1957 04 - daily  - mean of NCEP Daily Minimum 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	265.5	265.3	265.4	265.0	264.5	264.3	263.7	263.2	262.7	262.6	263.0	263.0	263.0	263.2	263.7	264.6	264.9	265.1	265.1	265.2	265.2	265.0	264.9	264.9	264.8	264.9	265.0	265.3	265.0	-9999.0
34	Hudson Bay	278.9	278.7	278.4	279.2	278.7	277.3	277.4	278.4	278.8	279.1	279.2	279.5	279.1	279.6	280.0	279.9	279.7	279.8	279.2	278.5	278.1	278.2	278.3	278.4	278.3	278.4	278.9	278.5	278.3	278.5	-9999.0
36	Hudson Strait	277.3	276.1	275.6	275.4	277.0	276.3	274.7	276.5	276.4	275.9	273.2	274.6	273.8	272.7	276.0	277.2	278.2	277.8	278.3	277.8	277.3	276.8	277.8	276.6	276.3	276.4	275.8	277.8	275.9	275.5	-9999.0
98	Bering Strait	272.1	272.0	270.5	267.9	268.6	268.9	269.2	271.2	270.0	271.7	272.2	271.4	269.9	270.8	270.3	267.9	266.8	268.4	268.2	268.4	269.8	270.7	270.6	270.0	270.3	269.4	269.7	270.3	270.2	271.5	-9999.0
128	Arctic subocean	224.7	231.9	234.4	234.7	240.1	234.4	234.1	229.0	228.0	228.9	231.4	233.5	228.7	230.1	231.7	235.0	235.9	233.2	234.6	239.8	239.5	239.5	239.6	239.5	241.7	238.0	236.1	237.2	240.3	241.4	-9999.0
130	Chukchi Sea	266.9	262.7	261.2	264.1	256.9	254.6	260.0	256.9	257.9	267.9	262.9	262.1	262.9	262.4	258.0	256.1	260.0	259.0	258.7	262.2	266.2	265.9	262.7	262.2	261.0	257.7	256.1	260.2	268.1	270.5	-9999.0
132	Beaufort Sea	273.9	273.2	273.5	272.0	270.2	270.8	272.4	273.2	273.0	273.4	273.8	272.7	272.5	272.6	272.7	272.0	272.7	272.3	271.9	271.7	272.4	273.9	273.8	272.8	272.7	273.3	271.2	270.9	271.2	270.8	-9999.0
134	Arctic Archipelago	259.9	258.7	255.4	253.7	251.5	254.2	258.4	257.8	258.6	254.9	253.5	252.1	254.4	255.5	256.0	260.3	263.7	264.8	265.6	265.6	265.9	264.2	262.4	263.2	263.1	262.5	262.5	256.8	254.9	254.2	-9999.0
136	Foxe Basin	272.1	270.5	267.7	266.3	268.1	265.5	264.1	267.8	265.6	267.0	262.3	260.4	259.8	264.9	265.6	265.3	269.4	271.7	270.9	270.7	271.3	269.6	269.1	269.2	269.5	269.9	269.9	270.9	267.9	265.7	-9999.0
138	Baffin Bay	238.9	245.3	239.8	239.1	245.1	239.4	236.2	235.0	231.3	231.5	231.9	230.5	230.2	233.1	234.5	238.3	238.4	240.4	241.6	241.0	239.2	238.8	239.3	239.3	239.7	235.6	240.3	247.2	252.7	250.5	-9999.0
139	South Greenland	263.8	265.8	265.9	264.3	261.2	260.3	262.0	259.8	257.9	253.6	251.3	256.2	257.1	252.7	252.2	254.1	251.0	250.4	257.2	253.7	251.8	251.3	251.4	251.6	254.6	262.4	263.9	264.3	265.1	262.5	-9999.0
140	Greenland Sea	233.7	240.1	244.2	251.1	253.0	246.6	243.0	240.0	234.9	233.7	236.3	238.3	238.7	236.7	236.1	237.0	233.9	231.5	234.6	236.6	237.9	240.0	241.2	241.8	242.4	240.9	241.2	244.0	248.8	249.8	-9999.0
142	Norwegian Sea	268.9	268.6	267.3	266.8	266.8	267.7	268.2	267.1	267.2	266.3	267.9	266.7	266.5	266.8	267.4	268.9	268.4	267.5	269.1	267.4	267.6	267.7	268.8	268.0	268.2	268.6	267.5	266.8	266.0	267.5	-9999.0
144	Barents Sea	264.2	264.1	263.6	263.6	262.8	262.2	261.8	263.4	264.6	263.9	262.8	261.8	262.9	262.4	261.3	261.6	262.9	263.6	263.8	263.4	263.7	264.1	264.4	264.4	263.7	263.0	262.8	262.4	262.3	263.2	-9999.0
146	Kara Sea	266.9	267.0	266.9	266.7	265.9	267.8	267.8	265.7	264.7	264.3	266.1	267.8	266.7	265.6	265.5	264.6	265.5	266.4	266.8	267.7	268.7	269.0	268.3	267.6	267.3	267.5	267.8	267.6	267.0	265.9	-9999.0
148	Laptev Sea	258.4	257.6	259.9	261.2	260.2	257.5	255.8	254.7	253.8	252.8	250.9	250.2	252.9	254.5	256.5	258.4	262.3	261.0	260.1	260.6	258.5	257.2	257.3	258.3	258.2	256.5	255.4	255.3	255.3	254.9	-9999.0
150	East Siberian Sea	256.6	253.8	252.1	255.0	258.2	256.8	252.2	250.4	252.6	251.6	250.5	251.3	248.6	248.9	246.9	251.5	253.7	256.4	253.8	250.5	250.0	251.7	251.1	252.8	251.6	251.7	253.4	257.1	259.8	261.6	-9999.0
152	Gulf of Alaska	274.9	274.7	273.4	271.6	272.0	272.8	272.2	274.9	274.5	274.2	274.0	274.2	272.7	273.4	274.0	272.2	269.8	270.5	270.7	270.3	274.2	273.4	272.9	273.0	274.4	273.1	273.1	273.1	271.9	272.0	-9999.0
154	Southeast Bering Sea	275.8	273.5	272.9	272.6	273.4	270.2	272.6	274.9	274.5	274.1	276.0	274.2	274.6	275.5	274.2	272.2	269.4	269.7	270.8	272.4	275.0	272.1	273.5	274.0	273.5	272.4	272.4	270.7	270.5	271.1	-9999.0