1986 04 - 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	172.5	170.1	172.4	175.4	179.2	178.7	177.6	178.1	179.4	179.2	180.3	181.6	181.5	185.0	188.4	189.5	191.2	191.6	192.8	193.9	194.1	196.3	198.5	199.6	200.8	201.0	205.6	206.1	204.2	202.7	-9999.0
34	Hudson Bay	211.4	194.1	187.2	199.1	216.1	231.8	229.8	219.7	223.6	216.1	204.4	195.6	195.6	198.9	200.0	207.5	221.4	228.0	233.5	218.2	201.1	216.4	229.6	229.5	229.8	227.1	239.3	242.5	234.3	225.1	-9999.0
36	Hudson Strait	179.9	183.7	161.5	147.6	146.1	173.2	205.8	212.3	207.8	203.7	217.6	233.5	228.9	220.0	211.1	188.1	171.5	181.8	196.8	229.4	210.3	180.8	179.5	198.0	220.7	198.3	204.7	193.6	176.1	200.7	-9999.0
98	Bering Strait	139.7	144.3	156.5	156.2	152.3	140.6	141.0	147.3	148.1	155.8	165.8	174.5	179.4	187.1	191.8	193.3	192.9	190.2	183.3	183.9	182.8	186.2	185.8	178.8	185.3	189.3	197.0	200.9	203.6	206.9	-9999.0
128	Arctic subocean	118.4	105.5	108.0	106.0	105.1	101.9	102.2	104.7	127.8	121.2	137.1	144.8	132.9	118.7	120.8	124.9	122.5	122.5	123.7	130.7	137.6	134.0	139.5	151.7	155.7	154.0	152.6	152.7	153.5	159.7	-9999.0
130	Chukchi Sea	140.5	142.5	135.4	120.5	115.6	118.9	134.0	147.8	155.8	155.7	164.9	190.3	197.8	196.8	187.1	186.1	177.2	169.5	161.2	161.7	170.3	174.5	175.4	161.5	162.1	162.6	174.0	182.2	188.1	188.9	-9999.0
132	Beaufort Sea	156.9	156.2	180.0	193.8	192.9	191.8	181.0	192.8	173.2	152.4	149.1	156.0	164.8	172.8	190.1	201.3	203.8	205.3	203.9	210.5	205.1	193.3	188.3	188.9	193.6	206.5	221.4	220.8	214.6	207.2	-9999.0
134	Arctic Archipelago	137.1	134.4	135.8	143.4	161.9	155.8	152.4	151.0	150.6	142.6	148.6	150.9	152.2	153.7	151.9	151.7	151.6	146.2	147.0	157.1	170.0	169.3	165.7	162.6	163.0	164.1	175.7	181.4	176.1	172.7	-9999.0
136	Foxe Basin	127.9	135.4	143.9	133.5	138.8	170.0	190.2	190.3	189.0	189.4	165.6	169.7	181.6	173.7	172.1	167.2	159.5	152.3	134.8	142.7	153.0	158.6	158.9	162.3	167.0	169.8	163.4	159.4	157.9	169.9	-9999.0
138	Baffin Bay	103.2	94.9	102.7	114.1	115.4	117.2	121.4	134.6	145.1	143.2	154.6	139.3	115.5	115.7	109.1	105.1	106.1	111.9	118.5	117.3	118.7	129.5	145.9	134.5	133.9	136.9	141.6	153.3	163.3	169.6	-9999.0
139	South Greenland	122.2	135.3	161.2	161.7	165.3	147.1	139.4	137.1	170.4	176.6	172.1	178.4	176.2	174.7	176.6	169.9	156.1	140.8	131.8	141.2	158.2	176.5	181.5	166.1	151.3	147.7	152.1	165.8	168.5	165.7	-9999.0
140	Greenland Sea	108.7	99.8	99.0	129.1	131.2	117.8	112.1	113.9	131.6	135.0	136.3	141.0	111.7	103.7	116.2	113.7	113.2	118.1	114.7	111.4	118.3	123.7	141.8	126.9	129.7	133.4	148.3	155.3	158.4	155.6	-9999.0
142	Norwegian Sea	218.7	216.6	214.5	209.3	207.7	219.0	224.7	224.4	194.5	186.5	203.2	198.3	188.7	186.0	179.0	187.7	195.7	199.0	199.9	193.3	208.8	215.4	225.1	230.7	231.8	232.4	234.8	236.5	234.7	231.0	-9999.0
144	Barents Sea	216.9	225.1	222.5	213.4	209.7	213.4	217.8	216.7	203.0	193.4	182.1	192.6	207.3	199.9	196.2	209.3	214.0	195.3	207.8	215.3	217.8	240.7	250.3	252.7	249.4	240.3	257.8	251.3	213.2	191.4	-9999.0
146	Kara Sea	198.3	190.7	189.3	192.9	195.7	187.1	182.6	184.8	187.3	195.5	200.8	195.8	200.6	216.3	219.1	212.2	209.1	214.8	213.0	212.2	212.8	206.6	206.7	215.4	218.4	221.0	216.1	209.1	213.2	214.1	-9999.0
148	Laptev Sea	162.0	167.0	166.1	162.1	163.1	171.8	170.6	163.8	162.4	166.0	168.0	176.1	163.8	155.1	162.2	167.1	173.5	173.0	181.5	185.1	190.1	197.0	194.7	193.1	195.1	189.5	192.9	197.3	198.1	200.8	-9999.0
150	East Siberian Sea	146.1	145.7	145.7	142.3	141.7	143.7	157.5	166.3	172.8	164.4	170.9	174.9	177.1	175.8	180.7	186.9	194.7	191.4	185.4	194.3	201.4	196.1	189.9	196.7	189.5	195.1	188.8	191.5	196.8	201.0	-9999.0
152	Gulf of Alaska	162.6	185.6	202.0	192.8	199.3	172.8	166.8	163.4	161.6	177.7	183.7	185.8	188.3	199.5	203.9	204.5	204.1	200.7	201.1	203.5	201.6	197.0	194.6	196.3	197.3	198.3	210.8	213.3	217.4	216.3	-9999.0
154	Southeast Bering Sea	169.3	182.2	175.8	162.3	161.8	138.7	140.1	142.8	152.6	199.4	215.7	222.7	214.4	212.7	204.3	206.5	205.6	205.0	207.4	197.0	190.2	191.8	193.5	194.3	194.9	192.8	191.7	195.4	203.3	211.1	-9999.0