1954 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	192.9	194.1	195.6	201.9	204.7	205.5	205.0	203.3	206.3	208.4	208.9	212.8	218.3	219.0	217.7	220.0	223.7	223.4	222.2	219.5	215.2	216.4	219.9	222.1	222.0	224.3	226.6	228.3	230.2	231.8	-9999.0
34	Hudson Bay	192.5	169.5	174.9	208.3	229.1	229.5	205.2	198.0	216.1	234.3	229.9	235.4	246.4	246.1	252.0	251.3	251.5	245.5	238.4	229.5	220.7	231.7	229.6	236.4	242.9	239.5	237.5	243.3	250.4	240.5	-9999.0
36	Hudson Strait	173.3	187.4	176.8	178.2	177.4	173.2	180.6	195.1	177.8	179.6	161.4	153.4	167.0	174.1	172.3	164.0	237.2	262.0	266.7	238.2	227.0	201.6	221.3	184.1	176.9	205.5	205.9	204.2	227.4	220.8	-9999.0
98	Bering Strait	220.3	215.8	196.8	222.5	202.3	173.3	194.4	199.7	206.1	195.1	180.5	198.2	204.0	211.7	212.9	200.2	194.1	194.8	194.2	195.3	195.6	210.4	216.1	210.7	206.5	207.5	220.8	218.6	229.1	241.8	-9999.0
128	Arctic subocean	136.4	107.1	114.2	128.3	128.8	139.7	152.5	169.9	150.4	142.3	148.3	158.1	154.2	146.4	145.4	141.1	145.7	138.3	145.0	143.4	165.9	161.3	153.2	149.6	181.9	196.6	194.6	179.0	179.9	180.8	-9999.0
130	Chukchi Sea	210.8	217.0	221.2	233.6	239.7	243.6	227.3	183.0	176.2	196.8	174.9	167.3	171.4	173.7	179.5	165.6	169.0	188.0	199.7	190.2	222.8	213.2	217.7	218.2	225.6	236.6	222.9	223.5	262.7	254.8	-9999.0
132	Beaufort Sea	160.2	159.8	174.8	180.4	155.8	148.0	173.0	193.3	214.0	217.1	216.3	220.8	241.8	224.6	201.9	228.0	227.7	214.5	208.0	203.1	214.2	227.1	216.5	204.1	199.4	198.1	202.0	199.8	207.0	210.4	-9999.0
134	Arctic Archipelago	143.2	150.4	150.6	146.1	153.4	169.2	179.2	169.6	164.9	164.0	180.4	178.5	183.5	191.9	201.3	187.7	183.2	192.0	195.3	188.7	187.9	183.8	189.0	185.0	179.2	184.0	198.5	198.1	194.4	195.0	-9999.0
136	Foxe Basin	204.5	188.9	176.8	164.9	184.1	202.1	187.5	162.4	162.7	171.7	177.1	183.6	186.4	179.7	175.7	188.4	211.9	238.6	245.4	241.4	223.7	208.6	204.9	178.2	181.8	172.9	178.9	208.3	223.8	239.6	-9999.0
138	Baffin Bay	133.1	131.0	148.2	154.0	152.7	164.7	146.9	137.7	143.0	156.6	149.7	131.6	122.5	124.0	116.0	124.0	140.1	132.4	149.4	194.0	183.5	181.8	177.2	173.8	155.4	157.4	162.0	174.5	182.6	210.9	-9999.0
139	South Greenland	180.6	185.0	183.0	176.3	183.0	171.8	160.6	162.1	171.7	165.1	156.8	157.6	150.8	156.7	180.4	183.4	169.0	165.9	211.4	231.9	194.6	184.8	197.9	207.4	211.5	210.3	217.4	228.5	243.0	224.2	-9999.0
140	Greenland Sea	142.2	142.8	145.3	141.9	133.7	145.7	172.3	148.6	156.4	188.3	168.9	146.7	123.6	115.4	112.6	117.4	120.2	110.8	119.7	152.7	174.5	157.0	144.5	158.2	154.8	153.9	147.7	152.1	156.3	181.3	-9999.0
142	Norwegian Sea	256.2	243.7	251.0	259.0	261.8	234.1	219.3	236.9	245.9	269.5	276.0	255.8	244.5	239.5	241.4	230.6	283.2	276.1	252.2	273.1	238.8	267.5	249.6	243.4	243.1	262.6	263.4	263.6	242.7	245.6	-9999.0
144	Barents Sea	221.8	241.4	251.9	247.7	252.2	256.9	220.0	211.7	201.7	218.2	240.0	244.5	249.4	255.4	252.7	260.4	262.4	248.6	243.7	250.6	243.3	257.3	262.4	264.2	251.4	230.5	239.8	262.4	257.9	252.8	-9999.0
146	Kara Sea	218.9	223.2	220.2	219.3	219.7	222.6	223.6	226.2	224.2	212.1	211.0	217.7	228.3	231.4	228.1	231.2	235.5	244.6	243.3	232.0	219.7	219.7	230.4	241.1	245.7	247.8	243.4	244.2	241.2	247.8	-9999.0
148	Laptev Sea	166.7	179.2	187.6	197.0	206.7	211.2	219.0	209.1	216.9	229.1	232.2	232.8	225.6	230.2	234.9	232.8	233.1	227.1	219.6	213.9	214.1	208.1	208.5	214.8	221.0	233.7	237.5	230.2	226.2	221.5	-9999.0
150	East Siberian Sea	235.4	240.1	229.7	216.1	228.4	244.6	241.9	245.1	211.1	200.6	222.6	234.1	239.4	232.0	212.7	218.7	242.3	247.5	229.2	233.3	257.5	249.1	254.8	232.1	209.5	219.4	233.8	223.7	215.9	229.5	-9999.0
152	Gulf of Alaska	216.1	203.1	187.2	206.7	205.7	169.5	177.3	189.7	210.9	201.1	204.6	237.2	235.6	225.5	223.2	224.2	221.6	210.4	204.0	206.9	195.6	203.5	213.2	218.4	204.9	213.2	218.5	227.0	225.7	249.6	-9999.0
154	Southeast Bering Sea	214.0	219.7	210.7	213.4	213.9	203.1	225.9	188.6	179.9	187.9	190.1	187.7	219.6	229.4	225.1	221.3	213.4	211.0	204.2	197.0	195.3	199.2	222.1	257.4	257.9	253.5	253.5	266.2	280.4	251.8	-9999.0