2004 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	175.4	177.9	182.0	182.7	183.8	185.0	184.7	183.0	181.5	181.5	181.7	181.7	182.2	183.0	183.6	184.5	183.5	185.4	187.9	187.3	187.7	190.4	193.0	196.0	197.7	197.9	196.4	194.8	196.3	198.8	-9999.0
34	Hudson Bay	209.9	201.9	192.0	194.6	202.6	204.0	199.4	190.2	184.2	184.5	185.3	198.0	195.8	188.4	189.2	201.5	197.4	199.8	207.1	208.1	202.1	198.2	195.5	205.8	209.9	208.6	214.5	210.4	205.9	206.1	-9999.0
36	Hudson Strait	191.9	201.2	177.0	161.1	159.4	157.8	169.2	192.0	192.8	191.4	170.3	161.0	175.4	200.3	152.0	164.3	203.8	167.4	159.3	172.3	176.5	211.2	168.2	181.8	170.6	195.4	216.5	204.8	188.0	197.6	-9999.0
98	Bering Strait	146.2	159.7	186.3	187.2	185.5	193.4	204.1	209.0	205.2	208.7	204.4	199.2	192.5	191.2	196.3	204.0	196.9	199.8	195.2	191.8	193.2	195.9	197.6	197.7	206.3	211.3	210.3	208.6	209.3	225.4	-9999.0
128	Arctic subocean	122.1	125.2	124.4	123.0	125.3	125.3	124.9	133.3	125.9	120.1	127.3	141.9	134.5	132.9	135.2	139.8	137.9	141.3	146.5	140.7	149.8	175.1	168.0	170.0	164.2	160.2	160.8	161.2	154.1	147.7	-9999.0
130	Chukchi Sea	141.8	141.9	148.0	160.1	171.1	182.9	198.1	207.4	209.1	213.2	210.3	206.7	203.2	201.1	206.8	219.0	201.2	194.6	178.2	184.2	179.2	178.6	182.2	182.0	184.7	202.8	212.1	207.2	200.2	204.0	-9999.0
132	Beaufort Sea	172.5	173.3	204.8	214.1	203.4	197.8	197.8	203.1	202.4	207.0	214.4	189.2	173.1	177.6	173.2	168.3	170.4	183.6	192.3	191.4	192.9	193.0	208.2	206.3	206.8	219.1	220.4	209.9	213.4	212.4	-9999.0
134	Arctic Archipelago	159.2	138.5	136.7	148.6	150.0	149.4	149.6	154.0	154.7	163.0	161.1	145.9	154.6	153.6	149.5	148.9	147.9	147.9	148.4	153.0	153.8	152.5	156.3	166.1	165.5	162.9	165.1	170.0	175.5	173.4	-9999.0
136	Foxe Basin	188.8	162.9	137.0	133.1	132.9	131.7	136.5	145.3	152.5	153.4	147.8	158.3	171.2	176.2	170.1	158.9	150.9	164.0	164.4	158.3	151.9	170.8	181.3	172.5	167.2	165.5	181.4	192.9	198.1	187.8	-9999.0
138	Baffin Bay	110.4	115.6	124.1	113.6	109.8	103.7	94.2	100.1	112.4	108.3	101.9	105.1	103.6	118.5	122.9	129.7	129.8	127.9	131.9	140.2	155.1	168.0	165.0	178.1	174.0	163.5	151.4	150.7	163.3	163.8	-9999.0
139	South Greenland	133.9	149.4	143.9	136.9	140.5	161.4	167.3	153.4	154.2	153.8	156.7	153.3	135.2	139.7	144.5	143.0	138.1	150.0	149.9	151.1	173.9	181.8	186.1	182.4	175.5	169.9	169.5	191.2	194.8	186.2	-9999.0
140	Greenland Sea	119.3	109.4	120.0	132.6	131.4	128.2	113.6	123.2	116.7	109.5	115.0	123.6	132.5	135.6	137.1	134.5	138.5	141.2	142.5	140.8	160.5	182.1	180.6	181.1	176.5	167.6	154.9	148.4	144.1	155.0	-9999.0
142	Norwegian Sea	211.8	211.1	215.1	228.7	227.0	217.2	216.8	222.7	215.7	211.5	208.8	211.9	229.0	236.5	236.3	236.3	237.5	240.7	241.0	239.2	233.7	229.5	231.3	231.4	237.0	230.9	231.8	238.0	235.3	230.8	-9999.0
144	Barents Sea	167.8	169.1	195.4	210.6	215.0	202.3	194.8	200.9	211.0	221.9	223.0	219.2	215.6	209.6	206.5	197.4	202.3	214.1	189.7	182.1	186.7	187.4	184.7	186.9	194.2	205.6	214.2	224.7	225.7	234.7	-9999.0
146	Kara Sea	201.7	206.9	201.1	197.2	200.5	204.8	201.7	194.1	184.6	180.8	183.7	190.2	197.0	198.7	201.4	197.8	194.1	195.2	204.1	200.7	196.5	200.1	206.9	209.2	210.3	202.1	194.8	193.9	197.4	199.4	-9999.0
148	Laptev Sea	166.1	170.9	179.3	175.3	172.3	170.1	174.9	175.0	180.9	179.4	172.5	168.5	170.0	172.4	178.7	183.1	185.0	180.8	179.8	182.3	184.2	186.2	189.6	189.8	193.4	201.3	194.6	179.8	177.9	180.7	-9999.0
150	East Siberian Sea	142.8	151.3	159.1	166.6	165.0	163.2	164.4	167.0	171.2	175.5	181.6	187.9	196.2	192.8	187.7	182.1	184.6	185.4	188.7	184.9	177.5	168.3	165.7	170.1	173.1	170.1	171.1	186.7	195.6	203.5	-9999.0
152	Gulf of Alaska	168.2	203.1	221.1	210.8	210.1	219.4	225.0	215.9	219.7	209.0	206.5	211.0	214.0	213.2	207.1	219.6	216.6	211.4	207.9	212.3	207.7	217.1	214.9	216.3	226.9	223.6	222.0	221.7	233.5	237.3	-9999.0
154	Southeast Bering Sea	146.0	165.0	179.4	183.5	209.5	225.7	225.5	220.8	224.3	220.5	221.3	211.8	213.7	215.1	237.4	227.4	212.9	213.7	217.3	219.0	219.6	222.7	220.9	220.2	219.7	226.1	228.2	216.8	234.8	243.7	-9999.0