1973 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	152.0	147.3	146.7	148.1	149.0	148.0	147.4	151.3	152.2	151.7	146.1	142.4	144.5	143.6	143.6	144.8	145.4	144.1	143.1	145.3	143.9	144.5	147.7	142.0	136.8	134.0	132.5	134.2	136.6	136.1	138.3
34	Hudson Bay	173.3	165.9	153.3	143.6	131.6	126.0	126.0	135.6	140.9	149.8	155.0	160.1	170.5	178.2	173.7	173.1	175.2	181.2	176.6	172.4	188.6	186.2	192.2	200.5	198.8	179.6	153.7	144.5	143.9	146.0	163.7
36	Hudson Strait	172.2	147.7	131.5	137.3	135.3	121.9	116.0	120.6	127.6	129.3	131.3	129.6	129.6	127.7	122.6	120.0	113.4	122.3	139.5	130.3	134.8	141.7	186.1	161.8	153.9	169.2	153.8	138.6	132.7	125.4	122.5
98	Bering Strait	152.7	158.0	171.6	176.6	180.1	177.4	170.6	189.6	179.4	164.5	147.4	129.7	128.5	126.6	128.5	124.0	127.5	131.0	131.0	135.1	123.4	128.7	131.0	118.0	115.8	119.7	139.0	161.6	171.2	147.4	137.1
128	Arctic subocean	110.5	111.7	114.8	119.1	121.9	130.5	133.6	122.6	117.2	123.9	118.4	109.9	116.1	124.3	125.1	131.8	138.0	134.7	134.3	135.8	131.8	118.7	130.2	125.2	130.4	127.4	111.1	104.3	112.9	112.3	111.3
130	Chukchi Sea	162.8	187.0	186.2	200.4	190.9	178.8	175.2	201.4	170.3	141.6	121.8	114.4	123.9	128.2	125.7	118.8	118.2	114.3	109.5	127.8	117.9	116.0	111.1	107.3	109.8	131.7	138.0	137.7	138.0	112.3	123.1
132	Beaufort Sea	166.8	148.5	142.6	158.3	158.8	162.1	165.7	174.5	187.1	186.6	170.8	162.8	157.1	148.3	140.2	140.5	148.9	152.2	160.9	160.5	157.4	165.8	191.8	175.2	145.3	139.5	140.5	157.3	179.7	184.3	173.9
134	Arctic Archipelago	132.7	120.2	118.1	129.3	132.3	153.1	166.7	151.8	146.8	143.1	132.0	116.3	108.0	107.8	106.6	110.7	115.9	119.8	123.2	129.7	130.7	128.5	134.8	139.2	124.8	119.0	108.3	109.1	124.9	147.1	146.4
136	Foxe Basin	118.3	121.4	119.9	94.6	91.5	104.6	123.2	137.9	138.9	129.6	125.8	126.8	118.5	112.2	112.3	123.2	123.1	119.7	119.3	114.5	125.9	130.4	147.0	152.8	143.7	139.0	132.0	122.7	112.9	109.2	110.9
138	Baffin Bay	86.9	90.6	82.7	76.7	93.3	99.9	106.9	125.6	126.5	139.8	120.9	114.8	130.0	127.6	138.7	141.5	132.3	121.4	130.2	122.5	124.2	131.6	133.3	129.0	134.3	134.7	116.8	102.0	100.9	98.6	95.9
139	South Greenland	103.7	101.2	116.2	111.5	114.1	133.7	146.9	166.1	180.2	170.5	138.6	145.7	148.3	147.9	150.4	139.5	127.0	138.8	135.3	130.5	150.3	152.0	152.0	136.0	130.1	133.6	128.9	125.8	121.2	117.9	131.2
140	Greenland Sea	79.5	82.5	81.6	85.9	81.3	96.7	107.5	126.1	128.7	160.9	135.2	114.3	134.8	127.3	127.7	139.0	146.4	144.4	143.0	123.8	135.6	127.4	126.8	124.5	125.1	120.8	121.2	103.8	93.8	93.5	95.4
142	Norwegian Sea	229.7	231.6	212.5	227.3	231.5	224.3	229.9	215.8	233.3	231.4	232.2	227.1	212.2	210.2	221.0	217.2	214.8	216.1	206.8	202.6	193.8	205.6	202.9	230.1	229.2	216.5	206.6	205.5	213.2	218.8	222.6
144	Barents Sea	212.6	193.6	198.2	181.7	193.5	181.2	167.7	169.1	157.8	164.0	157.9	172.4	192.5	184.0	194.2	197.4	180.6	151.1	150.5	178.0	184.3	177.2	173.2	158.5	165.9	149.9	132.5	128.2	133.4	145.2	158.3
146	Kara Sea	162.1	157.3	158.4	164.2	164.4	156.2	153.9	153.8	153.0	145.0	149.6	144.8	147.0	149.4	150.2	154.7	156.3	151.4	145.6	146.6	136.0	140.3	137.9	128.1	122.7	123.2	129.9	133.3	133.7	134.7	135.2
148	Laptev Sea	128.7	136.3	136.5	139.6	144.2	147.5	138.7	134.0	135.9	141.5	132.0	130.0	124.6	117.5	118.1	121.8	125.5	122.2	122.1	128.0	123.0	119.5	117.7	117.2	114.5	115.7	122.1	121.4	121.1	118.6	119.4
150	East Siberian Sea	139.6	123.9	123.5	119.8	121.0	119.6	119.1	119.1	116.5	120.3	122.4	118.6	121.3	126.3	123.9	118.2	114.3	118.3	119.0	128.4	120.4	106.8	107.8	104.7	104.3	104.8	105.9	113.2	112.3	111.8	104.7
152	Gulf of Alaska	174.7	166.9	188.8	183.7	195.5	199.3	200.3	206.2	202.5	193.9	186.4	172.1	154.7	138.5	142.6	139.8	149.4	162.5	157.9	159.4	148.1	168.3	152.9	142.0	139.8	149.5	178.0	204.8	207.9	189.4	178.0
154	Southeast Bering Sea	167.2	198.1	205.8	199.3	224.0	194.8	219.4	224.9	217.8	199.8	178.1	144.7	130.8	129.9	130.1	125.1	116.5	120.6	124.6	131.0	104.9	113.8	117.8	124.1	127.9	147.4	182.1	220.8	192.1	134.0	142.8