1989 04 - daily  - mean of NCEP mean Daily Downward Longwave Radiation 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	199.9	198.4	203.1	206.1	209.2	202.3	201.5	203.5	202.4	203.0	207.4	205.6	210.3	210.7	210.9	205.8	201.4	202.8	207.7	213.6	217.2	218.4	221.0	223.5	223.3	223.1	221.8	222.7	226.7	230.1	-9999.0
34	Hudson Bay	227.3	229.1	230.4	229.4	218.6	206.5	212.7	201.8	204.0	216.7	211.5	218.4	240.4	236.8	253.3	231.4	204.9	208.4	212.4	223.5	234.5	259.3	267.7	265.6	251.9	250.0	240.3	238.9	238.2	240.1	-9999.0
36	Hudson Strait	192.4	160.6	162.4	194.7	207.5	200.7	209.2	204.6	190.8	185.0	171.6	181.9	218.4	233.1	245.6	237.0	240.1	215.3	192.0	215.0	247.4	244.1	246.3	253.2	249.0	230.2	260.7	247.9	219.2	217.6	-9999.0
98	Bering Strait	171.9	175.3	200.1	204.2	224.1	206.0	215.6	222.8	208.3	215.7	214.9	233.2	232.1	213.1	233.7	243.2	237.0	218.1	207.3	218.3	216.6	225.3	230.0	244.7	250.0	239.1	221.4	226.1	247.8	240.9	-9999.0
128	Arctic subocean	144.9	157.8	138.6	127.1	128.1	140.2	167.6	150.4	130.1	122.3	120.3	133.1	137.0	141.8	176.4	179.0	166.2	156.9	172.0	175.3	195.3	185.7	177.8	202.0	194.2	172.3	178.8	194.4	183.4	181.9	-9999.0
130	Chukchi Sea	163.5	162.1	187.1	222.4	196.7	229.3	253.7	242.0	242.7	224.1	208.5	246.1	274.9	226.9	228.8	253.9	227.4	227.3	207.6	206.8	217.2	204.9	205.8	218.1	215.3	208.1	165.5	180.2	228.4	217.6	-9999.0
132	Beaufort Sea	204.9	195.6	190.2	194.3	204.3	211.1	222.1	219.5	224.2	209.9	232.4	236.2	232.0	236.0	228.2	186.7	203.7	206.9	205.0	224.8	228.1	217.7	220.5	232.7	235.2	242.1	241.4	235.0	247.4	258.9	-9999.0
134	Arctic Archipelago	158.2	161.8	163.4	162.5	176.2	181.0	183.2	206.3	183.3	183.6	200.6	205.2	200.9	172.4	163.0	174.7	186.8	196.0	197.8	190.1	185.1	183.8	201.4	209.5	225.1	242.3	222.9	239.4	205.0	215.4	-9999.0
136	Foxe Basin	159.4	145.6	141.1	155.8	163.7	187.2	187.2	190.2	196.9	157.5	155.2	177.1	178.4	207.9	199.4	209.9	232.7	197.3	167.6	201.2	219.7	213.6	211.4	227.2	206.8	208.6	219.2	215.3	238.8	173.7	-9999.0
138	Baffin Bay	162.8	135.8	119.7	115.7	117.3	119.9	125.8	135.2	149.0	118.4	108.4	107.3	114.8	135.0	140.3	148.8	163.7	164.7	175.3	201.3	194.7	185.4	203.9	180.5	178.8	170.8	176.8	179.7	192.8	181.3	-9999.0
139	South Greenland	156.4	139.2	150.6	155.2	159.6	153.5	136.6	138.5	137.0	143.4	147.5	135.5	148.8	154.8	154.7	153.7	158.1	167.2	164.4	164.1	185.3	196.7	192.3	185.6	186.0	189.3	188.0	188.5	186.5	172.4	-9999.0
140	Greenland Sea	144.1	112.2	105.2	101.0	115.0	110.8	107.2	108.6	107.2	115.1	135.0	156.7	153.6	178.2	144.4	137.4	131.0	127.7	132.1	149.6	164.2	164.3	152.0	162.0	152.3	162.5	155.2	143.8	155.0	154.0	-9999.0
142	Norwegian Sea	221.1	214.3	224.3	237.9	244.9	223.3	243.7	262.5	260.9	249.7	261.9	274.9	291.0	292.2	270.2	270.4	240.4	253.4	250.3	264.2	247.5	236.4	241.7	249.3	240.1	244.6	265.0	274.6	250.2	250.2	-9999.0
144	Barents Sea	211.0	211.0	209.2	226.7	238.5	197.0	218.3	224.5	237.6	253.5	246.7	226.9	234.2	230.3	232.9	244.5	230.6	245.1	265.3	254.4	254.0	260.0	254.6	254.1	240.5	236.6	242.5	248.8	282.6	301.5	-9999.0
146	Kara Sea	228.5	236.5	239.4	234.5	233.2	227.9	223.7	231.0	217.6	212.5	224.1	221.9	219.3	221.4	217.1	210.0	204.5	205.9	219.2	221.9	223.6	213.0	211.8	216.9	224.1	226.7	225.4	225.0	231.6	239.4	-9999.0
148	Laptev Sea	187.7	177.4	197.9	210.1	203.9	195.1	174.3	176.8	205.9	213.5	211.2	191.5	198.7	202.1	198.2	197.1	190.9	196.7	202.1	204.5	209.3	214.4	215.2	212.5	206.9	209.9	221.1	219.8	215.3	219.7	-9999.0
150	East Siberian Sea	160.8	182.7	188.9	187.1	222.4	219.0	212.1	199.4	178.8	169.5	169.7	168.7	166.0	171.5	168.0	192.8	199.3	195.3	198.1	196.5	180.9	183.9	185.9	184.3	191.0	178.6	177.2	182.0	191.9	193.8	-9999.0
152	Gulf of Alaska	223.9	207.8	208.5	209.8	228.0	206.1	193.1	200.3	199.0	255.9	264.5	233.3	218.7	241.2	232.8	245.5	242.9	242.0	245.0	264.2	253.8	247.2	257.8	266.1	287.4	276.8	264.5	267.9	250.8	246.8	-9999.0
154	Southeast Bering Sea	224.5	227.5	198.8	220.0	220.4	211.7	245.3	255.0	229.0	237.4	239.6	234.8	241.0	227.6	248.4	249.2	251.2	231.8	231.2	226.7	221.3	242.7	288.5	268.6	269.4	225.9	236.6	279.0	260.5	270.1	-9999.0