1950 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	196.7	202.6	200.9	201.2	211.3	214.5	213.7	210.0	207.4	203.6	203.2	205.2	209.9	211.9	217.2	216.5	215.2	214.4	218.7	223.1	224.5	224.4	223.6	228.9	233.8	236.3	233.8	233.4	233.3	233.2	-9999.0
34	Hudson Bay	221.4	241.2	226.2	205.3	204.7	210.6	192.2	177.3	212.3	230.6	226.5	215.4	226.6	235.5	240.4	264.7	268.1	252.2	243.4	236.6	237.4	235.5	228.5	230.4	234.5	243.2	240.8	234.8	231.5	234.0	-9999.0
36	Hudson Strait	170.9	166.4	201.8	177.3	179.4	186.2	136.4	151.0	168.7	175.5	206.4	225.1	191.1	186.2	230.2	225.7	191.9	199.0	201.8	267.5	255.4	254.5	243.3	248.8	263.3	252.1	248.6	245.1	257.3	253.7	-9999.0
98	Bering Strait	173.8	179.8	175.9	173.5	220.5	210.3	220.5	216.1	210.3	203.8	207.4	218.8	214.7	207.8	211.0	205.7	201.6	201.5	235.2	235.5	227.5	212.5	202.4	199.9	207.5	211.2	197.7	213.5	227.1	213.3	-9999.0
128	Arctic subocean	143.7	151.4	152.8	157.0	166.3	155.3	127.2	119.8	119.9	137.6	133.5	129.1	128.4	138.1	139.1	145.7	139.3	125.1	121.4	131.2	140.8	150.1	163.7	164.9	162.4	161.0	181.9	167.8	171.1	185.3	-9999.0
130	Chukchi Sea	168.2	178.5	212.7	199.0	257.9	223.0	224.6	262.0	231.9	208.4	198.8	191.0	189.6	186.7	179.9	201.0	187.7	178.6	200.0	208.6	193.6	192.4	189.0	186.2	190.8	186.3	164.1	163.0	208.3	216.6	-9999.0
132	Beaufort Sea	220.3	220.8	190.0	185.7	213.3	196.7	211.1	214.8	214.8	201.4	204.7	241.1	236.8	214.5	231.4	231.6	221.7	214.0	227.0	266.5	263.7	232.2	221.1	216.2	231.6	230.7	227.6	221.4	234.8	238.6	-9999.0
134	Arctic Archipelago	157.0	162.7	155.0	152.7	150.3	166.7	192.0	174.7	140.9	136.7	158.3	180.7	230.4	208.8	169.2	171.4	173.6	176.6	176.3	169.9	202.9	208.5	175.1	171.8	191.2	192.6	188.8	183.2	188.6	209.5	-9999.0
136	Foxe Basin	145.2	161.4	156.9	146.0	150.5	144.2	161.9	203.4	171.2	160.1	161.4	135.5	187.9	242.3	229.8	160.8	200.8	225.7	226.4	181.6	161.5	187.2	213.3	199.1	209.4	224.2	233.4	225.4	183.7	180.4	-9999.0
138	Baffin Bay	109.5	98.5	93.8	92.9	94.3	95.2	111.1	121.7	112.4	118.2	117.0	142.4	141.8	135.2	164.6	155.8	138.4	121.9	133.3	141.6	150.5	146.8	156.4	177.4	124.8	127.0	126.4	133.0	134.5	133.8	-9999.0
139	South Greenland	148.9	136.6	123.6	123.7	123.8	142.7	166.7	153.5	153.5	149.0	150.8	170.8	193.0	166.9	191.8	178.2	170.2	160.7	151.8	148.3	190.1	201.5	202.3	218.9	197.3	195.9	183.4	185.5	180.9	162.0	-9999.0
140	Greenland Sea	110.1	101.6	100.4	101.9	107.5	111.0	118.7	131.4	168.8	179.0	165.4	150.2	149.1	149.3	136.6	143.8	141.2	132.4	118.0	118.9	132.5	143.6	133.5	155.9	137.5	121.6	149.6	164.6	156.4	153.6	-9999.0
142	Norwegian Sea	273.6	278.5	275.7	250.9	222.6	231.0	225.4	268.5	272.5	264.6	262.8	274.9	262.8	249.2	256.9	260.2	271.1	294.4	289.3	267.7	297.1	280.3	258.9	246.9	253.7	280.0	271.4	270.6	262.4	252.9	-9999.0
144	Barents Sea	262.1	283.2	277.7	271.0	276.2	275.5	221.2	198.0	215.3	230.3	243.8	245.7	249.5	271.7	290.6	265.3	247.1	260.8	281.1	280.1	261.0	265.2	279.7	285.3	293.3	283.1	256.4	293.4	288.4	298.6	-9999.0
146	Kara Sea	208.9	222.7	234.8	249.4	246.4	249.8	252.0	247.8	222.6	211.0	200.6	196.7	205.3	219.2	226.6	230.7	236.9	235.5	233.3	233.2	235.5	240.7	247.5	260.5	269.7	272.8	266.4	256.2	253.6	252.4	-9999.0
148	Laptev Sea	197.8	192.2	192.9	198.5	226.0	239.9	238.1	229.8	229.9	214.6	214.7	205.5	194.1	188.5	194.5	191.2	190.9	197.5	211.0	222.4	217.6	219.7	222.8	228.3	237.9	245.9	251.9	254.3	256.5	253.5	-9999.0
150	East Siberian Sea	176.0	173.4	178.8	175.1	184.9	190.5	192.1	210.3	222.5	218.5	229.2	224.7	219.6	238.7	215.3	182.2	179.7	193.4	195.4	199.2	201.1	205.3	199.9	193.4	197.2	199.6	216.1	212.3	198.2	204.8	-9999.0
152	Gulf of Alaska	208.6	195.1	183.7	176.1	198.5	209.1	214.1	221.0	216.5	207.9	226.6	231.4	238.8	235.3	242.5	222.8	216.7	255.2	274.0	240.6	213.3	217.5	232.5	226.9	220.4	220.1	223.3	254.7	254.4	238.1	-9999.0
154	Southeast Bering Sea	176.8	163.6	169.9	206.7	262.0	225.8	265.8	280.1	230.6	253.3	234.3	220.8	224.3	226.4	206.3	222.0	228.6	245.0	253.1	253.4	216.7	242.4	241.3	228.2	221.7	218.2	240.7	263.9	244.0	235.8	-9999.0