1956 01 - 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	169.8	169.8	168.4	168.4	176.8	179.2	181.5	182.3	188.1	184.5	181.4	178.2	171.1	169.3	162.3	162.7	163.4	170.9	176.7	176.2	177.2	175.1	181.4	186.4	182.3	175.9	173.7	172.7	169.8	164.4	176.2
34	Hudson Bay	193.8	203.6	196.7	194.1	199.7	170.8	183.6	197.8	214.8	217.1	208.6	196.1	189.2	195.9	176.5	169.8	171.7	175.4	184.0	183.4	191.5	185.8	191.9	198.7	203.7	200.3	187.5	198.4	195.4	171.3	173.7
36	Hudson Strait	145.3	143.7	145.9	144.1	203.2	183.1	147.1	154.9	232.6	228.4	238.8	212.1	164.0	164.0	146.7	141.9	165.0	175.0	191.8	223.4	228.9	210.5	208.3	190.0	177.6	160.8	154.6	179.6	178.9	134.1	132.8
98	Bering Strait	177.4	173.3	177.8	168.1	166.8	188.4	191.6	172.4	173.4	179.6	191.2	199.9	182.8	197.7	189.4	178.3	169.2	182.4	173.8	176.4	162.4	173.8	184.6	180.6	174.6	171.4	175.5	175.2	181.7	193.7	208.9
128	Arctic subocean	112.4	120.6	137.3	132.1	154.9	144.3	121.8	127.4	124.0	118.2	110.9	103.3	101.3	148.1	144.7	128.2	116.7	107.5	106.6	102.9	108.6	107.8	113.1	114.7	122.1	119.9	111.6	98.5	141.7	149.3	133.9
130	Chukchi Sea	140.6	181.5	140.0	140.6	207.1	243.9	179.7	149.4	157.9	216.0	247.5	228.4	200.0	193.9	204.6	146.8	155.4	136.5	145.0	138.8	125.6	122.5	129.9	138.3	183.6	215.7	176.0	185.8	185.8	177.2	160.4
132	Beaufort Sea	178.4	175.6	161.0	157.6	150.6	165.6	179.1	173.9	165.7	164.4	171.1	179.4	174.5	162.8	155.2	163.2	169.8	205.4	206.7	205.5	179.1	186.7	190.2	195.1	191.9	183.6	178.7	167.3	159.1	161.7	178.6
134	Arctic Archipelago	122.8	119.6	144.9	143.5	149.1	146.9	150.6	165.2	171.4	162.1	158.5	148.7	143.1	146.8	150.8	165.0	163.6	169.5	190.0	171.6	182.6	156.1	170.9	187.2	184.3	158.5	181.4	179.0	144.5	152.9	177.6
136	Foxe Basin	144.2	130.1	124.5	138.8	158.1	168.1	159.8	165.8	216.2	187.4	240.9	214.4	166.3	164.9	157.5	141.2	148.1	167.1	191.4	180.8	178.6	183.8	183.8	172.4	197.4	184.0	151.3	169.3	125.0	125.3	142.7
138	Baffin Bay	120.1	99.6	87.5	90.5	110.0	107.0	112.9	123.6	117.9	126.0	143.5	149.7	140.0	117.1	111.2	96.9	98.2	100.5	104.8	120.5	143.1	137.3	148.5	117.6	104.5	117.6	102.0	105.0	122.9	115.1	111.0
139	South Greenland	171.1	146.5	116.0	126.9	123.5	135.6	150.0	150.7	130.5	133.6	139.5	170.1	165.5	140.9	121.4	112.6	121.3	121.8	127.9	130.2	153.6	149.1	148.5	146.3	127.6	125.5	157.1	170.3	152.3	137.7	154.8
140	Greenland Sea	107.9	109.0	124.8	146.1	162.0	137.8	103.1	97.7	89.8	81.1	82.0	91.5	109.6	98.7	90.2	96.7	118.1	122.7	116.9	108.4	100.1	87.8	100.6	99.8	83.7	85.8	100.0	146.9	203.0	155.0	133.6
142	Norwegian Sea	232.4	238.3	272.0	290.6	277.2	257.1	247.2	220.7	242.4	236.8	230.7	258.1	241.7	239.2	228.0	235.7	236.8	223.5	219.0	237.5	221.0	214.0	226.6	219.0	208.8	218.4	213.7	206.9	213.2	201.7	192.4
144	Barents Sea	200.5	194.1	212.3	225.6	232.2	252.4	238.7	227.4	215.6	214.5	203.5	197.2	197.5	210.9	220.1	229.3	229.5	217.8	222.1	227.6	209.9	225.6	225.6	207.2	173.2	163.2	162.0	157.0	164.5	172.8	224.7
146	Kara Sea	171.2	168.5	165.4	168.9	182.9	192.4	201.8	205.8	209.3	201.7	190.2	186.2	181.2	173.2	168.9	163.6	160.9	173.2	183.4	178.8	181.3	180.8	197.5	218.0	212.8	208.0	205.5	196.1	185.5	187.7	196.0
148	Laptev Sea	169.6	183.9	183.1	175.0	172.5	174.7	169.5	170.2	177.4	167.4	160.7	148.2	142.1	140.8	142.6	146.3	146.7	150.9	148.6	161.8	173.2	164.9	153.0	157.6	157.0	151.2	143.7	128.9	135.1	129.7	140.6
150	East Siberian Sea	159.8	153.0	154.0	164.8	195.8	181.2	172.8	168.3	213.3	202.9	195.5	191.5	174.5	190.2	167.5	221.7	210.4	198.2	201.7	174.2	171.4	170.8	181.2	181.1	187.3	155.4	156.8	169.4	159.5	143.1	167.1
152	Gulf of Alaska	216.1	191.2	213.4	187.1	157.8	179.1	217.8	184.5	182.8	170.4	171.0	183.6	194.1	190.7	176.4	165.7	188.0	216.1	214.8	223.2	210.7	224.2	219.7	190.8	181.3	180.4	171.7	187.3	213.9	248.1	268.8
154	Southeast Bering Sea	148.5	176.0	232.9	155.2	185.3	242.5	218.8	196.6	145.5	159.9	186.1	188.6	203.0	199.0	184.7	163.1	159.7	150.2	181.3	177.3	167.1	162.9	171.5	158.9	161.0	171.8	189.6	223.8	240.2	212.4	225.3