1997 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	200.3	207.1	208.8	211.7	208.4	205.4	204.9	202.1	200.5	207.1	213.4	215.0	214.9	214.0	215.1	221.9	224.6	227.6	227.4	226.6	228.4	232.1	231.7	228.8	233.1	232.1	235.7	233.4	230.3	223.6	-9999.0
34	Hudson Bay	231.9	231.7	249.9	233.8	229.0	217.9	202.4	177.7	174.3	178.4	188.3	193.5	198.9	205.5	201.6	216.5	236.5	253.1	249.0	248.9	245.0	245.1	241.1	240.1	242.0	239.3	250.8	253.2	238.8	220.2	-9999.0
36	Hudson Strait	181.9	148.8	175.9	226.1	183.8	153.5	198.5	180.3	157.9	179.5	183.5	173.5	175.6	162.9	179.8	193.5	183.8	232.8	255.2	253.7	240.6	218.3	194.1	191.3	206.5	214.1	227.7	249.8	249.7	246.2	-9999.0
98	Bering Strait	187.0	205.1	203.9	229.9	235.8	234.4	226.7	220.8	222.9	228.4	210.8	208.1	209.4	205.9	201.5	215.8	205.8	200.2	192.7	183.4	196.1	211.0	215.0	217.2	232.2	244.4	258.0	253.6	251.7	246.1	-9999.0
128	Arctic subocean	113.0	109.8	112.5	105.8	112.6	114.0	124.9	137.0	173.8	173.9	165.0	173.1	160.3	146.4	155.9	147.1	163.7	179.4	177.7	163.2	199.3	201.8	179.3	193.9	181.3	196.5	195.6	182.2	161.6	140.4	-9999.0
130	Chukchi Sea	138.4	157.0	216.7	235.3	242.8	233.9	243.3	239.0	229.7	222.2	212.1	202.2	210.2	181.2	221.4	192.1	193.7	191.2	200.6	192.3	189.8	200.5	207.6	198.5	231.1	254.3	245.6	242.2	232.0	221.3	-9999.0
132	Beaufort Sea	185.2	224.6	221.6	189.2	177.8	177.2	182.0	189.3	197.1	197.0	199.9	207.0	207.9	193.9	213.7	232.8	231.1	222.3	207.3	208.3	228.6	223.5	223.0	221.9	219.1	232.4	250.1	227.1	221.3	222.3	-9999.0
134	Arctic Archipelago	132.6	139.5	134.8	138.9	132.8	133.4	159.2	174.8	157.7	174.1	190.9	181.9	168.7	163.6	183.8	198.9	210.8	213.6	232.5	229.6	209.4	220.2	214.8	210.4	188.4	177.3	169.0	168.4	170.2	166.0	-9999.0
136	Foxe Basin	131.6	158.5	134.1	126.6	126.2	125.4	128.2	140.9	133.2	139.4	158.4	156.6	158.4	169.7	180.1	191.0	184.6	180.8	227.4	224.2	230.5	206.3	198.7	221.1	236.6	228.6	199.2	184.6	184.0	203.9	-9999.0
138	Baffin Bay	92.1	93.1	86.6	92.7	86.5	88.8	97.0	107.0	138.0	129.6	125.7	130.6	133.6	170.8	129.4	141.4	165.9	189.3	168.7	163.2	183.5	184.5	148.6	149.3	148.2	155.7	155.1	156.4	153.0	138.8	-9999.0
139	South Greenland	120.6	119.6	125.6	145.8	146.9	159.3	152.3	139.8	144.1	188.5	224.0	189.5	223.0	227.4	186.4	212.4	216.0	204.1	179.3	169.8	161.8	165.1	164.9	166.4	181.7	189.2	187.1	179.2	176.9	181.7	-9999.0
140	Greenland Sea	131.8	105.7	96.6	101.8	96.0	105.8	136.5	176.7	199.8	176.5	169.7	150.3	146.3	174.4	158.2	124.4	143.9	182.5	179.9	148.7	137.5	182.2	166.5	150.8	146.0	155.5	150.1	151.5	159.5	153.1	-9999.0
142	Norwegian Sea	250.5	243.3	232.5	216.8	212.3	208.1	210.7	237.9	266.1	257.0	218.8	257.1	266.7	224.3	243.6	277.8	241.0	227.6	215.9	251.5	257.7	242.8	223.8	226.3	224.7	236.7	236.3	236.0	226.1	237.5	-9999.0
144	Barents Sea	241.3	257.6	238.3	265.7	258.0	249.2	223.4	211.2	197.6	205.5	218.9	227.6	219.2	228.3	242.8	256.4	260.6	258.2	260.9	258.7	241.2	229.6	241.0	270.2	254.4	232.9	232.3	239.5	234.6	237.0	-9999.0
146	Kara Sea	229.6	230.9	235.2	238.6	230.8	227.9	226.4	234.3	238.9	240.2	250.2	254.8	248.6	242.5	237.0	238.3	243.7	247.1	252.1	254.2	257.8	265.9	263.2	255.3	276.3	272.0	270.0	271.5	260.9	249.5	-9999.0
148	Laptev Sea	206.6	222.6	215.5	222.2	229.1	226.5	233.6	213.6	194.5	209.8	208.7	216.4	223.0	223.3	231.5	227.0	213.8	214.7	225.9	224.1	224.5	228.2	238.0	225.7	209.1	210.0	219.3	215.1	234.1	230.3	-9999.0
150	East Siberian Sea	204.3	193.3	191.3	194.5	202.5	202.6	192.6	203.3	201.5	209.6	228.5	223.4	205.7	201.7	224.0	231.7	228.2	210.1	194.9	211.9	219.4	216.1	226.2	222.1	229.9	212.2	214.0	212.6	211.8	214.5	-9999.0
152	Gulf of Alaska	241.8	245.3	203.0	236.6	255.9	254.0	242.8	245.4	217.7	211.5	211.7	222.4	233.2	228.4	231.5	242.5	215.2	206.8	192.8	196.1	219.5	242.3	257.9	241.3	268.3	264.8	267.6	244.3	249.9	234.5	-9999.0
154	Southeast Bering Sea	179.7	183.9	250.3	271.8	275.0	268.4	279.7	245.4	257.3	267.4	214.5	220.4	215.1	223.2	210.3	207.0	204.5	206.7	197.5	198.2	197.9	202.8	235.4	256.9	280.5	275.2	254.9	256.3	246.9	250.3	-9999.0