1968 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	167.7	166.1	168.1	171.2	175.1	177.5	179.2	180.0	182.2	177.4	174.2	176.3	175.3	173.8	171.4	171.3	169.5	172.4	177.8	178.8	180.7	180.1	184.1	183.6	186.4	187.9	193.0	197.4	196.5	-9999.0	-9999.0
34	Hudson Bay	178.8	183.2	201.9	197.9	210.4	189.2	188.1	180.9	179.8	180.9	185.6	193.5	192.1	188.0	182.1	168.5	156.1	159.6	167.5	159.7	164.6	174.1	178.7	194.1	205.0	206.9	198.0	204.2	206.9	-9999.0	-9999.0
36	Hudson Strait	148.0	119.5	156.5	191.7	178.6	229.2	212.6	147.1	146.5	211.0	232.7	219.6	213.2	197.4	204.6	223.7	203.7	171.0	194.4	201.6	226.3	187.7	214.3	202.3	188.3	168.1	162.6	168.1	177.1	-9999.0	-9999.0
98	Bering Strait	156.7	157.8	138.5	134.8	138.7	155.0	198.6	225.8	230.1	223.0	201.7	204.6	210.3	232.1	225.3	209.4	190.9	173.5	177.5	187.3	188.3	181.7	179.0	174.3	184.1	205.2	239.8	240.7	220.6	-9999.0	-9999.0
128	Arctic subocean	107.2	111.0	117.9	107.7	109.1	112.7	108.8	122.0	132.6	121.6	125.3	135.0	130.3	117.0	116.3	110.2	133.7	130.3	148.3	167.8	179.8	144.1	139.5	138.0	125.2	116.1	113.8	114.2	130.0	-9999.0	-9999.0
130	Chukchi Sea	203.3	154.6	132.5	143.4	144.7	134.7	128.0	158.3	168.6	192.2	156.4	187.4	219.5	247.5	204.7	188.4	155.8	152.4	143.3	139.0	128.1	114.1	113.0	118.7	134.5	163.6	161.2	205.9	154.6	-9999.0	-9999.0
132	Beaufort Sea	144.8	137.8	126.3	154.9	157.3	184.4	201.3	226.8	238.0	233.2	223.7	210.9	203.2	201.2	185.8	169.7	159.3	163.6	154.6	170.1	196.9	208.1	217.8	210.0	204.7	217.5	246.9	245.5	237.6	-9999.0	-9999.0
134	Arctic Archipelago	119.1	118.7	119.9	105.3	121.3	114.3	112.1	127.3	162.3	182.7	184.9	185.1	185.4	159.3	136.5	127.2	128.7	143.6	142.2	139.5	153.7	173.8	182.5	172.7	165.3	150.2	151.0	188.8	178.3	-9999.0	-9999.0
136	Foxe Basin	143.9	126.1	137.5	165.4	130.3	168.0	161.2	142.0	125.7	127.7	147.0	150.4	135.4	143.4	136.0	176.6	210.6	217.5	194.8	182.1	178.5	170.0	165.4	186.7	165.5	130.8	129.1	171.3	152.0	-9999.0	-9999.0
138	Baffin Bay	89.5	91.4	89.7	89.9	110.1	105.7	118.0	146.6	159.3	123.4	101.3	92.8	91.8	84.5	101.2	122.3	139.3	160.4	187.6	194.9	185.7	140.4	150.4	154.7	130.8	111.7	102.6	97.4	88.4	-9999.0	-9999.0
139	South Greenland	116.7	115.5	109.6	120.4	155.6	150.2	195.4	198.4	184.1	159.5	160.3	173.0	152.5	157.6	190.3	198.0	186.8	189.3	176.7	177.3	169.6	166.5	180.0	162.2	167.0	173.6	150.0	145.1	137.4	-9999.0	-9999.0
140	Greenland Sea	85.8	83.1	87.2	83.1	85.8	89.2	100.4	139.1	153.9	111.5	89.5	99.9	95.8	104.7	123.1	132.2	134.4	136.0	152.2	153.0	158.0	135.3	133.9	129.6	120.8	118.7	115.5	123.9	120.1	-9999.0	-9999.0
142	Norwegian Sea	236.7	220.0	211.1	200.0	205.6	212.9	237.6	246.7	233.5	238.8	245.9	254.8	238.9	228.4	212.4	212.3	215.2	218.6	219.3	225.6	205.3	209.9	221.2	213.1	264.3	266.6	266.8	280.4	255.7	-9999.0	-9999.0
144	Barents Sea	226.3	250.6	233.5	215.3	211.9	216.2	181.6	185.3	211.3	208.3	208.2	207.9	207.3	217.7	206.5	204.2	219.9	199.1	211.4	206.2	200.8	193.7	205.0	200.7	201.9	207.2	201.1	198.7	214.9	-9999.0	-9999.0
146	Kara Sea	175.1	175.3	186.5	194.9	193.1	195.6	189.5	179.2	177.2	172.4	169.9	175.7	173.7	165.0	165.4	170.7	174.6	178.7	189.1	193.2	190.4	187.9	187.1	188.1	195.5	197.8	206.3	210.8	208.1	-9999.0	-9999.0
148	Laptev Sea	184.0	177.9	178.0	178.9	179.1	174.6	164.5	160.3	158.4	153.7	149.6	144.4	151.4	150.0	148.2	147.6	149.7	159.2	167.7	166.9	169.9	177.9	186.0	181.6	179.2	173.7	175.0	174.6	190.8	-9999.0	-9999.0
150	East Siberian Sea	230.5	208.6	194.2	184.1	181.4	185.7	172.1	162.2	146.7	128.2	134.8	142.1	140.7	162.2	167.5	202.3	197.5	199.8	193.3	180.3	165.7	162.7	150.3	155.4	156.8	154.2	171.1	178.5	173.8	-9999.0	-9999.0
152	Gulf of Alaska	131.6	134.8	142.0	151.1	166.3	226.7	279.9	275.7	284.4	279.9	250.2	240.4	240.0	246.8	236.1	221.2	226.7	239.1	247.6	261.4	265.4	259.3	252.8	239.3	243.2	277.5	296.6	286.7	281.3	-9999.0	-9999.0
154	Southeast Bering Sea	149.2	188.0	151.1	131.7	121.8	141.2	238.3	262.8	240.4	226.6	228.9	243.2	263.5	257.0	228.2	211.1	184.8	211.7	196.2	171.1	159.6	144.5	161.8	175.9	242.4	255.4	288.1	270.2	261.5	-9999.0	-9999.0