1969 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	185.7	193.3	202.2	201.6	201.2	204.9	205.4	207.3	206.1	203.2	202.4	200.8	206.4	211.6	212.6	213.1	216.2	214.6	212.4	213.7	212.4	212.1	216.4	217.1	220.9	221.9	220.3	219.9	219.7	223.0	-9999.0
34	Hudson Bay	187.5	191.1	203.0	204.3	205.9	224.7	225.3	224.6	233.3	221.5	220.6	224.2	243.1	259.1	260.2	247.4	229.8	232.0	243.2	261.3	253.0	248.4	257.8	254.7	252.1	241.9	225.1	215.3	222.6	237.2	-9999.0
36	Hudson Strait	155.3	155.2	161.3	175.6	157.0	162.5	153.8	157.7	168.7	173.4	177.9	190.3	172.3	160.0	173.2	188.5	226.6	207.3	191.5	195.3	196.9	206.2	201.2	198.8	209.4	208.7	203.4	206.0	198.4	200.6	-9999.0
98	Bering Strait	216.4	203.4	208.7	197.9	188.9	213.6	220.9	229.6	227.4	235.6	229.5	221.5	218.3	217.3	210.2	215.4	220.1	216.0	214.3	212.9	214.4	213.9	211.8	225.2	238.9	235.8	248.9	243.4	233.7	234.0	-9999.0
128	Arctic subocean	131.3	125.1	112.7	123.7	138.5	150.6	138.6	118.8	113.4	122.5	121.0	121.5	125.9	125.9	130.4	130.7	126.6	130.7	141.0	139.9	149.4	150.3	146.9	156.6	182.0	185.4	149.5	140.9	153.8	173.5	-9999.0
130	Chukchi Sea	224.8	208.5	191.7	160.4	148.6	169.9	205.3	224.1	229.6	235.1	212.1	220.2	216.9	193.7	176.5	179.2	182.4	178.3	161.7	159.9	177.2	184.4	191.8	206.5	216.0	226.8	240.2	240.6	230.9	245.8	-9999.0
132	Beaufort Sea	208.3	201.7	203.5	206.6	214.3	224.5	230.5	228.2	226.2	241.9	238.0	233.1	255.9	239.5	219.8	223.7	243.6	242.4	248.2	243.2	231.2	235.5	228.8	232.8	246.2	237.8	236.4	248.5	249.3	245.5	-9999.0
134	Arctic Archipelago	147.5	173.2	164.5	152.9	154.2	163.4	176.9	173.6	170.0	153.2	164.4	166.0	152.8	164.1	172.0	187.4	192.8	204.2	212.7	229.6	212.1	212.3	221.2	200.8	179.5	191.2	186.9	177.8	177.2	178.4	-9999.0
136	Foxe Basin	182.0	157.3	156.3	151.6	155.1	169.4	160.9	161.4	169.5	163.6	156.8	160.0	153.8	145.4	148.1	147.9	148.3	165.0	196.2	212.0	211.1	224.8	214.8	190.9	185.8	190.5	184.6	179.6	195.0	214.8	-9999.0
138	Baffin Bay	129.7	136.1	120.3	103.3	103.5	107.3	105.9	103.1	111.7	112.9	113.1	111.5	118.8	132.1	121.9	117.4	120.7	139.6	136.1	139.2	148.7	134.4	117.1	120.6	132.0	132.7	138.3	160.0	176.0	199.4	-9999.0
139	South Greenland	173.2	150.8	128.3	118.5	122.5	128.9	127.2	148.8	148.3	139.9	130.8	145.9	170.6	161.0	143.9	144.1	196.8	194.9	206.6	200.9	192.4	188.5	176.5	164.1	159.7	164.5	192.7	202.7	219.7	222.9	-9999.0
140	Greenland Sea	108.9	109.7	108.1	116.0	117.5	121.0	115.8	106.8	128.3	144.1	137.1	129.3	120.4	128.7	128.4	133.3	138.3	149.3	162.3	150.9	140.8	135.9	139.8	141.0	136.0	121.8	129.0	168.4	174.1	190.9	-9999.0
142	Norwegian Sea	228.4	244.0	262.3	260.1	263.4	248.4	245.7	263.4	280.3	269.4	250.8	250.7	254.7	242.5	218.6	220.2	231.4	232.5	240.4	248.1	256.0	245.5	252.2	250.1	253.1	255.0	280.2	280.1	246.7	241.7	-9999.0
144	Barents Sea	247.0	236.4	240.8	225.0	241.6	215.7	191.8	208.3	235.4	224.1	255.7	249.7	225.0	240.4	240.6	238.3	244.0	248.9	257.2	238.5	242.0	249.0	249.5	255.8	271.5	265.2	225.6	213.0	202.6	203.1	-9999.0
146	Kara Sea	186.3	214.0	236.1	244.1	234.5	232.1	234.3	228.5	208.8	217.0	214.7	208.0	217.0	229.7	232.7	227.4	229.5	222.0	202.7	201.7	210.7	212.4	220.8	225.2	233.0	250.2	250.8	245.8	237.3	231.7	-9999.0
148	Laptev Sea	179.5	189.1	209.3	211.8	211.1	208.7	203.6	209.9	215.9	189.6	182.6	187.9	190.6	192.1	208.9	222.3	208.6	205.1	198.3	196.0	182.0	177.5	192.8	194.1	194.7	188.1	195.2	203.2	204.1	212.3	-9999.0
150	East Siberian Sea	158.2	163.2	166.1	159.5	162.6	163.7	174.7	182.3	179.9	179.1	189.3	176.0	172.0	170.1	178.4	179.6	197.1	195.1	207.1	212.6	236.7	242.9	241.9	232.2	222.3	208.8	199.0	196.7	204.6	207.0	-9999.0
152	Gulf of Alaska	248.0	240.4	231.1	226.1	236.5	248.3	257.8	260.3	267.2	263.6	247.7	235.8	224.5	237.0	241.7	260.1	256.3	236.4	237.0	234.7	233.5	231.1	227.8	241.4	254.5	257.6	258.2	238.0	234.7	249.5	-9999.0
154	Southeast Bering Sea	238.4	243.7	233.7	199.1	254.0	248.9	234.9	257.3	254.5	245.2	252.6	249.8	245.4	255.8	251.1	234.3	238.7	244.4	226.2	237.9	219.9	208.4	210.6	223.9	244.0	242.8	266.4	254.4	282.5	262.5	-9999.0