1973 12 - 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	189.3	184.6	183.2	181.6	181.4	184.3	184.5	185.0	180.3	179.5	178.6	179.2	179.3	177.9	176.3	181.6	178.5	179.3	183.1	189.1	189.9	186.2	183.4	184.7	187.1	187.4	188.0	186.9	182.8	180.2	178.6
34	Hudson Bay	217.3	228.8	220.6	198.4	196.2	204.2	218.4	227.7	199.2	192.9	191.1	177.9	165.6	161.8	158.3	175.1	179.4	179.0	174.4	189.9	201.1	199.2	195.3	201.6	213.3	211.7	206.9	211.5	185.5	168.0	141.9
36	Hudson Strait	239.6	182.0	212.5	227.6	206.8	192.8	183.0	195.1	206.1	208.1	197.5	159.5	194.8	185.5	164.1	173.7	202.0	238.6	239.7	217.6	164.3	177.5	214.5	175.8	204.9	189.9	157.5	191.1	208.7	205.1	195.4
98	Bering Strait	178.9	166.5	166.0	170.5	175.0	181.2	176.8	174.6	184.2	201.3	188.3	183.5	197.2	191.8	168.8	181.8	178.9	196.1	229.5	220.1	211.8	172.2	161.9	169.0	187.8	213.2	227.1	209.7	201.3	199.7	209.8
128	Arctic subocean	145.8	151.2	150.3	157.4	142.7	132.9	141.9	132.1	123.0	147.7	150.6	160.3	170.2	163.8	128.7	132.0	167.8	187.3	139.3	131.1	127.2	136.7	150.3	161.1	156.2	131.6	118.0	114.3	117.8	116.5	129.2
130	Chukchi Sea	169.7	163.5	160.8	172.1	162.7	158.5	153.0	168.0	187.5	182.4	196.8	180.5	155.7	156.2	142.7	150.3	148.5	152.3	170.3	203.2	208.2	171.1	132.0	130.0	142.4	196.5	246.0	234.9	211.1	207.3	215.9
132	Beaufort Sea	188.7	185.9	191.6	197.8	197.5	208.2	195.2	178.9	174.2	194.4	177.8	179.3	185.8	172.9	178.9	218.6	188.4	176.0	232.5	239.5	234.3	226.2	197.9	185.8	201.9	204.6	192.8	165.9	161.9	165.1	185.0
134	Arctic Archipelago	190.9	182.3	162.5	155.2	165.2	171.1	162.4	161.0	151.9	148.0	139.0	143.5	145.2	145.9	142.0	162.0	179.4	152.2	149.5	176.8	181.5	203.8	215.8	195.9	167.5	138.1	134.8	131.9	123.9	130.5	154.5
136	Foxe Basin	170.6	158.6	171.8	167.5	161.6	159.7	156.7	182.2	162.7	149.2	147.6	145.7	134.8	133.5	149.0	138.9	130.6	138.6	148.6	163.8	161.5	155.0	135.5	143.5	190.2	195.5	145.1	134.0	129.4	142.9	154.4
138	Baffin Bay	173.0	170.0	171.2	151.5	134.6	158.3	157.0	117.7	113.5	109.1	110.4	115.0	126.0	126.3	114.2	112.0	117.0	135.7	112.5	123.0	134.1	122.4	106.1	125.5	143.4	137.4	126.2	103.9	96.2	94.2	99.6
139	South Greenland	217.5	192.4	160.5	148.5	152.9	155.5	157.6	176.2	141.6	134.2	142.3	126.5	130.7	168.6	149.1	137.2	111.3	106.4	148.8	175.8	162.6	147.3	160.0	172.8	145.2	124.9	124.5	118.8	115.6	126.7	137.5
140	Greenland Sea	151.1	166.4	153.2	128.5	109.2	105.7	112.7	120.9	121.7	101.8	101.5	114.4	124.8	110.4	93.3	77.1	95.8	139.9	133.7	107.0	109.8	105.4	91.1	105.7	111.6	111.9	113.1	112.1	117.7	131.4	109.0
142	Norwegian Sea	217.7	267.4	265.2	253.6	249.2	235.2	228.5	203.2	230.1	280.0	251.1	235.5	239.3	236.3	230.5	243.2	239.9	227.9	221.6	227.7	244.6	251.1	213.9	224.9	252.5	267.9	279.0	254.0	286.7	264.9	250.3
144	Barents Sea	208.6	190.3	195.7	195.3	192.9	188.0	196.1	200.0	191.2	184.9	223.4	238.3	217.8	201.1	197.8	192.0	202.8	237.7	227.0	222.0	201.1	191.1	218.9	226.8	211.1	225.3	256.9	257.9	226.3	226.7	249.4
146	Kara Sea	176.1	173.9	182.9	191.5	194.3	194.6	193.9	199.9	201.2	200.3	205.4	211.8	216.1	210.8	206.3	206.1	203.7	197.1	192.5	201.7	209.3	205.4	190.2	193.6	197.9	201.0	203.0	216.1	224.7	211.8	198.7
148	Laptev Sea	172.7	169.1	164.0	163.5	164.5	168.7	169.4	156.7	161.2	155.1	146.5	155.9	151.3	159.9	177.8	174.7	164.0	156.1	142.9	143.0	148.3	162.4	177.7	176.3	171.8	166.0	168.9	153.9	157.9	176.6	182.5
150	East Siberian Sea	217.5	196.0	185.7	181.1	172.1	169.3	163.3	162.7	165.5	156.9	157.5	152.8	157.0	162.5	169.4	166.0	161.4	175.2	181.4	180.9	180.4	163.7	166.6	158.1	143.3	146.7	156.5	173.6	167.0	156.7	148.8
152	Gulf of Alaska	189.1	178.7	186.4	210.5	233.8	221.4	221.9	237.7	252.4	250.6	221.7	216.8	211.9	209.6	230.9	216.2	225.0	259.1	277.0	256.2	216.4	179.4	203.8	246.8	244.2	253.5	243.0	226.6	226.6	206.5	209.3
154	Southeast Bering Sea	184.6	196.3	180.9	176.9	196.8	203.6	201.0	226.6	228.5	243.5	222.7	219.0	198.2	194.0	203.2	218.8	209.7	209.0	224.4	190.2	187.1	221.3	231.1	220.8	262.6	282.5	242.8	267.2	235.7	237.6	252.9