1976 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	203.0	200.2	200.4	201.7	204.0	207.9	211.5	212.5	217.2	215.4	210.0	207.0	209.4	207.5	207.7	207.7	212.6	214.6	217.7	218.1	223.2	226.7	226.6	229.0	227.5	230.3	228.9	228.1	229.6	229.9	-9999.0
34	Hudson Bay	242.3	220.8	212.0	216.9	228.5	222.6	222.0	233.3	250.3	227.6	217.0	236.7	255.3	258.3	260.7	245.2	254.9	261.8	262.0	246.5	249.6	252.1	245.3	239.1	234.7	244.7	246.8	246.7	252.1	262.4	-9999.0
36	Hudson Strait	227.1	252.3	216.7	200.7	214.6	230.6	206.5	176.1	193.6	233.0	192.1	192.0	208.4	175.9	221.2	226.0	205.8	179.7	192.1	194.2	174.6	202.2	249.9	267.2	258.4	236.9	234.1	219.3	230.5	241.0	-9999.0
98	Bering Strait	193.1	212.6	199.4	208.5	198.8	186.2	186.6	185.8	221.9	221.8	219.2	207.9	210.2	198.4	186.6	190.1	187.8	191.9	196.6	203.1	209.2	210.6	209.1	215.5	215.9	226.5	238.2	231.6	233.5	230.1	-9999.0
128	Arctic subocean	158.2	144.4	131.4	125.8	127.1	136.7	125.9	124.5	156.9	146.2	127.9	132.0	147.6	145.9	158.6	181.7	168.0	164.0	154.2	155.1	180.0	175.6	180.8	173.7	163.3	150.9	148.7	148.5	150.9	148.6	-9999.0
130	Chukchi Sea	164.5	169.3	176.6	200.0	209.3	172.8	156.8	178.1	200.4	215.9	220.5	219.6	202.7	174.0	171.4	156.9	154.3	158.1	162.2	169.0	185.4	177.8	198.3	177.3	188.8	189.8	187.2	198.6	216.5	237.7	-9999.0
132	Beaufort Sea	190.9	208.3	225.4	225.8	233.5	238.4	246.2	223.4	227.8	247.0	244.5	253.1	243.8	224.5	222.7	215.7	224.7	228.1	236.6	230.7	240.1	239.4	243.5	248.7	256.1	238.3	243.0	243.2	238.4	233.4	-9999.0
134	Arctic Archipelago	186.0	160.6	171.7	172.3	178.3	194.5	209.8	203.4	157.6	178.7	221.6	176.5	200.4	193.8	183.3	180.8	195.9	190.0	194.0	213.9	214.5	193.1	204.6	205.8	211.6	237.7	240.4	227.0	215.1	186.7	-9999.0
136	Foxe Basin	184.4	182.5	150.4	157.5	177.4	168.5	166.0	202.8	191.3	150.1	162.2	215.9	166.7	145.6	197.4	213.9	206.7	190.1	180.8	166.5	183.2	213.8	217.2	215.0	213.0	211.9	228.3	233.7	228.6	214.2	-9999.0
138	Baffin Bay	122.0	120.8	119.7	117.8	110.1	108.6	112.7	110.7	100.9	92.7	105.2	107.9	102.4	107.3	126.2	136.4	142.3	150.7	145.2	157.0	172.5	166.9	144.7	144.1	142.0	134.5	141.0	131.9	146.1	153.9	-9999.0
139	South Greenland	171.0	171.2	177.5	151.9	148.3	170.1	187.5	170.6	148.5	143.4	159.0	151.4	151.1	179.5	154.0	160.0	174.4	176.2	181.9	202.5	188.9	182.7	164.3	197.4	202.1	210.4	192.9	191.1	189.8	199.2	-9999.0
140	Greenland Sea	150.8	134.3	110.7	130.4	141.6	125.4	101.9	103.0	125.8	127.1	105.5	96.1	95.2	116.8	123.5	121.8	133.6	140.8	138.9	166.5	168.8	163.5	134.1	129.8	130.2	130.0	135.4	158.1	153.7	152.2	-9999.0
142	Norwegian Sea	234.3	230.3	213.8	231.6	248.1	243.0	231.2	234.3	284.0	280.6	284.9	245.2	227.2	265.0	268.2	277.5	266.6	237.3	247.2	252.4	253.8	266.7	272.0	256.7	243.4	237.8	224.7	236.0	237.5	237.2	-9999.0
144	Barents Sea	251.8	249.2	243.8	231.9	220.5	239.6	258.4	239.4	213.8	222.2	245.9	250.1	245.6	227.3	230.5	253.6	264.4	275.4	251.9	245.1	235.2	239.6	246.7	250.7	260.0	232.8	214.7	229.4	252.3	250.2	-9999.0
146	Kara Sea	202.2	200.4	205.2	211.1	218.3	228.2	230.1	237.7	237.1	224.7	212.1	211.3	215.1	216.3	214.6	212.5	214.9	217.8	228.8	233.3	240.4	249.2	254.5	255.2	249.2	249.2	243.6	243.1	237.5	236.5	-9999.0
148	Laptev Sea	210.0	209.2	207.0	201.2	195.0	199.0	203.0	210.2	230.6	238.7	220.0	201.8	203.7	203.3	204.3	207.3	212.0	207.5	208.8	202.3	213.9	221.7	219.6	220.1	217.5	232.5	231.7	228.9	235.0	236.7	-9999.0
150	East Siberian Sea	169.2	161.1	173.3	193.1	190.0	186.2	193.1	191.6	195.6	200.0	195.1	181.3	169.6	174.9	180.6	177.7	181.6	186.9	181.9	186.3	191.6	197.2	191.2	200.3	194.7	198.9	199.0	206.5	213.9	214.8	-9999.0
152	Gulf of Alaska	258.2	243.5	241.9	231.4	213.1	206.7	205.5	219.8	263.0	260.4	248.9	236.1	242.1	228.4	194.8	212.0	220.7	229.4	245.9	232.6	227.2	217.2	221.8	230.8	235.4	272.7	273.9	249.0	240.4	238.3	-9999.0
154	Southeast Bering Sea	222.6	239.5	239.2	230.7	208.8	190.6	210.3	252.1	251.2	261.2	235.2	229.8	188.3	167.1	212.9	261.3	225.7	235.1	225.0	211.1	235.2	240.8	220.8	216.9	211.6	233.2	256.3	223.6	235.6	240.6	-9999.0