1967 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	164.0	163.7	165.0	161.6	156.8	157.7	164.7	168.0	167.6	165.3	160.8	164.1	167.8	167.8	168.8	170.8	171.8	171.2	172.8	177.5	177.0	170.3	169.2	171.1	175.2	177.2	178.1	176.2	-9999.0	-9999.0	-9999.0
34	Hudson Bay	178.4	171.8	208.0	195.2	162.5	160.3	164.6	166.6	180.0	180.0	146.0	156.2	173.0	164.8	144.5	143.8	143.8	149.5	157.3	166.4	182.1	169.6	164.9	167.5	184.6	209.5	206.7	194.9	-9999.0	-9999.0	-9999.0
36	Hudson Strait	179.2	156.2	109.0	171.0	186.6	149.7	144.2	141.2	118.9	139.2	145.6	147.9	150.1	126.9	166.1	133.1	130.9	140.7	154.9	160.3	136.8	118.8	132.1	171.9	172.2	148.2	155.1	142.3	-9999.0	-9999.0	-9999.0
98	Bering Strait	160.8	166.0	166.3	176.2	192.2	189.8	216.2	204.9	187.0	172.1	166.5	168.6	153.8	145.7	143.5	154.9	198.0	196.0	205.1	194.7	203.5	198.3	199.0	182.0	181.2	170.7	184.8	190.6	-9999.0	-9999.0	-9999.0
128	Arctic subocean	107.2	103.1	100.0	106.9	104.3	105.1	105.2	120.8	136.4	141.7	135.2	115.9	116.2	108.4	116.2	138.3	135.6	121.6	121.4	119.3	132.7	150.8	150.0	133.7	120.3	110.2	108.9	118.2	-9999.0	-9999.0	-9999.0
130	Chukchi Sea	141.7	134.8	143.1	167.5	163.0	164.3	183.6	194.7	197.9	190.9	158.2	132.5	130.2	128.8	129.9	142.7	193.7	210.1	212.4	212.2	229.1	196.4	154.5	156.1	164.8	175.7	178.3	177.3	-9999.0	-9999.0	-9999.0
132	Beaufort Sea	175.9	197.8	182.1	164.7	169.3	182.0	194.0	212.5	192.4	165.3	162.3	163.5	153.1	144.1	147.7	164.1	154.1	173.4	179.4	210.3	190.0	182.9	184.2	205.5	216.8	199.5	197.4	213.3	-9999.0	-9999.0	-9999.0
134	Arctic Archipelago	109.4	118.9	122.6	133.5	132.5	113.1	108.6	121.9	115.1	124.9	137.9	133.9	122.9	128.3	143.6	135.9	136.6	128.3	132.5	150.4	152.9	148.9	157.4	157.6	152.0	141.0	136.0	168.1	-9999.0	-9999.0	-9999.0
136	Foxe Basin	130.6	130.2	116.1	108.1	126.1	139.3	136.8	132.7	128.2	140.6	146.6	135.4	134.8	135.8	139.3	136.0	148.6	134.8	147.6	158.0	163.7	156.1	152.1	162.7	162.2	160.9	146.1	140.8	-9999.0	-9999.0	-9999.0
138	Baffin Bay	123.6	98.6	110.0	109.0	94.1	107.2	111.3	141.6	119.4	130.6	112.2	92.2	88.7	110.3	146.1	151.8	131.5	127.0	127.9	137.6	128.8	118.4	118.4	122.0	112.5	100.4	91.2	99.2	-9999.0	-9999.0	-9999.0
139	South Greenland	189.8	168.5	160.5	142.4	137.5	152.1	187.6	165.3	156.9	129.3	120.8	122.1	162.7	189.6	195.0	179.6	175.5	162.0	173.5	173.4	148.3	131.3	124.0	128.1	129.5	127.7	122.9	107.4	-9999.0	-9999.0	-9999.0
140	Greenland Sea	136.7	141.9	119.5	122.8	136.4	129.7	115.7	156.5	144.5	132.8	112.5	90.8	87.7	117.0	152.7	150.8	129.6	122.4	133.8	118.0	107.2	102.7	100.6	96.6	87.7	90.3	107.4	101.3	-9999.0	-9999.0	-9999.0
142	Norwegian Sea	226.1	224.9	245.8	244.9	264.7	241.1	237.1	230.9	251.7	273.4	257.9	249.5	235.8	246.1	231.5	223.0	222.9	245.7	251.3	245.7	264.8	249.5	247.8	231.9	229.4	253.0	257.7	264.1	-9999.0	-9999.0	-9999.0
144	Barents Sea	185.2	197.0	186.5	206.9	206.5	203.4	220.5	219.3	213.3	194.5	189.9	198.5	216.0	200.5	224.4	209.7	215.6	205.5	200.9	220.1	232.4	221.9	215.7	204.8	212.2	202.6	213.9	220.9	-9999.0	-9999.0	-9999.0
146	Kara Sea	171.4	168.3	169.4	166.2	160.9	155.3	158.7	163.2	172.4	180.7	186.7	189.9	191.1	192.4	186.9	190.4	187.5	190.1	189.1	181.1	185.0	187.2	181.9	176.1	182.3	192.8	191.9	181.7	-9999.0	-9999.0	-9999.0
148	Laptev Sea	135.7	137.9	134.7	127.7	124.5	141.1	146.0	143.7	149.6	152.6	156.4	166.0	172.3	174.7	176.4	175.9	173.6	166.7	160.0	175.4	159.6	149.6	150.4	159.1	161.4	169.1	171.3	166.1	-9999.0	-9999.0	-9999.0
150	East Siberian Sea	190.3	184.2	161.7	152.8	147.1	143.5	144.5	141.2	138.9	136.4	133.0	154.2	158.0	156.8	154.9	160.0	176.1	151.3	147.8	136.9	148.2	141.8	171.9	196.5	183.4	154.5	151.3	154.2	-9999.0	-9999.0	-9999.0
152	Gulf of Alaska	202.0	209.0	221.5	220.1	226.3	234.5	264.2	261.5	219.6	198.0	192.8	193.4	172.5	176.3	167.5	190.6	223.6	224.1	228.8	206.9	235.4	242.8	234.7	199.7	201.5	197.8	226.7	219.8	-9999.0	-9999.0	-9999.0
154	Southeast Bering Sea	149.9	180.7	254.4	208.2	240.9	251.0	241.6	235.3	222.7	200.2	193.4	162.8	148.2	152.9	167.6	237.8	225.4	252.4	234.9	257.2	246.9	200.7	185.6	155.5	150.0	157.4	173.1	208.3	-9999.0	-9999.0	-9999.0