1956 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	158.6	154.3	149.8	147.1	147.3	147.9	148.5	148.3	148.7	146.4	146.7	149.1	149.9	148.2	147.9	145.4	141.7	145.2	149.1	150.4	150.1	148.8	150.1	152.3	157.1	156.4	152.2	150.5	150.7	148.7	145.0
34	Hudson Bay	193.3	190.7	161.7	148.5	143.6	142.2	135.4	135.3	143.0	147.3	137.9	130.0	129.2	141.4	150.6	146.1	132.9	158.6	174.2	177.1	164.3	159.2	169.7	171.6	176.2	185.7	185.2	172.0	161.2	161.9	148.0
36	Hudson Strait	146.2	137.6	146.5	153.4	146.9	143.6	133.8	133.4	123.8	114.1	109.9	115.7	114.2	114.0	119.0	151.5	127.0	121.4	115.3	111.2	113.6	122.1	133.6	136.9	133.2	119.2	121.5	136.1	135.3	130.0	161.5
98	Bering Strait	156.5	154.5	162.6	168.8	177.0	166.0	151.9	142.0	130.8	121.0	122.6	134.1	129.9	126.0	129.4	134.7	137.4	129.2	141.0	147.4	139.2	136.4	139.0	145.1	153.0	151.8	154.9	166.5	172.9	162.4	150.9
128	Arctic subocean	131.7	130.3	127.8	125.6	117.2	109.0	115.1	128.0	125.4	134.8	125.0	127.3	123.5	117.9	122.5	130.5	126.9	117.6	122.5	132.0	130.7	124.8	118.5	113.2	122.4	126.9	118.1	109.1	106.1	117.5	113.9
130	Chukchi Sea	165.6	186.9	186.4	184.6	179.8	179.7	166.6	160.4	149.3	125.1	134.8	151.6	141.3	133.2	129.6	127.7	126.7	121.1	123.1	131.5	137.6	141.1	135.9	127.4	129.9	135.4	129.1	127.3	126.6	116.7	115.9
132	Beaufort Sea	185.0	149.1	128.9	131.2	144.1	148.2	136.7	129.3	132.2	129.0	120.6	123.6	131.2	130.1	126.4	121.7	138.8	154.1	155.3	159.2	159.6	155.6	159.0	172.8	189.5	187.7	181.4	188.2	202.4	187.9	169.9
134	Arctic Archipelago	140.9	129.5	124.1	122.8	124.7	122.3	112.5	118.0	121.9	118.0	118.2	118.7	116.6	116.3	115.0	110.4	109.9	112.7	112.1	117.3	124.9	123.6	123.5	126.5	132.0	130.7	119.5	115.3	119.0	124.0	131.9
136	Foxe Basin	120.0	121.3	131.0	147.0	139.9	124.3	119.1	110.9	106.1	107.5	107.1	105.3	102.7	102.1	106.5	114.3	117.7	117.4	111.0	109.0	108.6	112.0	117.2	118.5	114.7	114.6	118.6	123.2	117.6	121.0	135.4
138	Baffin Bay	108.0	113.0	112.8	106.4	107.0	110.9	114.7	117.2	117.2	124.0	119.3	116.8	107.3	108.6	110.2	110.0	111.9	109.7	125.8	124.8	122.9	105.4	99.9	92.4	123.0	126.3	110.4	102.5	121.0	121.1	113.0
139	South Greenland	123.2	124.3	132.2	121.0	115.4	118.4	136.7	133.9	141.7	134.9	131.0	128.4	128.1	126.4	133.5	128.0	120.3	132.8	136.8	133.7	133.3	130.4	121.1	133.3	156.8	140.4	133.4	152.3	161.0	149.3	153.2
140	Greenland Sea	140.1	137.1	118.8	112.4	100.7	97.7	109.4	130.2	129.7	136.5	135.5	130.1	122.5	124.0	133.3	134.8	122.6	105.9	117.2	129.1	142.9	127.6	136.3	121.3	146.5	150.3	120.4	110.4	133.0	133.8	119.7
142	Norwegian Sea	209.4	212.8	203.8	212.7	211.6	209.5	209.5	221.1	225.4	225.3	229.6	215.2	215.6	219.1	228.0	226.9	222.9	230.1	226.0	223.7	214.2	199.5	186.3	188.3	192.2	191.5	198.7	202.7	195.1	198.4	209.7
144	Barents Sea	187.2	189.7	194.3	195.7	194.7	187.2	184.4	184.9	185.1	181.7	181.0	186.8	194.7	185.4	193.6	203.6	208.0	214.6	212.6	199.6	189.7	182.7	180.2	194.3	203.4	192.5	192.1	193.5	188.8	190.8	185.9
146	Kara Sea	165.7	162.3	160.1	159.2	160.2	166.4	170.1	173.8	174.9	169.2	168.4	170.4	172.6	165.7	160.9	159.0	155.7	154.6	157.0	159.1	164.2	167.4	168.0	166.1	161.2	158.7	153.4	147.7	146.6	146.0	145.3
148	Laptev Sea	130.1	128.4	127.7	126.8	125.1	123.2	128.8	131.9	133.5	134.6	151.3	161.0	164.8	164.0	156.5	142.8	130.9	128.9	127.1	127.1	128.8	126.9	126.9	129.7	132.2	133.1	130.6	128.1	124.5	127.6	126.5
150	East Siberian Sea	133.8	146.3	163.4	151.9	148.2	154.0	182.4	169.3	147.9	148.2	155.0	163.0	155.7	143.0	130.4	122.0	123.2	122.4	121.1	127.2	131.4	133.4	128.2	116.6	114.8	116.9	117.4	114.8	109.7	108.7	114.0
152	Gulf of Alaska	166.6	150.7	161.5	167.2	174.1	175.4	162.0	144.7	145.2	142.2	146.2	149.6	149.5	156.6	168.7	181.9	187.8	174.5	195.6	181.7	160.8	177.6	187.9	202.6	203.6	206.3	205.0	225.7	219.5	212.1	205.5
154	Southeast Bering Sea	162.9	173.0	179.1	184.2	201.5	190.8	172.5	145.3	147.7	145.0	133.0	132.4	138.6	149.5	185.6	205.2	183.3	148.2	137.4	126.0	138.9	156.1	156.8	170.1	180.2	181.1	181.6	194.8	199.3	172.7	165.5