1969 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	158.0	163.4	171.2	175.0	176.7	178.6	179.8	180.3	179.9	177.2	176.5	177.8	182.7	187.3	188.3	188.4	189.1	188.3	186.0	185.1	184.6	186.6	190.6	192.2	193.7	193.9	193.7	194.4	196.1	197.9	-9999.0
34	Hudson Bay	162.9	165.6	176.7	184.3	190.3	204.9	207.6	202.1	209.6	207.0	202.2	209.2	225.4	238.2	233.7	222.7	208.4	209.6	214.8	226.1	226.5	230.1	239.0	236.8	233.9	218.3	204.7	200.5	207.2	217.6	-9999.0
36	Hudson Strait	125.7	128.1	129.5	136.9	133.9	134.8	136.0	136.7	148.0	150.1	149.8	151.9	148.0	146.0	156.1	169.4	188.8	169.7	161.4	166.2	176.6	183.2	184.5	186.7	189.4	187.7	181.3	177.0	168.4	169.7	-9999.0
98	Bering Strait	186.0	179.2	177.2	167.8	167.7	183.8	191.8	199.1	196.9	201.0	199.9	196.3	192.2	190.1	188.9	193.0	196.3	193.5	189.3	185.2	186.5	186.8	190.5	200.6	208.5	207.9	212.0	208.1	204.8	206.2	-9999.0
128	Arctic subocean	114.4	109.5	106.5	116.7	129.4	132.1	123.6	109.4	104.1	113.3	113.2	110.6	112.0	111.0	121.0	120.4	115.8	116.0	126.6	127.1	130.2	126.8	127.9	137.5	150.6	155.6	139.8	133.2	145.9	163.8	-9999.0
130	Chukchi Sea	180.2	170.6	156.6	138.9	140.5	158.3	177.9	190.0	195.0	195.0	189.9	194.3	189.6	177.3	169.8	168.4	169.0	167.8	157.4	154.7	165.6	173.6	180.8	189.4	198.2	209.4	213.0	212.9	211.3	215.7	-9999.0
132	Beaufort Sea	179.5	179.2	181.8	189.3	194.4	200.4	203.1	207.9	212.0	213.7	215.9	213.5	221.0	213.7	203.6	205.8	214.1	213.7	212.4	206.3	201.2	204.7	206.1	206.9	208.9	208.8	214.8	223.7	226.9	226.0	-9999.0
134	Arctic Archipelago	133.4	146.2	146.0	146.5	147.7	153.2	158.0	155.7	154.4	143.3	147.9	149.7	143.2	146.7	152.1	162.8	170.2	181.0	188.3	190.2	180.4	179.3	183.9	175.1	166.1	171.8	173.2	171.7	170.5	171.0	-9999.0
136	Foxe Basin	138.1	127.4	128.4	128.9	131.7	137.5	135.0	134.8	137.4	129.9	128.4	128.8	128.2	127.8	130.7	139.0	140.7	152.6	170.4	179.8	184.7	193.4	187.7	177.3	169.6	164.6	158.6	158.7	167.4	177.6	-9999.0
138	Baffin Bay	117.9	118.2	110.1	98.3	98.8	100.1	100.2	98.1	105.0	106.8	104.8	102.1	109.0	116.2	112.1	108.4	111.1	122.0	125.1	126.1	132.1	124.2	111.8	115.6	119.2	121.0	127.7	142.1	157.9	175.4	-9999.0
139	South Greenland	143.5	129.9	113.3	107.3	109.8	113.1	113.8	131.4	132.4	123.7	117.7	128.8	143.0	139.1	127.6	130.2	157.2	168.6	176.6	177.0	173.2	171.4	161.1	150.9	143.4	147.2	163.5	174.7	190.1	193.2	-9999.0
140	Greenland Sea	100.1	99.6	96.0	102.9	108.9	110.5	102.9	96.9	112.2	122.7	120.0	115.6	111.7	120.6	121.1	119.8	120.1	132.5	143.2	140.5	133.0	125.8	119.7	117.3	116.9	112.0	120.3	148.2	164.3	179.6	-9999.0
142	Norwegian Sea	205.1	205.7	223.0	223.0	220.4	217.5	219.4	229.5	237.1	231.5	217.0	215.1	213.8	208.2	198.4	198.4	200.1	210.2	215.8	214.8	229.3	225.1	222.1	221.8	223.4	229.2	238.9	235.0	220.4	214.7	-9999.0
144	Barents Sea	199.2	201.5	203.0	199.1	201.7	185.0	169.6	177.0	197.0	191.3	209.6	211.3	202.0	206.4	210.9	209.2	209.6	213.0	219.3	215.4	217.7	228.9	230.0	230.9	237.1	231.4	201.1	185.0	183.7	185.0	-9999.0
146	Kara Sea	157.7	176.6	198.6	208.1	204.4	197.6	199.7	192.9	179.1	182.6	183.2	182.5	192.6	203.8	204.8	201.8	202.5	195.9	182.2	178.6	181.2	185.0	191.6	199.5	206.1	217.5	219.8	216.7	206.7	199.8	-9999.0
148	Laptev Sea	150.8	154.6	165.4	171.1	173.4	173.9	174.4	180.9	181.1	161.6	154.8	159.9	160.1	161.6	174.7	182.6	173.3	169.0	165.7	160.8	151.4	151.6	161.4	162.9	162.8	158.2	164.3	171.7	181.2	186.4	-9999.0
150	East Siberian Sea	133.6	135.6	135.8	141.5	146.1	150.0	154.8	158.6	161.0	163.3	164.6	157.2	155.5	156.8	159.3	161.9	175.4	177.0	178.9	180.6	191.9	193.1	190.6	182.0	174.3	169.8	167.7	170.9	179.7	182.3	-9999.0
152	Gulf of Alaska	218.2	212.4	206.4	201.6	203.6	211.2	216.2	214.9	218.4	218.7	215.7	209.7	201.7	204.8	209.9	220.5	220.0	211.7	214.0	210.5	208.7	206.7	208.7	214.4	220.4	220.1	218.6	209.7	208.9	213.4	-9999.0
154	Southeast Bering Sea	203.2	203.5	198.7	174.9	199.2	213.9	209.9	217.5	217.5	217.0	218.1	219.2	218.4	218.6	220.4	214.8	218.6	223.7	215.0	211.0	199.9	192.2	199.5	209.0	213.0	217.3	225.4	220.7	228.0	225.4	-9999.0