1971 02 - 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	175.6	171.8	167.9	168.1	168.5	174.2	176.1	178.4	180.4	176.0	170.6	166.7	169.2	165.8	166.4	167.9	168.6	168.1	164.5	164.2	164.7	166.5	167.8	167.1	170.8	169.3	164.5	162.7	-9999.0	-9999.0	-9999.0
34	Hudson Bay	165.0	161.0	164.3	186.8	189.1	193.8	181.9	184.3	188.1	188.8	182.4	171.3	193.3	199.6	199.9	219.5	218.3	202.5	187.0	183.7	187.9	204.8	207.9	217.1	229.5	222.7	215.2	204.5	-9999.0	-9999.0	-9999.0
36	Hudson Strait	158.8	169.3	165.9	150.1	145.8	192.3	185.0	186.5	197.1	187.8	171.0	145.9	152.9	140.7	172.1	154.8	175.2	194.3	177.2	163.9	182.9	166.4	156.0	147.8	153.2	150.9	160.5	185.9	-9999.0	-9999.0	-9999.0
98	Bering Strait	172.4	176.6	165.7	154.2	177.2	223.5	219.5	215.9	225.3	211.9	185.8	177.6	180.5	169.1	173.1	183.0	181.7	196.0	193.7	207.5	213.4	209.4	193.8	163.5	157.9	151.2	157.0	155.9	-9999.0	-9999.0	-9999.0
128	Arctic subocean	160.8	140.4	127.8	127.5	132.0	138.7	140.4	138.9	134.7	117.3	118.5	113.1	128.2	135.5	131.9	128.8	125.3	120.6	139.7	142.0	123.2	113.7	115.9	112.1	115.1	124.9	126.3	129.6	-9999.0	-9999.0	-9999.0
130	Chukchi Sea	131.5	131.4	129.9	139.1	138.7	143.8	133.8	173.6	206.9	182.1	138.9	142.2	148.1	140.2	126.7	148.8	161.2	175.8	185.9	149.5	167.7	181.4	155.5	122.1	140.0	162.1	152.5	113.2	-9999.0	-9999.0	-9999.0
132	Beaufort Sea	170.8	170.7	173.0	169.3	162.4	178.1	194.7	218.5	214.7	206.3	199.6	210.3	209.4	210.1	204.7	211.3	201.9	195.6	193.5	208.5	225.8	226.4	224.1	215.8	199.4	176.7	172.0	164.6	-9999.0	-9999.0	-9999.0
134	Arctic Archipelago	177.7	161.5	149.8	153.9	152.1	146.8	157.4	161.8	152.3	140.1	140.2	140.8	142.2	136.6	139.9	135.9	139.4	153.1	164.8	160.0	158.7	157.2	165.3	184.1	195.7	192.1	187.4	177.8	-9999.0	-9999.0	-9999.0
136	Foxe Basin	195.7	168.8	157.2	141.1	145.4	161.2	188.3	202.7	192.0	187.4	175.1	177.6	166.9	152.5	156.0	125.5	127.1	130.3	147.9	156.7	139.7	140.6	147.4	146.5	156.2	161.9	163.8	154.8	-9999.0	-9999.0	-9999.0
138	Baffin Bay	139.5	138.8	116.6	119.6	95.0	89.8	90.6	97.3	102.7	106.7	111.8	114.8	115.4	106.8	110.2	109.4	109.7	110.7	102.4	88.3	90.1	100.4	97.2	119.7	124.7	132.5	122.8	120.3	-9999.0	-9999.0	-9999.0
139	South Greenland	153.8	157.2	145.5	123.9	122.9	130.9	118.4	120.8	131.9	150.2	152.6	134.2	122.8	121.5	115.6	121.9	131.8	129.3	127.4	121.3	114.3	116.2	140.6	138.3	196.0	163.4	151.6	167.3	-9999.0	-9999.0	-9999.0
140	Greenland Sea	116.1	115.0	103.8	98.6	89.4	87.7	100.7	118.2	130.6	130.8	133.8	132.9	143.3	156.8	142.4	129.8	116.4	125.4	149.0	132.3	112.3	114.2	137.0	151.3	149.1	168.2	133.1	153.4	-9999.0	-9999.0	-9999.0
142	Norwegian Sea	209.2	257.8	264.4	260.7	249.7	240.5	248.9	233.6	257.0	258.7	270.9	254.5	268.4	247.6	230.5	233.7	241.0	235.3	227.7	229.3	242.2	241.7	242.0	232.6	192.0	196.3	196.2	200.9	-9999.0	-9999.0	-9999.0
144	Barents Sea	214.3	222.3	229.3	224.9	229.7	216.8	206.7	193.1	181.3	169.9	179.3	193.9	197.5	188.2	185.5	190.8	181.9	191.0	195.6	193.3	188.6	187.8	183.1	176.4	166.6	161.3	157.8	165.4	-9999.0	-9999.0	-9999.0
146	Kara Sea	184.6	180.0	172.8	170.3	169.5	172.6	180.0	187.2	191.4	184.6	175.8	170.4	172.7	164.3	165.3	163.3	165.4	162.1	154.1	151.6	148.1	148.0	151.8	147.0	147.7	154.5	152.7	151.5	-9999.0	-9999.0	-9999.0
148	Laptev Sea	170.7	163.3	169.8	168.0	165.0	159.6	160.7	160.3	158.4	158.7	157.9	153.0	146.0	142.7	147.4	139.5	142.9	148.1	145.9	143.0	140.6	146.0	143.7	150.6	154.6	158.6	149.0	145.2	-9999.0	-9999.0	-9999.0
150	East Siberian Sea	191.7	188.1	170.5	171.4	166.0	180.0	185.8	143.3	149.2	155.1	150.3	144.9	135.5	142.0	150.8	147.2	147.6	146.7	150.2	152.9	151.9	150.1	166.6	169.4	170.7	167.1	150.8	148.3	-9999.0	-9999.0	-9999.0
152	Gulf of Alaska	233.6	205.3	187.2	190.5	242.9	283.6	285.8	268.3	271.6	229.6	225.0	250.5	263.4	238.5	232.1	237.0	240.6	239.1	222.6	267.7	277.1	251.7	214.4	180.1	167.6	161.7	188.8	229.6	-9999.0	-9999.0	-9999.0
154	Southeast Bering Sea	221.5	185.1	181.2	216.4	281.4	260.5	269.5	273.6	252.1	223.0	227.3	187.6	192.2	211.8	179.1	175.3	195.7	191.3	199.9	242.7	256.1	189.7	139.2	148.8	160.6	203.2	255.6	231.0	-9999.0	-9999.0	-9999.0