1959 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	202.0	194.8	194.6	194.6	191.8	192.6	197.1	201.2	202.8	203.6	205.4	209.3	214.1	214.7	214.5	212.7	210.5	211.7	209.3	215.1	220.5	220.6	218.0	216.3	216.9	221.3	227.3	226.0	221.7	219.8	-9999.0
34	Hudson Bay	230.7	229.1	211.3	214.4	216.3	230.8	232.2	208.2	199.5	203.5	210.4	223.1	241.3	239.0	234.7	220.9	217.2	222.7	218.2	232.0	240.0	236.2	224.7	213.7	214.9	217.8	230.8	244.4	248.3	246.7	-9999.0
36	Hudson Strait	228.0	193.2	220.4	183.9	164.7	165.4	203.7	226.3	181.0	153.9	166.7	184.5	195.6	198.2	207.3	198.4	197.1	203.3	220.8	225.1	227.9	231.3	232.0	256.0	196.9	243.3	231.5	222.8	233.6	260.9	-9999.0
98	Bering Strait	186.6	196.1	201.4	205.1	190.9	187.6	212.1	251.0	243.7	216.2	204.2	195.7	208.6	203.1	187.7	200.5	175.8	170.6	166.4	176.8	192.1	201.3	218.8	237.0	226.6	217.2	222.2	212.8	207.9	214.7	-9999.0
128	Arctic subocean	148.5	158.6	126.3	133.8	147.2	158.4	168.0	151.0	130.8	130.2	143.2	147.4	145.2	145.8	158.6	157.9	159.8	153.6	145.8	149.9	137.0	124.1	128.9	152.5	164.0	164.1	160.4	145.2	161.1	154.6	-9999.0
130	Chukchi Sea	178.1	164.4	157.9	168.5	173.1	152.7	149.4	169.7	189.9	198.8	205.2	198.5	177.2	166.3	152.1	145.2	143.3	152.2	153.8	158.3	179.1	215.0	245.1	237.5	218.1	207.1	207.8	218.7	225.9	244.2	-9999.0
132	Beaufort Sea	218.3	202.7	221.1	216.4	208.2	209.4	197.4	225.4	232.7	225.4	231.6	241.5	238.8	226.5	212.8	218.3	238.9	238.6	225.1	207.5	204.0	198.9	198.0	197.3	208.0	214.2	223.2	223.1	216.9	211.9	-9999.0
134	Arctic Archipelago	152.7	146.3	153.4	177.0	160.3	149.4	156.7	163.5	184.8	222.0	213.7	188.6	191.3	188.2	196.8	181.0	200.8	211.6	218.1	216.2	186.6	162.0	168.7	170.8	175.5	187.7	178.7	183.8	186.5	184.6	-9999.0
136	Foxe Basin	185.2	182.5	168.3	174.1	165.5	142.3	161.7	154.4	155.6	153.2	190.1	210.3	186.5	174.3	188.7	180.4	174.6	174.7	189.1	184.9	177.4	173.3	177.8	216.9	226.4	175.1	215.4	198.0	190.8	175.1	-9999.0
138	Baffin Bay	124.9	121.0	111.7	107.4	106.7	108.0	116.8	110.2	120.7	145.3	162.9	172.8	175.8	179.8	160.2	134.7	145.1	148.0	136.4	142.6	149.3	135.5	117.0	118.7	138.4	171.2	156.1	178.8	195.8	169.0	-9999.0
139	South Greenland	154.3	144.6	144.1	166.0	156.9	151.2	146.9	155.4	199.0	219.5	207.2	196.3	186.5	182.7	183.7	174.4	181.8	196.8	206.2	213.7	214.4	208.5	185.8	182.4	180.5	185.7	185.0	196.8	176.2	171.3	-9999.0
140	Greenland Sea	195.6	162.4	123.1	140.4	120.3	145.1	150.8	125.9	137.3	168.4	156.7	141.1	143.1	138.4	152.3	135.1	133.0	141.9	127.2	119.7	132.7	147.4	144.2	139.5	134.0	144.4	172.3	151.5	155.4	150.6	-9999.0
142	Norwegian Sea	278.1	248.5	284.4	259.9	252.8	260.1	246.0	244.8	239.1	224.4	228.7	219.5	240.7	265.3	259.5	277.5	261.1	232.5	226.0	245.7	238.5	244.4	256.4	283.4	299.3	298.6	291.0	287.0	284.6	282.5	-9999.0
144	Barents Sea	237.3	227.8	207.8	191.8	187.4	183.7	177.4	184.1	199.7	194.0	207.7	228.5	238.3	228.6	245.8	242.3	246.2	258.2	235.9	238.2	228.2	212.5	214.5	221.2	228.8	252.2	278.2	255.7	260.9	266.8	-9999.0
146	Kara Sea	206.3	204.5	216.1	213.6	214.1	207.5	208.6	214.6	213.9	216.0	213.0	223.3	233.9	242.6	244.9	239.5	224.9	215.4	217.5	234.0	247.7	255.3	254.3	238.1	237.8	242.2	245.4	242.6	232.9	233.3	-9999.0
148	Laptev Sea	207.9	182.0	172.4	180.4	182.3	180.7	181.5	181.2	187.3	188.5	192.9	195.6	190.8	193.5	197.5	212.1	214.3	219.2	219.4	217.6	216.7	212.0	210.7	228.0	226.8	220.9	222.2	219.3	214.7	201.4	-9999.0
150	East Siberian Sea	169.8	177.9	189.2	168.8	174.0	199.0	240.1	241.7	209.1	182.1	194.5	180.6	173.6	176.1	171.5	178.0	186.0	202.6	196.7	197.0	218.7	237.7	221.7	208.7	219.9	231.7	252.5	240.1	222.8	235.1	-9999.0
152	Gulf of Alaska	220.4	243.8	232.5	228.0	211.8	216.5	253.4	275.7	261.4	247.2	238.7	226.9	226.2	223.9	233.4	255.2	236.6	208.8	211.9	228.4	225.8	234.0	250.7	266.7	255.5	242.6	238.4	221.6	202.4	203.0	-9999.0
154	Southeast Bering Sea	203.1	235.1	224.0	182.8	187.4	200.7	211.5	248.8	247.9	242.1	219.6	191.8	208.7	236.6	225.4	254.6	210.8	199.1	197.5	200.0	257.8	268.4	262.5	250.2	243.7	218.2	213.6	216.5	216.2	216.9	-9999.0