1975 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	132.9	133.8	138.5	142.7	143.3	143.9	141.7	142.1	143.1	140.1	138.8	138.6	141.1	143.3	145.7	147.8	148.4	151.0	152.0	150.8	152.1	156.2	158.1	159.3	161.5	161.7	161.9	162.2	-9999.0	-9999.0	-9999.0
34	Hudson Bay	130.6	135.4	141.5	148.7	149.8	144.7	132.9	117.1	119.6	124.1	129.9	136.2	153.4	159.1	155.7	162.9	167.5	174.5	180.0	185.9	184.7	181.7	189.3	199.1	192.1	174.8	167.0	168.9	-9999.0	-9999.0	-9999.0
36	Hudson Strait	104.8	100.8	111.2	124.5	135.5	144.8	148.6	138.8	140.1	137.1	144.5	166.1	177.1	166.7	151.6	136.2	129.7	151.9	143.7	141.8	144.9	121.1	126.0	148.7	181.9	194.3	191.7	175.8	-9999.0	-9999.0	-9999.0
98	Bering Strait	149.3	143.0	151.5	168.9	180.9	184.7	173.4	168.7	151.3	140.9	129.0	121.6	124.1	132.0	140.9	139.1	151.3	159.6	156.5	139.6	144.4	170.7	157.9	150.7	164.4	183.9	178.6	170.6	-9999.0	-9999.0	-9999.0
128	Arctic subocean	127.7	119.6	122.4	123.1	119.5	116.3	104.8	111.1	117.4	107.2	109.7	114.9	115.4	109.9	104.0	90.5	94.3	99.1	104.9	113.5	121.4	122.1	109.8	112.2	109.7	116.1	133.7	130.8	-9999.0	-9999.0	-9999.0
130	Chukchi Sea	176.2	177.9	172.9	180.2	196.1	197.8	173.6	162.6	148.1	152.3	149.5	129.7	118.4	117.4	118.4	121.2	125.7	137.8	138.0	128.5	117.4	141.3	142.7	134.6	136.3	148.4	142.7	147.8	-9999.0	-9999.0	-9999.0
132	Beaufort Sea	123.6	126.6	135.9	151.2	162.5	160.7	137.6	137.5	132.4	114.7	104.1	105.9	119.7	128.4	148.9	154.3	157.7	181.2	187.7	179.4	164.4	188.9	196.6	177.3	166.2	174.9	182.0	176.7	-9999.0	-9999.0	-9999.0
134	Arctic Archipelago	127.3	128.7	141.2	149.9	135.8	117.2	115.6	114.1	109.0	112.5	121.4	125.1	129.7	127.3	123.5	119.4	117.7	118.1	118.0	119.6	128.4	141.6	165.9	155.2	145.9	142.6	154.4	161.8	-9999.0	-9999.0	-9999.0
136	Foxe Basin	125.3	123.8	121.6	128.1	126.8	119.2	122.4	127.0	132.3	143.3	151.8	151.5	138.5	125.2	119.1	118.9	118.4	120.3	118.1	110.3	106.6	110.8	125.6	145.7	149.6	156.0	161.7	154.4	-9999.0	-9999.0	-9999.0
138	Baffin Bay	109.9	109.9	113.9	116.8	108.6	113.1	126.4	136.9	139.7	129.4	111.2	99.3	99.5	86.4	86.5	94.9	93.1	83.5	81.9	89.3	90.3	92.0	86.2	100.2	123.3	121.6	121.0	126.0	-9999.0	-9999.0	-9999.0
139	South Greenland	125.0	144.5	139.6	132.0	123.1	155.7	172.1	168.8	160.5	144.8	159.5	151.4	142.6	139.4	138.9	133.3	122.0	118.8	116.4	105.1	98.9	101.9	107.6	152.3	158.8	147.2	136.4	133.9	-9999.0	-9999.0	-9999.0
140	Greenland Sea	103.7	112.3	115.8	111.8	108.7	114.7	138.5	133.0	130.9	113.8	95.0	96.1	103.7	100.9	100.5	112.1	114.4	116.2	111.4	113.3	97.8	96.9	89.7	92.6	123.9	109.8	111.8	119.2	-9999.0	-9999.0	-9999.0
142	Norwegian Sea	227.8	243.1	241.9	229.9	227.3	215.0	209.9	221.5	211.5	213.0	202.1	196.8	172.0	168.7	184.2	206.3	210.3	211.6	216.4	221.6	225.8	235.7	234.4	208.7	211.0	227.0	217.9	215.5	-9999.0	-9999.0	-9999.0
144	Barents Sea	188.4	190.8	202.9	201.8	185.0	171.0	162.3	160.4	159.8	159.4	157.0	152.7	154.6	153.3	150.1	155.6	154.0	151.0	150.4	153.5	166.7	184.0	214.8	215.0	194.7	192.8	202.7	186.6	-9999.0	-9999.0	-9999.0
146	Kara Sea	142.9	141.0	140.0	138.0	139.0	141.4	145.1	153.6	162.0	162.3	160.2	160.7	156.0	156.7	160.5	163.7	162.3	163.9	167.9	168.5	170.2	164.4	158.6	158.1	164.5	169.5	171.0	176.1	-9999.0	-9999.0	-9999.0
148	Laptev Sea	109.9	110.4	116.5	119.2	120.1	123.4	124.5	124.8	125.6	126.0	131.2	129.2	126.6	133.8	135.8	137.6	138.6	132.0	131.6	132.7	132.5	133.9	136.4	134.7	134.1	134.3	135.5	138.5	-9999.0	-9999.0	-9999.0
150	East Siberian Sea	112.3	104.3	113.6	128.8	134.5	132.8	129.6	144.4	157.7	158.3	146.4	145.5	156.4	155.2	151.3	142.4	129.6	127.5	123.0	116.5	125.5	140.5	140.5	137.5	136.7	133.7	134.1	134.7	-9999.0	-9999.0	-9999.0
152	Gulf of Alaska	149.6	145.7	151.8	161.0	172.6	186.9	187.3	183.2	163.0	139.6	128.7	130.1	143.8	164.1	178.4	173.0	202.2	205.0	188.9	163.6	198.2	204.3	180.7	176.3	208.5	216.4	201.9	188.0	-9999.0	-9999.0	-9999.0
154	Southeast Bering Sea	179.8	180.8	198.0	198.2	205.4	185.6	188.4	185.2	176.7	156.8	142.3	129.2	125.9	130.1	131.0	141.0	170.1	153.4	127.7	135.1	199.3	193.7	156.7	156.1	211.2	219.6	203.9	196.5	-9999.0	-9999.0	-9999.0