1963 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	173.2	172.6	175.9	180.4	186.4	185.1	186.6	188.5	189.2	181.5	179.0	175.3	170.0	167.0	169.2	176.3	172.2	175.4	175.0	180.2	181.6	178.3	182.3	188.4	182.6	180.1	178.4	176.1	-9999.0	-9999.0	-9999.0
34	Hudson Bay	175.3	154.9	163.5	176.2	205.9	206.3	208.0	210.1	204.9	192.1	204.2	207.2	186.5	161.5	161.5	180.9	177.6	158.6	157.0	158.4	163.0	169.6	166.1	166.0	163.6	179.3	179.0	175.6	-9999.0	-9999.0	-9999.0
36	Hudson Strait	139.1	159.4	244.2	200.0	175.5	141.8	187.2	207.1	214.3	248.4	217.8	197.0	201.0	215.0	222.6	175.6	123.5	143.9	144.8	137.9	152.7	195.4	200.8	191.2	143.4	133.2	150.2	158.3	-9999.0	-9999.0	-9999.0
98	Bering Strait	182.0	149.3	148.3	154.4	150.3	160.3	190.4	210.5	206.7	189.6	182.2	180.4	189.9	190.4	191.9	191.0	191.5	192.2	210.9	203.3	207.2	204.8	221.5	220.8	228.4	217.1	199.1	190.9	-9999.0	-9999.0	-9999.0
128	Arctic subocean	130.3	135.7	146.5	188.8	232.9	162.0	141.8	161.6	165.4	167.1	144.4	107.1	100.5	105.8	109.3	114.9	131.1	114.6	108.0	121.6	122.3	124.5	115.9	124.9	118.6	136.9	127.7	119.0	-9999.0	-9999.0	-9999.0
130	Chukchi Sea	174.0	162.0	197.6	159.2	148.5	132.5	125.7	141.4	146.8	135.4	149.7	162.6	150.8	144.5	147.6	165.4	167.1	169.3	196.0	184.8	175.5	160.7	149.2	169.4	225.8	217.4	187.9	194.1	-9999.0	-9999.0	-9999.0
132	Beaufort Sea	134.5	135.9	157.9	175.0	186.9	207.9	230.9	230.7	241.5	222.3	198.1	183.4	181.4	197.2	202.2	177.3	158.5	173.5	160.6	168.0	187.0	198.6	216.9	212.3	204.3	216.8	209.4	214.3	-9999.0	-9999.0	-9999.0
134	Arctic Archipelago	129.9	148.9	162.7	175.8	145.9	154.6	168.0	194.3	212.7	210.2	200.4	140.9	134.9	124.9	131.8	141.1	136.7	142.7	135.2	133.2	128.9	130.6	131.8	150.9	160.7	139.3	142.0	132.7	-9999.0	-9999.0	-9999.0
136	Foxe Basin	144.7	166.2	239.2	249.6	239.0	198.9	204.7	194.7	162.7	173.3	184.6	191.0	169.9	145.9	140.3	162.4	161.8	155.5	193.0	207.0	182.6	155.0	173.3	142.2	129.0	158.2	148.8	135.5	-9999.0	-9999.0	-9999.0
138	Baffin Bay	141.5	151.3	160.3	209.8	212.8	165.6	156.7	142.8	144.1	146.1	160.7	143.7	145.7	131.6	124.5	123.9	137.9	140.4	144.9	137.2	131.2	114.2	102.5	121.7	106.6	103.9	96.0	96.4	-9999.0	-9999.0	-9999.0
139	South Greenland	183.0	191.6	166.0	168.5	159.8	164.0	149.1	146.6	160.0	144.2	151.9	154.7	145.8	142.6	141.5	175.5	180.4	170.7	182.5	170.0	142.9	150.6	159.5	164.6	141.1	127.7	123.7	147.7	-9999.0	-9999.0	-9999.0
140	Greenland Sea	153.4	128.3	120.0	144.1	184.5	172.5	148.9	139.5	122.2	122.2	123.6	111.5	105.6	101.8	94.0	106.1	113.6	121.5	116.1	125.2	101.4	80.3	86.0	104.9	122.7	98.1	94.0	98.6	-9999.0	-9999.0	-9999.0
142	Norwegian Sea	206.6	237.5	210.8	185.9	220.6	208.2	195.2	208.1	222.8	215.4	250.4	237.4	216.1	221.2	221.9	202.3	196.0	219.4	233.5	231.9	201.0	228.4	229.3	236.2	234.3	257.5	244.8	254.4	-9999.0	-9999.0	-9999.0
144	Barents Sea	195.3	200.8	202.0	209.2	231.6	223.3	215.3	219.6	205.2	167.3	189.5	203.3	190.3	182.7	186.4	199.2	174.9	195.4	188.2	188.2	176.0	187.4	171.2	180.2	168.3	170.6	183.8	212.1	-9999.0	-9999.0	-9999.0
146	Kara Sea	191.2	203.1	196.8	188.3	189.5	194.9	198.6	192.3	194.1	188.9	174.2	172.7	176.5	172.6	179.5	188.2	189.4	197.1	208.2	222.4	219.6	201.1	204.6	217.4	207.4	190.7	196.4	199.0	-9999.0	-9999.0	-9999.0
148	Laptev Sea	166.5	155.2	157.8	163.9	176.4	166.7	155.5	156.4	156.2	159.1	163.9	166.0	149.4	155.6	155.1	169.8	164.9	169.7	150.3	159.5	174.8	164.0	172.2	173.5	180.0	197.6	182.0	148.4	-9999.0	-9999.0	-9999.0
150	East Siberian Sea	187.4	206.8	203.8	204.4	184.6	171.2	147.0	139.1	142.4	148.0	156.9	162.9	165.0	167.0	157.9	162.5	155.9	154.2	152.3	163.4	165.9	180.2	180.2	183.9	158.7	140.4	152.4	156.5	-9999.0	-9999.0	-9999.0
152	Gulf of Alaska	210.0	176.8	156.8	165.8	167.2	200.1	246.9	277.7	247.9	217.9	202.8	221.9	248.8	275.1	277.6	258.2	238.3	248.9	222.7	221.6	256.4	262.4	282.6	267.8	270.8	249.5	237.3	225.4	-9999.0	-9999.0	-9999.0
154	Southeast Bering Sea	205.2	164.8	154.4	158.3	150.1	139.3	139.8	215.6	226.1	204.8	200.8	190.6	182.9	190.8	214.2	195.4	238.8	250.1	225.8	206.3	200.5	213.3	224.2	284.1	234.0	228.6	234.0	217.0	-9999.0	-9999.0	-9999.0