1987 11 - 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	178.0	178.0	178.2	171.6	168.1	170.9	173.6	171.5	167.2	167.4	168.3	165.6	160.5	156.3	154.3	153.6	153.1	152.5	147.4	147.6	146.9	147.1	150.3	152.2	151.7	153.6	157.7	161.2	161.9	162.8	-9999.0
34	Hudson Bay	219.3	225.0	223.3	211.4	190.2	185.9	191.5	187.4	184.8	198.6	211.9	211.3	199.4	194.2	201.0	202.9	188.9	179.7	173.4	166.1	187.4	194.3	182.2	177.8	187.9	190.1	195.3	200.5	201.6	199.4	-9999.0
36	Hudson Strait	184.3	180.3	202.7	189.0	207.7	202.1	202.5	199.8	200.7	181.3	175.6	174.3	163.4	167.5	153.0	160.4	208.0	210.4	181.9	175.9	172.3	185.5	186.6	186.9	165.4	175.3	178.4	168.2	180.4	182.3	-9999.0
98	Bering Strait	170.7	185.1	174.3	173.2	170.2	174.0	172.8	174.0	177.8	172.8	173.1	173.8	169.4	160.6	160.8	174.2	178.2	179.1	183.7	183.5	170.0	163.9	163.7	156.8	155.4	171.3	169.1	166.1	159.1	161.6	-9999.0
128	Arctic subocean	114.1	116.2	108.9	111.5	120.4	129.9	131.6	130.1	126.5	127.5	132.5	132.0	130.1	121.0	122.0	120.7	119.1	118.7	114.9	109.7	113.4	119.7	120.5	118.6	120.3	116.5	105.7	94.8	95.3	100.3	-9999.0
130	Chukchi Sea	168.5	176.3	168.1	172.3	178.8	175.9	174.4	172.9	167.1	153.5	157.8	161.3	158.6	157.5	159.9	174.5	192.2	181.3	168.6	164.9	155.8	152.2	146.9	141.4	139.4	142.1	133.9	127.5	125.1	121.3	-9999.0
132	Beaufort Sea	199.6	192.7	195.3	176.7	173.4	181.7	185.1	187.0	203.7	208.0	200.4	188.8	181.9	178.7	169.3	159.7	156.7	164.5	168.2	196.7	185.9	164.9	163.7	173.1	175.6	180.1	195.7	195.0	205.4	198.6	-9999.0
134	Arctic Archipelago	157.9	166.7	159.9	155.4	156.2	160.0	156.4	146.2	135.6	140.9	135.6	132.3	128.7	134.2	139.8	136.9	136.9	138.4	130.1	129.6	132.7	129.9	132.2	142.6	138.8	126.1	137.7	145.7	156.6	175.3	-9999.0
136	Foxe Basin	160.4	155.7	160.5	184.4	198.7	190.2	185.6	190.9	178.1	154.2	138.9	140.7	143.2	136.5	136.5	139.9	163.7	161.6	152.8	151.7	151.6	146.4	162.5	155.9	146.8	147.1	126.0	129.3	141.9	150.0	-9999.0
138	Baffin Bay	109.3	106.0	103.1	118.1	132.9	140.4	152.3	157.0	156.7	147.4	140.7	142.5	128.5	117.9	116.2	109.7	104.1	104.6	109.7	114.2	119.5	126.7	132.3	153.8	132.3	113.8	101.5	103.5	104.0	99.8	-9999.0
139	South Greenland	149.7	136.9	147.9	134.9	146.1	176.7	185.7	184.3	159.9	149.9	160.1	145.5	135.0	131.6	129.4	126.8	131.1	139.3	153.2	160.9	140.8	161.1	200.1	194.5	149.9	126.2	125.7	123.0	116.6	120.4	-9999.0
140	Greenland Sea	116.0	96.9	108.8	98.6	104.4	123.5	135.6	138.3	143.7	134.1	133.8	136.2	129.7	119.5	103.3	105.5	106.0	108.3	101.7	107.7	108.3	113.8	117.4	151.3	135.3	111.2	89.2	91.1	87.3	82.0	-9999.0
142	Norwegian Sea	223.1	233.2	230.6	238.3	231.3	217.1	208.2	198.4	200.6	220.4	217.2	211.0	212.2	218.0	219.2	220.0	220.1	212.1	223.6	218.1	214.6	210.9	205.1	215.9	207.6	201.5	211.7	210.8	205.7	219.4	-9999.0
144	Barents Sea	218.2	217.3	212.6	213.7	208.2	195.7	187.8	184.7	184.0	176.8	167.3	160.7	163.4	168.8	174.8	179.4	181.4	180.1	162.2	157.0	160.0	158.8	158.5	170.7	184.2	190.3	202.1	207.0	201.3	202.4	-9999.0
146	Kara Sea	184.7	184.9	184.6	172.4	170.4	183.1	190.3	187.4	171.8	167.1	168.4	167.5	162.4	154.1	150.7	147.5	151.9	152.7	140.1	134.1	127.6	128.9	135.5	134.6	138.8	147.7	155.2	159.2	158.7	161.8	-9999.0
148	Laptev Sea	150.2	151.5	155.6	157.6	150.2	136.8	134.2	129.8	128.8	134.1	135.5	137.3	139.5	137.5	131.9	127.7	119.6	115.5	114.9	112.7	114.6	116.0	122.8	123.2	122.0	123.8	130.2	140.5	142.2	142.3	-9999.0
150	East Siberian Sea	147.5	140.7	138.0	136.8	136.6	134.5	132.7	137.0	146.6	148.3	146.8	140.0	136.7	137.5	129.3	125.7	127.5	128.5	132.0	143.9	148.1	141.3	141.8	144.5	143.7	139.0	132.6	134.8	138.0	136.0	-9999.0
152	Gulf of Alaska	208.6	213.5	207.0	210.6	209.9	208.1	199.2	206.3	210.1	228.6	221.0	217.3	200.5	189.8	185.3	208.8	208.1	211.0	207.2	207.6	204.5	205.0	199.9	196.5	204.7	222.8	209.0	217.7	199.0	203.9	-9999.0
154	Southeast Bering Sea	223.2	216.0	221.0	221.6	210.2	197.8	195.9	189.1	177.4	190.6	194.3	178.8	169.2	165.1	196.0	227.1	219.4	205.4	194.6	184.6	182.4	182.0	173.8	165.1	174.3	189.2	173.5	171.8	151.3	141.9	-9999.0