1956 02 - 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	150.3	149.5	146.6	146.7	146.7	146.5	145.7	145.5	142.3	140.3	142.5	141.8	138.3	141.2	143.9	142.3	139.6	138.1	140.0	142.1	143.6	147.8	149.5	146.9	144.6	145.0	147.6	147.7	145.4	-9999.0	-9999.0
34	Hudson Bay	157.9	161.5	170.1	176.2	162.6	166.9	173.9	170.3	173.9	161.4	152.8	156.3	158.9	148.5	139.4	134.7	144.8	146.0	148.1	147.3	149.1	156.2	156.0	154.3	150.7	145.3	148.9	155.1	162.2	-9999.0	-9999.0
36	Hudson Strait	130.1	138.7	131.0	141.9	121.7	103.4	120.3	137.7	143.1	130.9	116.4	125.3	135.7	158.5	167.3	155.7	138.8	140.2	143.2	173.0	177.6	195.5	175.0	150.7	141.1	174.0	174.2	170.4	163.5	-9999.0	-9999.0
98	Bering Strait	176.7	181.9	174.9	161.8	161.7	158.6	152.4	150.8	140.0	128.4	121.4	118.1	125.7	141.8	156.0	156.7	137.0	119.7	115.1	124.9	134.7	152.7	165.5	155.4	150.8	141.3	131.4	131.5	120.1	-9999.0	-9999.0
128	Arctic subocean	123.6	114.9	112.2	96.0	103.2	106.2	107.9	103.6	111.5	108.9	119.9	139.2	105.7	104.5	107.5	113.5	112.3	112.0	111.2	90.5	82.0	91.4	103.9	109.0	104.1	105.5	105.6	97.3	91.6	-9999.0	-9999.0
130	Chukchi Sea	134.0	148.1	159.0	161.6	153.5	139.3	125.8	117.0	111.6	117.5	122.1	128.0	141.4	139.5	143.1	137.2	120.6	116.5	127.0	135.8	155.6	149.3	167.6	154.8	149.5	132.2	115.0	109.3	99.1	-9999.0	-9999.0
132	Beaufort Sea	168.7	179.3	182.7	167.8	165.5	167.2	163.2	167.7	162.3	154.2	135.2	119.8	109.2	107.1	113.8	135.3	130.7	125.6	123.9	128.7	133.6	141.6	143.3	139.3	136.1	139.9	138.1	139.4	147.7	-9999.0	-9999.0
134	Arctic Archipelago	127.1	127.3	115.3	104.1	109.9	117.2	114.5	100.3	105.3	112.6	112.6	116.8	114.3	118.7	117.8	111.1	102.9	97.6	100.0	106.5	109.5	112.1	125.8	130.2	133.5	137.6	138.9	132.5	125.2	-9999.0	-9999.0
136	Foxe Basin	113.6	116.3	104.9	100.1	96.2	97.6	103.4	105.1	117.0	123.1	108.4	110.9	122.4	137.4	147.6	145.9	131.4	133.6	142.4	148.7	140.6	142.5	160.5	173.7	167.9	155.0	175.7	169.9	164.5	-9999.0	-9999.0
138	Baffin Bay	105.2	88.7	78.3	79.8	101.6	110.4	90.2	91.1	87.9	93.5	140.2	126.8	78.8	89.5	105.3	111.9	107.9	106.7	108.1	112.7	103.7	105.5	131.0	140.2	143.0	137.8	126.4	117.4	111.0	-9999.0	-9999.0
139	South Greenland	116.4	117.4	107.7	109.6	137.4	128.7	127.6	151.1	126.2	146.2	178.5	155.1	130.0	134.1	133.7	134.0	132.0	149.8	170.2	174.0	173.7	180.6	172.2	165.1	152.9	142.5	160.0	149.2	130.5	-9999.0	-9999.0
140	Greenland Sea	138.7	136.0	116.9	91.5	98.4	118.2	101.0	125.7	134.5	92.8	136.6	157.0	113.7	124.2	125.5	117.4	115.9	105.3	102.4	115.0	120.7	103.1	117.1	121.1	120.9	114.1	104.2	94.5	76.8	-9999.0	-9999.0
142	Norwegian Sea	185.5	196.4	196.5	207.4	200.1	196.2	216.4	209.4	197.3	200.3	200.6	187.3	166.3	171.0	178.0	188.1	188.5	188.2	181.8	192.9	202.7	203.1	198.0	188.8	191.6	208.3	211.0	205.6	217.7	-9999.0	-9999.0
144	Barents Sea	188.9	175.5	161.5	146.9	144.8	154.1	156.6	151.2	155.4	153.0	155.5	160.7	160.5	165.2	173.0	168.9	173.7	174.4	170.2	177.1	184.8	180.9	174.5	165.4	159.4	156.6	156.8	160.7	162.0	-9999.0	-9999.0
146	Kara Sea	158.1	153.0	149.7	158.4	158.2	150.0	143.9	139.7	139.4	144.2	147.6	148.9	147.1	147.8	151.0	150.9	152.2	153.1	155.2	154.3	154.0	155.3	155.4	151.2	149.1	155.5	162.2	164.2	160.4	-9999.0	-9999.0
148	Laptev Sea	123.6	118.1	119.8	125.5	126.8	131.7	139.8	145.2	140.1	138.7	140.1	138.1	137.8	144.2	147.3	137.6	129.9	126.9	131.5	129.4	126.3	128.2	127.9	132.4	132.7	135.2	138.6	137.4	136.9	-9999.0	-9999.0
150	East Siberian Sea	146.5	153.7	149.6	143.7	142.0	140.5	141.8	139.3	123.9	122.6	133.1	142.3	154.5	157.9	141.4	132.3	126.7	129.2	134.1	132.6	125.8	123.7	123.2	122.1	122.7	123.7	132.7	142.1	139.7	-9999.0	-9999.0
152	Gulf of Alaska	213.9	214.6	195.6	185.2	196.4	201.3	203.9	205.3	176.3	148.2	142.5	134.0	133.7	152.4	198.1	203.3	183.1	157.0	128.4	128.5	144.9	177.1	191.4	179.9	180.5	178.5	171.4	159.9	147.6	-9999.0	-9999.0
154	Southeast Bering Sea	189.4	205.9	179.6	194.2	202.4	204.2	195.9	153.1	127.1	126.8	136.0	138.1	155.6	191.7	229.0	198.6	173.6	141.0	127.9	132.8	179.3	228.6	210.7	193.0	205.1	163.5	133.2	117.7	117.6	-9999.0	-9999.0