1971 12 - 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	161.3	159.7	155.9	153.8	153.6	153.1	155.1	153.9	151.5	150.3	147.4	143.8	145.3	146.4	143.1	136.5	137.1	141.4	141.7	142.1	140.4	139.1	138.9	140.7	141.2	142.2	145.0	143.0	141.6	143.5	145.5
34	Hudson Bay	174.5	180.7	184.1	185.6	184.6	173.7	159.7	158.2	168.3	172.7	169.4	158.8	153.5	158.6	160.5	154.1	154.1	156.8	152.4	154.2	145.2	139.5	146.3	143.2	138.5	131.7	135.6	145.2	145.7	150.7	165.8
36	Hudson Strait	164.9	166.3	160.3	153.6	170.2	181.3	179.6	150.9	156.8	157.8	166.3	175.2	169.9	158.8	139.3	130.6	125.2	130.1	130.5	142.6	146.1	144.7	129.7	120.6	115.9	111.4	116.1	123.2	119.5	114.6	114.9
98	Bering Strait	146.2	148.3	143.0	138.9	134.3	144.0	164.9	163.2	138.6	126.1	127.7	125.4	142.2	148.4	165.4	160.0	157.7	174.4	147.3	136.1	138.4	147.9	168.1	197.7	201.8	195.8	186.0	188.9	181.2	165.5	163.4
128	Arctic subocean	115.6	99.4	95.0	90.2	91.9	93.5	101.6	104.6	97.0	93.2	91.6	90.5	92.4	103.6	108.6	105.7	98.8	93.3	89.2	94.9	103.6	118.2	125.6	127.3	119.5	112.3	113.3	123.0	120.0	111.8	105.0
130	Chukchi Sea	136.9	128.9	122.9	122.2	121.1	128.3	146.2	129.2	127.2	127.5	137.5	141.3	150.1	144.1	154.9	140.4	142.0	161.6	124.3	133.0	163.6	193.9	197.9	207.8	213.9	191.1	176.0	186.9	179.8	161.0	144.3
132	Beaufort Sea	170.5	178.6	170.1	156.1	145.2	139.3	143.6	154.6	145.5	126.3	121.9	122.8	123.9	128.5	130.1	139.8	155.6	160.3	157.9	136.3	115.7	114.0	125.1	134.1	140.7	164.7	176.1	172.5	177.6	183.6	180.3
134	Arctic Archipelago	133.9	133.6	143.0	142.0	128.5	118.2	118.2	113.5	113.7	113.6	118.3	121.2	123.2	127.2	127.0	125.7	128.9	128.3	123.6	110.8	101.8	103.1	106.9	110.4	115.6	120.6	113.2	108.8	113.5	124.0	129.3
136	Foxe Basin	136.0	134.6	130.3	137.1	151.3	151.4	128.9	118.6	113.1	117.0	122.2	122.1	116.5	112.2	110.6	106.2	115.1	125.9	130.9	136.0	128.4	119.7	111.0	103.4	97.2	93.9	92.0	96.5	90.1	91.7	94.0
138	Baffin Bay	94.7	88.8	84.2	87.9	91.2	95.6	109.1	109.9	95.2	78.0	75.9	70.3	70.4	74.3	77.1	76.0	73.6	74.4	76.3	78.8	88.2	99.0	99.3	88.2	84.4	83.7	116.2	96.6	87.5	85.1	86.9
139	South Greenland	112.9	122.9	126.8	117.7	122.5	118.7	134.8	143.7	128.7	110.4	101.5	97.2	95.0	93.0	90.6	89.7	92.4	95.3	107.3	105.4	106.6	111.1	108.2	104.2	102.7	120.8	146.3	128.5	120.3	133.4	130.7
140	Greenland Sea	81.7	83.1	88.8	82.5	76.0	79.2	93.2	110.9	105.2	95.7	84.1	78.4	83.4	96.5	87.1	84.7	76.6	74.6	83.0	114.1	124.8	128.4	122.9	124.3	126.7	114.5	128.3	121.0	104.1	94.3	94.4
142	Norwegian Sea	221.3	216.7	212.5	225.4	235.0	236.1	210.5	190.1	216.5	215.7	205.1	201.4	214.6	219.5	229.8	235.9	221.7	212.4	202.1	213.9	222.9	212.2	211.1	211.9	232.4	231.5	213.9	209.1	213.3	225.9	227.9
144	Barents Sea	209.5	209.3	207.8	198.9	198.2	198.6	207.9	198.6	194.8	191.9	186.0	177.0	169.6	164.7	168.8	173.7	173.4	179.7	189.0	182.9	176.6	169.1	161.6	157.4	159.3	164.6	168.9	154.6	154.9	170.3	186.8
146	Kara Sea	181.9	172.1	163.3	167.3	171.2	171.8	173.3	171.6	171.5	173.9	168.4	167.4	173.4	172.8	161.7	146.9	146.1	148.2	153.9	157.7	159.3	157.1	151.8	154.5	156.9	157.3	154.1	147.6	146.1	147.1	147.3
148	Laptev Sea	147.6	143.7	138.6	134.6	136.9	140.8	139.9	136.5	137.3	146.3	145.0	138.9	136.2	137.5	127.0	116.7	115.1	121.2	126.3	132.0	133.9	130.2	122.8	115.0	110.5	111.2	116.7	120.7	117.9	117.5	117.3
150	East Siberian Sea	159.3	155.7	148.7	142.6	133.3	127.5	125.6	127.3	132.3	137.4	139.5	136.1	130.1	124.7	118.9	116.3	112.5	112.8	119.9	144.0	142.8	134.6	122.0	127.3	132.2	122.1	120.8	122.8	136.5	131.5	127.1
152	Gulf of Alaska	176.1	178.3	175.8	172.0	166.1	192.5	216.5	208.6	179.9	156.2	159.8	144.3	175.0	175.1	200.5	195.7	185.3	211.6	177.1	143.4	139.4	139.1	165.2	207.6	208.1	213.4	205.8	208.3	193.2	198.6	197.6
154	Southeast Bering Sea	144.0	145.9	148.6	150.2	175.3	207.7	223.1	203.2	171.4	187.1	187.8	189.9	213.0	206.5	216.7	173.4	201.9	216.1	174.1	141.4	168.8	187.2	234.1	252.1	247.7	222.9	214.8	213.7	196.1	204.7	185.8