1959 04 - 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	172.0	168.1	166.0	166.7	164.9	166.6	169.9	172.4	175.2	178.0	181.7	185.1	187.6	188.0	188.5	187.7	186.7	185.1	184.3	188.1	192.4	193.2	193.0	191.4	193.1	198.1	200.9	199.9	195.8	193.2	-9999.0
34	Hudson Bay	202.0	199.4	186.5	187.5	190.7	199.9	197.4	184.1	177.7	181.6	193.7	207.3	217.0	214.0	209.2	202.0	198.4	199.4	200.4	205.9	208.2	204.8	195.4	185.9	187.7	201.0	213.3	218.1	215.4	219.1	-9999.0
36	Hudson Strait	180.8	174.9	178.8	164.5	155.9	157.3	171.0	182.9	164.0	145.3	148.1	154.4	166.4	178.6	191.4	188.2	185.6	190.2	192.6	194.3	193.8	198.8	205.7	212.6	182.7	194.1	192.0	197.3	204.0	221.9	-9999.0
98	Bering Strait	169.5	176.3	172.6	172.4	167.6	168.3	182.1	204.0	203.1	188.3	183.4	176.7	175.8	169.9	164.3	168.9	153.7	146.7	148.6	160.3	172.6	183.0	199.5	204.4	199.0	198.0	196.9	191.3	189.7	192.8	-9999.0
128	Arctic subocean	124.6	125.9	113.9	115.9	120.9	127.8	133.5	130.9	118.1	116.1	125.2	130.4	133.7	132.6	137.1	140.5	147.1	138.3	135.8	137.3	126.8	116.6	120.9	135.1	144.6	153.1	152.4	139.9	146.0	144.7	-9999.0
130	Chukchi Sea	162.3	154.8	145.6	149.5	154.5	144.4	142.6	155.0	162.3	170.1	179.7	169.3	159.2	153.1	147.5	140.3	139.4	146.7	148.1	153.3	167.1	193.8	215.1	207.5	195.1	192.1	189.4	193.6	198.5	206.9	-9999.0
132	Beaufort Sea	188.5	186.4	192.2	186.9	180.6	181.1	181.6	198.2	213.3	215.0	220.8	219.1	210.3	196.2	185.5	191.3	202.1	196.7	190.5	178.0	176.8	172.6	177.2	183.5	193.2	194.8	195.6	191.2	185.2	184.4	-9999.0
134	Arctic Archipelago	131.6	129.7	135.0	143.7	136.4	133.1	138.6	144.8	160.7	189.8	191.0	169.0	167.4	164.4	167.9	164.1	174.6	179.8	180.2	179.5	164.3	152.2	149.0	145.9	149.0	152.9	150.6	156.2	157.2	158.1	-9999.0
136	Foxe Basin	143.0	141.5	137.8	140.9	142.1	131.5	139.5	136.4	133.3	139.2	159.9	170.2	163.4	161.1	169.5	171.2	169.1	170.6	172.5	174.1	173.1	169.2	166.9	175.6	178.6	152.4	171.3	156.8	156.8	159.5	-9999.0
138	Baffin Bay	113.1	107.2	100.8	96.7	95.2	95.2	102.2	97.3	108.4	124.2	140.4	150.1	155.9	157.3	145.1	132.1	141.0	140.7	133.7	137.3	136.6	126.1	114.3	114.8	127.6	153.1	142.6	154.5	162.4	140.6	-9999.0
139	South Greenland	134.0	125.8	126.7	138.8	134.6	129.4	127.5	130.1	161.1	180.8	183.1	181.2	175.5	168.8	169.7	164.1	164.8	172.1	178.3	184.3	184.7	180.2	169.7	166.6	163.8	161.7	162.7	165.8	155.9	151.9	-9999.0
140	Greenland Sea	145.1	129.2	109.6	116.4	105.6	115.8	122.4	112.5	120.3	146.0	140.7	129.5	132.1	130.3	138.9	126.1	127.2	133.5	120.7	115.0	124.3	129.9	125.4	122.5	121.0	132.1	145.7	141.5	146.9	144.2	-9999.0
142	Norwegian Sea	232.5	227.6	234.7	228.3	221.3	225.2	222.3	212.2	205.3	204.1	198.5	197.4	212.7	230.6	238.6	241.0	229.4	206.5	203.5	207.3	209.6	211.3	222.9	235.1	248.8	253.0	258.8	253.7	253.4	246.9	-9999.0
144	Barents Sea	204.6	203.0	190.1	177.5	170.6	168.4	166.5	170.8	178.7	175.0	184.7	201.8	209.4	204.8	214.0	211.5	211.9	219.6	207.3	201.7	197.3	185.0	190.5	197.3	206.8	222.0	238.7	238.9	244.1	247.0	-9999.0
146	Kara Sea	175.6	174.0	181.3	184.5	182.7	181.1	182.1	183.6	182.7	182.8	184.8	192.4	199.5	206.0	207.7	205.8	196.5	187.1	189.2	201.6	215.6	224.1	222.8	212.6	212.0	217.3	219.4	216.0	207.9	205.3	-9999.0
148	Laptev Sea	167.9	149.9	139.8	147.1	148.3	149.8	151.8	153.2	158.9	165.5	166.3	168.5	167.5	172.3	178.7	184.9	189.7	191.4	190.1	188.9	186.0	184.1	189.8	199.9	200.4	196.5	194.6	193.4	186.2	169.7	-9999.0
150	East Siberian Sea	142.8	148.4	152.9	139.2	140.5	157.0	181.5	186.3	172.1	155.7	157.3	155.9	155.8	159.1	155.6	159.4	171.1	180.5	180.0	182.6	190.9	195.6	188.7	186.5	201.6	210.3	211.8	204.0	199.6	201.9	-9999.0
152	Gulf of Alaska	197.5	209.8	198.6	195.7	190.0	193.4	210.6	224.6	219.8	212.4	207.9	201.6	195.0	193.8	202.9	209.1	200.9	187.4	185.3	203.0	206.2	211.8	216.9	221.2	216.0	216.6	211.2	205.0	197.4	197.9	-9999.0
154	Southeast Bering Sea	185.8	203.8	189.9	165.8	172.2	188.5	193.8	213.5	211.9	206.8	193.1	175.2	178.3	197.2	203.4	210.0	193.0	181.5	178.0	186.1	221.8	233.4	230.9	219.8	208.2	208.9	204.3	204.9	204.6	208.9	-9999.0