1973 05 - daily  - mean of NCEP mean Daily Clear Sky Downward Longwave 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	207.8	210.0	208.9	207.9	208.3	211.0	211.8	213.2	214.8	213.4	211.9	211.6	214.8	216.0	218.6	220.2	221.3	221.7	222.7	225.9	224.9	227.3	230.2	233.8	236.0	239.1	242.6	241.4	240.1	243.4	245.7
34	Hudson Bay	213.4	220.3	224.4	225.0	228.9	234.8	249.5	252.4	251.4	243.1	234.5	231.4	230.4	242.6	243.6	234.8	251.0	254.5	252.8	257.8	259.1	264.6	266.2	267.5	268.9	275.5	279.2	265.3	254.6	261.7	261.1
36	Hudson Strait	211.1	197.4	191.7	198.7	176.3	178.6	201.0	225.4	225.8	236.5	239.8	242.1	242.7	221.4	216.6	221.5	231.4	225.1	214.6	238.8	240.6	233.1	229.0	222.7	229.5	240.8	239.8	228.3	220.8	219.4	216.4
98	Bering Strait	206.8	203.3	203.5	208.0	207.6	204.0	200.3	202.3	202.2	206.0	210.2	211.4	215.4	221.7	233.1	221.8	218.2	215.7	214.5	215.0	213.4	211.9	214.1	222.3	224.4	220.7	227.7	229.6	224.1	226.2	227.9
128	Arctic subocean	162.6	159.6	157.9	150.2	146.7	151.1	151.5	147.2	149.2	145.8	150.7	149.3	152.4	154.6	159.9	155.1	153.7	158.2	171.5	173.4	176.0	179.2	182.4	189.0	190.6	192.3	194.7	199.8	207.9	214.4	220.5
130	Chukchi Sea	188.0	197.0	200.4	208.4	206.5	203.7	195.9	191.9	187.0	189.8	199.2	203.6	213.6	219.0	226.9	222.3	208.4	201.6	189.4	198.8	207.8	209.8	216.2	215.9	220.7	233.0	228.4	230.4	224.8	223.2	222.7
132	Beaufort Sea	228.3	232.6	233.3	232.2	233.1	234.3	227.9	222.6	227.1	228.5	226.9	229.4	248.6	253.9	246.9	256.0	240.1	228.6	232.3	238.4	238.3	242.6	247.0	260.2	266.1	265.6	271.5	271.7	260.4	263.2	260.5
134	Arctic Archipelago	195.1	205.1	190.9	170.4	169.0	179.8	176.8	175.4	184.8	191.6	190.2	193.2	207.6	195.9	184.6	195.1	189.6	180.5	177.2	181.2	197.0	214.8	227.2	236.5	231.8	231.6	230.9	227.1	225.6	227.7	224.0
136	Foxe Basin	208.1	194.3	195.2	168.1	147.2	145.9	162.4	176.6	168.5	173.6	179.6	170.7	171.0	198.9	188.0	184.5	199.4	213.8	190.1	195.6	197.3	190.2	207.9	229.4	236.5	225.1	209.1	215.4	224.6	226.0	220.3
138	Baffin Bay	162.1	168.2	157.8	151.2	156.1	156.2	148.1	139.0	133.5	129.1	128.9	134.9	134.6	137.1	130.1	125.4	128.9	162.4	183.6	157.9	153.5	152.5	160.0	168.4	171.0	175.5	180.3	180.0	180.3	186.6	194.7
139	South Greenland	186.6	182.7	175.9	176.3	171.8	156.0	137.8	148.8	163.1	156.9	152.7	156.7	166.1	166.0	163.3	160.7	158.7	177.9	189.0	189.7	181.3	181.2	180.3	181.3	183.1	181.9	184.6	185.6	188.8	192.7	192.1
140	Greenland Sea	145.4	154.2	152.5	154.7	156.1	157.3	149.6	138.4	130.3	130.8	139.2	138.3	135.6	132.5	137.6	138.6	130.1	135.7	179.7	165.0	150.3	155.4	157.2	163.9	171.4	172.1	169.6	172.2	174.6	177.3	179.9
142	Norwegian Sea	228.2	229.5	222.3	218.9	229.0	237.7	231.3	231.2	236.4	236.0	230.3	226.8	236.3	232.6	225.6	227.9	233.2	236.0	250.1	256.4	250.8	251.1	248.7	234.2	232.9	237.6	252.9	246.1	244.7	254.8	258.1
144	Barents Sea	234.5	234.6	238.7	240.3	227.8	227.3	234.5	224.7	212.3	217.4	237.8	251.2	268.3	262.3	254.6	259.3	258.9	245.0	236.1	247.3	249.8	255.6	259.4	261.8	241.4	219.3	233.4	234.4	229.5	231.4	240.3
146	Kara Sea	219.5	220.3	219.1	220.2	224.8	229.3	224.1	227.1	230.4	227.1	216.7	209.1	206.0	215.3	230.9	238.2	237.2	234.8	231.0	232.3	228.4	229.9	235.6	240.1	249.5	257.4	258.9	255.9	254.0	255.4	261.0
148	Laptev Sea	195.5	201.4	199.2	196.7	199.8	207.4	214.0	214.9	217.2	215.7	221.5	227.6	229.8	211.4	208.1	208.0	213.0	219.2	225.0	232.6	228.0	225.7	222.5	220.1	217.3	225.6	232.2	239.6	249.7	253.3	256.8
150	East Siberian Sea	192.7	188.5	190.7	189.4	180.0	180.3	192.3	200.4	202.7	203.1	207.1	202.1	197.0	192.3	194.9	201.2	204.1	205.1	204.8	206.5	218.0	225.2	226.7	224.1	223.1	223.0	223.3	229.5	239.8	248.0	246.9
152	Gulf of Alaska	228.5	220.3	219.0	216.4	219.6	211.6	208.7	216.6	215.9	216.4	215.6	222.1	224.2	240.4	242.2	228.8	234.5	227.5	227.0	227.8	224.0	214.9	215.7	227.1	227.3	223.2	226.5	223.2	222.8	225.6	224.3
154	Southeast Bering Sea	219.5	219.8	215.5	225.2	224.7	220.8	217.2	218.1	215.6	220.4	224.1	222.4	232.2	236.2	233.7	231.4	233.7	233.6	236.6	242.1	230.9	230.6	226.7	228.3	237.3	235.2	241.6	240.7	239.3	242.4	243.2