1981 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	153.2	154.7	155.9	156.7	157.5	158.6	156.9	154.0	150.6	147.9	145.7	140.9	142.9	146.7	149.7	148.8	146.4	146.2	147.0	148.6	149.9	151.1	153.2	155.1	155.4	153.6	152.3	152.7	-9999.0	-9999.0	-9999.0
34	Hudson Bay	150.3	144.6	144.9	156.9	164.7	160.5	146.1	137.5	124.1	114.3	125.0	124.2	137.5	166.0	203.2	214.6	209.1	206.6	210.6	209.2	209.8	207.7	206.6	199.6	187.9	185.2	189.1	187.1	-9999.0	-9999.0	-9999.0
36	Hudson Strait	140.9	148.8	163.4	141.9	138.8	134.8	131.8	132.7	139.5	134.2	142.6	167.8	110.8	112.9	128.5	183.3	198.0	170.2	181.4	210.8	192.6	198.3	201.9	229.0	221.5	203.9	168.7	165.3	-9999.0	-9999.0	-9999.0
98	Bering Strait	177.3	190.4	184.8	178.2	167.9	187.1	192.9	181.4	182.3	183.7	153.9	136.9	140.6	141.0	134.8	126.7	128.7	136.7	141.5	148.5	157.9	152.3	149.0	152.3	174.8	177.2	176.5	182.2	-9999.0	-9999.0	-9999.0
128	Arctic subocean	122.1	121.1	120.2	106.0	102.1	107.9	96.0	99.8	111.6	110.6	101.0	99.1	105.0	129.5	127.3	117.0	101.7	97.5	90.5	90.8	100.0	109.3	120.2	123.3	121.6	115.4	115.3	106.6	-9999.0	-9999.0	-9999.0
130	Chukchi Sea	161.4	167.2	159.2	141.5	144.1	175.1	173.9	191.9	206.1	177.7	146.0	137.1	151.1	141.3	128.9	116.9	132.5	131.1	124.4	133.6	146.0	141.0	136.0	136.0	160.3	179.4	180.9	179.4	-9999.0	-9999.0	-9999.0
132	Beaufort Sea	177.1	192.5	195.6	190.3	177.0	160.3	156.7	141.8	129.5	133.7	135.4	136.9	146.8	172.0	177.5	167.9	160.6	169.6	170.4	174.5	183.8	192.6	179.9	174.1	177.1	184.9	185.7	184.0	-9999.0	-9999.0	-9999.0
134	Arctic Archipelago	139.3	150.1	168.9	159.2	136.3	123.9	120.7	109.7	105.1	102.3	104.0	102.0	111.2	119.9	122.2	119.9	111.4	106.1	112.9	117.5	120.4	137.9	149.2	146.8	145.7	150.5	150.7	137.4	-9999.0	-9999.0	-9999.0
136	Foxe Basin	129.0	130.7	135.8	146.3	126.5	106.6	98.2	90.9	94.1	99.2	111.5	115.8	119.6	112.8	112.5	121.4	124.0	111.3	125.1	142.3	129.0	123.3	142.1	141.2	149.0	170.8	164.9	150.5	-9999.0	-9999.0	-9999.0
138	Baffin Bay	105.7	102.1	104.2	96.2	93.1	91.9	85.7	74.8	72.5	76.8	85.5	82.3	118.6	122.8	96.8	82.3	73.3	78.1	78.0	72.8	82.2	84.4	96.1	100.2	103.2	105.4	109.3	115.5	-9999.0	-9999.0	-9999.0
139	South Greenland	127.6	119.4	113.9	124.9	116.3	105.3	95.8	95.3	102.2	118.3	128.2	122.5	141.2	117.4	99.2	96.3	101.9	114.8	113.9	125.9	134.9	111.3	102.7	111.3	121.4	130.1	136.3	147.5	-9999.0	-9999.0	-9999.0
140	Greenland Sea	95.6	92.6	84.1	87.2	101.3	112.4	96.3	86.8	89.3	88.2	104.4	105.6	120.5	132.6	123.2	102.2	99.2	85.7	76.1	68.8	67.7	73.2	86.2	104.7	119.5	118.9	110.2	103.9	-9999.0	-9999.0	-9999.0
142	Norwegian Sea	216.9	215.6	203.7	196.8	194.1	204.9	201.6	210.9	204.3	190.3	183.9	179.5	206.1	218.6	219.4	213.5	199.6	192.9	201.9	193.4	186.9	195.6	189.7	192.8	190.5	192.1	191.8	194.5	-9999.0	-9999.0	-9999.0
144	Barents Sea	168.2	167.2	166.2	168.9	177.0	188.4	192.3	197.8	201.3	200.1	194.1	186.5	182.0	180.1	182.3	187.2	180.6	174.8	177.6	175.5	174.3	175.9	176.0	174.3	174.0	172.7	190.2	192.1	-9999.0	-9999.0	-9999.0
146	Kara Sea	168.8	168.2	169.0	178.2	182.5	184.6	183.7	183.9	181.5	173.4	163.8	156.0	149.5	147.6	147.8	144.2	143.9	144.2	143.7	144.8	145.1	150.3	154.3	156.8	153.2	143.9	137.0	141.2	-9999.0	-9999.0	-9999.0
148	Laptev Sea	132.6	135.6	140.1	124.6	132.1	141.3	146.0	143.7	145.5	144.2	144.2	139.5	135.0	129.7	128.4	129.3	125.9	121.6	119.1	117.7	113.6	113.5	123.2	128.1	126.5	124.8	122.5	118.4	-9999.0	-9999.0	-9999.0
150	East Siberian Sea	126.3	123.0	121.4	129.5	128.9	133.5	154.2	165.4	155.4	163.3	167.0	157.1	151.7	145.7	141.4	138.0	135.6	135.7	131.7	128.2	126.4	124.9	123.4	126.8	127.7	127.0	126.1	127.6	-9999.0	-9999.0	-9999.0
152	Gulf of Alaska	221.6	220.3	208.3	213.7	213.3	222.6	221.7	218.4	200.5	202.3	185.6	176.0	184.1	179.6	165.1	160.9	170.8	184.2	192.7	191.9	202.4	181.1	191.2	189.2	212.2	205.7	206.5	206.9	-9999.0	-9999.0	-9999.0
154	Southeast Bering Sea	209.9	220.0	210.5	205.8	228.0	228.8	222.6	244.9	230.0	213.8	181.4	164.7	163.2	151.8	143.5	136.9	132.2	144.0	155.4	163.9	162.4	158.6	160.9	192.7	223.2	216.9	208.8	221.2	-9999.0	-9999.0	-9999.0