1963 12 - 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	159.3	164.6	166.0	159.6	153.8	152.1	151.3	147.4	146.4	149.0	149.3	148.0	147.1	146.4	144.6	147.3	148.5	147.5	150.8	153.2	149.4	148.4	151.3	152.8	151.1	147.3	145.1	145.2	145.3	150.0	156.6
34	Hudson Bay	162.6	168.6	175.3	177.5	186.5	189.4	181.9	169.0	156.5	150.3	152.0	150.2	144.2	139.1	138.2	139.3	138.1	139.4	144.4	154.0	161.7	162.1	180.0	181.2	161.6	145.8	139.3	138.6	139.0	153.3	188.0
36	Hudson Strait	193.5	163.4	143.4	130.8	137.7	139.7	142.0	131.5	122.4	122.9	119.7	124.6	133.7	135.8	165.1	177.6	172.9	189.1	182.0	176.1	172.2	155.9	156.4	161.2	159.8	143.6	144.5	131.4	126.0	124.3	122.8
98	Bering Strait	164.6	179.1	184.5	175.9	161.2	154.8	157.6	158.2	176.1	181.3	184.4	196.9	178.5	171.0	177.8	176.0	175.5	161.3	157.6	171.6	181.4	187.9	175.6	163.9	159.8	159.8	165.7	172.2	176.9	174.8	173.3
128	Arctic subocean	98.1	104.3	115.9	119.4	125.7	121.0	112.7	114.1	119.5	121.9	121.8	116.5	129.4	130.9	111.7	112.3	118.8	125.1	144.9	141.4	116.9	116.6	123.6	124.9	129.2	130.4	107.4	103.3	119.2	122.4	119.1
130	Chukchi Sea	139.0	146.8	161.6	144.5	142.4	149.4	164.9	173.5	172.8	133.7	172.8	177.5	156.0	165.9	192.8	193.7	185.2	171.8	152.8	161.1	185.8	189.0	170.1	163.3	152.1	149.3	161.0	162.7	170.4	165.3	151.2
132	Beaufort Sea	182.3	201.2	208.4	210.5	194.8	179.9	169.8	162.4	163.2	175.3	169.1	155.9	170.4	160.6	148.3	143.6	137.3	129.6	144.5	153.4	156.3	167.9	172.6	159.7	150.5	146.6	151.0	160.4	177.4	203.0	202.7
134	Arctic Archipelago	127.5	125.8	137.6	135.8	138.1	131.4	132.1	129.1	131.5	141.9	138.0	120.3	124.4	133.0	125.0	114.7	124.3	161.5	173.8	167.0	159.1	147.2	135.3	126.9	132.4	132.3	132.0	129.0	135.3	142.9	143.5
136	Foxe Basin	147.6	137.5	121.5	116.2	117.1	115.5	113.9	114.9	112.6	113.8	111.3	118.2	116.6	121.0	141.0	173.1	202.0	203.1	175.3	155.1	145.0	130.1	122.8	132.3	139.1	148.8	148.2	130.7	109.8	107.1	111.5
138	Baffin Bay	96.9	132.1	145.8	137.0	116.7	112.2	120.3	103.9	97.4	102.7	112.2	120.0	126.4	125.1	123.2	142.7	156.0	143.3	132.5	127.5	114.5	117.8	115.7	117.5	109.9	107.9	105.1	100.9	96.9	96.7	94.9
139	South Greenland	140.6	176.1	184.7	145.7	127.8	151.3	152.1	134.1	121.3	144.5	147.0	167.1	168.4	166.2	159.4	159.9	164.8	158.8	143.3	142.4	134.9	130.6	118.3	110.4	115.6	118.5	126.0	135.0	122.3	116.6	115.0
140	Greenland Sea	86.3	117.6	147.9	138.1	120.5	113.7	118.4	117.4	106.6	110.6	120.2	119.9	129.7	134.0	119.4	135.6	135.8	124.2	112.2	105.6	100.8	107.3	111.6	112.3	107.0	102.2	92.9	95.6	96.8	93.6	90.7
142	Norwegian Sea	227.2	228.4	220.5	224.3	229.6	222.3	202.6	208.7	215.3	215.6	205.6	202.7	216.2	207.4	211.5	198.8	183.1	176.8	172.2	168.0	178.8	190.9	217.5	223.5	215.8	212.0	212.1	231.3	241.4	232.2	219.4
144	Barents Sea	206.0	201.4	193.1	172.2	165.5	174.3	185.4	178.5	166.1	158.6	155.3	151.4	151.0	154.5	155.7	151.9	142.8	141.1	140.1	150.7	159.0	154.3	158.1	176.9	177.7	184.0	184.1	173.9	179.5	208.2	207.4
146	Kara Sea	169.0	171.6	169.7	161.2	152.1	151.1	150.3	154.7	162.5	168.4	166.8	163.5	157.0	149.8	142.7	153.9	157.2	150.9	165.6	163.1	146.2	145.1	152.6	158.1	158.6	151.8	149.5	153.3	152.3	155.9	165.5
148	Laptev Sea	146.5	140.7	135.6	137.9	136.0	127.3	128.5	119.9	113.8	109.0	109.3	114.5	121.5	129.1	130.1	125.5	128.5	135.9	124.3	129.1	130.0	122.8	121.9	130.0	141.9	143.5	134.0	126.1	119.1	112.5	114.9
150	East Siberian Sea	134.5	127.1	118.4	114.1	113.6	114.1	108.0	111.7	108.7	117.3	118.0	104.3	108.4	127.2	144.6	149.8	154.1	154.0	156.7	149.9	138.7	139.3	146.1	144.7	142.4	143.9	141.8	136.3	129.7	124.7	120.6
152	Gulf of Alaska	218.9	222.5	222.7	213.4	199.4	191.0	189.0	185.7	210.5	224.1	232.8	233.0	199.8	193.9	183.5	173.3	168.6	175.8	205.3	210.2	210.0	215.5	197.1	200.0	197.0	201.6	208.8	212.8	215.4	209.7	211.1
154	Southeast Bering Sea	186.5	202.6	207.2	186.9	172.3	176.7	200.6	219.7	226.1	187.7	206.5	203.5	187.2	215.7	224.3	209.9	196.8	178.0	184.3	206.1	232.9	223.1	203.7	199.4	197.0	198.4	204.0	211.0	215.8	192.3	181.8