1979 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	187.1	190.6	189.4	190.2	189.8	190.3	196.4	199.2	200.5	201.6	204.8	206.8	211.2	212.4	210.0	212.8	217.1	220.0	220.8	221.5	223.6	219.0	217.0	224.2	223.0	220.5	224.4	224.6	227.0	225.0	-9999.0
34	Hudson Bay	188.6	204.5	210.2	207.9	195.4	192.3	210.8	217.5	228.1	231.9	239.8	247.4	268.4	271.7	255.5	240.9	248.7	260.2	273.4	270.3	260.7	239.7	235.9	254.2	255.6	241.4	234.9	242.7	245.1	235.6	-9999.0
36	Hudson Strait	171.4	151.9	227.1	240.0	167.5	166.5	188.7	216.9	253.3	225.9	271.0	241.9	223.3	209.2	198.7	209.7	198.1	193.8	200.4	223.9	282.1	242.8	191.9	178.7	206.9	273.7	240.4	272.0	257.2	260.4	-9999.0
98	Bering Strait	194.2	193.1	206.6	242.6	234.3	211.9	212.6	210.9	202.4	186.7	175.8	179.8	177.3	174.4	170.6	174.0	208.9	221.1	229.5	245.2	257.3	249.4	227.4	251.6	229.3	225.3	234.0	233.6	233.3	222.3	-9999.0
128	Arctic subocean	139.3	136.9	151.1	145.6	140.9	137.8	160.3	157.4	171.4	170.1	179.5	235.0	213.3	186.0	150.3	140.6	145.3	147.6	153.7	137.6	137.2	139.0	136.4	142.4	140.2	141.5	142.6	145.4	172.1	170.4	-9999.0
130	Chukchi Sea	174.4	179.2	186.9	224.7	221.3	210.6	203.4	166.9	151.7	153.4	150.8	158.8	164.2	154.0	157.9	154.9	202.9	250.0	239.0	245.6	247.7	246.1	234.8	266.8	236.4	212.8	261.2	250.3	261.5	211.6	-9999.0
132	Beaufort Sea	185.9	188.9	175.5	170.7	202.1	230.4	216.8	240.8	238.9	227.8	222.8	215.8	211.1	218.3	218.3	216.4	215.4	232.3	227.9	231.7	238.7	243.1	251.1	243.0	249.4	242.4	244.8	241.6	244.3	232.1	-9999.0
134	Arctic Archipelago	147.3	164.8	163.2	155.0	164.2	161.1	168.5	178.9	194.6	213.1	232.5	232.6	224.1	222.6	240.5	231.5	232.3	196.7	177.9	183.1	169.4	165.9	180.6	173.6	170.7	171.4	204.6	198.9	192.7	174.8	-9999.0
136	Foxe Basin	200.2	175.9	148.8	205.2	209.8	173.0	186.9	182.8	218.6	271.0	257.4	244.2	203.5	233.4	225.2	211.9	186.9	209.6	202.9	173.8	202.9	168.8	157.0	177.4	191.4	195.4	176.5	168.0	207.9	211.3	-9999.0
138	Baffin Bay	131.8	160.6	129.3	125.6	126.0	158.8	168.0	168.3	174.1	173.3	169.2	206.2	180.9	176.8	140.7	131.9	130.3	153.3	165.2	163.7	157.0	159.7	174.7	153.3	135.6	126.1	170.0	166.9	140.5	128.1	-9999.0
139	South Greenland	172.5	181.1	150.8	140.6	167.6	191.9	207.9	201.5	195.6	196.2	187.4	163.4	158.4	157.7	168.5	204.4	201.3	187.0	169.7	171.6	175.8	176.2	175.5	164.9	171.0	187.6	213.7	179.4	187.2	173.5	-9999.0
140	Greenland Sea	150.5	134.6	131.2	100.1	97.1	118.6	142.6	143.6	145.9	144.4	138.0	171.8	188.5	153.3	128.8	119.2	127.4	128.8	137.5	121.7	121.4	119.9	128.9	135.7	122.2	130.8	135.3	144.6	134.3	124.6	-9999.0
142	Norwegian Sea	243.1	248.1	245.0	236.1	224.9	239.8	241.2	220.0	216.6	230.9	252.2	235.9	217.3	221.3	209.2	229.6	235.2	254.3	269.0	277.5	265.5	245.0	240.1	243.5	253.1	274.6	254.9	265.8	265.3	239.6	-9999.0
144	Barents Sea	186.9	187.4	190.9	202.9	203.2	193.0	183.7	186.2	206.5	212.6	212.6	224.7	217.4	205.5	220.7	227.7	231.9	232.7	218.0	211.2	224.6	221.3	226.7	230.1	230.1	231.9	281.4	286.2	266.1	271.5	-9999.0
146	Kara Sea	204.4	201.0	193.5	191.2	194.8	187.3	195.3	198.7	190.6	192.1	201.1	207.0	221.4	227.2	227.2	231.9	235.8	236.3	238.2	235.7	241.9	236.5	230.5	240.2	236.5	232.4	219.6	228.2	247.6	259.5	-9999.0
148	Laptev Sea	182.3	182.7	185.1	189.9	190.1	197.0	197.7	192.0	189.7	190.1	184.6	187.1	192.9	194.7	193.8	202.1	206.5	210.4	211.7	210.7	201.9	211.2	212.9	222.7	230.9	225.4	230.4	213.9	203.1	213.3	-9999.0
150	East Siberian Sea	189.7	197.7	205.6	192.9	164.0	151.9	158.0	158.7	162.9	181.1	197.7	169.7	170.7	176.4	176.5	185.9	161.6	151.9	161.2	167.8	178.7	177.7	179.8	189.0	180.2	195.3	191.8	202.5	202.4	175.4	-9999.0
152	Gulf of Alaska	217.2	221.2	256.4	286.0	254.8	231.5	256.6	233.6	237.4	233.6	210.2	199.4	190.6	202.5	207.3	216.6	239.4	235.8	233.0	264.0	262.6	252.3	235.5	267.2	256.3	232.6	240.5	248.2	240.8	242.9	-9999.0
154	Southeast Bering Sea	231.6	271.4	298.5	286.4	253.2	257.9	246.0	238.8	243.1	213.9	202.4	196.3	190.6	180.5	188.6	232.6	281.3	278.1	254.7	297.9	286.7	266.2	265.9	279.2	261.1	233.1	280.6	279.0	265.7	256.8	-9999.0