1963 02 - 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	146.3	143.4	144.9	148.8	152.0	154.0	155.5	157.0	156.9	154.6	153.2	149.4	145.0	142.1	144.1	147.4	147.3	148.0	149.1	151.8	153.7	152.0	153.5	158.7	157.1	154.5	150.2	148.2	-9999.0	-9999.0	-9999.0
34	Hudson Bay	141.8	129.7	131.1	145.8	171.3	179.1	175.4	177.0	170.2	167.8	179.7	180.2	160.8	140.6	139.2	147.8	144.8	131.6	131.2	128.0	134.5	140.8	142.7	145.0	145.7	155.7	153.4	149.7	-9999.0	-9999.0	-9999.0
36	Hudson Strait	128.7	150.8	193.6	150.3	122.5	112.7	146.1	165.1	172.8	200.0	185.6	174.5	172.0	166.0	168.5	140.6	111.0	116.4	114.3	119.6	124.4	139.3	145.4	142.6	128.7	121.0	130.4	124.4	-9999.0	-9999.0	-9999.0
98	Bering Strait	160.8	137.8	135.9	136.3	128.4	136.0	153.0	172.6	177.1	165.8	165.0	165.9	169.7	164.9	163.7	164.9	170.3	175.4	179.1	176.1	181.1	180.2	185.1	188.6	193.2	188.0	174.6	169.6	-9999.0	-9999.0	-9999.0
128	Arctic subocean	114.8	114.1	119.4	155.8	186.2	147.5	127.5	134.4	136.5	126.9	113.0	92.2	87.9	94.8	97.3	98.9	107.8	100.9	100.4	101.6	102.6	104.8	107.5	107.5	107.6	111.7	104.9	102.3	-9999.0	-9999.0	-9999.0
130	Chukchi Sea	165.7	150.0	163.8	144.5	125.6	117.5	114.7	128.0	135.5	131.6	142.7	156.9	149.3	143.7	144.7	151.9	154.0	156.6	167.7	167.4	159.8	146.8	144.5	156.0	180.6	182.3	169.0	161.0	-9999.0	-9999.0	-9999.0
132	Beaufort Sea	107.4	107.9	122.4	134.7	150.5	170.1	197.8	200.8	210.6	204.3	184.5	169.5	161.0	162.6	165.7	150.6	139.8	148.3	143.6	146.8	162.2	174.0	183.5	182.5	180.2	184.6	179.3	183.1	-9999.0	-9999.0	-9999.0
134	Arctic Archipelago	100.6	106.4	120.6	136.0	124.2	127.9	145.9	164.8	174.5	178.2	164.6	127.5	118.7	111.8	111.2	110.7	110.1	114.2	119.8	124.9	125.5	125.3	126.3	133.0	130.9	128.1	126.1	119.7	-9999.0	-9999.0	-9999.0
136	Foxe Basin	118.3	129.9	186.3	195.8	189.6	178.2	167.9	168.7	156.4	163.1	163.4	157.7	135.6	117.7	113.3	124.8	123.6	124.3	145.4	168.0	152.2	130.5	146.1	131.5	121.2	125.7	119.1	114.6	-9999.0	-9999.0	-9999.0
138	Baffin Bay	122.2	122.3	129.6	172.0	181.4	156.5	149.3	136.1	129.2	127.4	130.9	117.9	112.2	110.7	110.1	112.3	125.5	128.6	131.1	126.1	117.4	105.4	97.5	108.6	101.0	92.7	86.8	89.4	-9999.0	-9999.0	-9999.0
139	South Greenland	155.9	161.1	153.0	155.5	149.2	149.9	137.3	135.9	141.6	133.1	134.0	136.9	129.7	125.2	126.7	153.7	158.1	150.8	159.4	152.6	128.2	129.8	135.3	140.3	121.7	110.3	109.4	129.2	-9999.0	-9999.0	-9999.0
140	Greenland Sea	134.6	116.8	111.5	135.5	164.9	163.9	143.3	135.4	119.8	111.7	106.8	97.0	94.6	92.5	87.3	100.5	108.8	115.1	107.2	109.6	89.4	73.1	78.0	96.2	106.8	88.7	84.2	90.3	-9999.0	-9999.0	-9999.0
142	Norwegian Sea	176.6	197.1	185.3	168.9	178.8	182.8	180.0	182.9	189.9	188.0	200.6	194.3	188.2	193.1	194.3	177.7	171.1	184.2	193.2	189.5	176.4	185.7	192.8	192.8	200.2	216.5	217.2	216.3	-9999.0	-9999.0	-9999.0
144	Barents Sea	166.0	166.4	172.3	178.0	188.6	189.4	183.2	179.6	162.7	143.0	156.2	164.8	158.2	156.1	158.3	161.7	150.2	155.5	155.4	156.0	151.5	150.5	142.8	143.3	142.0	147.4	163.3	176.6	-9999.0	-9999.0	-9999.0
146	Kara Sea	163.9	167.7	163.3	158.3	156.0	161.2	163.3	159.4	158.5	156.4	146.1	141.7	147.1	148.4	155.1	159.2	161.3	163.4	173.9	185.7	184.9	174.1	171.6	184.0	179.5	163.6	163.3	164.8	-9999.0	-9999.0	-9999.0
148	Laptev Sea	137.2	130.8	129.5	131.1	131.8	126.6	118.9	118.1	120.4	124.3	131.4	130.6	120.9	124.9	127.6	135.6	138.2	139.6	127.3	127.6	138.4	136.9	140.5	140.7	151.1	163.8	140.7	117.9	-9999.0	-9999.0	-9999.0
150	East Siberian Sea	160.3	161.4	154.9	149.1	136.1	122.7	111.7	108.6	111.8	120.6	131.7	145.2	149.9	146.3	139.8	137.3	138.7	138.8	135.7	132.9	135.1	139.3	141.4	141.0	126.3	117.3	123.2	126.8	-9999.0	-9999.0	-9999.0
152	Gulf of Alaska	187.3	153.3	140.5	146.4	148.8	170.9	199.5	224.3	212.3	198.7	190.6	194.1	211.6	218.1	219.5	213.4	212.0	214.9	201.8	199.1	216.5	221.0	227.9	227.6	223.9	215.8	208.9	200.9	-9999.0	-9999.0	-9999.0
154	Southeast Bering Sea	199.8	157.1	145.2	151.6	138.5	130.0	130.9	176.5	194.1	188.0	186.1	178.0	172.0	174.5	181.0	178.7	210.7	221.4	207.5	193.5	193.8	201.8	205.6	229.9	217.4	208.5	207.8	198.0	-9999.0	-9999.0	-9999.0