1964 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	175.8	182.1	184.4	180.9	179.1	183.6	184.5	186.7	187.7	185.9	189.3	188.5	185.2	177.7	178.1	174.5	172.1	170.5	168.9	171.1	175.3	171.2	165.4	167.8	172.9	170.9	170.3	171.0	171.3	164.8	158.2
34	Hudson Bay	173.8	164.1	157.7	162.4	170.2	186.3	200.5	205.8	220.8	215.4	226.6	212.1	207.1	180.9	174.7	167.6	155.4	148.9	148.9	158.5	170.3	179.9	178.9	176.3	177.8	162.9	163.9	184.2	187.8	178.1	162.2
36	Hudson Strait	163.9	222.4	234.5	210.5	167.5	157.2	154.7	164.4	170.6	206.0	223.6	233.6	222.3	220.3	205.4	163.0	153.5	136.8	164.0	153.3	138.5	172.8	177.2	157.3	228.9	209.5	212.1	143.1	156.0	184.0	177.7
98	Bering Strait	154.8	178.2	180.3	189.3	191.7	193.3	193.2	179.6	159.3	149.0	129.7	146.3	138.9	144.9	162.7	187.8	178.0	186.3	182.4	175.6	218.7	192.2	180.2	185.1	169.8	163.9	144.8	148.6	151.7	153.5	138.8
128	Arctic subocean	135.7	143.8	145.2	133.1	110.5	111.8	107.8	107.8	99.2	117.7	137.4	147.8	131.7	132.2	131.5	136.5	136.5	151.8	139.1	144.0	151.8	145.7	142.8	129.9	137.3	144.2	119.6	108.1	122.2	120.1	114.5
130	Chukchi Sea	159.8	151.0	149.3	124.5	124.6	131.8	135.7	125.6	118.8	112.4	110.5	127.8	140.2	152.2	147.1	158.9	164.6	190.6	228.7	247.1	226.3	200.0	221.8	174.5	134.9	164.2	171.0	144.2	147.0	160.2	118.1
132	Beaufort Sea	164.3	181.1	180.6	187.7	194.8	227.9	228.8	226.2	202.0	174.0	164.8	165.5	160.2	146.2	149.9	142.8	158.0	153.6	152.8	162.9	174.7	170.9	160.3	156.5	160.7	147.5	161.8	163.0	160.8	150.0	151.5
134	Arctic Archipelago	172.6	167.2	171.3	162.5	171.1	188.4	183.4	176.8	199.7	196.9	186.5	167.8	154.3	157.5	164.7	150.0	139.9	155.1	163.9	160.6	151.0	151.8	141.4	139.7	129.1	132.2	128.4	131.3	134.5	127.2	142.0
136	Foxe Basin	140.2	144.5	169.0	176.4	154.2	180.8	191.3	197.7	162.7	207.2	218.3	164.7	164.5	144.1	133.6	169.3	171.6	158.8	153.2	146.1	156.2	161.5	183.0	190.0	153.9	181.4	154.8	143.8	144.2	191.6	190.0
138	Baffin Bay	108.1	127.5	128.3	154.7	135.4	119.9	118.2	117.2	102.1	122.0	148.4	166.1	142.3	121.8	135.9	133.8	137.3	149.5	129.4	133.5	122.5	100.3	120.1	142.1	170.1	142.3	132.1	122.5	116.9	107.4	130.9
139	South Greenland	144.3	147.9	198.1	179.5	146.9	134.6	137.3	136.0	130.9	120.8	127.2	141.4	141.2	138.7	149.9	149.8	171.2	144.1	144.4	179.3	154.3	138.6	137.3	154.0	151.3	172.0	167.0	170.2	138.6	134.9	138.0
140	Greenland Sea	105.2	110.5	105.8	134.0	134.8	121.9	130.3	126.6	110.2	95.8	100.0	123.0	126.4	149.6	135.9	129.5	129.1	154.4	126.3	147.7	135.3	129.7	116.7	112.9	120.7	127.3	112.7	117.3	130.8	112.4	99.5
142	Norwegian Sea	212.1	250.3	259.5	239.8	219.5	234.1	252.3	264.5	269.6	254.9	252.3	273.2	249.0	212.8	237.4	234.6	233.0	229.4	246.3	253.5	263.9	280.0	260.4	231.0	233.1	227.0	218.8	223.0	233.9	247.5	247.4
144	Barents Sea	169.8	182.9	235.4	224.6	225.4	278.1	251.4	239.9	247.3	264.1	245.8	238.5	237.8	245.6	232.3	225.5	229.0	210.9	187.8	174.6	183.8	189.0	196.7	207.4	206.6	220.2	209.7	186.0	180.2	194.8	216.6
146	Kara Sea	201.3	207.3	206.9	200.2	198.4	185.8	187.8	196.9	205.4	206.0	222.5	222.1	215.7	206.9	200.7	196.7	198.7	193.0	189.3	187.7	196.1	193.6	182.4	186.0	197.7	199.8	197.0	203.1	208.3	192.9	179.3
148	Laptev Sea	184.2	187.7	177.4	161.5	158.0	162.3	162.3	168.3	168.8	173.4	163.2	158.9	168.4	159.8	162.3	157.3	147.7	148.1	153.7	159.4	154.4	142.3	136.4	140.9	143.8	145.8	162.4	155.2	151.9	143.4	141.3
150	East Siberian Sea	171.1	168.3	155.3	158.6	167.1	163.4	154.0	161.8	174.5	160.1	169.3	191.1	187.5	188.2	194.5	185.0	163.0	192.4	202.3	175.4	160.1	162.2	151.1	149.4	179.7	164.8	141.2	150.8	150.5	135.3	119.5
152	Gulf of Alaska	207.1	228.3	228.5	244.6	252.3	254.1	265.5	229.5	175.1	160.8	160.3	146.7	145.8	140.9	172.4	229.7	209.3	179.2	163.7	167.1	213.3	180.6	165.3	193.1	187.3	175.5	159.5	162.8	148.1	182.0	178.1
154	Southeast Bering Sea	221.8	246.8	209.1	193.9	174.9	159.1	164.2	167.4	144.4	171.8	176.1	129.7	152.3	191.6	248.6	222.2	216.3	232.1	201.1	198.8	227.7	195.8	187.6	204.6	147.1	149.9	216.7	168.2	193.2	237.8	158.9