1957 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	145.3	147.7	147.0	145.4	143.8	138.2	132.0	131.5	131.6	133.3	138.5	144.9	147.1	144.5	150.8	155.5	153.8	148.4	144.4	142.6	140.4	139.3	138.0	137.3	140.9	144.0	142.4	139.9	137.8	137.4	135.4
34	Hudson Bay	152.3	168.9	163.6	156.7	154.4	166.6	150.9	128.7	122.8	118.4	116.2	112.7	111.7	120.8	119.0	136.3	143.9	150.3	152.2	145.2	131.1	123.0	109.3	106.5	113.8	121.1	124.5	120.9	124.2	132.7	131.0
36	Hudson Strait	176.6	170.0	151.7	129.5	110.5	134.0	153.7	120.7	124.9	103.5	94.4	93.3	87.7	82.1	91.0	106.9	110.3	104.6	102.8	119.6	123.4	103.2	104.0	94.6	88.4	102.8	98.8	91.5	104.0	117.5	118.8
98	Bering Strait	153.4	173.5	174.8	164.1	154.9	131.1	132.1	148.6	154.5	158.5	164.8	186.6	170.0	175.2	203.1	194.9	178.1	166.7	166.4	165.8	158.1	156.4	161.6	165.2	180.9	200.0	203.5	213.6	209.9	202.0	183.4
128	Arctic subocean	100.6	86.4	82.2	97.2	110.0	108.3	104.9	114.0	122.3	121.6	124.5	125.8	125.5	118.9	115.3	115.0	97.6	94.1	85.2	78.9	81.7	80.7	74.6	78.5	103.4	118.0	117.9	116.6	122.2	128.0	138.5
130	Chukchi Sea	116.9	131.8	133.3	108.7	112.0	117.7	136.4	161.1	171.3	187.1	187.8	163.4	158.7	199.3	205.2	202.3	172.6	166.6	177.3	165.3	172.0	179.7	181.1	191.9	198.7	214.6	197.9	219.9	218.4	207.7	200.6
132	Beaufort Sea	168.7	169.5	175.7	173.7	169.6	149.1	122.9	125.3	131.8	125.2	127.0	140.8	157.7	146.3	170.5	192.6	192.9	174.9	147.7	133.7	123.2	116.0	118.8	129.0	156.9	171.5	178.1	164.3	168.3	155.5	144.9
134	Arctic Archipelago	131.2	115.3	108.5	113.0	130.3	104.4	91.3	103.7	107.5	107.5	110.7	123.5	130.1	120.7	131.8	135.5	129.7	122.3	104.0	99.8	101.9	98.6	100.3	99.2	92.5	101.9	113.2	127.2	119.9	118.3	125.2
136	Foxe Basin	142.6	135.5	120.0	98.0	95.5	114.8	112.5	92.3	87.0	97.2	98.9	97.9	114.2	105.1	102.5	100.7	99.8	97.8	99.0	97.6	98.2	97.2	97.6	90.9	84.6	91.2	112.7	131.7	131.0	129.9	119.6
138	Baffin Bay	107.4	103.0	93.3	97.8	104.0	95.5	92.1	107.5	109.7	104.0	125.5	121.6	125.6	87.3	95.2	89.4	75.6	68.8	76.0	68.4	64.6	67.4	72.2	78.5	106.3	120.0	127.5	122.1	112.2	113.2	125.7
139	South Greenland	150.5	146.1	142.5	138.7	128.6	115.7	121.5	122.5	111.2	137.1	135.3	145.4	136.6	125.0	153.5	150.2	120.4	109.4	119.6	95.8	87.0	91.5	103.0	122.8	138.3	144.3	139.9	132.9	123.1	127.5	128.9
140	Greenland Sea	105.4	107.7	112.5	123.1	127.5	108.0	105.0	122.0	126.0	117.9	120.7	114.8	132.3	107.3	99.1	108.7	103.5	83.5	77.5	86.4	78.2	69.2	72.0	105.9	133.9	139.8	134.4	129.1	133.0	137.4	141.1
142	Norwegian Sea	204.3	203.3	205.2	208.9	220.4	213.6	220.5	238.2	222.8	209.2	205.2	199.0	187.2	207.5	207.1	222.2	233.2	223.2	214.6	233.6	210.6	209.7	206.6	208.6	205.9	208.4	208.7	212.0	222.7	213.4	205.7
144	Barents Sea	183.4	183.9	179.1	179.5	181.5	177.6	175.3	180.8	197.1	200.0	190.2	169.4	162.6	168.5	188.6	182.0	176.4	170.9	171.5	175.6	191.8	191.9	180.2	160.6	161.4	160.5	161.2	164.6	165.0	171.9	183.1
146	Kara Sea	147.1	148.7	150.3	150.3	145.5	144.5	140.7	137.7	137.2	145.1	160.5	170.2	170.3	165.9	166.3	166.2	164.6	160.3	156.6	162.3	165.5	163.3	168.2	163.3	152.2	142.3	129.6	126.9	126.8	126.4	126.3
148	Laptev Sea	121.4	117.4	120.5	123.3	126.1	118.7	109.7	110.3	109.8	105.2	113.9	131.6	141.3	140.6	138.5	148.2	154.0	146.8	143.1	139.4	137.5	144.2	136.7	136.2	138.6	138.3	135.4	123.1	114.4	113.0	113.1
150	East Siberian Sea	119.1	119.3	120.1	120.3	120.4	121.9	129.0	134.2	126.9	133.4	115.2	112.1	124.6	125.7	124.6	119.4	132.8	142.7	140.0	146.3	149.0	161.7	154.3	135.0	127.4	135.5	142.4	152.0	140.9	138.6	122.5
152	Gulf of Alaska	205.8	215.0	209.5	209.2	209.9	170.4	145.7	158.4	162.5	161.1	179.2	207.1	196.9	181.9	201.5	203.7	196.0	179.6	173.8	175.2	167.7	162.5	158.9	170.0	189.5	207.6	220.3	233.8	226.6	217.2	190.5
154	Southeast Bering Sea	192.3	223.3	213.3	213.5	190.9	146.8	181.8	211.1	186.3	195.6	232.5	217.1	194.7	223.3	225.5	211.2	196.4	176.5	182.7	180.0	178.4	178.2	188.5	201.6	228.5	235.7	244.4	245.0	240.0	216.1	207.3