1957 06 - daily  - mean of NCEP mean Daily Clear Sky Downward Longwave Flux at surface, W/m^2.
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	250.7	254.5	257.5	260.7	261.7	260.9	261.0	262.8	263.6	263.8	263.3	261.5	260.3	261.0	262.9	264.7	266.3	269.7	270.5	270.1	273.4	277.4	278.0	277.9	278.9	279.3	279.7	281.4	282.8	283.5	-9999.0
34	Hudson Bay	255.1	257.1	259.1	256.5	254.9	255.1	254.3	261.9	265.5	266.8	263.0	260.9	263.1	275.4	283.1	281.0	285.6	295.3	288.4	274.2	280.7	286.5	284.0	285.2	291.9	296.2	297.6	298.9	297.0	289.1	-9999.0
36	Hudson Strait	279.9	238.6	223.2	244.1	236.8	228.8	225.0	227.5	241.7	263.8	238.6	251.8	231.6	231.2	237.1	239.8	236.3	252.2	265.9	262.4	252.7	276.6	289.1	249.6	262.2	279.6	284.4	292.0	290.9	298.8	-9999.0
98	Bering Strait	251.4	257.7	257.8	261.1	272.8	273.6	266.6	264.8	270.2	273.7	279.0	272.0	264.8	273.1	276.5	278.7	281.3	283.1	282.2	271.1	269.0	261.5	254.8	262.9	272.6	271.6	270.3	272.0	277.0	281.4	-9999.0
128	Arctic subocean	201.0	197.9	200.1	201.9	197.8	198.4	198.4	203.4	202.8	202.6	205.7	210.3	212.6	212.6	211.9	212.2	212.4	209.7	211.5	216.4	222.5	229.8	233.9	231.4	228.3	230.6	229.8	227.8	226.7	227.9	-9999.0
130	Chukchi Sea	238.0	244.0	243.6	260.4	270.7	267.4	268.0	272.5	277.5	280.3	278.4	274.0	273.9	273.3	276.2	267.9	262.8	263.3	260.3	255.4	250.1	238.9	249.4	256.6	260.3	264.3	256.7	252.4	261.5	261.6	-9999.0
132	Beaufort Sea	254.2	258.2	261.1	265.8	262.2	263.3	249.7	227.9	227.2	232.4	241.7	243.3	246.6	241.4	250.4	259.5	274.7	269.7	268.2	267.0	265.2	268.2	275.7	274.1	272.3	280.4	283.7	281.5	283.7	285.3	-9999.0
134	Arctic Archipelago	207.1	202.4	205.7	212.7	217.9	215.5	210.8	213.9	217.4	218.4	214.8	214.9	221.0	222.5	220.9	229.7	232.1	227.5	227.2	234.4	239.6	247.7	256.8	256.2	249.6	258.9	269.3	258.7	252.5	250.4	-9999.0
136	Foxe Basin	221.7	214.2	207.9	212.1	217.3	223.7	224.8	228.8	231.3	225.8	212.3	221.6	230.5	226.7	229.7	231.8	230.7	234.3	240.4	237.6	239.5	245.1	250.0	237.3	235.2	240.6	241.0	252.1	247.8	247.6	-9999.0
138	Baffin Bay	179.0	180.0	191.3	181.4	182.8	184.9	185.9	195.6	196.3	192.6	197.7	208.1	210.0	207.6	202.0	199.6	196.8	199.6	202.9	213.7	223.2	227.7	222.1	216.9	217.0	221.6	218.1	217.1	213.6	212.1	-9999.0
139	South Greenland	191.4	203.0	211.9	208.6	207.9	204.9	210.1	207.9	207.4	208.1	208.3	207.0	206.5	206.5	207.1	203.7	203.9	209.2	217.0	226.3	233.8	234.3	230.1	225.9	224.0	224.3	219.6	216.9	215.7	215.3	-9999.0
140	Greenland Sea	187.0	189.0	196.4	186.9	181.7	185.7	181.2	180.0	183.3	183.4	186.6	187.6	187.9	190.9	193.9	195.8	195.0	196.1	195.3	200.1	211.2	216.2	216.3	215.4	210.7	206.9	205.9	203.8	204.7	206.6	-9999.0
142	Norwegian Sea	243.6	248.2	246.4	236.6	244.2	256.5	258.4	251.9	260.3	270.2	275.8	281.9	253.9	265.9	272.2	272.8	259.6	249.1	247.0	243.8	245.3	247.5	251.2	252.4	249.7	253.7	250.2	252.1	262.1	267.0	-9999.0
144	Barents Sea	261.1	259.9	257.5	261.7	262.8	264.8	278.6	280.0	278.0	280.2	298.3	293.5	307.0	277.9	257.3	262.5	273.4	283.1	277.0	268.4	265.0	262.7	262.0	273.1	284.5	298.3	298.4	296.8	288.3	285.8	-9999.0
146	Kara Sea	265.8	275.1	281.3	287.6	291.5	291.2	294.1	299.5	299.8	295.1	285.4	278.8	271.6	275.9	286.4	292.0	287.7	287.6	292.6	300.4	306.6	310.1	307.0	301.7	298.0	298.6	304.7	311.3	314.4	317.6	-9999.0
148	Laptev Sea	265.9	268.9	270.4	275.4	272.6	269.3	273.2	276.2	273.2	274.4	279.0	277.8	274.1	268.6	258.7	257.2	262.7	270.7	268.5	262.1	265.4	277.3	285.0	294.0	295.5	288.9	279.2	278.1	283.0	284.0	-9999.0
150	East Siberian Sea	261.9	265.7	264.6	266.0	265.2	255.2	248.4	256.5	259.0	260.4	266.2	269.8	279.9	285.2	279.4	269.4	260.4	265.2	276.2	283.4	280.0	278.6	280.1	281.4	283.4	251.7	242.8	253.5	262.2	270.4	-9999.0
152	Gulf of Alaska	262.4	269.5	268.6	272.8	277.7	284.0	290.1	287.8	284.7	281.1	279.2	277.5	272.9	276.7	274.9	272.8	277.0	276.6	271.5	271.3	273.4	264.3	259.2	258.5	263.3	267.0	274.1	276.8	281.0	285.2	-9999.0
154	Southeast Bering Sea	273.1	276.9	285.0	290.5	300.1	303.2	305.7	305.0	293.8	291.6	294.1	302.1	297.8	290.4	288.9	285.2	285.2	294.7	295.3	294.1	293.1	284.0	273.8	282.5	286.2	283.0	289.1	289.3	284.7	282.3	-9999.0