1964 02 - 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	174.4	176.1	177.6	180.9	183.2	186.1	184.0	177.1	171.2	177.7	178.0	175.6	169.7	167.2	167.2	169.9	173.2	174.7	175.7	180.1	182.6	184.3	182.3	181.7	179.0	177.6	182.0	182.5	175.9	-9999.0	-9999.0
34	Hudson Bay	189.1	178.7	212.3	232.4	225.7	193.5	191.8	188.3	177.8	190.5	220.9	211.3	187.9	180.4	181.9	188.9	196.9	188.4	184.8	181.3	190.3	185.2	170.0	172.8	163.5	155.0	172.8	178.9	191.7	-9999.0	-9999.0
36	Hudson Strait	143.6	143.8	141.2	173.5	212.4	228.0	191.0	213.0	211.9	203.1	168.3	197.1	177.8	167.0	144.3	155.0	148.3	131.0	164.0	197.8	220.2	191.8	138.0	136.9	127.0	149.2	140.3	153.9	134.1	-9999.0	-9999.0
98	Bering Strait	203.7	218.8	199.0	165.0	191.4	223.9	209.1	191.7	164.8	166.0	149.2	175.3	169.4	172.2	170.3	158.2	142.2	155.4	165.1	204.7	195.6	216.3	199.5	207.3	223.3	209.0	208.5	200.4	175.3	-9999.0	-9999.0
128	Arctic subocean	91.1	86.1	78.4	82.8	93.6	112.6	129.7	141.8	142.9	147.9	140.8	174.4	159.2	153.3	144.4	149.7	127.2	136.7	132.0	129.0	109.8	100.0	106.3	105.3	126.1	145.7	148.2	176.3	133.6	-9999.0	-9999.0
130	Chukchi Sea	152.9	180.0	173.7	141.4	142.7	175.7	188.4	194.9	165.3	164.8	136.6	123.7	121.8	121.8	121.6	122.2	116.7	119.4	119.7	127.4	134.1	150.9	184.9	203.5	221.5	169.1	174.1	186.5	169.6	-9999.0	-9999.0
132	Beaufort Sea	195.9	225.7	224.1	204.3	186.8	218.5	226.2	206.5	200.2	223.4	199.1	188.2	188.1	190.1	200.1	196.1	176.9	174.5	179.7	207.9	219.8	206.1	220.5	203.1	192.2	203.5	200.8	200.3	173.0	-9999.0	-9999.0
134	Arctic Archipelago	132.1	163.4	175.0	171.9	135.6	131.5	141.5	165.4	172.5	173.1	166.2	162.5	145.4	140.5	144.3	145.6	135.6	139.6	142.1	143.1	124.6	116.6	131.6	121.3	137.4	142.6	133.9	135.8	133.2	-9999.0	-9999.0
136	Foxe Basin	155.0	136.4	187.7	194.3	219.8	218.7	191.4	181.6	180.8	188.8	219.7	190.7	186.9	183.5	169.8	160.5	153.1	143.7	150.3	150.1	163.9	150.1	165.0	169.0	126.6	118.3	125.8	131.2	151.8	-9999.0	-9999.0
138	Baffin Bay	94.7	84.2	90.7	126.3	133.2	143.4	161.6	159.5	147.0	178.6	179.9	175.0	155.8	150.0	146.3	121.6	131.9	164.7	121.6	98.9	107.8	127.3	141.6	159.9	164.0	143.9	154.9	159.9	133.0	-9999.0	-9999.0
139	South Greenland	112.4	110.0	114.1	136.4	173.5	219.9	193.1	179.6	193.0	202.5	198.9	180.3	177.0	161.7	167.4	161.5	190.5	179.2	172.7	167.2	176.5	197.8	207.7	183.6	182.4	171.1	187.8	170.9	170.6	-9999.0	-9999.0
140	Greenland Sea	95.1	89.7	99.2	88.3	114.5	129.7	160.9	137.9	126.1	149.9	168.4	162.0	147.7	150.8	159.7	120.0	124.5	154.4	127.6	105.5	88.0	103.2	128.5	135.7	135.7	139.2	147.6	165.5	130.8	-9999.0	-9999.0
142	Norwegian Sea	236.8	230.8	271.3	239.3	220.6	218.4	275.2	273.9	266.8	249.9	220.1	220.9	263.8	249.4	221.1	198.0	194.7	230.1	222.7	256.9	233.4	243.9	225.9	223.7	237.1	276.7	269.0	245.0	243.9	-9999.0	-9999.0
144	Barents Sea	248.0	229.9	213.4	232.1	226.5	234.2	221.4	203.4	189.3	190.6	193.0	201.0	202.0	197.4	207.7	218.5	208.1	195.4	212.7	215.8	216.8	209.2	199.5	220.2	213.5	209.9	216.7	207.6	188.9	-9999.0	-9999.0
146	Kara Sea	177.4	176.3	170.2	169.3	170.2	173.8	181.2	167.1	156.7	156.4	159.4	155.5	154.6	156.3	160.6	169.1	177.4	179.6	180.2	177.4	180.0	186.7	187.7	190.8	190.1	189.9	190.9	184.9	184.4	-9999.0	-9999.0
148	Laptev Sea	161.8	155.5	164.4	177.9	174.5	164.2	155.7	159.1	160.5	171.6	167.4	170.9	171.0	160.8	154.9	170.6	179.0	182.3	181.5	180.7	186.5	184.2	170.8	164.3	160.1	163.0	170.2	183.6	175.3	-9999.0	-9999.0
150	East Siberian Sea	176.9	192.5	177.4	183.1	185.6	168.6	144.2	171.1	189.0	185.5	160.7	150.3	157.9	171.4	147.9	142.7	158.2	160.8	163.6	180.4	178.4	176.1	190.1	183.1	167.2	165.1	164.0	172.0	171.9	-9999.0	-9999.0
152	Gulf of Alaska	264.0	266.7	230.5	192.9	246.7	276.1	253.5	201.3	191.2	170.8	219.2	235.2	210.4	221.4	187.3	175.3	188.9	214.0	250.8	277.9	245.4	267.0	225.6	243.3	256.7	252.1	252.5	219.2	209.9	-9999.0	-9999.0
154	Southeast Bering Sea	258.4	271.1	181.7	150.3	268.8	274.4	238.6	162.3	149.5	139.6	177.5	167.8	139.4	137.2	154.1	138.3	134.2	148.5	188.5	240.3	228.7	254.2	248.4	249.6	235.8	251.1	238.0	224.6	231.3	-9999.0	-9999.0