1982 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	163.3	166.2	168.3	170.4	171.6	174.0	179.1	185.0	185.9	185.6	188.7	190.6	191.9	194.4	195.5	195.8	195.0	196.6	195.8	197.7	200.8	199.8	197.3	194.4	196.0	199.2	204.5	209.5	211.2	210.0	-9999.0
34	Hudson Bay	171.0	161.7	157.7	155.1	154.5	160.3	167.7	184.4	191.1	188.0	192.3	202.0	203.7	208.7	213.6	207.0	202.8	201.4	197.1	197.1	209.4	226.8	232.1	227.5	215.8	202.1	214.2	233.6	243.0	241.9	-9999.0
36	Hudson Strait	214.0	180.6	131.8	148.1	168.1	175.1	167.2	178.1	210.3	212.6	197.6	164.8	156.7	164.9	166.8	164.5	155.8	165.7	164.0	166.5	164.4	168.2	184.7	171.5	173.9	180.7	168.8	166.7	173.1	210.0	-9999.0
98	Bering Strait	151.6	153.6	149.7	166.3	193.2	210.0	206.3	183.7	178.5	169.1	162.4	163.7	163.7	160.4	166.5	170.3	171.0	177.5	183.3	191.1	185.4	186.8	187.8	192.4	203.9	197.3	193.7	198.3	190.0	185.9	-9999.0
128	Arctic subocean	118.6	112.9	104.5	102.1	106.1	108.4	104.4	109.2	113.5	116.4	129.8	143.1	149.5	150.0	141.7	134.9	127.4	127.0	126.1	125.9	137.3	142.3	147.6	152.7	149.9	142.1	138.9	142.7	143.4	138.6	-9999.0
130	Chukchi Sea	140.7	160.5	179.4	182.7	210.5	218.4	198.9	196.0	172.5	147.3	140.6	142.2	139.8	139.1	145.0	148.1	148.9	153.9	162.8	168.9	188.7	186.1	176.5	174.3	172.7	168.8	163.6	162.1	157.3	156.2	-9999.0
132	Beaufort Sea	138.7	140.1	145.9	152.9	163.8	179.6	199.4	207.4	189.2	188.3	182.2	181.9	191.5	190.8	184.0	185.3	191.6	189.4	192.8	211.4	218.7	207.5	202.8	189.9	190.0	205.3	220.3	228.7	223.9	209.9	-9999.0
134	Arctic Archipelago	124.7	126.2	126.2	127.9	130.6	132.1	137.2	140.3	140.3	138.3	144.6	144.8	145.0	145.3	150.0	153.9	161.7	160.7	149.7	156.6	180.6	172.0	160.7	153.1	152.4	154.7	162.1	160.3	159.6	164.1	-9999.0
136	Foxe Basin	120.9	125.4	131.6	133.4	129.9	138.8	151.3	149.7	168.4	189.7	200.4	179.5	146.0	140.3	146.1	143.0	150.8	159.8	166.1	143.0	143.3	158.1	165.4	162.3	159.9	164.1	159.8	158.5	163.3	163.4	-9999.0
138	Baffin Bay	98.4	92.8	110.8	126.2	115.4	103.1	122.7	139.1	127.6	136.1	165.4	173.5	168.8	157.9	150.4	133.9	115.3	119.7	127.0	115.8	112.7	114.2	115.9	113.8	111.3	115.5	123.8	125.4	122.8	119.1	-9999.0
139	South Greenland	129.4	150.0	170.4	164.7	154.0	161.1	179.0	173.2	172.5	177.5	178.9	178.0	157.8	142.8	133.7	138.4	143.6	152.0	141.0	137.9	130.5	119.5	122.0	129.2	136.0	145.8	138.4	140.9	136.9	130.3	-9999.0
140	Greenland Sea	92.3	89.2	96.2	111.3	116.5	107.1	109.3	129.1	122.3	116.0	141.7	154.3	151.1	143.5	139.0	133.5	121.7	124.5	117.0	125.9	134.7	127.9	124.0	121.9	118.4	116.3	110.2	115.8	121.5	120.7	-9999.0
142	Norwegian Sea	224.4	219.8	226.6	213.5	214.9	223.2	209.4	200.7	201.9	210.1	211.4	208.9	205.5	217.8	230.0	231.1	224.8	228.1	231.9	231.0	231.6	236.4	233.8	228.3	236.8	222.2	231.6	214.7	211.2	214.4	-9999.0
144	Barents Sea	191.1	193.0	188.5	201.0	207.7	198.4	196.4	214.1	229.3	225.3	222.5	223.0	223.3	223.5	216.2	211.3	223.3	220.2	203.1	194.7	202.9	208.6	218.6	226.4	230.6	240.9	241.6	235.4	238.2	239.6	-9999.0
146	Kara Sea	202.6	209.6	203.7	194.4	194.1	197.4	207.9	209.2	208.9	211.5	219.7	225.3	229.4	232.3	232.2	232.4	224.1	225.3	229.1	232.7	231.5	223.8	208.1	200.9	209.6	222.0	234.1	243.7	249.5	247.9	-9999.0
148	Laptev Sea	147.7	158.5	182.8	189.9	173.8	163.2	156.0	173.5	179.4	178.5	177.2	172.2	178.3	191.5	197.3	201.7	205.5	206.1	205.6	200.2	203.0	202.8	204.8	203.1	203.9	206.6	201.0	197.1	200.5	202.8	-9999.0
150	East Siberian Sea	139.1	138.7	126.6	135.7	146.0	149.1	141.5	138.1	142.2	144.9	151.5	152.4	151.6	157.4	164.6	178.4	192.5	206.2	204.9	201.5	193.7	194.9	202.6	211.7	204.2	192.7	201.2	195.3	185.8	186.6	-9999.0
152	Gulf of Alaska	163.8	161.8	160.6	177.2	197.4	209.9	222.4	202.8	203.2	191.3	188.2	190.2	190.2	190.1	198.6	204.9	194.3	191.9	196.9	215.4	204.2	195.3	198.1	212.1	221.3	210.5	221.1	216.3	203.9	201.9	-9999.0
154	Southeast Bering Sea	158.4	163.3	184.7	209.9	226.4	238.6	225.7	211.4	210.2	209.0	178.9	161.0	161.8	168.1	184.7	180.9	171.4	162.2	161.8	176.3	186.4	199.7	217.7	222.5	226.3	216.1	205.2	211.8	201.8	198.7	-9999.0