1979 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	159.4	161.6	160.8	160.2	161.0	163.1	168.5	171.5	172.5	174.5	176.6	178.4	183.0	184.8	185.2	188.7	192.7	194.7	194.2	195.1	196.4	193.8	193.2	197.2	197.4	195.9	195.8	197.3	199.5	199.3	-9999.0
34	Hudson Bay	159.4	166.9	171.8	171.1	165.1	167.6	181.3	188.1	197.2	202.8	209.4	216.3	228.5	231.2	227.3	223.6	227.6	237.2	244.5	238.6	229.4	214.8	211.0	224.4	225.5	216.5	209.2	213.9	212.6	209.6	-9999.0
36	Hudson Strait	160.3	140.9	172.5	186.5	155.3	152.5	169.0	182.4	207.0	204.1	220.1	215.8	206.3	199.9	191.9	192.2	185.8	184.9	188.7	199.0	227.7	216.8	177.8	164.0	177.4	230.6	204.7	228.2	223.5	225.7	-9999.0
98	Bering Strait	167.7	167.9	177.2	193.9	190.8	182.3	182.7	181.4	174.8	166.0	160.9	161.9	160.6	158.6	156.2	157.9	175.9	187.4	191.8	204.1	215.0	212.0	197.8	205.5	199.4	197.7	201.3	207.8	211.2	205.3	-9999.0
128	Arctic subocean	125.8	126.0	131.1	118.5	117.0	123.1	134.8	132.3	137.0	146.6	157.2	180.7	172.7	153.3	131.5	127.5	126.8	131.8	131.1	123.9	125.0	124.6	124.6	128.5	130.5	130.7	130.3	133.0	144.6	144.6	-9999.0
130	Chukchi Sea	160.5	165.3	167.8	183.5	180.0	178.1	177.8	156.7	144.5	148.1	145.9	149.4	149.3	145.2	141.5	140.9	164.9	195.9	191.8	200.6	210.9	208.3	198.7	212.7	197.2	190.6	207.4	210.9	220.8	192.0	-9999.0
132	Beaufort Sea	147.9	146.2	143.7	144.8	163.4	182.8	185.7	200.5	199.1	193.4	186.3	181.3	180.6	182.8	182.8	183.3	191.2	201.0	200.1	202.1	207.7	211.2	213.9	210.4	219.1	218.5	218.5	221.8	226.6	216.7	-9999.0
134	Arctic Archipelago	113.9	122.2	123.0	122.6	132.1	135.2	140.3	150.4	168.8	181.3	189.0	188.1	182.6	184.1	189.5	190.7	188.6	170.1	159.4	161.2	151.6	146.4	152.6	153.9	152.2	152.1	169.2	174.1	170.5	162.8	-9999.0
136	Foxe Basin	145.4	126.0	123.4	150.7	160.8	152.2	168.3	167.2	185.4	221.0	211.9	204.8	185.2	196.2	199.5	189.8	181.5	187.7	174.8	161.1	171.0	151.4	135.4	139.3	149.3	158.4	145.3	151.5	172.8	175.2	-9999.0
138	Baffin Bay	114.2	135.5	107.5	101.1	111.5	134.4	144.8	142.5	143.6	149.5	154.8	174.8	162.6	151.0	134.5	129.1	127.4	137.3	138.4	137.0	133.6	133.1	142.1	132.5	120.7	112.7	140.1	135.6	123.7	119.8	-9999.0
139	South Greenland	144.0	151.1	136.1	124.7	142.8	160.1	173.6	177.7	174.4	173.6	169.2	151.6	149.7	149.5	154.7	176.4	175.8	169.9	157.9	155.3	157.3	154.7	155.1	146.4	147.0	161.7	172.6	154.8	157.8	157.4	-9999.0
140	Greenland Sea	128.8	126.6	121.4	91.3	90.4	111.2	131.5	133.2	131.9	129.1	130.9	152.3	167.8	141.9	117.8	112.6	115.5	119.0	126.8	114.3	114.3	113.1	121.6	127.2	116.0	118.3	122.5	127.0	119.0	114.5	-9999.0
142	Norwegian Sea	219.8	223.9	218.8	216.6	213.8	215.8	214.3	204.0	198.5	205.7	218.3	210.4	198.0	196.2	195.1	199.1	205.8	212.0	227.4	234.1	230.2	225.5	223.5	222.9	225.2	229.8	225.1	224.4	222.8	214.8	-9999.0
144	Barents Sea	177.6	174.9	175.6	179.5	179.8	174.0	169.6	173.0	184.3	191.7	191.4	192.0	184.9	179.2	186.1	189.3	190.3	190.6	187.7	188.2	195.3	195.2	198.5	206.6	214.6	216.8	238.0	246.7	237.4	241.1	-9999.0
146	Kara Sea	176.6	176.1	170.2	166.8	164.7	160.4	165.5	169.1	162.9	163.9	169.3	176.5	191.1	199.1	201.6	207.0	213.5	212.8	210.8	212.5	217.7	216.4	213.5	215.7	211.3	204.6	195.6	200.0	216.3	225.4	-9999.0
148	Laptev Sea	152.7	155.5	157.4	159.0	163.6	168.6	168.3	161.1	159.2	160.1	158.6	158.8	162.3	166.1	172.0	180.5	183.3	185.5	184.7	182.6	176.4	180.8	189.3	197.1	205.2	202.8	200.1	185.7	176.3	181.8	-9999.0
150	East Siberian Sea	156.3	161.3	165.2	162.2	148.4	137.0	137.8	143.5	151.8	161.2	166.7	151.9	153.2	157.8	158.5	158.2	143.8	134.3	137.4	147.6	152.6	150.6	152.4	159.2	153.9	164.5	170.3	182.6	175.9	155.1	-9999.0
152	Gulf of Alaska	194.3	193.0	213.6	225.5	212.1	202.6	211.8	207.2	208.0	205.6	199.1	193.2	184.0	185.9	186.6	193.6	205.9	207.3	208.0	221.7	228.2	224.5	217.2	229.2	223.7	216.5	220.7	228.1	226.1	228.7	-9999.0
154	Southeast Bering Sea	212.9	227.8	242.8	230.8	218.0	218.1	217.8	216.7	213.1	197.4	191.1	187.8	184.5	173.5	170.9	190.2	226.9	225.5	215.9	242.3	240.1	233.2	230.5	232.5	224.2	209.2	233.3	239.4	232.5	227.7	-9999.0