1987 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	165.8	164.9	161.4	162.2	163.2	162.4	163.2	161.9	159.5	160.1	159.5	159.8	159.9	158.7	154.4	151.0	150.4	151.7	152.7	152.3	149.6	144.3	143.3	146.4	146.8	144.6	142.2	144.0	146.2	145.9	144.9
34	Hudson Bay	192.6	190.3	184.5	188.8	193.3	195.9	205.9	212.2	202.3	201.2	202.0	196.9	187.9	178.5	171.5	168.0	166.0	169.9	175.7	179.6	174.1	167.7	161.4	155.4	159.2	173.9	174.3	172.3	164.4	156.5	147.7
36	Hudson Strait	194.1	203.4	203.5	198.0	179.5	168.5	169.6	174.0	166.4	169.2	177.7	173.0	162.3	166.5	166.1	157.3	152.8	145.6	135.8	148.2	167.9	175.1	158.9	151.9	145.2	137.5	132.0	131.4	132.7	138.4	146.6
98	Bering Strait	160.6	158.2	159.9	154.8	146.4	147.1	156.1	161.7	158.1	146.3	141.2	150.4	157.0	151.5	149.2	159.4	165.7	159.0	164.0	172.2	157.1	143.2	161.2	188.9	180.7	162.0	149.3	154.9	183.0	193.7	182.0
128	Arctic subocean	118.8	120.3	126.4	143.6	156.5	151.2	145.5	132.9	133.8	133.1	129.5	126.6	118.8	113.8	110.4	113.3	117.8	114.0	98.5	93.4	96.7	98.0	104.1	101.9	107.1	113.5	114.5	110.1	98.6	102.9	103.2
130	Chukchi Sea	124.9	130.5	141.5	140.4	136.3	139.9	144.5	146.7	149.8	134.7	125.0	130.4	143.3	141.5	145.7	148.4	148.8	145.8	140.1	143.2	138.1	124.8	131.9	158.6	159.8	133.8	127.8	164.0	200.2	206.7	189.0
132	Beaufort Sea	194.8	193.5	187.1	183.7	177.7	178.9	192.8	186.4	184.9	183.3	182.9	175.7	170.5	170.5	163.3	153.1	160.5	172.8	167.0	169.4	175.4	166.5	162.0	185.2	203.4	196.6	184.3	173.6	167.3	169.1	175.1
134	Arctic Archipelago	186.9	183.0	182.3	176.6	172.9	169.0	164.4	164.5	167.1	174.6	176.0	168.5	159.4	148.7	137.9	134.5	134.6	136.0	134.1	132.6	129.2	128.3	131.2	129.6	132.4	137.4	142.8	146.8	133.1	130.2	135.5
136	Foxe Basin	164.2	181.6	180.9	163.9	144.7	143.7	161.9	168.2	162.4	154.1	157.4	163.9	165.9	162.1	152.5	137.0	136.6	127.9	135.5	140.1	147.8	157.4	158.4	149.6	139.4	130.0	124.6	130.0	139.0	146.7	142.4
138	Baffin Bay	123.8	129.8	116.7	115.5	123.9	136.9	140.3	127.2	119.6	119.3	120.3	130.3	126.9	117.0	104.7	95.8	89.9	84.8	88.6	92.9	87.6	86.6	95.3	99.6	104.2	105.0	108.7	111.7	104.0	95.0	93.5
139	South Greenland	159.6	165.5	140.7	146.6	159.1	157.2	161.0	152.7	159.8	171.1	153.2	148.8	150.7	153.2	133.6	119.4	127.2	130.9	140.8	149.0	140.9	121.2	119.2	120.2	119.7	128.1	132.7	141.7	138.0	127.5	118.1
140	Greenland Sea	103.1	118.3	94.0	86.5	116.5	135.8	132.1	122.5	115.1	118.6	110.7	99.4	93.8	99.8	100.9	100.2	101.2	102.2	100.8	105.3	110.2	97.6	84.7	82.2	88.5	103.7	98.6	96.7	93.7	85.7	81.6
142	Norwegian Sea	221.0	215.5	225.0	220.6	206.4	185.6	185.9	211.8	221.6	213.7	195.7	211.7	213.3	194.5	195.0	191.0	203.0	213.8	215.6	212.7	203.3	218.8	223.9	236.3	233.7	200.9	200.4	195.8	206.5	198.5	198.7
144	Barents Sea	206.3	194.5	177.7	190.2	188.8	178.8	177.0	189.6	190.1	171.3	160.9	162.7	159.4	156.3	161.9	167.8	168.3	167.3	163.1	160.7	161.6	163.2	161.8	161.8	181.3	199.0	186.7	176.6	164.2	157.4	158.0
146	Kara Sea	163.4	164.9	168.5	169.7	166.3	163.9	160.4	157.3	160.2	170.8	178.0	180.1	186.1	190.4	183.7	169.6	165.5	171.1	170.8	159.7	157.3	151.6	150.7	154.9	149.4	137.8	138.1	148.3	158.4	157.8	158.4
148	Laptev Sea	141.1	135.0	135.1	138.0	146.0	142.1	131.4	126.3	119.7	114.8	109.0	116.3	117.8	116.4	121.6	129.2	128.4	122.4	122.6	128.8	127.5	124.8	116.6	111.1	108.9	108.0	104.4	99.2	102.4	106.4	109.7
150	East Siberian Sea	132.3	126.5	117.5	114.6	119.8	123.2	122.8	116.0	107.1	106.3	109.0	106.0	114.8	120.2	115.1	123.7	118.3	111.3	114.4	115.4	114.8	112.4	111.5	109.9	102.9	101.2	103.7	104.1	106.1	121.0	124.8
152	Gulf of Alaska	194.3	196.3	194.6	183.0	182.4	181.3	203.2	207.3	195.7	184.6	181.1	184.1	180.9	168.9	163.8	192.5	199.2	189.0	211.6	207.9	185.3	177.0	215.5	225.4	212.0	194.5	183.0	176.8	195.3	201.4	192.6
154	Southeast Bering Sea	140.1	141.0	147.0	146.7	157.8	167.2	161.9	173.3	171.8	162.8	154.6	151.5	151.2	151.8	178.8	206.7	190.0	196.9	211.4	196.9	159.3	171.9	221.4	221.3	206.3	172.7	175.5	207.8	227.8	216.2	207.7