1996 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	187.5	190.8	191.7	196.7	203.8	207.2	205.7	207.7	210.0	205.4	202.5	204.1	202.4	203.5	206.9	208.9	211.3	214.5	221.4	225.5	221.2	217.7	215.0	215.8	218.2	222.0	224.5	221.6	221.3	226.1	-9999.0
34	Hudson Bay	199.4	193.6	189.9	196.7	206.1	225.9	234.4	241.6	248.6	245.4	218.3	204.0	208.7	220.2	231.8	234.2	243.4	249.9	247.4	252.6	247.6	225.1	215.8	221.0	219.8	210.9	224.3	227.0	230.6	242.3	-9999.0
36	Hudson Strait	231.1	234.0	247.5	257.0	239.0	213.2	208.5	207.3	214.2	213.9	225.0	235.0	204.0	170.2	190.8	237.7	260.7	226.0	210.1	187.3	209.2	252.0	246.0	225.0	243.4	221.8	250.0	248.6	245.3	234.0	-9999.0
98	Bering Strait	178.7	172.4	173.8	198.3	221.8	220.0	203.4	193.8	180.9	184.2	187.7	189.8	190.8	195.5	224.7	232.3	226.0	218.6	214.3	218.0	217.1	222.1	224.3	215.5	216.4	224.1	236.1	235.6	225.0	232.1	-9999.0
128	Arctic subocean	164.6	173.1	157.8	149.9	154.7	163.9	158.7	142.2	130.9	140.2	160.6	163.6	166.0	161.8	154.2	146.8	145.8	135.2	144.2	160.5	168.5	164.3	168.7	172.2	173.6	172.3	168.8	172.3	160.3	158.8	-9999.0
130	Chukchi Sea	217.1	185.1	173.6	159.0	162.8	189.7	212.9	194.0	173.9	181.6	185.4	178.7	175.5	175.3	170.8	174.8	203.3	219.4	172.9	184.7	208.3	221.2	188.6	165.1	167.0	171.9	192.8	213.7	212.6	199.1	-9999.0
132	Beaufort Sea	171.0	195.1	187.7	185.3	235.1	257.1	240.5	234.7	222.4	195.6	186.0	203.4	193.3	193.1	207.9	232.7	233.2	229.1	225.6	209.8	199.3	203.4	217.3	228.1	225.5	229.3	230.8	230.6	240.5	244.3	-9999.0
134	Arctic Archipelago	148.3	149.0	171.5	170.5	168.9	195.4	212.2	210.1	190.7	175.0	185.3	196.4	198.6	192.1	178.3	160.6	176.0	180.0	189.4	188.0	181.1	177.2	186.3	198.9	193.4	193.0	190.1	175.8	187.8	198.6	-9999.0
136	Foxe Basin	154.9	191.0	219.9	238.6	188.4	175.1	196.3	211.5	244.3	258.4	247.1	218.1	222.8	186.5	179.0	195.5	231.0	207.4	211.9	202.5	197.2	223.0	217.1	211.8	200.5	240.1	227.2	198.1	178.5	183.3	-9999.0
138	Baffin Bay	96.3	109.8	122.3	145.8	181.1	144.4	126.3	125.4	138.7	157.6	159.7	158.0	158.1	161.1	158.0	154.4	149.2	145.4	183.0	207.2	199.0	174.9	152.6	158.3	173.5	187.8	210.3	191.5	169.4	155.3	-9999.0
139	South Greenland	168.3	154.6	148.2	159.9	172.2	177.3	155.9	155.3	184.0	185.3	202.0	189.9	188.7	186.1	170.5	160.3	165.2	185.3	205.9	202.3	186.4	172.1	186.1	181.5	187.0	223.1	228.1	232.9	222.5	216.0	-9999.0
140	Greenland Sea	131.8	137.7	146.0	144.0	144.5	156.8	146.6	139.5	171.0	167.2	163.2	170.5	148.9	151.6	153.9	147.8	145.7	133.9	125.1	149.8	153.5	162.0	153.4	147.6	159.0	162.9	176.5	169.6	154.0	140.6	-9999.0
142	Norwegian Sea	221.9	239.3	251.1	263.1	269.9	249.5	251.3	260.4	235.8	214.5	214.4	225.0	234.1	235.7	243.9	267.0	280.0	271.2	275.6	275.7	278.0	253.7	244.0	245.7	260.9	258.1	262.1	236.1	230.7	225.2	-9999.0
144	Barents Sea	219.7	236.9	243.8	232.8	240.5	252.5	257.4	245.8	245.4	210.3	212.8	222.8	244.4	231.9	225.7	221.7	207.6	196.9	203.5	235.1	221.8	232.7	225.6	203.7	210.9	217.1	224.6	248.2	264.4	255.6	-9999.0
146	Kara Sea	196.5	195.3	196.6	203.1	203.2	203.6	210.3	218.5	221.3	218.1	215.0	213.2	212.2	217.0	218.0	217.7	222.2	232.2	243.9	246.3	247.9	240.5	229.4	230.3	233.6	239.5	233.5	220.0	219.6	230.1	-9999.0
148	Laptev Sea	190.7	198.4	198.9	196.4	197.8	191.3	185.4	195.6	196.7	201.8	202.6	213.2	200.4	191.1	192.1	191.4	193.1	203.2	215.6	227.6	216.5	219.6	220.0	223.0	215.6	215.4	215.9	223.3	222.2	227.3	-9999.0
150	East Siberian Sea	219.7	229.9	215.0	215.6	187.8	168.5	171.0	165.4	167.7	163.7	175.3	182.0	190.8	205.7	192.5	194.4	184.0	181.3	196.5	185.7	185.6	186.1	197.2	207.4	237.7	239.2	229.1	222.7	218.2	223.5	-9999.0
152	Gulf of Alaska	175.3	170.1	200.6	259.8	258.2	258.4	213.4	195.3	198.4	204.4	204.5	196.3	198.1	225.7	275.7	269.3	257.1	247.5	234.6	248.1	242.4	245.1	257.4	246.6	246.6	246.0	247.5	237.3	232.5	241.7	-9999.0
154	Southeast Bering Sea	184.7	183.0	181.9	201.9	249.9	241.5	188.8	192.0	232.6	238.0	213.8	220.2	218.3	241.1	271.9	270.9	235.7	213.2	239.1	254.7	239.4	239.3	241.7	245.5	237.1	244.2	250.4	231.8	222.3	225.4	-9999.0