1961 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	205.2	205.1	202.4	198.5	198.5	197.4	199.3	204.0	205.0	203.4	202.1	199.7	200.9	204.4	202.6	208.4	210.8	211.5	214.4	217.3	220.3	223.6	223.5	224.5	223.3	219.4	216.6	221.8	222.7	223.8	-9999.0
34	Hudson Bay	208.0	239.9	228.9	225.3	216.5	210.1	204.7	211.0	228.5	213.1	202.4	212.1	241.0	234.0	220.9	218.0	226.3	232.8	249.4	267.9	264.4	247.1	229.1	233.3	244.3	239.3	227.7	225.9	227.4	224.4	-9999.0
36	Hudson Strait	239.2	226.8	225.0	248.2	252.4	221.0	215.1	212.5	193.6	186.9	179.5	191.3	212.7	207.4	196.9	182.8	183.4	196.3	213.9	226.6	199.7	226.5	236.0	242.2	244.6	236.9	226.6	229.8	225.7	224.2	-9999.0
98	Bering Strait	217.4	204.5	195.4	181.5	182.5	206.1	203.2	182.2	190.1	211.5	201.2	191.9	180.0	183.8	199.8	207.1	193.7	192.6	196.6	192.1	197.2	232.5	233.9	227.3	244.4	247.2	230.9	231.8	217.1	217.0	-9999.0
128	Arctic subocean	120.6	113.6	133.5	133.2	145.8	134.9	121.2	118.7	124.0	128.7	126.1	153.6	155.8	177.8	156.9	147.8	160.1	167.7	182.7	174.2	167.4	155.7	152.6	166.5	172.8	173.5	194.2	200.0	175.5	163.8	-9999.0
130	Chukchi Sea	212.2	187.4	166.2	146.2	136.9	173.7	178.7	163.7	184.2	177.2	208.6	196.0	168.8	157.6	163.0	162.2	184.2	195.6	154.9	153.0	187.6	230.9	197.9	249.4	209.9	189.8	187.1	190.0	194.5	206.5	-9999.0
132	Beaufort Sea	233.8	214.3	210.5	203.3	190.2	189.8	204.6	215.4	173.5	173.5	189.6	199.1	180.1	174.9	192.5	220.9	242.4	231.0	228.4	216.1	203.9	204.9	231.6	241.5	223.8	223.4	220.2	224.5	219.7	228.2	-9999.0
134	Arctic Archipelago	164.1	158.6	144.0	146.9	161.8	155.5	158.9	173.9	168.4	161.7	164.4	168.5	162.3	165.5	165.2	182.4	205.1	208.8	206.5	220.6	222.3	215.2	211.9	205.7	190.8	183.0	198.8	222.8	222.4	203.3	-9999.0
136	Foxe Basin	213.2	208.6	190.1	150.6	152.2	182.1	220.3	174.9	172.8	187.2	169.8	186.2	178.0	192.1	203.5	200.0	216.0	211.2	193.3	181.7	196.2	238.6	236.0	226.4	202.9	203.0	211.8	209.8	207.2	202.1	-9999.0
138	Baffin Bay	109.6	145.7	176.5	153.6	118.3	109.0	118.3	129.9	142.3	126.4	106.5	106.8	118.1	134.8	133.2	131.1	133.5	158.5	170.6	145.9	145.1	145.0	144.0	166.4	178.2	170.5	172.2	177.9	183.9	177.5	-9999.0
139	South Greenland	169.6	168.4	175.6	177.0	158.5	128.2	141.7	175.6	179.5	177.2	169.2	157.1	152.4	147.0	138.7	129.8	138.6	143.8	151.8	162.1	191.5	191.8	201.5	216.0	203.5	207.6	199.7	194.8	210.9	206.1	-9999.0
140	Greenland Sea	111.3	109.6	127.2	125.7	149.6	148.3	133.2	111.8	105.5	108.9	99.4	99.9	105.3	155.6	149.1	144.8	118.1	125.8	170.0	158.6	139.0	142.8	143.8	141.0	157.6	153.7	165.2	164.3	155.8	157.8	-9999.0
142	Norwegian Sea	221.4	224.8	216.8	223.1	217.6	218.8	231.2	236.4	231.8	239.2	229.9	242.0	264.1	255.2	256.6	263.5	270.2	255.3	222.7	248.5	253.3	257.5	262.0	258.4	274.3	275.7	235.4	246.9	262.1	239.3	-9999.0
144	Barents Sea	237.7	247.0	249.0	232.6	228.9	220.7	225.5	230.8	234.2	231.6	235.6	220.2	207.2	214.1	222.9	244.2	233.4	226.2	254.1	235.7	203.1	202.0	227.5	206.3	227.0	246.8	232.8	219.2	222.0	216.3	-9999.0
146	Kara Sea	238.8	233.3	233.6	228.8	232.2	230.5	228.5	228.1	231.6	231.3	234.0	232.0	230.6	232.6	228.8	237.8	234.4	226.9	222.1	235.4	244.7	248.2	234.9	229.2	229.5	230.9	229.4	238.3	245.4	253.4	-9999.0
148	Laptev Sea	179.8	172.5	165.1	168.3	168.8	174.1	186.8	204.3	205.4	201.6	198.3	188.6	184.8	195.1	190.1	195.4	201.4	213.0	208.7	203.0	211.2	215.8	235.7	234.8	216.5	194.5	191.8	194.4	198.5	202.8	-9999.0
150	East Siberian Sea	150.9	153.9	158.2	163.6	184.5	194.6	186.6	177.4	176.7	207.0	203.3	188.2	202.6	219.3	209.6	202.3	186.6	177.0	186.0	183.6	192.9	196.9	181.9	199.8	213.3	208.1	229.2	264.2	244.3	240.0	-9999.0
152	Gulf of Alaska	240.5	235.3	216.6	211.8	238.3	260.3	244.7	223.3	255.0	241.0	224.8	203.2	205.3	226.0	256.5	238.2	203.5	227.7	225.8	204.9	211.0	258.8	280.4	269.6	280.5	274.9	256.7	240.4	229.2	229.7	-9999.0
154	Southeast Bering Sea	236.3	216.7	202.6	200.5	258.4	241.6	202.5	250.6	268.2	222.6	246.2	217.2	240.5	201.1	186.8	179.4	228.8	240.7	189.3	197.8	271.2	301.8	265.0	285.8	257.7	219.8	222.0	233.9	227.6	217.5	-9999.0