2001 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	172.8	175.8	178.0	179.9	181.5	177.8	178.5	181.1	180.2	182.0	184.3	185.9	185.7	182.9	179.6	179.4	184.1	190.3	192.1	192.1	191.4	193.7	197.8	199.1	197.1	194.9	196.7	201.4	204.7	207.6	-9999.0
34	Hudson Bay	197.9	201.2	199.4	196.2	207.5	212.7	213.5	209.4	201.5	202.7	205.2	204.8	196.8	186.5	180.2	181.5	192.6	203.5	212.0	213.0	198.2	192.7	203.1	209.6	217.1	222.5	216.0	234.3	258.1	263.0	-9999.0
36	Hudson Strait	170.8	178.0	178.5	172.1	173.3	171.6	183.6	198.0	203.1	174.5	167.4	180.1	219.5	213.6	177.7	172.1	178.4	172.4	165.5	173.9	192.8	193.7	168.0	192.6	156.3	169.4	205.3	164.2	173.3	222.7	-9999.0
98	Bering Strait	151.4	152.9	181.6	187.5	179.8	182.7	185.1	181.4	178.3	184.8	201.5	202.7	190.8	188.7	198.7	199.6	193.1	191.6	190.2	195.1	202.2	206.9	202.6	196.1	194.7	198.9	200.2	197.8	192.6	189.4	-9999.0
128	Arctic subocean	130.1	132.3	130.5	123.0	103.0	90.3	98.4	113.1	125.7	134.1	131.4	125.5	123.5	128.7	128.2	125.0	129.2	132.3	125.9	123.3	134.4	140.0	141.3	151.7	155.3	149.2	152.6	153.1	145.7	153.9	-9999.0
130	Chukchi Sea	134.4	135.6	172.1	179.4	170.7	190.4	197.1	181.8	166.6	170.4	180.2	185.6	175.6	172.2	183.8	190.6	183.7	171.9	175.0	185.7	194.4	202.4	175.7	178.9	185.7	183.2	177.8	168.1	167.1	167.8	-9999.0
132	Beaufort Sea	180.2	171.7	177.3	201.6	201.6	190.6	187.4	193.5	197.5	193.5	192.3	198.6	201.5	198.8	196.9	203.4	209.8	207.6	193.8	175.1	177.3	188.4	199.1	209.8	210.3	204.4	216.9	219.5	211.3	200.9	-9999.0
134	Arctic Archipelago	156.0	160.3	147.8	149.7	170.0	152.3	137.7	142.6	142.5	139.2	139.2	154.7	167.9	178.1	183.4	176.0	170.5	166.7	152.1	148.9	150.9	150.1	159.6	172.8	166.6	155.2	161.5	168.2	171.7	178.2	-9999.0
136	Foxe Basin	172.0	180.8	185.2	173.1	164.4	190.0	173.5	173.4	163.6	152.9	146.3	154.0	155.4	158.8	172.2	170.3	164.6	168.2	180.4	176.8	162.0	164.2	154.6	144.1	140.9	146.8	155.6	159.1	167.5	194.6	-9999.0
138	Baffin Bay	112.8	110.2	117.7	120.2	108.1	105.1	105.0	93.3	94.6	106.5	120.4	120.4	112.5	119.6	132.3	141.1	145.8	148.0	138.7	145.0	144.6	146.6	148.1	140.4	132.6	144.5	153.6	151.2	150.4	149.5	-9999.0
139	South Greenland	126.6	125.4	123.6	120.2	125.1	129.2	138.9	138.4	142.2	142.0	155.9	170.1	168.1	165.3	164.8	164.4	174.9	196.0	191.2	184.0	176.9	172.3	159.6	140.2	144.4	158.5	169.4	171.8	172.7	171.1	-9999.0
140	Greenland Sea	101.0	102.5	102.6	106.3	110.7	92.5	90.4	77.3	87.6	102.1	106.0	116.0	117.7	112.9	114.4	112.3	130.4	140.1	140.6	125.3	126.6	125.4	135.6	138.7	136.0	135.1	140.2	138.1	132.3	153.0	-9999.0
142	Norwegian Sea	220.7	225.1	215.1	216.8	227.7	220.5	208.0	207.3	212.4	205.7	195.9	187.8	185.6	194.1	198.5	207.3	198.8	196.7	200.8	206.4	216.0	217.2	213.0	231.9	235.0	232.5	237.0	233.5	231.6	230.2	-9999.0
144	Barents Sea	202.8	211.3	203.0	189.8	186.3	208.8	221.8	218.8	219.4	225.4	210.3	195.6	201.9	194.1	201.4	218.7	218.4	223.8	224.4	228.9	222.7	219.8	224.0	231.7	242.5	250.8	258.0	252.4	253.6	262.2	-9999.0
146	Kara Sea	197.6	198.3	194.8	198.9	197.9	179.3	179.6	192.4	193.7	200.1	206.0	203.5	208.4	207.6	201.5	195.6	195.4	205.9	213.7	211.6	210.2	217.7	220.5	215.4	202.7	193.3	196.7	206.1	205.7	202.7	-9999.0
148	Laptev Sea	154.4	166.2	174.1	171.1	175.4	180.5	180.4	177.4	173.2	164.6	159.1	168.7	159.1	148.4	138.0	138.4	147.6	153.5	160.9	169.9	177.3	177.7	187.6	195.5	199.6	189.8	178.4	184.2	189.9	203.1	-9999.0
150	East Siberian Sea	143.1	142.3	149.3	155.1	156.6	155.6	158.3	161.1	160.1	169.8	174.8	168.9	172.3	184.5	175.0	168.1	188.4	189.9	188.6	197.7	200.2	200.3	206.9	201.5	204.7	206.4	205.2	201.8	204.4	201.2	-9999.0
152	Gulf of Alaska	173.9	187.5	208.7	207.8	194.0	195.6	195.7	200.4	197.0	208.0	220.0	209.1	201.4	200.0	206.8	205.6	206.8	212.4	211.0	209.9	208.8	210.3	213.4	213.5	212.1	214.5	221.0	214.3	207.7	208.8	-9999.0
154	Southeast Bering Sea	170.2	209.3	224.6	208.9	196.0	214.9	212.6	214.3	208.3	226.7	221.7	187.7	186.0	190.4	203.1	216.4	209.9	209.3	210.1	224.8	227.8	230.3	224.7	211.5	213.7	216.3	214.1	217.0	219.1	218.2	-9999.0