1983 09 - daily  - mean of NCEP mean Daily Downward Longwave Radiation 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	289.6	290.0	286.5	285.1	281.8	278.6	277.8	276.3	271.8	268.7	267.8	266.6	265.7	266.6	266.9	265.8	264.6	258.9	252.2	252.5	253.7	255.4	256.6	255.2	257.1	255.7	251.0	250.6	246.7	247.4	-9999.0
34	Hudson Bay	347.8	349.9	336.1	327.5	319.7	311.2	303.0	308.2	312.7	298.1	289.7	274.3	271.8	275.9	279.3	282.5	293.5	290.8	277.4	270.4	261.2	246.0	269.9	289.1	296.0	292.3	291.9	295.3	262.0	268.0	-9999.0
36	Hudson Strait	286.3	283.5	299.1	335.1	315.0	281.7	292.5	289.4	241.6	237.4	266.8	272.0	254.9	260.7	255.3	260.1	252.1	244.2	263.7	259.6	284.5	280.6	264.9	253.5	280.1	286.7	265.9	249.3	263.7	248.7	-9999.0
98	Bering Strait	276.8	261.0	240.7	257.8	266.8	253.7	255.4	267.5	263.4	260.7	249.7	250.2	240.5	242.7	251.6	242.3	238.8	226.6	224.9	251.6	269.0	264.4	243.3	236.4	225.9	216.2	202.7	228.7	259.6	269.5	-9999.0
128	Arctic subocean	212.8	217.3	225.4	230.8	220.9	230.8	215.0	217.3	207.0	219.7	216.5	202.5	191.2	179.5	186.2	200.8	206.7	202.3	189.8	194.3	179.0	166.8	178.0	179.1	205.0	202.5	172.1	170.4	205.7	208.0	-9999.0
130	Chukchi Sea	232.5	255.9	248.1	264.8	248.1	270.8	261.9	261.2	270.1	251.7	280.7	277.6	266.4	269.1	238.7	240.0	250.2	218.1	213.0	220.6	225.1	197.5	204.2	206.9	225.0	242.8	261.8	241.9	259.1	290.0	-9999.0
132	Beaufort Sea	298.6	302.6	296.3	284.1	277.9	277.9	273.3	257.9	261.3	259.5	266.4	264.7	270.7	282.3	277.9	269.9	252.7	233.1	226.3	238.5	259.4	283.7	278.5	266.3	266.4	264.3	235.0	206.4	212.7	246.3	-9999.0
134	Arctic Archipelago	288.1	274.8	269.6	278.2	266.9	271.5	266.6	260.5	258.0	260.0	247.5	239.5	242.5	249.8	268.5	271.4	260.7	237.7	217.6	219.3	223.0	239.7	248.5	229.2	214.8	216.0	219.1	245.7	254.4	229.9	-9999.0
136	Foxe Basin	260.2	269.2	289.6	271.6	244.9	247.2	248.6	245.4	248.4	248.8	237.2	247.8	229.9	232.3	244.4	254.9	251.2	252.5	242.2	229.5	224.4	240.1	243.6	240.5	229.8	225.6	226.2	218.7	223.3	238.0	-9999.0
138	Baffin Bay	184.9	205.0	205.8	204.7	209.2	210.0	198.3	197.4	191.3	185.0	181.8	180.5	180.7	175.6	160.1	168.4	182.8	199.3	185.6	188.2	190.4	191.5	184.7	161.1	171.0	169.3	149.5	152.4	171.3	174.1	-9999.0
139	South Greenland	170.2	172.7	171.9	161.4	165.9	191.1	226.4	232.8	218.5	211.6	231.5	245.8	227.4	237.3	238.9	229.8	212.0	192.5	179.8	173.5	162.9	171.1	220.3	228.4	188.7	165.3	178.0	198.6	183.7	180.0	-9999.0
140	Greenland Sea	166.0	184.7	198.9	179.9	186.9	197.7	180.6	182.1	187.5	181.1	186.5	187.3	172.6	180.1	171.9	176.5	187.8	173.4	174.2	165.5	149.1	145.6	153.9	145.0	155.3	186.9	156.7	126.2	129.5	139.5	-9999.0
142	Norwegian Sea	297.1	332.8	324.7	323.1	312.9	313.0	316.6	277.6	288.0	299.8	311.2	295.4	297.3	300.5	293.5	301.2	296.5	310.8	300.2	299.0	283.7	272.3	282.8	261.1	290.0	273.2	274.6	251.0	250.1	255.2	-9999.0
144	Barents Sea	291.3	279.9	292.9	292.9	286.7	290.6	287.5	282.3	281.7	281.0	269.9	287.7	306.6	296.1	291.1	277.9	285.4	295.5	316.1	309.8	306.9	297.1	303.9	303.4	296.3	292.1	271.7	286.0	280.0	279.1	-9999.0
146	Kara Sea	305.2	305.5	296.4	294.6	294.0	290.3	289.0	290.6	289.4	284.1	280.1	278.7	281.3	279.8	280.0	275.0	277.0	273.4	263.3	265.3	267.1	268.8	267.1	268.2	274.7	274.7	273.7	268.4	270.7	269.9	-9999.0
148	Laptev Sea	306.5	310.7	313.8	307.8	299.1	304.1	302.2	286.5	281.0	290.9	295.0	293.9	290.4	284.4	278.8	287.6	282.9	280.0	267.3	255.4	251.7	262.2	249.3	249.1	255.1	260.2	260.1	253.0	241.5	232.4	-9999.0
150	East Siberian Sea	254.2	256.3	269.2	293.6	306.1	257.5	268.3	280.4	233.2	228.6	234.5	234.1	232.5	235.4	255.0	261.9	255.7	253.0	254.7	261.1	270.3	270.2	268.7	255.4	268.5	261.3	260.0	261.0	233.1	210.5	-9999.0
152	Gulf of Alaska	299.1	290.1	274.3	276.6	258.2	239.3	243.5	258.5	261.2	257.7	249.2	264.8	255.4	281.0	268.7	247.5	232.8	232.4	281.2	313.4	307.2	299.4	271.0	247.8	226.1	204.6	215.9	266.5	277.6	298.6	-9999.0
154	Southeast Bering Sea	313.2	266.1	280.3	263.2	277.1	275.5	274.9	285.9	281.9	287.9	277.8	289.4	299.1	271.5	264.1	253.8	250.2	268.3	293.5	305.1	296.9	277.4	211.7	204.3	197.1	205.6	262.1	308.6	316.9	293.5	-9999.0