2002 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	163.7	163.9	162.2	159.8	162.4	169.6	172.4	173.8	175.4	175.5	178.8	181.8	184.2	184.6	182.4	181.3	183.7	185.6	185.4	184.6	187.9	189.0	191.6	192.7	192.1	192.1	194.7	197.6	198.4	198.3	-9999.0
34	Hudson Bay	185.5	176.2	168.9	164.6	162.7	171.9	182.6	182.5	181.8	182.4	199.9	216.1	217.9	224.7	217.3	213.7	215.5	207.1	196.5	189.6	202.3	211.6	213.6	201.5	189.7	186.7	192.3	206.0	213.6	207.6	-9999.0
36	Hudson Strait	192.0	185.2	161.6	153.2	145.3	144.6	149.1	158.9	172.4	177.4	150.4	175.3	183.5	165.9	215.1	170.3	158.0	175.4	203.1	194.7	181.1	179.6	182.8	190.1	209.3	216.9	207.2	193.4	191.0	198.9	-9999.0
98	Bering Strait	157.4	171.1	171.2	167.6	171.5	177.6	170.3	168.0	173.8	163.2	165.8	170.7	180.5	184.1	173.3	158.0	165.5	182.5	183.3	188.6	186.2	175.5	171.0	177.7	191.1	213.2	218.5	213.2	225.7	226.5	-9999.0
128	Arctic subocean	103.2	110.7	120.3	104.4	115.4	120.8	120.0	122.1	120.2	117.9	112.8	103.3	108.1	114.8	119.7	124.3	123.2	124.3	128.2	126.5	125.2	122.8	121.6	121.5	127.6	128.0	132.3	147.7	169.5	160.5	-9999.0
130	Chukchi Sea	187.4	198.3	196.1	195.6	193.6	188.2	184.9	183.3	158.6	157.2	160.3	189.9	199.5	172.8	155.1	142.3	157.0	155.5	146.2	165.8	165.1	164.0	170.4	188.1	198.7	225.6	211.7	200.3	206.7	206.0	-9999.0
132	Beaufort Sea	149.0	149.6	154.9	152.2	158.9	166.8	157.2	152.5	155.8	174.7	185.0	182.8	190.0	187.2	189.2	182.7	178.5	187.2	203.2	208.0	205.8	190.0	169.4	168.2	178.2	190.0	206.9	214.4	208.9	202.7	-9999.0
134	Arctic Archipelago	131.7	136.7	143.5	139.8	138.7	143.8	141.1	133.2	125.2	128.8	132.9	134.8	138.7	137.3	143.8	156.4	157.3	151.0	161.4	174.1	164.2	157.5	153.2	147.1	149.6	158.2	173.1	186.5	178.9	171.5	-9999.0
136	Foxe Basin	161.7	134.5	128.8	140.2	145.8	144.4	144.9	150.6	152.0	151.6	147.7	143.2	136.9	139.0	147.5	143.3	151.7	163.8	156.1	148.6	169.0	164.9	180.1	182.4	168.6	175.6	202.2	197.0	185.9	190.6	-9999.0
138	Baffin Bay	99.1	90.5	93.9	92.7	100.3	111.7	117.5	109.5	109.0	102.1	100.1	113.4	119.1	113.2	102.0	104.7	122.5	132.6	123.4	111.1	113.7	115.0	111.6	107.1	108.4	109.1	125.5	151.4	162.6	153.2	-9999.0
139	South Greenland	133.1	133.6	138.3	133.1	138.9	164.0	147.3	131.9	136.6	127.9	137.5	144.5	137.3	130.5	130.4	149.3	167.1	173.9	170.1	168.5	171.8	162.8	153.1	142.4	143.9	142.6	135.9	143.4	135.3	149.0	-9999.0
140	Greenland Sea	116.3	125.5	119.7	108.0	97.6	111.4	134.6	121.7	117.4	113.1	105.1	105.4	116.7	134.0	108.4	109.6	131.7	142.3	136.5	117.0	111.4	110.3	114.8	112.6	109.5	101.6	103.1	118.3	142.2	141.4	-9999.0
142	Norwegian Sea	217.7	228.7	236.2	229.5	230.5	227.9	214.2	215.0	222.0	232.1	227.9	222.0	217.7	210.0	219.6	220.1	209.8	214.5	218.2	227.0	238.5	251.4	242.3	248.2	246.1	233.3	236.6	234.9	230.0	232.0	-9999.0
144	Barents Sea	158.9	166.6	173.1	179.1	198.7	203.1	205.2	204.5	199.9	203.7	218.4	221.8	224.2	222.6	219.1	213.9	207.9	212.2	217.7	224.3	225.2	229.5	233.6	235.6	228.9	222.1	232.4	236.1	241.1	241.7	-9999.0
146	Kara Sea	179.8	172.4	164.9	162.9	163.6	170.8	181.9	193.0	194.8	191.6	189.7	191.4	196.7	199.2	197.1	200.4	200.3	198.7	194.9	192.4	199.6	208.8	217.3	223.3	220.4	218.2	211.6	204.2	204.9	209.0	-9999.0
148	Laptev Sea	160.5	165.8	166.3	166.0	169.4	175.1	177.6	180.8	186.2	186.6	184.3	180.5	176.5	177.8	181.4	182.3	183.1	182.9	180.4	176.7	176.8	176.3	187.5	194.6	194.7	182.2	188.9	190.1	173.0	173.6	-9999.0
150	East Siberian Sea	171.2	193.3	197.3	194.6	197.4	193.0	182.8	182.6	185.5	190.1	196.0	181.7	170.0	156.8	141.0	135.2	133.8	143.0	152.4	162.8	174.8	179.7	192.6	197.1	194.5	194.5	180.7	186.5	206.5	207.5	-9999.0
152	Gulf of Alaska	158.8	169.8	170.3	165.3	170.7	178.9	176.2	170.4	181.4	180.8	177.8	179.9	181.2	192.0	186.9	178.7	194.0	215.8	223.4	220.5	204.1	188.3	181.3	185.3	190.3	207.1	227.8	234.0	254.3	249.5	-9999.0
154	Southeast Bering Sea	173.0	183.6	188.3	180.9	183.5	194.2	192.1	194.5	200.2	178.5	168.2	173.2	200.6	204.1	205.8	188.6	219.1	214.6	211.4	220.8	203.9	195.4	195.7	196.5	213.5	237.4	233.6	252.7	260.4	247.9	-9999.0