1987 01 - 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	139.2	137.6	137.6	138.8	139.6	143.8	146.3	145.9	147.1	149.0	152.9	153.4	148.5	145.3	143.8	147.6	147.4	147.2	142.8	143.9	145.6	148.1	149.4	149.2	154.1	155.6	154.5	151.3	149.6	152.3	154.1
34	Hudson Bay	166.2	173.4	178.8	182.8	186.7	184.3	181.3	184.3	182.0	192.0	209.5	204.7	194.5	169.1	144.7	149.8	151.8	155.5	148.6	154.8	154.9	138.1	136.8	140.4	151.1	164.4	166.8	160.1	170.1	172.8	175.6
36	Hudson Strait	164.1	124.4	152.3	159.1	136.5	143.4	151.4	140.4	138.3	149.1	169.6	168.2	163.8	158.0	161.4	145.8	134.1	141.7	137.5	117.7	122.9	127.6	149.6	166.3	149.0	132.5	134.5	147.0	127.8	132.1	133.2
98	Bering Strait	165.2	159.3	148.8	149.9	171.8	172.3	165.5	157.8	163.8	154.6	129.8	128.3	149.5	172.4	172.5	187.1	189.7	179.0	180.3	183.8	183.2	191.3	187.0	173.3	167.9	168.1	174.2	152.5	135.0	148.3	153.1
128	Arctic subocean	106.5	104.4	116.9	129.3	106.5	95.7	101.0	112.6	121.6	119.0	129.4	123.6	110.6	90.9	87.4	103.6	112.2	122.5	118.6	119.5	110.7	104.6	107.1	103.8	110.3	133.9	156.4	154.3	137.3	119.2	105.4
130	Chukchi Sea	140.9	134.6	117.4	112.1	123.1	125.9	123.1	113.3	116.8	121.5	119.9	131.9	165.1	190.7	182.1	190.7	197.5	175.6	172.1	163.4	164.7	175.8	166.4	149.4	145.5	148.5	156.4	141.3	126.8	128.4	128.1
132	Beaufort Sea	164.5	165.8	164.0	166.2	172.4	188.4	197.7	192.9	201.3	206.1	186.1	170.2	152.1	153.2	170.1	173.4	187.3	186.9	179.5	190.0	174.0	180.9	192.7	191.6	187.7	176.4	162.3	150.6	145.9	157.3	160.4
134	Arctic Archipelago	104.4	107.9	107.7	120.1	125.8	118.4	130.8	146.7	169.5	178.3	157.8	122.0	113.3	113.9	120.0	118.3	113.6	123.0	123.7	117.6	112.0	120.9	121.0	127.9	130.5	134.0	134.3	122.1	117.1	118.6	118.0
136	Foxe Basin	105.6	102.9	100.6	97.6	120.1	129.9	109.6	103.5	132.7	158.9	162.3	151.8	123.9	128.2	130.1	114.1	106.1	103.4	100.4	106.3	114.3	104.8	106.5	118.6	129.4	145.1	118.3	118.1	106.2	100.0	97.4
138	Baffin Bay	108.2	108.6	132.5	121.0	91.0	100.9	112.1	116.7	117.6	108.6	125.8	128.5	112.1	100.9	110.4	121.7	108.7	95.3	81.7	90.4	104.0	102.1	91.0	96.0	140.8	172.2	167.3	157.7	124.6	117.7	103.8
139	South Greenland	132.6	133.5	149.4	136.6	127.3	145.8	172.8	156.3	129.5	143.7	153.4	152.5	146.5	165.2	169.7	162.4	148.1	137.5	118.1	117.9	136.3	137.5	151.5	148.0	176.4	176.9	178.2	161.6	143.5	141.7	144.4
140	Greenland Sea	110.0	104.3	122.3	135.4	119.1	96.8	131.0	151.8	150.4	118.0	135.5	143.4	132.7	112.4	112.7	140.4	140.7	136.1	121.7	108.4	106.1	109.9	103.5	91.7	125.5	151.4	164.2	162.5	134.8	109.6	121.9
142	Norwegian Sea	187.6	189.4	180.9	176.9	166.5	169.6	177.2	172.9	140.4	140.4	157.8	176.6	192.8	194.1	206.3	208.6	200.0	208.6	200.3	220.5	209.5	202.5	206.0	221.3	194.6	181.1	176.7	161.5	172.1	207.0	203.5
144	Barents Sea	162.3	158.1	146.1	138.3	134.8	130.3	122.7	121.7	123.5	124.8	134.3	157.6	175.0	185.5	193.2	192.1	178.5	176.2	184.9	201.5	190.1	178.2	155.3	142.4	144.9	141.5	142.9	137.0	138.4	141.0	146.5
146	Kara Sea	137.3	136.9	133.4	131.9	129.4	140.1	139.4	135.6	136.2	139.1	152.7	158.9	148.8	141.9	139.6	145.9	150.8	151.4	137.1	133.2	147.6	159.2	159.6	160.2	162.7	157.5	154.0	167.4	171.5	170.0	169.4
148	Laptev Sea	104.3	98.7	97.4	100.6	105.5	107.1	107.3	111.8	114.2	113.9	113.0	120.8	118.7	114.6	112.8	111.0	106.6	109.3	122.3	122.6	113.4	119.5	131.1	133.1	134.0	137.1	135.1	122.7	126.5	133.4	140.5
150	East Siberian Sea	121.7	118.1	115.6	118.4	123.1	124.2	128.9	133.2	131.8	131.0	130.8	125.9	121.7	125.4	122.6	123.2	124.5	125.6	127.9	130.2	130.2	123.9	118.1	120.7	123.9	128.0	136.8	144.6	151.5	151.5	147.7
152	Gulf of Alaska	216.8	209.5	189.3	198.1	216.8	211.8	211.3	217.5	213.5	183.8	159.5	155.4	165.0	189.3	197.9	217.4	207.7	203.2	214.6	205.7	215.5	226.3	217.4	208.0	206.6	202.1	190.6	177.4	175.2	193.5	199.7
154	Southeast Bering Sea	199.0	176.0	171.9	214.0	215.6	204.9	184.7	171.4	170.4	143.9	130.8	152.9	202.5	210.2	212.2	223.7	208.6	206.7	209.9	206.5	218.5	219.3	222.3	214.4	204.4	202.9	204.9	185.5	142.8	185.4	191.1