1990 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	177.2	183.0	184.5	182.7	182.9	184.0	182.3	176.2	175.3	181.7	183.5	184.1	186.1	188.3	190.2	189.5	189.7	191.0	192.1	192.4	194.6	201.3	202.7	201.4	199.2	197.1	198.1	199.9	204.5	207.1	-9999.0
34	Hudson Bay	191.5	190.6	201.7	192.7	177.8	178.3	187.4	184.5	184.0	181.4	186.7	191.1	190.4	190.8	192.6	186.0	187.8	204.3	224.3	228.7	242.5	252.8	262.2	265.2	251.0	233.4	214.9	212.2	224.9	228.7	-9999.0
36	Hudson Strait	181.9	148.9	154.6	178.8	223.3	210.3	182.1	164.9	163.0	165.1	164.4	169.2	166.0	151.8	156.3	170.5	164.0	153.3	151.3	150.4	167.2	182.0	164.6	189.6	218.8	183.1	174.2	166.1	182.5	234.8	-9999.0
98	Bering Strait	181.6	180.3	182.2	194.5	190.0	185.2	188.4	195.3	197.7	202.9	195.4	195.1	199.6	199.1	195.0	192.7	200.2	201.4	202.6	200.9	202.2	207.1	205.1	207.1	209.6	210.4	206.1	201.0	195.7	198.8	-9999.0
128	Arctic subocean	135.4	134.1	138.0	138.8	143.4	155.8	144.5	137.6	160.3	166.7	133.2	136.1	137.0	134.6	130.9	136.3	142.6	152.6	139.4	140.8	147.0	148.0	142.4	145.6	144.4	144.6	160.5	155.5	145.2	141.5	-9999.0
130	Chukchi Sea	167.8	172.6	185.7	193.1	184.7	178.4	193.2	212.5	216.1	206.0	200.1	207.2	207.0	203.4	199.9	186.5	180.6	175.8	173.5	178.0	191.1	190.8	185.6	188.7	210.0	216.1	200.9	196.6	173.9	176.9	-9999.0
132	Beaufort Sea	200.3	208.3	197.4	192.6	205.9	197.3	184.4	177.0	177.7	193.8	189.1	185.8	192.4	196.7	193.5	196.6	208.6	223.7	219.0	222.2	220.3	227.0	217.6	212.1	202.5	196.7	199.3	203.1	209.3	203.9	-9999.0
134	Arctic Archipelago	151.9	161.1	156.4	157.1	174.0	186.3	164.2	159.5	179.6	198.3	172.2	141.0	148.0	149.5	147.8	148.1	141.3	139.6	146.3	161.3	160.8	161.8	166.1	156.9	153.7	164.3	183.3	178.3	170.8	176.2	-9999.0
136	Foxe Basin	146.0	148.3	144.5	144.5	145.9	142.2	147.0	155.7	158.6	178.1	186.0	140.6	122.0	113.0	120.7	127.4	126.8	124.3	122.5	132.4	134.7	129.3	142.7	164.0	156.0	149.7	165.7	180.8	168.6	169.1	-9999.0
138	Baffin Bay	119.8	147.1	141.5	119.5	107.0	113.7	126.1	124.9	124.0	136.8	134.7	117.5	107.7	110.5	114.8	107.9	102.9	106.5	109.1	115.5	101.8	105.2	114.1	118.1	122.0	121.3	128.7	139.0	131.4	121.9	-9999.0
139	South Greenland	134.7	131.7	120.4	123.7	124.1	142.9	160.3	153.5	133.3	124.6	123.2	137.9	137.1	131.3	126.1	121.0	128.2	132.7	151.7	132.9	114.6	113.7	114.2	118.3	120.5	124.3	131.1	129.7	136.8	133.3	-9999.0
140	Greenland Sea	109.4	110.3	106.5	95.4	103.7	102.7	107.0	114.6	109.7	114.9	115.7	111.6	112.9	117.9	121.0	140.0	151.8	152.4	137.6	133.8	112.7	112.2	107.1	112.6	124.2	123.4	114.7	122.3	124.8	117.0	-9999.0
142	Norwegian Sea	210.8	203.3	193.9	183.5	189.5	187.9	191.3	212.3	225.8	223.2	223.2	238.2	223.3	225.1	233.8	231.0	224.6	220.0	225.7	218.9	225.2	238.9	234.8	230.8	238.2	234.1	218.3	224.6	251.5	238.0	-9999.0
144	Barents Sea	198.9	186.7	181.4	207.7	200.8	183.9	190.6	196.1	200.3	217.0	227.0	233.6	245.6	250.0	251.2	244.1	241.0	233.7	227.4	220.5	221.9	228.7	234.8	237.0	235.7	238.3	244.4	249.0	251.0	248.2	-9999.0
146	Kara Sea	191.0	203.8	205.2	193.3	198.3	205.8	197.9	184.8	181.5	192.5	198.5	199.3	206.1	211.6	212.8	211.6	207.2	201.3	199.5	201.8	207.3	216.8	215.8	210.9	216.7	220.0	222.1	224.3	228.7	229.6	-9999.0
148	Laptev Sea	168.3	179.5	186.9	192.0	184.4	175.7	172.8	163.8	159.7	155.4	164.4	175.3	171.4	178.7	192.9	192.3	190.1	187.3	179.2	177.1	181.5	190.3	191.0	181.1	174.0	177.3	184.3	187.1	196.3	206.8	-9999.0
150	East Siberian Sea	155.1	160.3	165.5	171.1	178.3	189.1	194.6	186.9	189.5	207.4	202.9	194.8	191.3	181.8	174.0	183.2	183.8	183.8	182.8	177.9	170.4	170.9	187.6	201.9	179.6	163.2	171.6	186.7	189.8	192.0	-9999.0
152	Gulf of Alaska	197.0	197.7	205.4	216.9	200.4	206.0	198.7	189.4	194.6	192.6	206.9	211.8	208.2	207.5	209.6	210.0	225.8	229.8	232.8	223.1	216.8	214.6	214.5	215.6	217.4	214.8	216.8	215.2	218.8	225.0	-9999.0
154	Southeast Bering Sea	187.5	208.3	220.5	214.8	195.5	217.6	224.2	217.0	207.5	210.6	213.7	214.0	214.2	216.4	219.9	224.5	223.8	228.0	232.6	232.9	230.7	230.0	222.0	207.8	214.7	220.6	223.3	218.5	217.2	227.1	-9999.0