1954 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	164.9	165.8	167.4	170.6	174.0	174.5	174.7	175.0	177.4	178.9	179.9	182.5	186.2	187.7	188.2	190.7	191.2	191.0	191.9	190.2	186.1	186.5	189.8	193.1	195.5	197.9	199.9	200.6	201.8	203.2	-9999.0
34	Hudson Bay	149.5	137.6	147.6	173.6	192.2	194.7	176.4	172.2	186.8	199.0	197.6	203.1	209.9	214.2	213.2	215.0	212.9	202.9	199.9	200.6	197.0	198.0	197.1	202.5	206.8	209.0	206.3	205.5	208.0	208.3	-9999.0
36	Hudson Strait	135.8	144.5	138.1	139.8	146.8	148.6	148.8	159.4	141.9	148.1	146.1	138.2	142.8	148.9	150.1	155.8	189.0	217.5	217.4	202.3	188.3	176.8	177.5	159.5	160.2	173.7	173.3	179.0	191.3	205.0	-9999.0
98	Bering Strait	193.3	192.9	184.2	187.7	173.3	157.2	171.0	171.9	175.6	169.1	163.4	174.5	177.6	180.6	183.3	179.7	178.1	177.7	178.6	177.7	179.1	186.0	189.8	188.1	188.5	190.5	193.6	194.6	200.6	204.6	-9999.0
128	Arctic subocean	115.0	97.7	109.5	123.9	125.6	133.3	142.7	141.6	137.1	134.3	139.0	139.4	133.9	128.5	129.2	124.9	127.6	123.8	127.5	135.2	148.0	148.5	142.8	140.5	154.0	162.6	161.3	160.3	165.5	167.0	-9999.0
130	Chukchi Sea	204.2	207.4	205.6	205.0	203.0	199.3	191.5	167.8	164.1	167.9	160.3	159.3	160.6	162.4	166.6	157.3	161.2	174.5	182.4	181.1	189.4	188.4	199.2	203.8	207.3	208.8	203.9	205.1	220.4	214.8	-9999.0
132	Beaufort Sea	135.3	139.5	146.3	145.1	129.6	126.3	147.6	168.8	177.9	177.8	182.8	186.0	196.7	185.6	177.6	189.5	187.1	182.4	178.8	176.7	181.8	185.5	178.4	172.8	170.5	168.4	168.6	169.3	172.6	179.4	-9999.0
134	Arctic Archipelago	125.0	127.5	123.0	123.8	130.2	137.5	145.2	146.1	143.1	144.4	151.4	149.7	152.8	159.9	160.9	157.1	157.5	164.0	165.5	163.5	160.3	157.3	158.6	157.3	155.7	161.0	166.6	171.9	175.4	174.8	-9999.0
136	Foxe Basin	162.8	154.8	151.1	149.8	152.4	150.7	135.6	127.4	130.2	137.2	141.5	144.0	145.0	143.9	146.3	159.1	166.9	180.1	194.8	187.6	175.0	169.7	163.7	158.6	163.1	164.4	166.0	178.4	192.0	202.1	-9999.0
138	Baffin Bay	125.8	122.4	141.7	148.0	145.0	147.6	133.2	124.3	129.4	136.7	131.7	119.6	113.3	111.8	108.9	113.4	119.1	119.8	134.7	161.7	155.7	158.3	156.6	152.6	145.0	146.4	151.8	160.3	169.1	184.9	-9999.0
139	South Greenland	158.1	156.4	154.1	150.4	157.3	144.1	136.7	138.4	140.9	137.1	130.0	130.7	130.0	132.1	150.5	153.2	143.7	149.0	179.2	188.4	166.4	161.8	172.0	180.6	185.6	188.6	190.3	193.9	201.8	200.9	-9999.0
140	Greenland Sea	133.4	131.3	134.8	132.6	129.8	136.9	145.6	135.0	141.1	150.6	140.2	128.2	113.3	108.4	106.3	109.4	107.2	104.7	113.6	136.9	146.5	141.5	138.0	144.8	144.5	142.7	138.2	138.8	147.2	165.3	-9999.0
142	Norwegian Sea	222.0	219.4	219.5	221.6	218.9	210.7	204.2	207.6	218.5	233.4	239.3	224.5	216.1	212.6	210.5	207.1	233.6	230.6	223.0	226.6	206.8	220.7	218.3	211.8	214.9	221.7	219.4	221.5	211.8	214.9	-9999.0
144	Barents Sea	203.4	206.3	209.4	206.5	209.2	211.5	194.7	182.9	183.6	197.1	212.8	220.1	221.8	221.3	223.8	225.8	227.4	224.9	221.0	221.0	222.2	223.6	225.3	225.4	217.7	211.3	216.0	224.3	225.4	226.8	-9999.0
146	Kara Sea	184.7	189.7	185.8	184.1	188.7	191.5	193.5	195.7	192.4	185.4	183.3	188.1	197.4	202.7	202.9	206.1	208.0	212.5	213.5	203.9	192.7	194.8	205.7	216.9	223.4	223.6	223.1	223.2	221.1	221.9	-9999.0
148	Laptev Sea	150.0	154.6	162.5	165.5	169.3	172.9	176.6	175.9	183.6	190.8	193.7	190.8	186.0	189.3	193.7	193.6	190.7	185.2	181.5	177.8	176.0	173.0	175.8	181.6	187.9	196.6	207.1	206.0	201.2	192.3	-9999.0
150	East Siberian Sea	193.1	196.1	192.6	184.5	194.8	203.5	205.7	201.9	185.4	181.4	193.6	200.9	203.2	196.9	186.0	190.7	197.2	198.4	194.5	197.7	206.6	206.1	203.1	186.7	179.9	189.2	192.6	181.5	180.6	190.3	-9999.0
152	Gulf of Alaska	189.3	188.4	178.6	187.4	183.9	155.6	160.4	171.8	183.2	177.8	183.9	204.1	204.6	198.5	197.6	199.3	197.1	192.1	192.7	191.6	189.2	187.3	193.4	194.9	193.0	195.8	197.3	201.7	203.2	210.0	-9999.0
154	Southeast Bering Sea	208.5	208.6	203.9	207.2	205.5	186.0	194.8	176.3	169.8	172.9	175.2	177.6	188.2	192.9	200.0	201.4	196.3	196.6	197.4	195.6	194.2	194.6	208.1	226.4	224.8	223.0	221.5	228.0	229.4	218.4	-9999.0