1984 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	192.7	188.5	188.2	190.1	194.8	199.2	199.9	199.3	198.6	201.3	203.3	204.5	205.9	206.3	211.2	212.4	210.9	210.0	209.9	211.4	215.4	221.8	222.5	221.5	224.1	223.6	226.4	235.0	237.7	236.3	-9999.0
34	Hudson Bay	229.2	221.4	213.7	214.4	224.5	236.7	238.9	248.4	253.6	260.4	260.9	253.5	245.1	239.3	243.6	249.1	254.4	258.5	251.2	243.1	248.9	273.7	273.8	272.7	262.9	249.3	254.3	260.5	241.6	242.7	-9999.0
36	Hudson Strait	212.7	189.9	207.4	157.4	183.7	155.3	147.3	149.8	205.8	219.4	224.8	244.2	233.2	212.1	201.0	199.8	213.0	249.1	230.5	212.8	199.3	222.2	197.4	203.6	238.0	225.3	208.6	250.3	282.6	252.6	-9999.0
98	Bering Strait	203.0	217.4	216.0	213.1	205.0	197.6	193.7	183.6	174.8	185.0	190.5	193.3	199.2	207.2	218.8	211.4	200.4	187.6	197.8	203.7	217.3	224.2	213.2	206.1	211.0	221.0	213.0	236.7	243.8	238.1	-9999.0
128	Arctic subocean	107.5	104.1	130.1	128.5	128.5	146.3	151.3	151.0	144.5	151.9	141.0	128.8	131.5	131.7	140.0	156.0	150.4	140.9	137.1	142.7	167.4	180.1	181.0	168.1	159.7	167.5	175.1	171.6	188.8	187.0	-9999.0
130	Chukchi Sea	199.9	208.1	196.7	177.2	151.2	144.9	139.6	146.2	142.1	126.8	133.5	137.2	145.6	157.9	171.9	181.7	180.9	158.2	164.0	157.6	178.1	164.2	169.6	176.4	195.8	175.6	197.3	206.0	200.6	213.3	-9999.0
132	Beaufort Sea	223.0	213.6	217.0	234.2	229.9	223.8	230.0	224.7	226.2	225.8	227.7	227.3	221.8	235.5	267.3	266.8	250.4	216.3	240.4	247.1	264.0	259.2	251.0	239.1	223.2	223.4	231.8	227.8	232.5	233.0	-9999.0
134	Arctic Archipelago	194.9	147.1	148.2	137.9	137.7	169.6	171.0	178.6	188.5	191.0	193.8	176.3	163.8	169.0	197.8	230.4	230.5	215.3	175.9	206.1	209.0	200.1	198.5	191.1	189.4	189.5	193.7	196.5	216.5	228.1	-9999.0
136	Foxe Basin	192.5	150.5	155.7	139.4	147.2	149.8	147.5	168.3	176.7	156.0	187.4	254.7	241.7	197.3	173.0	187.1	227.0	261.1	235.7	179.3	195.3	167.0	156.9	168.2	179.1	181.1	170.0	180.9	195.8	197.4	-9999.0
138	Baffin Bay	115.8	102.0	110.3	121.3	135.1	148.1	144.4	133.9	119.5	122.1	119.7	129.8	139.0	141.7	142.4	148.2	146.9	147.1	140.3	121.4	125.7	132.2	136.8	142.2	146.5	137.4	131.0	146.0	148.8	142.5	-9999.0
139	South Greenland	129.0	146.2	149.2	158.2	178.8	154.8	163.2	145.7	143.7	148.6	140.5	144.6	166.3	170.2	149.0	148.5	153.0	150.2	156.6	153.3	144.1	143.7	154.6	186.4	222.5	210.7	194.6	177.6	166.9	179.1	-9999.0
140	Greenland Sea	102.1	110.4	134.0	117.8	152.2	163.5	162.4	161.5	166.3	160.7	157.1	171.9	164.6	140.1	124.4	116.9	119.6	114.2	135.6	158.3	184.6	185.1	165.2	160.5	184.6	180.9	173.9	194.6	179.8	146.5	-9999.0
142	Norwegian Sea	235.4	234.3	239.9	245.2	255.4	256.3	272.1	274.8	265.8	273.5	274.8	256.2	266.1	269.8	259.3	254.9	254.3	239.7	257.2	269.9	300.8	276.9	275.2	269.1	264.9	260.9	289.5	283.1	281.3	274.7	-9999.0
144	Barents Sea	245.7	248.9	232.4	229.9	237.7	239.8	217.7	229.3	189.2	227.1	201.5	202.5	222.4	245.3	240.1	240.0	266.8	260.8	225.1	198.7	205.6	229.3	253.8	261.7	256.7	239.0	231.0	256.1	255.4	250.9	-9999.0
146	Kara Sea	188.1	185.4	192.7	202.2	200.3	202.8	204.6	203.5	200.4	197.8	205.8	200.3	198.9	196.6	206.2	208.8	199.0	210.8	218.6	223.1	220.0	224.5	219.9	212.0	217.2	232.4	241.6	252.9	260.0	260.1	-9999.0
148	Laptev Sea	181.4	181.6	169.4	161.2	171.0	188.0	194.0	192.4	199.6	200.1	202.2	211.2	218.0	215.3	204.5	195.1	198.9	205.1	198.8	206.4	204.1	209.4	221.8	231.1	232.5	221.6	227.2	232.5	238.8	242.9	-9999.0
150	East Siberian Sea	157.2	155.5	155.7	166.2	165.8	168.6	167.5	164.8	159.2	157.9	166.9	183.1	192.3	194.1	207.2	203.9	204.3	179.8	190.3	190.9	202.8	215.6	234.3	223.1	231.4	234.6	214.2	227.6	243.1	217.3	-9999.0
152	Gulf of Alaska	240.6	244.8	237.9	238.5	245.8	239.0	223.3	211.8	221.9	232.1	229.8	234.2	241.0	236.0	236.3	229.9	225.5	218.3	224.1	248.9	256.1	231.5	209.0	210.4	209.8	221.9	252.2	271.4	249.0	263.4	-9999.0
154	Southeast Bering Sea	253.8	228.5	219.9	228.4	257.3	241.0	231.6	205.2	202.3	166.5	170.8	204.2	211.5	220.2	214.0	210.8	180.4	185.8	198.9	205.3	230.6	229.0	201.6	197.1	209.5	240.4	287.5	269.5	288.4	262.8	-9999.0