1974 12 - 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	175.3	178.6	181.7	180.8	182.0	179.5	178.8	185.2	186.3	178.4	182.0	185.7	182.2	178.8	178.8	182.3	183.5	182.7	177.8	174.2	173.8	172.8	172.7	174.4	174.3	177.3	176.9	175.4	174.7	178.3	181.8
34	Hudson Bay	203.8	191.3	198.8	209.3	214.1	218.0	195.2	206.8	233.5	215.4	206.4	206.5	188.1	188.5	195.7	211.1	225.6	222.2	205.3	210.4	218.0	216.9	201.4	193.8	209.1	226.8	220.3	214.5	200.6	202.9	198.6
36	Hudson Strait	207.6	180.8	138.5	147.3	188.4	156.7	168.6	201.4	191.2	201.1	209.9	182.1	210.3	179.5	147.4	165.3	175.4	202.7	191.5	189.6	197.8	180.1	192.2	203.8	193.9	179.1	179.6	157.5	190.1	197.1	150.2
98	Bering Strait	195.5	169.2	170.9	169.8	173.5	199.8	206.2	199.9	197.4	182.9	176.6	201.3	199.7	186.0	183.4	179.2	173.1	171.2	186.0	175.0	160.5	177.0	197.1	197.1	181.1	177.5	162.2	141.7	142.9	146.2	178.6
128	Arctic subocean	100.6	115.7	140.4	143.2	137.9	146.0	125.1	111.5	122.8	130.0	110.8	104.8	89.7	105.9	107.4	104.7	122.4	130.1	139.6	139.6	136.8	126.7	113.5	116.4	126.4	119.9	103.7	107.6	119.2	127.5	120.0
130	Chukchi Sea	137.0	138.4	142.4	134.0	137.9	160.4	150.2	138.3	145.5	118.0	136.9	148.6	182.5	184.5	162.1	158.1	152.3	148.5	138.7	127.2	144.1	138.0	142.3	148.4	154.5	127.6	126.6	119.3	146.3	111.6	112.5
132	Beaufort Sea	227.4	202.4	215.5	213.9	223.0	196.0	217.8	256.3	216.2	203.5	195.3	188.0	188.3	203.8	204.2	215.1	220.7	198.0	203.9	202.6	204.7	179.1	194.7	228.8	228.0	204.1	203.4	180.6	185.3	193.2	202.4
134	Arctic Archipelago	136.3	142.8	150.1	143.9	141.8	143.6	152.5	168.4	178.5	149.6	162.2	150.6	142.8	164.1	160.6	158.8	170.6	193.8	186.9	184.7	162.5	159.9	159.2	148.5	155.9	169.5	162.1	164.8	158.4	153.5	149.9
136	Foxe Basin	130.4	145.2	126.9	137.7	137.5	144.5	126.8	128.3	145.0	139.3	164.0	181.4	174.1	129.1	181.6	158.8	183.1	177.8	164.4	205.8	209.2	189.1	165.8	180.4	160.5	142.5	145.6	155.1	136.5	125.0	144.0
138	Baffin Bay	113.9	105.6	104.3	105.8	99.3	101.8	91.3	87.5	89.5	90.6	114.5	111.6	105.2	83.7	88.8	88.9	101.6	116.9	115.3	117.5	117.4	114.0	107.2	101.2	91.4	82.8	87.2	83.8	92.9	107.8	101.7
139	South Greenland	147.3	130.5	138.0	127.2	124.6	130.6	125.5	126.1	118.8	115.2	139.5	168.2	148.2	129.3	125.8	126.3	114.2	108.8	107.3	107.5	105.7	108.9	115.4	124.7	118.3	120.9	125.8	115.7	113.1	110.4	115.5
140	Greenland Sea	130.7	154.5	160.0	167.4	141.3	116.1	118.5	91.0	74.2	76.4	92.6	93.8	89.5	81.9	77.7	73.9	94.8	119.1	108.4	95.8	125.5	121.0	93.0	90.9	101.3	89.9	79.3	80.2	84.4	102.0	133.1
142	Norwegian Sea	217.7	262.1	260.9	259.2	259.9	244.4	266.3	264.6	268.4	248.3	236.6	228.7	221.2	257.3	259.1	245.5	235.3	245.7	245.3	263.1	276.7	276.6	240.1	271.9	245.6	248.7	231.2	220.5	213.7	196.2	253.8
144	Barents Sea	244.8	241.3	243.2	240.5	238.6	231.4	221.4	222.7	236.7	234.0	249.9	241.6	251.2	244.5	238.4	244.5	241.3	230.9	247.2	247.7	254.1	256.9	259.2	247.0	264.2	268.0	249.2	257.9	241.8	241.5	223.2
146	Kara Sea	174.3	189.3	190.4	183.1	182.5	183.7	186.8	188.8	189.9	186.8	192.1	198.9	197.4	196.9	198.0	202.4	197.1	194.5	187.8	178.6	180.4	174.7	173.4	170.2	168.8	185.8	198.4	202.9	206.2	207.4	206.4
148	Laptev Sea	132.3	153.2	165.8	169.4	164.7	155.1	153.2	160.5	168.5	168.6	168.0	176.4	179.2	165.2	159.0	156.3	154.2	151.0	139.0	135.9	132.1	138.1	138.5	147.3	137.9	135.2	134.2	140.8	145.9	160.3	177.1
150	East Siberian Sea	164.3	195.9	171.5	169.9	169.4	160.9	167.5	165.8	154.5	139.0	135.4	140.0	132.5	129.7	141.4	151.1	147.4	152.8	145.2	141.6	132.6	137.6	145.4	145.8	153.2	142.4	150.2	156.5	143.5	132.1	132.5
152	Gulf of Alaska	221.5	233.0	229.5	218.2	228.4	251.7	265.9	268.5	243.1	224.4	240.5	230.6	227.4	221.9	232.6	208.4	202.3	231.6	248.6	215.5	188.8	234.2	261.1	255.6	220.5	216.2	187.4	178.6	177.1	197.6	242.4
154	Southeast Bering Sea	191.7	175.0	170.0	183.3	251.9	246.7	232.1	219.8	213.9	207.8	243.8	241.1	230.0	224.4	214.3	181.7	178.6	216.8	218.8	197.2	173.6	263.5	248.2	228.8	221.1	198.5	149.5	169.2	162.0	192.2	159.6