1990 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	201.6	207.5	208.4	206.1	207.0	211.0	210.3	201.8	200.4	205.3	203.1	207.9	209.7	210.3	212.1	211.2	212.9	215.9	218.2	217.6	219.3	226.6	227.8	226.8	222.6	219.8	220.2	221.6	228.7	235.9	-9999.0
34	Hudson Bay	208.0	212.9	229.6	213.4	197.1	203.6	216.7	211.2	213.8	208.4	206.1	217.5	218.8	215.7	222.0	213.9	210.2	227.1	251.9	256.4	268.1	280.8	291.9	294.4	278.1	266.6	242.1	245.0	259.7	263.8	-9999.0
36	Hudson Strait	213.8	158.7	162.1	206.7	274.7	266.4	235.6	200.1	189.1	198.8	178.5	198.3	197.8	176.1	178.8	205.7	201.0	195.3	188.6	167.5	199.3	224.9	172.4	227.3	250.4	195.9	183.2	168.2	193.2	284.8	-9999.0
98	Bering Strait	209.3	202.4	202.3	229.4	220.6	201.2	199.8	210.2	206.3	213.9	204.3	206.9	212.2	210.1	204.5	204.5	240.5	235.7	236.5	231.4	234.3	236.3	235.8	241.3	235.2	239.5	237.3	221.6	206.7	228.4	-9999.0
128	Arctic subocean	163.0	144.1	157.2	169.6	168.2	200.3	182.0	172.1	207.1	218.4	158.6	171.3	176.2	158.0	140.8	153.9	164.4	193.3	166.0	165.5	185.5	182.1	173.3	174.8	160.3	167.5	197.9	186.9	177.4	170.0	-9999.0
130	Chukchi Sea	185.5	201.5	221.6	235.4	219.6	188.3	202.0	226.4	241.1	224.9	213.9	218.6	223.6	218.5	218.5	206.9	196.6	184.7	181.9	187.0	215.8	221.9	209.1	209.7	244.0	251.0	240.9	234.0	185.8	188.6	-9999.0
132	Beaufort Sea	232.2	243.9	218.8	205.8	233.2	218.2	213.8	204.0	192.5	204.0	200.4	215.9	225.9	228.9	220.4	211.0	233.4	264.8	247.0	251.4	249.0	256.3	243.8	240.9	231.3	222.1	221.1	228.6	232.1	224.9	-9999.0
134	Arctic Archipelago	167.8	182.3	176.3	170.1	198.8	234.0	203.3	180.6	206.5	230.2	195.7	172.3	176.3	178.4	181.0	177.7	165.2	157.7	176.5	192.5	185.7	181.5	190.8	172.5	163.3	178.8	201.0	197.1	190.9	208.1	-9999.0
136	Foxe Basin	180.9	196.2	180.9	175.6	156.9	152.5	155.4	172.4	167.6	210.0	216.6	160.1	154.2	141.8	147.2	165.2	159.3	153.4	151.8	168.0	158.5	133.9	156.8	203.7	177.1	155.6	179.8	195.8	178.2	181.7	-9999.0
138	Baffin Bay	134.8	171.6	164.7	139.2	120.7	125.6	145.7	142.2	149.1	171.1	170.0	142.2	122.7	126.4	127.0	122.7	110.9	118.0	117.9	135.6	122.7	116.7	129.2	128.5	126.9	125.4	147.3	172.7	162.2	143.7	-9999.0
139	South Greenland	157.4	150.8	138.7	149.0	145.7	173.3	185.9	176.5	144.2	139.0	137.4	159.9	157.2	151.7	149.5	141.4	147.4	148.7	183.1	159.2	132.9	129.8	132.2	137.0	139.8	139.3	144.0	139.6	152.5	144.4	-9999.0
140	Greenland Sea	118.0	115.0	109.4	98.1	110.0	108.7	117.5	133.5	129.4	130.7	126.5	126.9	129.2	127.3	136.8	181.8	194.0	193.0	159.8	146.5	136.2	141.3	131.1	138.3	150.8	134.5	119.0	132.8	141.1	131.9	-9999.0
142	Norwegian Sea	244.1	236.0	232.0	207.1	218.9	208.1	217.5	251.3	271.7	255.0	248.3	273.4	242.8	251.7	263.6	269.3	247.7	237.0	256.1	233.6	248.3	281.5	273.9	260.5	275.7	281.5	240.6	259.6	299.9	277.3	-9999.0
144	Barents Sea	243.1	214.4	207.3	245.6	230.8	207.4	218.9	228.1	234.9	251.5	255.2	252.2	270.1	272.7	269.4	262.0	256.4	244.2	235.3	230.5	234.7	238.5	251.8	260.4	261.4	257.1	266.4	276.3	281.3	276.9	-9999.0
146	Kara Sea	213.9	229.1	236.0	223.2	229.9	233.8	221.9	209.4	208.8	214.3	213.1	217.5	226.2	228.1	229.6	228.9	219.8	214.1	215.7	218.5	224.0	238.9	234.5	228.8	237.4	242.1	243.0	242.9	254.5	264.5	-9999.0
148	Laptev Sea	196.1	204.0	202.5	202.6	200.6	202.6	209.6	194.2	186.6	180.2	191.3	203.7	196.6	205.8	221.5	219.3	223.8	224.4	217.4	211.9	217.8	227.3	228.5	210.3	195.7	199.6	210.6	206.6	219.6	231.3	-9999.0
150	East Siberian Sea	180.8	180.5	184.1	194.1	185.1	223.3	234.7	220.1	226.8	243.8	242.5	234.9	219.6	211.3	195.4	201.1	213.7	221.3	221.0	218.7	201.4	190.9	218.7	247.7	223.1	188.5	188.7	209.9	210.7	209.4	-9999.0
152	Gulf of Alaska	219.8	221.3	239.4	266.1	232.1	241.6	209.7	201.2	204.3	203.1	220.4	225.9	213.2	213.8	212.9	231.8	278.7	276.6	284.8	260.1	242.3	236.8	242.3	248.6	234.4	230.4	234.8	222.1	236.3	279.9	-9999.0
154	Southeast Bering Sea	210.1	246.4	267.5	261.1	218.9	265.6	252.3	229.0	218.4	222.8	224.7	226.0	220.1	223.5	227.7	258.3	252.1	265.6	274.7	271.7	268.0	260.0	252.2	231.6	223.1	253.4	247.1	233.3	242.4	278.4	-9999.0