1989 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	175.3	174.7	179.1	181.6	181.8	177.6	175.3	175.9	177.1	178.1	181.9	180.9	183.1	183.8	181.6	177.7	176.3	179.5	184.5	188.0	191.9	194.1	195.9	197.8	199.8	200.8	201.9	203.6	205.9	209.3	-9999.0
34	Hudson Bay	197.1	200.3	203.6	200.7	195.6	189.2	186.4	173.6	177.1	185.0	189.8	201.3	212.6	211.0	213.6	196.4	177.1	184.2	193.2	200.4	210.9	228.7	234.4	236.1	232.4	228.6	225.4	225.3	224.1	225.7	-9999.0
36	Hudson Strait	164.3	152.0	154.7	172.9	188.0	183.9	183.5	170.9	165.4	159.6	152.8	154.5	169.6	193.0	210.8	213.7	202.0	179.6	174.1	184.7	197.9	203.7	211.8	212.1	209.9	208.2	216.5	217.2	205.4	200.1	-9999.0
98	Bering Strait	159.2	162.5	177.6	182.0	191.1	185.3	191.4	193.5	188.1	189.6	189.7	193.0	197.8	193.0	201.0	204.7	201.3	194.6	189.4	189.8	188.4	188.0	195.1	201.6	208.8	208.9	201.5	205.0	213.5	216.4	-9999.0
128	Arctic subocean	126.0	127.4	119.0	111.0	113.5	121.1	132.3	123.8	107.3	101.9	105.3	118.4	122.8	132.7	148.4	145.7	147.2	145.9	155.6	161.3	176.5	172.3	164.3	167.5	165.0	155.7	156.8	165.0	152.3	148.0	-9999.0
130	Chukchi Sea	148.7	147.6	159.3	183.7	173.9	200.4	208.7	202.7	201.4	194.6	181.8	192.7	212.5	204.4	205.6	212.9	198.9	198.7	187.6	180.8	181.7	177.6	181.1	185.4	182.0	169.6	155.6	171.8	195.2	199.2	-9999.0
132	Beaufort Sea	180.5	175.4	171.5	177.9	183.5	184.6	187.2	190.5	198.2	199.3	213.8	213.8	210.6	213.3	196.3	166.0	182.2	188.0	189.3	196.4	200.0	197.6	202.9	213.3	219.2	225.9	231.0	230.6	236.9	241.5	-9999.0
134	Arctic Archipelago	141.0	142.2	141.3	144.1	154.6	156.4	153.8	166.0	160.5	155.7	171.3	177.6	169.3	146.8	135.3	143.2	158.5	164.9	161.7	157.7	158.5	161.0	170.4	182.9	198.6	211.4	209.1	216.3	189.3	186.0	-9999.0
136	Foxe Basin	130.5	128.2	128.8	139.7	143.9	155.0	159.2	157.1	157.2	134.9	126.8	137.7	143.5	158.0	159.2	175.7	190.5	160.8	155.2	173.7	189.7	190.0	194.6	204.5	195.5	193.8	200.8	200.1	204.5	161.6	-9999.0
138	Baffin Bay	127.7	111.6	104.1	106.4	105.8	105.0	107.2	113.9	114.5	100.3	99.1	101.1	105.1	122.9	122.1	131.1	147.6	150.0	158.8	170.7	175.2	173.9	175.5	161.9	158.3	152.1	158.2	156.4	154.6	145.7	-9999.0
139	South Greenland	132.3	119.7	130.4	137.8	138.2	132.2	124.1	124.9	122.8	124.7	128.6	120.0	126.4	130.5	134.9	138.9	140.7	148.8	149.6	150.2	167.2	177.6	177.4	171.9	170.7	174.3	175.2	173.7	170.1	158.8	-9999.0
140	Greenland Sea	132.1	103.1	98.0	96.3	104.4	101.9	100.1	100.6	98.6	103.9	118.4	133.5	135.3	148.0	130.8	120.6	122.8	121.4	123.9	138.9	151.5	155.1	143.9	145.1	144.3	143.7	141.6	133.2	141.4	144.9	-9999.0
142	Norwegian Sea	197.9	196.7	202.4	205.9	211.6	202.4	220.4	226.1	226.7	223.5	231.8	242.5	251.5	259.4	251.0	246.7	224.6	230.6	230.7	232.7	216.1	208.9	210.0	217.3	216.8	220.3	229.2	233.2	222.2	223.5	-9999.0
144	Barents Sea	189.5	192.3	194.7	201.8	204.2	179.5	196.4	205.4	215.1	229.0	223.2	212.4	216.3	218.2	219.7	226.5	218.8	225.9	231.5	228.2	225.7	229.2	232.0	231.0	218.5	218.1	225.6	231.9	249.9	265.9	-9999.0
146	Kara Sea	204.0	208.8	212.8	205.3	197.6	198.0	198.5	202.9	193.4	188.1	194.8	193.9	193.8	194.7	189.8	183.3	180.2	182.1	189.2	191.4	194.4	189.2	187.7	191.7	198.6	198.9	198.3	200.1	206.4	215.3	-9999.0
148	Laptev Sea	158.3	152.5	167.1	181.2	176.8	166.5	147.0	150.7	176.9	185.8	180.2	165.4	163.5	163.0	160.3	162.8	162.0	168.5	179.2	185.9	187.8	193.0	192.7	188.5	187.7	193.7	199.8	200.2	199.8	201.8	-9999.0
150	East Siberian Sea	138.5	151.8	155.5	165.6	190.9	180.9	172.1	158.0	141.7	138.9	141.5	136.7	138.6	141.0	147.4	164.8	172.5	178.3	180.6	172.3	165.8	163.6	163.0	162.8	164.5	162.2	164.2	168.5	175.6	181.9	-9999.0
152	Gulf of Alaska	203.8	196.8	194.6	191.4	198.2	196.3	187.6	190.2	191.5	210.9	221.0	210.3	207.5	213.7	213.9	215.4	211.7	208.5	213.8	225.4	224.1	218.9	223.0	222.5	234.5	236.2	231.4	230.9	227.7	233.2	-9999.0
154	Southeast Bering Sea	204.7	203.3	186.8	192.7	202.2	198.9	213.2	216.9	212.4	207.7	214.1	211.7	219.8	211.8	220.0	215.4	211.8	206.3	209.4	208.5	208.5	214.5	231.9	223.0	220.9	204.7	207.5	233.0	229.1	238.7	-9999.0