1982 04 - daily  - mean of NCEP mean Daily Downward Longwave Radiation 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	190.7	195.2	196.4	197.7	201.7	205.8	210.0	216.8	214.5	212.3	216.2	216.1	217.8	222.9	224.5	222.3	220.3	223.8	219.7	221.7	229.8	225.9	223.9	221.8	224.0	226.4	231.3	237.6	238.4	233.9	-9999.0
34	Hudson Bay	202.0	193.5	184.3	180.0	176.6	182.8	190.4	220.1	228.3	216.4	218.7	228.2	232.2	235.6	246.5	237.9	229.1	232.3	225.8	215.3	233.7	250.1	256.1	254.7	237.9	220.7	234.7	256.0	267.2	267.1	-9999.0
36	Hudson Strait	260.2	235.4	154.4	177.6	214.0	230.1	197.9	227.0	267.5	269.3	243.0	177.8	169.9	197.6	200.9	188.2	163.8	187.1	182.7	178.6	179.6	195.4	234.0	206.2	203.6	218.4	190.6	187.7	193.4	230.2	-9999.0
98	Bering Strait	175.5	179.8	169.9	198.9	239.9	255.5	249.4	214.3	211.1	196.2	186.0	190.3	193.4	193.0	192.9	194.9	203.7	213.7	212.8	217.9	205.5	208.7	212.5	221.1	242.8	230.7	222.1	234.9	220.1	209.5	-9999.0
128	Arctic subocean	143.8	130.6	123.7	120.2	120.7	132.6	117.7	127.2	140.8	135.5	146.8	163.5	168.8	166.1	159.3	151.9	148.5	149.7	153.5	149.5	169.3	180.6	190.8	196.1	201.3	174.6	168.7	174.4	170.3	159.4	-9999.0
130	Chukchi Sea	156.7	192.3	223.5	233.5	272.0	268.1	225.9	237.0	199.4	167.3	169.4	168.6	155.6	155.5	163.3	175.0	176.2	183.0	184.6	176.6	219.2	217.5	193.9	185.7	188.5	187.1	182.5	176.4	170.3	166.1	-9999.0
132	Beaufort Sea	159.1	162.8	171.4	173.3	190.7	210.7	238.4	249.6	221.9	225.6	217.6	210.9	228.3	232.1	225.4	214.4	221.0	215.9	212.4	238.2	246.7	234.4	237.0	215.6	211.8	228.1	247.0	257.9	259.6	241.8	-9999.0
134	Arctic Archipelago	144.9	137.3	133.9	148.3	149.7	154.2	158.7	168.0	170.4	156.8	170.0	171.5	170.0	168.4	179.4	171.3	188.0	187.6	164.0	172.5	215.7	206.2	191.1	187.7	186.5	179.6	182.3	175.4	168.8	180.4	-9999.0
136	Foxe Basin	137.4	157.1	168.7	165.0	147.3	170.4	190.8	170.2	201.9	228.4	250.1	231.8	186.7	183.5	189.4	162.3	164.2	169.1	192.2	160.6	160.7	185.6	206.7	208.1	200.8	199.2	179.4	179.4	197.3	183.3	-9999.0
138	Baffin Bay	116.2	103.2	129.3	148.1	137.1	115.3	144.9	172.8	146.4	149.6	194.9	199.0	201.9	186.7	183.6	150.2	125.7	134.3	151.9	125.3	121.2	125.7	130.4	130.8	127.0	126.8	145.8	145.5	131.8	130.9	-9999.0
139	South Greenland	150.3	180.9	208.4	197.2	182.2	185.4	212.9	194.5	189.0	203.0	208.7	213.0	179.3	160.2	151.1	153.3	158.5	174.4	154.8	150.2	144.4	133.1	136.1	151.4	156.3	168.1	152.3	160.7	159.0	149.7	-9999.0
140	Greenland Sea	101.4	96.2	106.2	120.7	138.3	120.7	125.4	150.2	132.3	122.6	152.5	163.9	176.0	173.3	164.5	154.8	133.8	137.5	129.9	146.8	179.4	160.8	150.6	156.8	147.0	128.9	123.4	133.9	147.8	144.8	-9999.0
142	Norwegian Sea	254.9	252.9	271.1	244.7	253.7	263.1	248.7	230.0	226.6	262.3	252.7	242.9	223.4	261.2	276.0	283.6	263.5	273.2	267.8	255.6	267.1	280.7	280.8	255.8	280.8	250.8	277.5	245.7	239.8	248.6	-9999.0
144	Barents Sea	226.0	223.6	223.1	239.3	254.0	237.9	227.6	250.4	266.8	251.5	251.7	255.1	252.9	262.6	249.0	236.4	260.7	258.0	221.2	212.1	230.4	223.9	233.3	247.5	256.8	271.4	269.8	255.8	261.9	259.9	-9999.0
146	Kara Sea	237.9	246.4	235.1	221.5	226.6	230.4	242.2	235.2	229.4	231.2	241.4	246.8	250.0	255.8	257.2	258.8	250.9	255.7	258.9	263.5	263.1	252.9	233.7	225.8	237.1	251.0	263.8	276.2	279.8	269.2	-9999.0
148	Laptev Sea	166.4	182.0	219.3	226.0	206.0	196.8	183.3	209.0	212.0	214.9	211.4	201.6	206.8	223.8	225.2	233.1	226.7	225.5	229.0	230.0	245.1	239.2	241.4	231.6	236.1	244.0	232.7	227.2	230.9	233.6	-9999.0
150	East Siberian Sea	178.4	181.0	146.4	147.8	166.4	191.9	176.3	172.1	171.0	168.2	176.2	169.2	174.4	184.2	188.0	201.9	219.5	227.8	214.4	219.2	219.3	208.0	215.6	245.3	232.2	217.7	235.3	234.6	215.7	212.1	-9999.0
152	Gulf of Alaska	179.8	173.9	175.1	197.4	221.3	239.9	258.1	231.5	238.5	216.3	214.9	219.1	212.4	215.8	233.6	240.5	224.7	230.7	236.3	266.7	231.5	207.4	216.2	255.4	272.9	249.2	273.4	258.4	232.2	228.9	-9999.0
154	Southeast Bering Sea	171.8	176.0	209.2	244.3	260.4	298.0	266.8	247.1	240.2	256.6	209.0	183.3	176.8	193.7	231.6	219.8	207.0	196.3	178.4	195.1	192.0	213.2	256.0	263.4	275.6	245.9	221.0	255.4	240.7	225.7	-9999.0