1957 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	188.9	185.7	184.9	186.1	182.8	178.7	177.4	180.1	179.7	181.3	185.6	191.6	185.0	182.1	178.2	178.8	184.4	183.9	183.5	180.2	181.4	180.1	179.4	176.6	172.5	171.2	171.2	171.0	172.6	171.7	176.2
34	Hudson Bay	187.9	184.3	199.2	198.0	204.9	193.2	192.1	195.2	208.2	177.7	185.8	212.7	200.3	191.2	194.7	199.1	214.2	233.7	226.7	215.4	213.8	204.5	205.2	210.7	202.0	205.0	192.1	179.6	180.3	170.9	173.0
36	Hudson Strait	231.4	243.2	242.2	218.7	167.4	163.1	175.8	184.6	167.4	175.6	209.7	209.0	193.3	177.1	147.5	142.2	154.8	162.1	237.7	212.8	245.5	214.1	154.0	181.0	170.8	214.7	227.0	184.2	233.9	251.7	214.1
98	Bering Strait	187.0	200.3	198.8	196.6	184.2	189.0	186.2	185.3	185.2	212.4	223.0	211.7	203.5	192.3	184.5	177.4	162.3	156.6	153.9	147.0	146.8	141.7	148.3	143.0	154.2	153.7	152.4	158.5	147.1	157.5	176.3
128	Arctic subocean	110.4	119.1	117.7	122.7	119.2	122.0	116.6	115.2	115.8	103.0	103.8	104.1	92.1	95.2	128.2	131.7	118.7	123.6	121.4	127.4	111.9	103.6	109.9	124.1	119.7	130.0	134.2	120.9	112.3	117.8	140.6
130	Chukchi Sea	181.0	199.6	188.6	192.8	169.0	160.0	169.2	155.5	185.5	217.0	190.0	183.4	191.3	183.4	155.8	157.0	134.4	124.4	131.0	145.8	134.8	133.2	127.0	118.0	119.2	120.7	127.5	124.2	121.4	120.8	130.7
132	Beaufort Sea	188.1	183.3	191.7	198.2	180.5	181.7	180.4	207.6	200.0	198.5	244.2	234.2	188.4	195.8	187.2	182.1	211.5	189.1	184.6	167.7	165.5	163.5	170.6	173.3	161.5	171.7	162.8	176.0	182.1	168.4	174.6
134	Arctic Archipelago	157.7	153.4	153.7	154.9	154.4	160.4	150.5	146.6	153.8	158.6	140.6	131.9	123.9	129.8	119.7	128.0	140.1	143.0	125.3	125.9	134.4	132.1	127.3	117.0	125.8	112.9	122.3	133.5	153.7	158.9	151.0
136	Foxe Basin	187.7	200.8	192.0	206.9	200.4	171.3	169.5	171.3	169.2	172.1	170.5	180.3	168.9	145.1	144.2	138.3	123.8	140.1	168.2	164.2	151.8	200.6	171.1	130.4	150.5	125.1	118.0	124.1	131.3	151.4	176.5
138	Baffin Bay	120.8	115.2	117.0	130.6	129.1	124.7	121.5	118.0	102.1	106.2	106.9	102.6	112.7	124.7	112.8	90.0	87.9	89.3	90.1	95.8	104.0	110.8	142.9	135.4	102.4	98.7	98.1	106.2	101.7	98.3	114.5
139	South Greenland	158.4	160.9	170.7	164.9	156.4	137.2	133.5	130.5	131.0	145.8	130.8	163.7	185.4	204.3	149.0	123.4	117.5	120.1	111.9	118.5	124.2	143.8	169.9	147.3	136.5	139.5	150.2	158.7	140.7	120.1	121.3
140	Greenland Sea	94.4	95.3	94.6	96.4	105.9	116.8	102.1	92.1	92.1	90.4	95.2	89.3	86.8	126.2	154.1	127.6	110.4	96.6	134.7	156.4	142.6	113.8	105.5	105.9	141.8	161.8	170.3	144.3	142.8	118.6	106.4
142	Norwegian Sea	281.4	271.9	293.0	278.1	252.7	277.9	224.3	198.8	195.5	199.5	204.3	198.8	206.9	215.9	266.4	259.4	245.5	251.2	265.0	261.6	246.4	250.3	249.8	260.3	250.4	264.2	270.5	247.2	232.6	210.9	215.6
144	Barents Sea	219.0	228.3	219.0	228.7	233.3	192.7	229.0	216.9	218.2	233.6	228.1	203.0	197.7	201.4	199.9	214.8	236.3	238.5	232.7	230.1	232.0	215.5	220.7	204.0	221.2	231.4	240.5	235.5	245.2	226.9	219.6
146	Kara Sea	201.3	196.4	191.7	196.8	198.5	200.9	196.2	196.5	200.8	207.7	211.1	224.9	220.1	203.5	200.0	209.1	213.3	206.9	200.0	200.8	207.1	205.6	201.4	197.2	184.2	176.3	177.9	186.3	196.0	205.5	217.3
148	Laptev Sea	202.4	186.9	173.2	168.4	160.2	158.9	160.8	173.3	153.4	150.6	137.6	136.9	146.0	152.7	161.2	161.6	170.3	172.2	184.6	176.7	166.7	172.7	169.8	169.7	173.6	167.6	167.3	154.0	138.2	138.3	139.4
150	East Siberian Sea	166.1	155.8	164.1	162.1	159.8	154.9	141.0	139.5	128.9	145.6	170.0	179.9	164.1	167.5	169.2	167.9	152.5	156.4	160.3	167.4	174.8	177.7	166.8	170.0	166.0	157.2	151.9	161.3	166.9	161.6	165.4
152	Gulf of Alaska	223.7	247.4	233.8	215.5	230.4	228.5	233.9	208.0	222.4	248.5	237.6	231.2	235.4	220.5	202.8	195.7	176.4	179.2	174.1	173.5	184.7	192.6	182.9	181.3	178.4	168.4	203.8	194.4	181.6	217.9	220.1
154	Southeast Bering Sea	254.7	242.7	219.7	231.6	231.5	214.3	214.0	199.9	264.7	227.7	230.1	256.3	241.4	207.6	177.0	173.0	166.0	159.6	136.9	136.9	137.8	164.7	155.9	145.8	147.0	134.2	142.5	147.9	146.4	156.7	147.4