1977 01 - 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	172.4	173.3	175.3	180.1	184.2	183.1	184.9	184.5	185.3	188.0	186.4	183.3	181.3	179.3	176.6	178.2	178.6	181.7	177.7	173.6	174.8	177.8	176.9	175.6	174.4	169.7	167.4	169.0	170.8	174.4	170.7
34	Hudson Bay	183.0	180.9	181.0	184.2	182.7	184.7	179.9	158.1	161.9	161.7	167.1	162.6	169.2	178.7	172.8	179.5	191.0	214.2	212.8	191.2	186.8	213.9	219.2	210.8	206.3	190.5	185.3	188.4	192.2	195.2	199.6
36	Hudson Strait	191.9	193.6	160.3	173.9	199.0	171.6	192.4	224.0	228.0	174.9	182.0	220.7	178.1	203.1	208.8	234.1	204.5	208.3	208.7	198.3	206.1	215.6	170.9	163.2	182.5	225.9	255.8	203.6	207.2	230.0	186.2
98	Bering Strait	206.6	207.7	198.5	237.1	245.6	221.0	230.7	236.0	200.7	195.7	210.7	203.2	195.2	180.4	200.4	204.1	208.2	214.1	211.4	195.6	203.0	219.0	215.6	229.2	247.0	227.6	202.9	191.5	185.2	176.2	167.5
128	Arctic subocean	145.3	174.6	145.9	133.3	183.1	171.2	130.4	124.5	134.4	180.6	207.7	174.5	174.1	171.9	181.1	146.1	132.4	124.0	123.0	138.9	157.4	148.0	140.1	144.8	139.3	152.2	142.7	130.1	131.3	120.9	120.0
130	Chukchi Sea	199.2	240.6	191.3	205.7	243.1	212.0	245.2	248.2	199.2	209.5	168.7	184.3	195.5	162.8	196.6	175.7	188.2	195.7	217.0	200.7	167.0	165.9	208.5	229.1	248.8	234.1	194.6	160.8	145.5	133.9	130.7
132	Beaufort Sea	196.2	203.7	189.7	189.0	227.4	233.6	183.1	188.3	189.3	171.0	158.6	184.5	172.7	168.4	174.6	197.5	221.2	230.2	202.5	198.4	216.5	221.4	219.2	219.1	225.4	223.8	191.6	179.0	191.7	216.9	204.9
134	Arctic Archipelago	166.1	149.7	154.3	163.9	145.7	133.7	142.4	140.7	149.5	187.0	195.1	160.5	207.2	221.0	208.2	194.1	164.8	188.2	171.4	161.3	156.7	162.8	169.1	144.2	145.3	131.6	149.5	168.0	171.9	160.5	174.4
136	Foxe Basin	168.0	136.9	134.8	155.5	158.7	157.6	156.5	188.9	248.9	257.1	207.2	215.5	250.8	229.8	232.4	205.6	176.1	183.9	218.2	194.8	188.3	162.7	162.1	198.3	166.2	184.7	176.5	198.5	199.7	181.3	161.6
138	Baffin Bay	120.1	118.2	115.3	111.6	120.8	126.0	113.4	122.7	180.7	260.6	237.7	167.1	155.1	132.6	134.2	123.1	121.9	133.7	130.1	172.7	173.1	151.4	136.7	134.3	120.8	120.4	115.6	108.9	112.1	118.6	111.7
139	South Greenland	138.0	132.8	158.9	139.0	138.3	140.1	181.6	163.5	198.6	213.5	202.5	165.7	145.1	135.1	133.0	140.6	159.0	149.4	151.6	148.6	137.1	134.2	151.3	169.3	146.5	133.9	128.3	135.4	135.7	136.2	139.0
140	Greenland Sea	114.1	123.5	127.3	137.5	141.8	146.0	123.4	117.0	119.8	181.9	150.6	140.5	150.2	139.8	143.4	127.4	115.7	118.3	112.5	109.3	133.2	135.2	136.4	128.8	121.6	111.8	120.7	132.7	109.3	108.7	115.5
142	Norwegian Sea	244.5	244.4	224.5	255.9	297.6	246.7	239.8	238.0	235.8	210.3	200.1	206.0	221.2	231.7	239.7	225.2	229.4	239.2	239.1	238.4	224.8	215.0	216.2	221.8	225.3	224.2	218.7	235.9	231.5	216.6	208.4
144	Barents Sea	217.2	216.7	226.6	231.1	249.2	261.8	237.3	229.6	224.2	214.0	199.5	212.1	221.7	215.8	208.2	218.6	204.3	182.1	172.0	172.1	180.2	179.8	187.6	186.4	186.2	185.8	212.7	234.2	238.6	222.7	218.5
146	Kara Sea	162.0	166.9	182.2	187.6	184.0	190.3	200.9	201.9	198.5	199.1	202.5	203.4	191.7	184.0	174.5	168.7	168.6	166.0	165.6	167.0	169.0	164.8	155.7	153.5	150.5	151.9	155.3	158.4	160.9	164.4	156.5
148	Laptev Sea	161.1	159.6	152.4	148.2	148.4	141.8	146.1	156.9	167.3	162.6	155.6	156.5	160.1	168.3	159.6	167.1	160.4	159.2	161.7	157.7	147.5	147.8	153.5	152.5	149.3	147.1	149.8	149.9	147.0	156.6	161.1
150	East Siberian Sea	154.2	160.1	163.1	162.7	161.3	162.4	197.1	205.4	172.0	162.8	172.5	169.2	172.0	163.1	175.6	172.1	167.3	168.1	165.4	166.4	166.3	167.5	158.3	152.9	165.5	153.8	143.3	146.7	158.6	162.7	152.6
152	Gulf of Alaska	241.8	227.0	216.9	281.6	285.0	238.8	253.8	261.3	225.8	241.2	270.0	247.6	227.6	245.4	256.9	258.5	260.4	239.9	223.1	230.5	268.2	251.5	261.9	270.6	275.1	273.2	247.4	260.0	254.0	259.4	243.6
154	Southeast Bering Sea	264.0	232.7	248.2	288.1	243.1	234.5	266.4	240.5	231.5	260.9	266.5	265.6	256.9	260.5	245.7	246.8	260.6	270.1	237.8	217.0	249.0	262.5	259.2	274.9	262.0	225.0	217.5	255.4	244.0	248.6	243.6