1977 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	158.5	155.5	150.4	147.5	146.0	145.4	146.4	143.4	141.2	138.7	139.6	143.5	143.7	145.7	145.4	146.0	147.3	148.9	151.0	153.5	152.2	150.3	149.2	148.0	145.8	144.4	145.9	145.2	138.7	137.4	142.9
34	Hudson Bay	179.4	170.3	158.1	148.4	137.8	133.0	131.9	124.5	122.5	124.2	145.1	162.2	168.5	178.0	182.3	184.6	191.5	194.7	191.7	184.7	177.2	167.4	154.6	147.6	147.1	140.1	139.2	146.6	142.0	130.8	130.3
36	Hudson Strait	142.8	159.8	178.9	170.2	149.2	135.6	131.8	129.7	127.6	132.2	134.3	126.7	130.2	144.9	158.1	154.2	156.7	166.3	168.6	175.5	177.6	180.1	180.8	157.4	153.0	181.7	144.5	135.0	137.6	131.3	116.6
98	Bering Strait	156.4	146.8	137.8	136.1	147.1	146.8	137.7	136.3	141.8	145.9	127.5	129.4	133.2	135.2	139.1	134.8	138.0	147.3	151.7	159.8	173.2	185.1	187.6	187.6	177.8	173.8	179.9	177.7	183.9	184.3	184.3
128	Arctic subocean	123.2	120.3	114.7	115.3	115.9	103.9	113.7	127.4	130.6	128.9	114.8	101.1	100.1	89.2	85.3	81.6	87.6	102.0	103.3	100.2	104.1	103.0	105.4	107.4	120.4	124.8	116.9	111.5	114.9	112.4	106.3
130	Chukchi Sea	151.1	149.2	166.8	174.0	168.6	164.5	154.5	154.9	157.9	154.6	129.7	139.8	138.0	130.2	127.9	123.6	118.8	121.8	135.5	158.1	153.2	186.7	191.1	190.7	185.6	178.6	163.8	186.3	195.0	190.7	180.8
132	Beaufort Sea	148.8	136.6	126.9	118.7	114.8	116.3	114.9	115.0	122.6	127.3	136.0	147.7	146.6	160.0	163.3	163.3	158.8	154.5	155.3	153.9	161.2	157.3	150.0	156.8	167.2	169.5	174.2	171.7	159.9	163.1	177.4
134	Arctic Archipelago	120.6	119.1	120.0	118.9	118.2	118.3	115.2	116.9	119.6	122.9	115.1	108.1	104.1	104.4	104.6	127.0	135.5	134.2	139.0	146.6	145.1	143.0	139.5	130.1	117.9	122.5	126.6	131.4	131.3	130.8	143.1
136	Foxe Basin	120.0	115.4	117.7	119.7	117.2	113.4	111.6	109.8	111.0	111.8	112.9	117.4	129.4	122.8	122.4	109.1	146.0	153.3	145.2	152.1	162.0	171.4	168.7	151.5	145.9	134.6	154.6	141.9	126.7	123.1	120.9
138	Baffin Bay	110.1	106.8	110.9	108.4	107.6	101.7	126.9	137.5	132.6	117.8	96.8	111.5	111.5	98.7	80.0	71.3	70.1	71.5	84.3	82.9	84.3	86.5	96.2	103.4	121.4	117.9	113.8	126.8	101.1	90.1	83.3
139	South Greenland	120.0	159.5	163.8	163.5	155.0	161.6	168.6	155.8	142.5	124.5	132.4	149.6	140.7	124.6	108.0	116.9	109.7	106.7	99.4	100.5	110.7	117.1	127.4	137.2	123.7	125.1	163.6	147.6	119.2	129.9	126.8
140	Greenland Sea	103.2	116.6	132.6	138.4	145.1	134.6	152.1	144.6	137.9	128.9	117.4	120.1	124.6	106.1	90.7	72.7	71.0	94.8	104.0	91.5	73.4	87.2	93.2	113.5	135.4	130.8	110.1	121.3	91.9	84.3	89.5
142	Norwegian Sea	234.8	217.2	220.8	223.6	216.2	206.9	192.9	206.8	218.0	215.8	208.7	221.3	232.6	231.4	225.3	227.9	212.7	209.0	204.9	196.3	202.5	209.4	214.6	215.7	214.2	208.3	197.9	193.0	203.8	188.1	186.3
144	Barents Sea	179.3	186.3	186.0	189.7	195.9	198.9	210.8	196.2	180.8	183.0	191.3	199.1	200.3	208.0	211.6	210.7	200.7	188.4	189.2	190.4	174.5	164.5	164.2	158.7	148.9	144.1	144.8	154.9	150.0	151.0	155.5
146	Kara Sea	184.3	174.3	167.7	163.8	159.8	157.6	156.5	153.1	147.1	142.2	143.5	146.3	147.5	152.1	155.8	158.6	162.9	167.6	170.9	170.6	163.5	159.6	160.5	158.8	151.7	145.2	145.5	137.8	136.6	143.5	154.6
148	Laptev Sea	143.0	138.4	129.9	129.6	132.9	135.8	137.7	139.5	140.7	137.4	130.2	121.8	117.3	115.2	114.6	114.3	113.7	112.0	115.7	127.9	132.6	129.1	130.9	128.6	129.2	134.2	135.3	133.8	119.0	108.5	116.7
150	East Siberian Sea	138.0	154.9	149.3	145.9	161.5	172.1	176.4	169.6	168.4	161.3	157.9	155.4	148.2	137.6	120.2	110.2	107.4	106.2	101.1	106.1	104.1	106.0	104.9	109.3	111.8	115.4	123.5	127.3	128.6	128.4	129.7
152	Gulf of Alaska	173.4	152.7	138.4	142.0	147.3	144.7	134.6	134.1	141.3	146.0	156.9	158.8	167.9	182.8	180.1	174.1	173.3	175.4	173.1	193.3	209.3	213.7	212.0	207.2	204.8	214.6	208.7	195.0	198.2	190.0	192.9
154	Southeast Bering Sea	178.1	170.2	163.7	185.0	171.9	166.8	163.1	161.0	167.0	164.0	147.2	127.5	138.9	136.0	146.4	139.4	137.2	139.0	186.0	224.2	238.8	230.8	221.5	216.6	211.3	210.2	181.2	211.9	219.4	220.8	216.8