1964 02 - 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	146.0	148.1	150.2	150.3	151.2	153.8	152.6	148.5	145.9	148.0	148.7	148.1	145.3	143.3	140.9	141.4	144.5	147.4	147.9	151.5	153.9	155.4	154.1	152.1	150.6	150.3	151.1	149.9	145.0	-9999.0	-9999.0
34	Hudson Bay	168.2	162.6	187.7	202.7	193.1	170.8	162.3	157.7	155.9	165.2	184.4	180.7	166.0	159.3	155.7	160.7	165.6	164.4	160.5	158.2	162.9	156.8	144.3	141.5	133.4	132.9	143.7	152.2	158.2	-9999.0	-9999.0
36	Hudson Strait	126.5	126.6	127.3	149.9	173.4	174.2	162.6	165.1	161.0	152.6	143.0	158.7	151.7	137.1	128.3	131.8	132.1	127.8	143.2	161.2	173.6	157.2	122.3	112.8	109.5	116.7	110.5	118.2	108.2	-9999.0	-9999.0
98	Bering Strait	160.7	173.1	159.5	133.9	149.4	179.4	171.7	152.2	134.5	128.1	125.8	140.7	134.7	140.4	134.0	128.3	123.3	132.1	139.4	163.7	161.3	177.3	169.8	173.9	177.8	173.5	170.7	159.6	149.3	-9999.0	-9999.0
128	Arctic subocean	82.0	77.5	69.5	71.6	78.8	95.8	111.5	120.0	124.0	128.8	126.9	140.9	141.1	132.9	125.3	122.1	112.1	113.5	103.4	100.3	93.8	89.6	90.0	96.1	113.2	127.9	133.0	145.1	118.7	-9999.0	-9999.0
130	Chukchi Sea	126.4	136.2	128.7	110.7	117.5	140.9	147.0	143.6	124.9	121.2	117.5	114.0	110.3	115.6	115.6	117.1	111.5	110.4	110.6	118.5	124.2	135.2	149.3	159.8	171.6	152.8	143.9	147.3	148.3	-9999.0	-9999.0
132	Beaufort Sea	167.1	190.7	199.7	180.3	164.2	184.4	194.3	183.0	175.3	179.9	162.1	159.7	156.8	154.0	155.9	152.1	140.4	145.9	152.8	176.8	182.0	176.9	185.2	169.2	166.7	173.3	170.4	162.9	141.3	-9999.0	-9999.0
134	Arctic Archipelago	107.9	124.2	143.2	139.8	117.5	115.4	126.1	140.6	145.4	141.4	138.7	135.8	124.2	117.9	117.9	117.2	112.5	111.2	111.1	110.8	106.5	106.2	112.3	106.0	114.2	113.1	105.7	105.9	104.2	-9999.0	-9999.0
136	Foxe Basin	119.2	104.7	134.6	151.3	169.6	168.8	150.2	138.5	138.4	150.2	162.9	152.7	148.6	137.9	125.7	120.9	121.3	117.9	122.8	119.9	121.7	118.8	124.5	119.6	97.6	91.9	96.8	99.8	114.3	-9999.0	-9999.0
138	Baffin Bay	79.9	71.9	68.8	92.2	104.1	119.5	132.2	132.9	125.8	147.0	157.6	150.4	141.0	131.0	122.9	106.1	112.1	131.1	101.7	86.8	94.2	107.2	118.8	132.3	137.7	128.0	135.6	138.8	119.9	-9999.0	-9999.0
139	South Greenland	96.8	95.5	96.0	116.1	147.3	178.5	160.6	152.8	156.5	172.8	169.1	155.3	148.0	138.9	138.8	138.6	163.7	156.9	152.6	145.1	152.4	159.7	169.2	156.0	152.5	147.9	155.3	149.9	147.3	-9999.0	-9999.0
140	Greenland Sea	82.7	76.9	79.9	75.2	103.0	117.5	133.5	123.2	116.6	132.9	149.6	146.3	133.0	130.5	134.7	110.0	113.7	133.9	114.8	93.6	83.0	94.7	115.7	123.4	126.2	129.4	137.8	151.1	127.0	-9999.0	-9999.0
142	Norwegian Sea	201.6	201.1	219.7	203.2	185.8	186.9	220.1	223.7	221.0	213.2	190.5	189.3	211.9	202.4	188.0	175.4	175.6	190.4	198.7	212.8	200.4	199.8	199.1	198.5	205.4	220.3	222.1	216.0	213.7	-9999.0	-9999.0
144	Barents Sea	194.5	192.4	184.3	188.0	186.7	187.6	180.1	172.8	166.0	162.7	163.3	164.6	168.8	175.9	180.3	183.0	175.6	163.6	169.5	173.9	172.6	167.9	164.2	171.2	176.9	175.5	175.1	170.0	159.1	-9999.0	-9999.0
146	Kara Sea	149.9	148.6	144.9	143.3	143.3	144.6	148.6	143.7	139.3	138.6	139.9	141.4	142.2	143.6	144.4	147.7	153.1	155.5	154.7	156.1	158.7	160.7	158.9	157.9	156.0	155.2	153.7	149.4	147.7	-9999.0	-9999.0
148	Laptev Sea	136.4	135.0	137.4	138.1	136.2	132.0	128.1	131.6	134.5	135.1	130.1	132.1	136.4	130.0	123.9	129.5	136.0	141.3	145.3	146.1	150.1	154.3	152.9	151.0	147.0	147.4	147.5	148.2	143.4	-9999.0	-9999.0
150	East Siberian Sea	133.0	143.2	134.7	134.8	132.4	123.2	113.0	123.4	135.9	135.2	121.7	111.3	119.8	127.5	115.6	113.8	124.4	132.2	132.7	139.6	142.5	139.4	142.4	140.9	140.8	141.2	140.3	140.8	138.3	-9999.0	-9999.0
152	Gulf of Alaska	210.9	214.3	192.8	165.7	198.6	221.4	209.9	175.2	167.1	150.2	177.1	189.8	171.3	181.6	162.4	154.3	160.3	182.1	202.0	221.8	202.4	219.9	200.5	204.9	209.7	205.9	207.9	192.4	188.4	-9999.0	-9999.0
154	Southeast Bering Sea	208.4	207.4	146.5	133.2	210.8	224.2	195.4	147.0	134.3	123.4	151.4	136.4	127.9	128.3	144.1	134.2	131.1	141.8	165.8	189.3	190.4	215.5	208.1	213.6	205.6	209.5	204.1	188.1	196.2	-9999.0	-9999.0