1957 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	155.7	153.2	153.5	153.1	150.8	147.6	147.4	148.2	148.6	149.9	152.4	155.5	154.4	150.4	146.5	146.9	150.7	151.8	151.8	150.1	149.9	148.0	148.5	146.2	142.1	138.3	136.7	137.3	138.4	138.8	142.4
34	Hudson Bay	159.7	155.5	166.8	169.5	172.8	165.3	164.4	164.5	173.3	155.1	159.0	171.4	169.8	163.8	167.3	168.7	180.7	196.2	196.2	184.9	180.4	169.9	172.8	179.1	177.3	167.6	155.9	148.8	148.9	142.2	145.8
36	Hudson Strait	174.7	177.3	182.2	168.9	146.8	141.0	148.9	143.9	141.6	149.4	168.4	169.6	154.5	145.6	130.6	123.0	126.9	131.0	183.2	189.2	200.3	185.1	142.1	148.6	147.5	173.5	182.1	155.5	182.9	190.8	163.1
98	Bering Strait	158.2	166.0	164.7	159.2	158.1	158.2	155.1	148.6	151.9	174.9	177.4	171.2	168.7	159.9	150.7	145.2	132.7	123.6	123.5	124.1	125.6	124.5	126.5	123.1	125.7	125.6	128.1	131.2	124.4	134.2	143.6
128	Arctic subocean	97.4	102.4	104.6	111.9	114.0	115.3	111.6	110.8	107.6	97.6	99.0	96.8	85.6	87.0	102.1	107.8	102.2	104.7	103.8	109.8	101.8	93.3	96.0	106.4	101.1	104.9	108.5	103.5	98.1	99.4	116.5
130	Chukchi Sea	155.2	165.1	161.1	157.7	152.0	141.7	140.2	130.6	149.4	176.8	167.7	160.2	157.1	154.1	141.0	134.8	120.7	110.6	114.2	118.9	119.9	123.9	118.4	108.9	107.0	110.0	111.1	112.1	109.7	110.2	116.6
132	Beaufort Sea	158.2	156.9	161.8	161.2	153.2	156.4	161.3	175.1	169.2	171.1	194.5	186.0	164.9	162.7	158.1	153.6	167.0	154.3	145.0	135.9	132.5	130.9	140.9	142.0	133.7	134.8	131.6	145.1	148.3	143.8	154.8
134	Arctic Archipelago	126.4	123.9	124.7	129.2	130.9	132.6	132.6	133.3	133.9	134.0	123.4	116.4	111.7	112.0	106.2	109.0	114.4	117.9	109.1	105.9	108.0	105.7	104.2	98.7	101.7	98.6	104.3	114.4	127.3	131.4	132.8
136	Foxe Basin	154.6	154.7	163.8	172.6	163.3	150.5	141.9	140.7	137.6	136.6	135.1	137.6	128.0	113.3	109.3	100.0	99.1	107.3	123.8	126.6	127.9	146.9	131.3	110.4	116.3	105.5	102.5	106.0	120.0	133.3	141.2
138	Baffin Bay	108.4	106.5	113.2	126.9	124.7	116.4	108.1	106.3	96.1	95.2	93.9	92.2	99.9	109.4	94.0	80.1	78.3	79.2	80.4	86.8	96.1	95.9	119.8	113.8	87.7	85.7	86.9	91.1	87.0	86.0	102.5
139	South Greenland	143.2	142.5	150.5	144.5	135.4	119.6	113.5	113.4	115.5	121.1	112.0	131.2	150.9	161.8	123.2	103.2	96.2	98.0	94.2	101.7	108.9	122.8	142.7	123.9	113.9	118.0	123.1	133.0	119.3	110.7	106.7
140	Greenland Sea	89.2	89.2	91.3	92.8	96.9	103.1	94.1	88.3	87.8	84.9	82.5	82.1	82.1	104.4	112.7	99.3	91.2	84.7	101.8	114.1	113.8	102.2	99.4	98.2	105.7	118.4	121.5	117.4	109.6	94.1	88.8
142	Norwegian Sea	239.0	233.8	236.6	231.2	214.1	228.9	194.8	173.2	168.2	173.4	172.5	174.2	181.7	185.7	217.8	220.8	214.3	219.3	224.0	222.2	208.8	216.0	215.2	213.2	212.3	219.4	223.6	202.8	195.7	185.4	180.3
144	Barents Sea	181.8	188.6	184.7	185.1	191.6	168.6	181.4	177.9	174.6	186.8	183.2	170.7	167.9	169.0	168.4	178.3	194.9	198.4	194.5	193.2	195.2	184.6	187.0	181.3	183.2	188.4	190.3	189.6	196.6	190.6	183.7
146	Kara Sea	163.9	159.9	159.2	158.1	158.2	160.8	160.8	161.1	165.5	170.3	176.4	183.9	181.4	165.9	160.9	170.5	174.3	170.5	165.0	164.0	167.4	165.5	162.1	159.2	149.5	140.3	140.3	146.0	154.4	162.1	169.2
148	Laptev Sea	158.5	148.0	135.7	135.1	126.1	122.5	125.5	130.5	118.2	113.6	106.8	108.1	118.5	122.5	126.3	126.2	131.5	140.9	149.8	146.9	137.9	140.2	136.0	134.5	136.9	131.4	125.6	114.1	104.8	101.5	102.0
150	East Siberian Sea	128.0	126.6	127.4	123.9	120.0	113.3	106.1	107.0	107.0	114.4	121.6	130.3	127.5	131.8	135.2	128.0	122.9	123.4	130.3	138.6	140.3	140.4	139.7	136.8	133.4	128.4	123.6	122.6	120.7	118.9	121.2
152	Gulf of Alaska	198.0	205.3	199.6	191.4	200.8	200.5	196.9	181.1	188.6	207.3	200.6	191.3	196.2	189.4	175.9	172.7	161.4	156.8	152.8	154.5	156.8	161.1	159.7	154.8	152.3	149.7	168.2	167.7	160.4	183.8	187.7
154	Southeast Bering Sea	206.8	212.7	199.5	197.9	198.5	188.3	179.0	173.7	211.7	201.5	197.1	210.3	207.3	186.6	163.5	158.9	153.8	144.9	128.4	120.0	124.8	136.2	140.3	133.8	130.2	123.8	130.6	134.3	137.0	144.3	135.7