1970 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	136.9	136.6	139.3	142.1	146.8	148.1	151.0	153.9	155.6	151.2	148.3	146.4	147.3	149.7	147.3	141.8	140.9	141.7	144.6	147.7	149.9	150.2	150.0	149.5	151.7	152.5	151.1	146.9	-9999.0	-9999.0	-9999.0
34	Hudson Bay	144.2	126.1	128.3	138.1	152.3	168.6	172.0	172.3	183.6	174.3	156.6	143.5	129.7	130.4	135.2	148.0	152.9	147.4	141.0	151.0	171.2	170.3	164.5	151.7	146.0	158.3	156.4	152.1	-9999.0	-9999.0	-9999.0
36	Hudson Strait	121.3	131.0	147.7	145.8	123.2	143.5	153.1	141.5	138.7	145.8	138.4	157.3	170.5	149.4	128.0	125.1	121.4	130.7	128.9	117.3	107.2	119.8	127.0	133.6	134.5	126.9	132.5	141.7	-9999.0	-9999.0	-9999.0
98	Bering Strait	141.6	142.2	145.9	144.5	147.7	161.4	165.5	163.9	165.0	171.3	197.3	205.5	205.8	199.8	178.9	162.9	158.7	162.2	178.5	182.4	169.9	170.8	187.0	191.6	190.5	179.6	194.2	183.5	-9999.0	-9999.0	-9999.0
128	Arctic subocean	108.0	97.9	100.0	113.1	122.9	120.6	113.6	104.8	101.1	103.0	102.7	100.8	96.9	103.3	109.8	112.1	122.6	118.2	114.1	103.3	110.5	125.8	124.9	118.5	118.3	122.9	123.1	115.6	-9999.0	-9999.0	-9999.0
130	Chukchi Sea	136.0	128.0	116.3	116.0	117.4	124.9	135.8	123.8	135.4	153.2	177.6	192.5	206.4	200.0	156.5	132.8	160.4	169.5	171.9	159.9	149.2	143.5	160.7	185.2	181.3	172.1	204.2	183.1	-9999.0	-9999.0	-9999.0
132	Beaufort Sea	124.2	132.6	149.1	157.0	164.3	174.7	184.9	193.7	190.7	175.2	169.0	166.6	159.9	145.6	142.0	136.7	138.0	144.7	161.6	182.2	186.9	185.9	184.1	187.9	201.5	194.4	176.5	166.2	-9999.0	-9999.0	-9999.0
134	Arctic Archipelago	108.7	122.7	121.7	119.1	128.7	132.1	125.3	127.1	117.0	114.6	115.7	110.3	105.3	107.6	119.9	126.6	130.3	126.3	124.3	119.2	118.5	118.2	120.5	127.2	138.6	143.9	139.0	130.8	-9999.0	-9999.0	-9999.0
136	Foxe Basin	136.7	136.2	122.1	128.9	107.7	111.5	104.9	102.6	107.6	108.3	108.4	111.8	130.0	162.7	158.3	141.0	118.6	113.3	113.4	118.4	124.5	149.0	154.2	151.9	157.2	168.8	144.3	138.4	-9999.0	-9999.0	-9999.0
138	Baffin Bay	107.1	105.8	107.5	123.4	133.9	95.1	91.8	90.3	85.8	77.9	76.2	76.5	84.9	116.6	136.1	131.5	124.0	111.0	100.4	110.3	123.1	129.9	129.6	127.3	128.5	143.4	128.7	118.2	-9999.0	-9999.0	-9999.0
139	South Greenland	131.4	121.0	120.4	134.0	154.9	115.0	110.5	113.4	111.3	108.4	114.5	107.8	131.1	149.2	142.3	129.7	119.5	115.6	127.7	137.3	138.3	142.6	134.2	128.1	157.9	151.0	141.6	124.1	-9999.0	-9999.0	-9999.0
140	Greenland Sea	107.6	101.2	87.8	92.2	111.2	109.7	107.7	100.6	84.3	78.7	86.1	91.6	89.3	105.3	114.1	116.6	110.1	107.7	110.1	113.7	113.6	119.3	117.0	118.2	110.2	122.9	119.5	111.3	-9999.0	-9999.0	-9999.0
142	Norwegian Sea	207.7	201.4	192.8	173.8	180.5	186.1	187.7	181.9	175.1	177.9	182.6	184.2	177.1	176.9	171.3	168.2	170.2	180.3	189.0	182.8	181.4	191.0	190.2	187.0	190.5	197.2	206.7	225.1	-9999.0	-9999.0	-9999.0
144	Barents Sea	171.1	153.8	158.9	171.9	182.5	178.8	165.8	157.4	161.9	164.0	166.7	164.1	155.0	145.6	150.0	162.5	174.8	162.9	171.6	180.8	173.3	171.5	178.5	184.4	186.1	185.8	185.0	182.5	-9999.0	-9999.0	-9999.0
146	Kara Sea	149.4	156.4	154.5	150.0	150.9	154.7	166.4	176.4	178.1	169.2	159.8	161.4	169.1	169.7	158.6	141.5	138.0	145.1	148.6	146.5	147.3	145.3	143.2	143.1	144.2	142.0	144.2	145.5	-9999.0	-9999.0	-9999.0
148	Laptev Sea	119.4	124.5	133.5	138.0	134.6	127.0	124.8	126.5	131.1	130.9	126.8	119.4	117.2	125.8	131.8	130.1	129.8	129.0	127.2	125.5	128.2	127.1	126.9	127.6	126.5	126.1	123.7	121.3	-9999.0	-9999.0	-9999.0
150	East Siberian Sea	129.8	125.1	123.9	120.6	118.3	117.9	114.3	114.8	112.1	116.0	128.8	136.9	140.9	157.4	158.5	148.1	141.0	139.2	140.6	142.6	133.7	132.6	131.1	129.7	132.8	136.7	141.5	141.8	-9999.0	-9999.0	-9999.0
152	Gulf of Alaska	184.5	189.7	199.6	193.4	204.8	214.4	215.0	208.3	202.2	212.2	231.5	226.3	229.0	226.7	223.5	204.8	198.0	209.0	217.5	212.2	204.0	217.1	220.2	220.8	211.5	207.5	214.9	202.0	-9999.0	-9999.0	-9999.0
154	Southeast Bering Sea	160.2	157.7	158.8	142.5	149.8	168.4	162.3	183.4	210.6	215.7	222.7	219.5	240.0	236.5	232.0	214.4	202.5	215.4	217.5	206.6	202.0	203.6	219.9	222.0	210.2	229.1	226.0	216.8	-9999.0	-9999.0	-9999.0