2006 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	173.1	170.3	171.7	174.1	174.1	173.5	173.2	176.3	177.6	177.9	177.8	178.3	180.6	183.4	184.9	186.0	189.0	191.2	193.5	194.2	195.6	198.1	197.3	197.4	197.3	197.2	199.2	200.0	202.3	203.7	-9999.0
34	Hudson Bay	206.4	199.5	198.9	214.0	214.1	207.0	195.0	208.4	215.0	220.8	229.9	224.2	219.2	226.6	232.8	237.5	235.4	230.6	227.2	229.5	237.6	241.9	236.9	219.3	213.1	212.4	218.5	231.0	249.2	252.1	-9999.0
36	Hudson Strait	175.9	174.8	180.9	200.4	209.2	222.3	215.5	209.7	194.2	181.4	173.3	208.7	195.4	182.4	183.5	190.8	204.2	220.8	217.1	186.7	203.5	207.5	208.1	222.1	223.3	206.0	186.3	180.0	207.5	211.3	-9999.0
98	Bering Strait	178.1	174.4	168.3	176.4	178.6	165.6	168.7	186.3	191.5	187.9	179.5	172.2	173.1	169.4	161.7	159.3	172.2	178.3	174.5	173.3	183.1	194.7	200.5	193.4	191.4	186.7	189.3	191.6	187.2	191.4	-9999.0
128	Arctic subocean	139.0	138.6	131.9	127.7	131.9	134.2	133.5	132.9	128.9	129.6	139.2	141.2	141.2	145.2	144.5	144.7	138.7	135.3	145.4	146.8	151.7	149.1	156.9	165.7	163.2	173.2	183.6	177.6	172.0	163.2	-9999.0
130	Chukchi Sea	185.1	165.0	146.9	144.3	141.5	140.4	149.5	177.5	191.0	181.1	169.2	164.0	157.1	156.0	154.6	158.5	157.5	146.9	142.1	148.3	156.5	162.8	161.1	170.3	178.3	181.3	177.1	170.3	175.2	181.4	-9999.0
132	Beaufort Sea	177.5	184.4	198.1	192.6	199.9	203.1	206.0	201.2	206.5	204.9	198.2	199.3	204.1	202.3	197.3	188.9	193.0	200.8	210.0	210.3	207.1	205.1	207.9	222.7	228.9	224.8	219.1	221.7	216.7	203.9	-9999.0
134	Arctic Archipelago	167.4	161.5	154.2	145.7	146.0	160.0	175.9	175.8	151.2	148.2	141.3	144.4	155.9	168.6	165.2	164.7	163.7	171.7	179.8	184.6	163.6	162.1	168.0	168.5	171.4	183.6	190.9	190.5	193.0	186.2	-9999.0
136	Foxe Basin	145.6	131.5	145.3	149.9	159.8	169.1	165.7	160.4	160.5	154.0	155.1	141.3	143.9	150.1	170.4	170.5	173.4	170.4	165.0	172.1	202.5	156.7	163.7	156.9	149.8	156.8	158.7	176.6	188.4	209.9	-9999.0
138	Baffin Bay	141.4	135.8	136.4	124.6	111.9	104.1	104.8	102.5	108.9	112.5	123.7	130.0	137.3	119.9	112.5	113.1	115.0	111.6	113.7	119.6	125.7	127.7	125.1	142.0	141.2	146.3	153.9	156.1	154.5	157.3	-9999.0
139	South Greenland	127.7	127.4	139.1	129.4	136.8	140.5	149.7	169.7	172.8	161.7	151.3	146.2	138.4	125.1	131.0	140.9	142.1	134.2	131.5	141.4	140.1	146.8	130.6	137.1	142.4	162.6	186.4	162.6	156.9	153.7	-9999.0
140	Greenland Sea	110.2	113.4	114.0	111.0	119.9	124.6	124.6	117.6	124.4	125.3	115.0	119.9	130.5	144.9	148.7	146.4	132.5	127.6	133.7	142.8	146.7	140.1	151.8	157.9	158.9	170.7	173.5	174.8	154.4	147.8	-9999.0
142	Norwegian Sea	193.5	204.1	207.7	202.8	196.7	206.5	211.0	211.9	211.0	208.3	204.1	215.0	223.5	221.4	221.4	223.3	219.5	220.7	218.3	215.3	209.6	217.4	233.7	223.6	224.1	239.4	229.6	225.7	236.4	236.5	-9999.0
144	Barents Sea	198.9	204.7	204.9	209.5	215.0	218.4	214.7	216.0	219.5	223.2	222.6	222.9	219.2	217.3	227.9	226.5	218.3	218.5	227.1	227.0	223.4	221.7	216.3	213.4	210.7	202.8	200.2	202.0	209.4	218.9	-9999.0
146	Kara Sea	179.6	174.8	177.0	179.5	173.8	170.4	169.3	169.1	169.2	169.9	175.5	181.2	189.5	198.7	200.6	197.5	203.2	207.9	207.8	201.1	202.4	210.0	213.8	218.5	218.3	213.6	209.3	205.1	203.7	206.5	-9999.0
148	Laptev Sea	159.1	155.8	154.0	152.9	154.7	158.9	160.4	160.3	162.4	164.5	159.7	153.3	154.0	157.0	159.7	168.9	174.5	178.9	189.5	198.8	192.6	188.5	186.2	183.5	181.2	179.9	184.4	185.9	187.8	195.1	-9999.0
150	East Siberian Sea	142.0	140.8	138.0	141.4	141.9	145.4	140.8	135.4	136.1	141.9	144.2	145.3	146.2	145.9	148.1	151.2	151.7	152.9	155.2	159.9	171.0	173.7	156.4	148.7	162.4	172.5	184.0	197.8	204.6	202.3	-9999.0
152	Gulf of Alaska	196.6	196.8	198.0	217.7	217.6	208.3	209.7	213.4	210.5	207.2	198.7	195.0	205.6	202.3	188.8	187.8	203.0	205.2	198.7	197.7	204.0	214.3	214.0	219.9	205.4	198.3	202.4	210.5	202.3	205.2	-9999.0
154	Southeast Bering Sea	196.9	188.7	207.0	223.8	199.3	174.2	194.8	222.3	218.7	204.4	191.9	204.7	196.7	175.3	167.4	184.6	208.4	201.5	191.4	183.6	206.6	213.0	208.5	201.8	191.6	201.1	205.1	199.7	199.9	197.9	-9999.0