Arctic Archipelago	261.2	260.9	262.2	264.0	266.0	267.3	268.5	267.7	266.9	266.2	265.8	264.7	264.9	265.7	266.3	268.8	271.3	271.1	270.0	269.4	270.4	270.8	271.1	270.1	269.0	268.3	268.3	267.9	267.7	268.7	269.9
136	Foxe Basin	261.8	261.7	261.6	261.5	261.9	262.6	262.1	263.2	262.7	264.8	265.9	264.0	263.5	264.4	264.1	264.6	267.3	269.3	268.4	267.5	267.9	269.1	270.1	268.8	268.0	267.8	268.7	268.5	269.4	271.0	273.6
138	Baffin Bay	254.3	254.4	254.5	255.7	256.3	256.7	259.0	258.9	259.2	258.8	258.1	257.6	257.8	257.4	258.8	260.6	260.4	259.1	258.6	259.6	259.7	260.0	261.1	261.0	261.9	263.5	263.9	264.5	264.0	266.3	269.5
139	South Greenland	262.5	264.6	264.6	266.1	266.0	265.0	264.3	262.5	261.8	261.5	261.4	259.9	259.2	260.7	264.6	266.3	265.1	263.5	262.7	262.2	262.2	262.4	263.5	264.7	267.4	267.2	267.2	268.3	268.6	271.6	273.1
140	Greenland Sea	253.6	253.8	252.8	254.4	254.7	255.1	255.4	257.2	256.7	257.0	256.8	255.5	255.4	255.1	256.2	258.7	259.1	258.1	257.2	256.9	257.5	257.8	257.9	257.7	259.0	261.5	262.0	263.3	263.8	264.6	267.8
142	Norwegian Sea	277.3	275.9	276.0	275.9	274.4	274.7	275.2	274.7	275.2	277.3	278.1	277.6	277.8	277.2	277.3	276.4	276.6	278.7	279.4	277.9	277.8	276.3	275.0	276.0	276.9	278.3	279.2	279.2	279.1	279.6	276.7
144	Barents Sea	275.7	278.2	280.4	279.9	278.2	275.8	273.4	274.2	273.9	273.6	275.1	279.5	279.8	276.0	274.3	276.0	277.0	277.4	278.0	279.5	282.8	285.8	286.4	285.5	284.1	283.7	286.0	287.2	284.1	284.0	285.5
146	Kara Sea	273.0	272.6	274.3	276.2	277.1	279.1	280.8	280.6	281.1	281.6	282.3	281.9	282.2	283.5	283.5	281.7	279.3	276.9	275.7	276.2	277.5	279.0	280.1	281.5	282.4	282.5	282.1	281.5	282.0	283.4	284.8
148	Laptev Sea	270.8	270.6	269.4	267.3	268.2	269.5	271.9	273.0	272.7	272.8	273.4	274.3	272.7	272.6	275.0	274.7	272.9	274.9	274.7	272.8	272.4	272.9	274.3	275.9	277.6	279.9	281.4	282.5	282.4	282.4	281.3
150	East Siberian Sea	270.2	271.4	271.0	270.7	269.0	268.5	268.4	269.3	270.5	271.2	271.4	271.5	273.2	270.1	268.6	271.5	270.9	269.3	269.4	273.9	275.8	274.9	275.2	275.9	277.1	277.4	277.8	279.1	279.6	279.0	281.5
152	Gulf of Alaska	275.3	275.3	276.4	277.9	278.1	278.3	277.2	276.3	276.5	274.8	274.6	275.1	276.2	276.3	277.6	277.6	277.6	277.4	276.8	277.9	279.7	281.0	282.3	282.7	282.5	280.2	278.2	277.7	279.0	277.8	277.5
154	Southeast Bering Sea	277.6	277.7	277.6	277.9	278.8	279.3	280.2	278.4	277.7	277.9	276.8	277.0	277.0	277.8	278.4	278.7	278.3	279.4	279.5	279.4	279.8	282.2	284.6	285.1	286.4	283.2	279.9	279.2	280.9	280.2	280.0