1955 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	205.4	209.2	212.0	212.5	213.5	213.2	210.2	215.6	214.5	212.5	208.4	204.7	208.2	204.4	205.2	214.5	222.6	221.0	224.0	228.4	229.7	229.2	230.0	229.6	225.0	228.1	232.7	232.2	229.4	230.9	-9999.0
34	Hudson Bay	248.5	244.7	247.3	245.8	230.7	246.0	239.8	246.2	252.5	262.0	258.0	256.0	258.4	250.5	250.6	249.6	247.4	241.7	246.9	256.2	265.4	262.1	260.5	263.4	256.6	264.4	282.7	290.1	276.7	277.1	-9999.0
36	Hudson Strait	215.8	192.9	214.8	219.3	156.3	190.0	187.8	170.8	167.2	189.0	172.8	184.0	265.5	227.8	171.1	165.7	243.1	263.0	245.2	226.7	233.0	229.5	202.0	196.5	206.2	221.0	222.1	245.1	223.8	226.4	-9999.0
98	Bering Strait	183.1	179.4	191.0	193.8	207.4	206.8	204.0	195.3	194.8	202.4	192.5	187.9	198.9	210.8	198.3	205.4	237.6	234.8	224.3	219.8	219.3	220.1	205.1	208.4	207.2	207.6	213.7	205.9	211.5	222.0	-9999.0
128	Arctic subocean	121.4	141.6	142.1	123.3	125.7	127.9	127.4	131.9	146.7	165.5	168.4	157.3	149.4	138.4	145.9	142.5	138.9	142.9	173.2	190.8	185.3	160.0	162.6	164.4	157.0	166.6	156.4	148.5	154.8	151.5	-9999.0
130	Chukchi Sea	130.9	128.3	142.4	141.4	148.9	171.4	175.7	190.7	174.0	179.5	201.2	189.5	176.3	186.4	175.9	190.4	244.4	217.2	209.1	212.3	204.4	202.6	194.4	203.4	197.4	188.8	183.7	188.2	202.1	206.7	-9999.0
132	Beaufort Sea	226.5	221.6	203.4	205.9	238.6	239.0	239.1	222.6	220.5	230.8	225.1	209.2	214.8	214.1	210.1	217.1	212.3	227.6	227.9	225.9	229.7	242.6	242.6	254.4	248.0	238.9	240.8	242.9	243.8	242.3	-9999.0
134	Arctic Archipelago	167.8	171.9	161.4	158.5	176.5	191.2	183.0	184.3	182.1	180.3	185.0	185.6	173.8	171.2	186.2	200.3	183.0	177.4	205.8	213.5	205.8	205.5	212.1	234.4	235.7	231.9	228.5	220.2	213.6	231.0	-9999.0
136	Foxe Basin	160.6	157.3	196.2	175.5	156.9	158.1	161.4	163.7	174.3	166.3	161.8	168.5	192.2	172.0	174.5	191.9	217.9	226.2	216.1	216.7	213.6	204.2	231.3	239.6	241.0	221.6	214.4	227.9	233.3	193.8	-9999.0
138	Baffin Bay	171.4	154.3	116.4	112.1	127.8	134.4	131.3	165.9	174.2	165.1	146.9	131.4	131.8	122.1	116.3	129.4	137.8	120.4	144.8	168.6	188.4	143.8	143.6	153.1	150.4	157.8	157.4	160.3	149.6	140.6	-9999.0
139	South Greenland	189.4	188.4	189.4	196.8	207.9	196.2	209.8	214.3	216.4	200.2	195.9	185.2	185.0	180.1	183.4	224.5	218.2	185.4	172.1	184.6	173.3	185.6	186.4	181.1	185.5	207.9	203.9	193.9	188.4	184.6	-9999.0
140	Greenland Sea	142.7	153.5	157.1	132.6	159.1	173.6	166.4	169.4	183.5	177.2	195.9	190.9	152.8	159.0	144.4	158.5	172.2	169.9	121.6	143.8	144.9	129.7	131.5	119.8	122.0	151.0	158.3	156.6	168.9	173.1	-9999.0
142	Norwegian Sea	231.4	249.8	238.3	228.5	248.2	228.7	233.3	240.5	243.4	252.3	260.2	272.4	270.7	259.9	288.9	253.2	251.7	295.8	286.4	264.9	225.2	223.0	227.0	261.4	241.7	219.8	231.4	266.1	260.5	258.3	-9999.0
144	Barents Sea	211.6	207.3	208.3	213.3	214.8	210.3	193.8	200.1	201.8	208.6	220.7	231.8	245.7	253.3	256.5	258.3	257.8	247.8	263.5	264.2	275.8	252.5	289.7	278.6	249.3	256.6	273.6	274.2	270.7	278.0	-9999.0
146	Kara Sea	223.2	231.1	239.9	243.1	235.8	220.4	219.4	235.6	228.0	217.2	207.9	207.0	206.2	198.6	206.5	220.1	227.5	232.5	236.8	244.9	249.5	250.5	250.5	249.2	243.0	240.7	249.5	244.7	237.2	240.5	-9999.0
148	Laptev Sea	181.1	195.6	203.3	194.0	198.8	202.2	201.4	206.8	205.0	191.3	188.1	181.4	188.6	193.1	198.3	203.0	217.9	214.5	227.3	221.4	218.6	224.2	219.6	202.1	197.0	205.8	203.1	203.1	211.8	211.3	-9999.0
150	East Siberian Sea	178.0	199.5	213.2	224.4	217.7	225.2	216.8	211.2	210.3	221.3	217.1	208.9	210.0	178.8	176.8	187.3	206.7	204.7	192.5	192.9	179.7	190.7	202.9	218.1	231.6	225.6	211.1	204.2	199.8	198.1	-9999.0
152	Gulf of Alaska	214.0	236.3	221.7	245.3	238.7	227.1	205.5	210.4	210.5	206.0	205.1	203.4	204.5	240.2	225.5	212.9	260.2	254.4	228.3	238.2	240.3	235.0	218.9	201.1	197.9	200.5	199.4	204.9	232.1	229.7	-9999.0
154	Southeast Bering Sea	196.9	179.8	174.9	219.6	213.3	199.6	183.8	175.0	173.3	183.6	186.6	197.0	244.1	261.8	225.6	265.0	254.7	232.2	237.4	256.3	219.1	202.2	191.9	184.0	186.6	214.8	222.6	252.9	258.5	255.7	-9999.0