1999 10 - 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	211.6	213.3	214.3	214.1	212.6	211.1	211.9	210.8	208.2	203.2	197.9	195.8	197.1	198.0	196.0	195.1	195.4	193.1	194.4	197.8	196.1	192.4	190.4	189.3	185.9	183.9	181.8	182.8	185.3	189.2	190.8
34	Hudson Bay	214.7	208.1	206.3	214.0	214.2	207.8	220.4	236.1	245.0	238.1	227.1	220.7	219.5	224.3	222.0	219.7	216.8	207.0	202.4	224.3	233.6	218.2	221.7	223.4	217.0	215.4	216.1	217.3	219.9	230.2	234.1
36	Hudson Strait	243.5	227.9	218.8	210.9	204.8	213.6	210.7	203.1	197.3	197.9	210.5	202.5	200.6	202.2	193.9	184.4	181.1	182.7	190.4	187.1	191.6	200.5	218.7	213.7	194.4	175.6	176.2	190.0	191.4	178.2	204.4
98	Bering Strait	205.0	218.0	216.8	211.5	214.2	214.5	210.4	204.9	202.5	201.2	194.3	191.1	190.8	185.6	174.9	173.4	178.8	193.1	197.6	180.7	178.1	182.4	180.5	178.7	175.2	185.5	171.4	170.2	163.4	156.7	158.3
128	Arctic subocean	168.0	161.7	148.4	161.0	164.5	155.1	157.5	155.3	139.4	136.1	134.5	139.5	133.8	126.5	133.4	130.7	131.2	131.2	132.6	143.1	138.8	126.4	132.6	143.1	142.5	128.9	117.3	122.8	121.9	119.3	116.5
130	Chukchi Sea	215.0	227.5	219.6	215.1	210.2	207.3	207.4	207.1	200.4	196.9	194.6	187.0	179.8	179.0	177.2	170.3	167.6	166.3	167.3	167.7	174.3	173.9	170.1	171.6	172.3	171.4	166.1	158.2	154.0	156.6	162.4
132	Beaufort Sea	190.0	191.4	199.8	196.2	200.5	216.2	228.1	223.7	213.2	202.6	199.5	201.5	212.0	210.5	197.0	191.8	202.3	204.4	231.5	227.5	203.3	215.6	215.0	220.5	206.4	205.7	199.5	194.7	197.9	197.0	185.8
134	Arctic Archipelago	188.5	181.2	177.7	174.1	171.5	171.1	177.2	181.6	185.3	181.4	173.1	172.2	171.9	168.7	163.8	155.0	146.6	147.7	158.7	159.3	149.2	150.0	167.1	168.3	172.6	174.1	175.5	166.2	160.5	169.9	176.3
136	Foxe Basin	204.1	200.9	205.2	202.1	195.8	192.6	194.5	199.2	194.9	193.5	196.5	193.0	179.8	181.1	184.7	180.4	184.3	192.1	189.1	178.0	171.0	172.1	172.9	173.6	164.8	163.5	169.5	173.7	157.8	163.1	165.7
138	Baffin Bay	157.3	144.8	138.9	153.9	155.2	151.0	150.4	144.8	132.5	131.5	126.0	124.5	123.1	129.6	127.3	122.7	134.0	135.9	134.1	141.9	137.8	123.1	121.1	119.4	120.6	118.7	115.7	113.3	108.7	104.8	103.2
139	South Greenland	148.9	161.3	182.8	175.7	155.0	143.8	141.2	140.8	152.9	147.4	138.5	142.8	161.1	164.6	156.7	169.7	186.8	185.3	179.7	184.0	182.7	169.1	143.6	137.9	150.2	159.3	155.4	137.8	129.4	133.9	122.3
140	Greenland Sea	140.1	138.3	127.4	131.7	133.2	127.2	126.3	132.4	139.5	132.7	131.2	120.0	114.1	125.1	120.1	109.2	125.9	140.1	132.6	141.5	142.2	123.9	109.3	108.3	102.6	106.6	119.0	118.4	118.6	119.0	102.8
142	Norwegian Sea	245.0	242.7	248.1	247.8	230.7	238.8	235.9	236.1	233.9	238.4	237.7	238.1	241.0	238.5	229.7	233.3	238.3	228.5	229.2	231.1	226.2	217.7	237.6	250.8	245.7	245.3	225.0	229.6	237.3	251.5	258.5
144	Barents Sea	273.6	281.0	266.7	269.2	278.1	260.0	254.2	261.2	255.9	256.3	258.6	256.0	243.1	238.4	234.1	221.9	209.1	208.4	208.8	219.7	214.8	222.9	219.9	220.3	224.2	230.9	233.0	228.0	229.7	226.2	224.4
146	Kara Sea	237.8	248.2	254.7	254.5	253.1	253.0	245.5	231.9	222.0	217.0	208.8	210.2	216.6	222.0	226.5	227.5	222.5	213.7	216.5	217.1	207.2	194.4	191.8	187.1	183.6	181.4	185.7	199.4	209.2	213.0	217.5
148	Laptev Sea	196.8	193.1	193.5	189.0	183.0	183.9	191.8	196.8	194.7	187.6	185.0	177.4	172.0	167.5	170.3	173.6	176.7	177.6	168.8	172.5	184.9	191.2	183.8	184.0	179.0	171.2	159.7	156.3	162.5	175.7	179.8
150	East Siberian Sea	202.5	198.2	192.6	191.0	191.2	184.4	176.8	179.4	186.3	185.6	182.3	181.8	181.3	182.9	176.9	172.8	170.3	164.0	162.1	165.1	181.4	195.3	195.4	194.1	191.6	175.7	169.2	161.5	155.7	153.4	159.0
152	Gulf of Alaska	244.6	243.7	232.3	232.6	239.5	235.9	229.8	225.4	217.5	214.1	214.3	221.2	221.4	203.4	194.7	222.7	229.7	246.6	238.2	214.9	212.0	211.1	208.3	192.3	206.1	203.6	194.2	196.0	186.9	180.7	188.1
154	Southeast Bering Sea	261.8	246.2	236.9	244.0	239.5	233.5	224.3	216.5	213.9	212.8	214.2	206.0	199.8	195.1	188.6	194.9	196.3	202.4	204.9	198.2	203.9	189.9	185.4	179.7	178.7	176.0	177.6	176.1	171.2	168.7	165.4