1987 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	155.0	154.0	150.9	149.6	150.0	150.6	149.0	147.7	146.1	144.3	142.2	139.9	139.5	141.7	145.3	149.5	151.2	153.4	154.4	153.6	153.0	154.6	155.9	157.0	156.8	158.4	157.4	155.0	-9999.0	-9999.0	-9999.0
34	Hudson Bay	176.4	172.9	161.5	163.8	177.6	184.7	178.7	164.5	180.5	174.8	177.1	163.1	152.9	152.7	165.3	171.2	173.9	176.7	178.9	184.4	185.4	181.7	177.2	173.1	174.1	179.4	179.5	171.7	-9999.0	-9999.0	-9999.0
36	Hudson Strait	136.6	153.7	143.5	130.3	130.7	136.0	133.6	111.3	105.4	133.2	132.1	153.9	168.0	165.7	159.4	155.8	154.0	160.4	165.9	162.5	149.5	161.7	186.4	185.8	168.1	160.8	169.8	160.6	-9999.0	-9999.0	-9999.0
98	Bering Strait	162.4	165.1	162.7	160.5	158.8	164.1	167.3	177.0	177.8	171.7	162.1	162.9	159.5	142.5	148.7	150.7	150.4	158.2	166.3	162.2	167.5	166.8	171.9	175.7	158.0	146.0	147.0	140.5	-9999.0	-9999.0	-9999.0
128	Arctic subocean	113.4	110.8	112.4	121.8	101.5	96.5	91.9	91.9	101.1	102.3	103.7	92.0	89.2	94.3	104.5	102.1	83.8	82.8	96.0	99.1	93.7	95.9	94.5	111.2	121.1	119.0	105.9	107.7	-9999.0	-9999.0	-9999.0
130	Chukchi Sea	129.4	145.5	146.7	149.7	150.2	153.4	160.9	167.4	162.1	154.5	158.7	156.6	137.0	120.6	123.7	112.5	116.5	122.4	134.6	140.4	156.0	155.9	153.8	153.4	146.8	164.5	153.3	126.1	-9999.0	-9999.0	-9999.0
132	Beaufort Sea	162.3	164.7	171.8	177.8	184.7	187.6	185.7	191.0	190.2	187.0	160.8	152.5	154.1	154.6	154.8	168.2	174.4	177.0	179.7	187.7	182.3	183.7	178.4	178.5	175.0	171.1	164.9	155.7	-9999.0	-9999.0	-9999.0
134	Arctic Archipelago	116.0	114.9	118.8	122.5	113.3	109.6	116.8	133.7	117.5	116.2	107.3	104.1	102.5	108.2	107.9	115.8	138.1	147.5	149.9	153.4	147.8	142.4	147.9	152.2	158.8	152.7	136.7	140.2	-9999.0	-9999.0	-9999.0
136	Foxe Basin	93.7	100.4	99.1	101.0	112.1	104.4	91.9	90.4	94.9	96.7	105.7	121.6	136.5	140.8	134.5	129.3	145.1	158.8	158.1	151.3	151.7	155.4	144.3	137.0	141.8	148.7	147.4	131.0	-9999.0	-9999.0	-9999.0
138	Baffin Bay	88.3	91.1	89.7	96.6	85.7	89.7	87.4	100.8	103.3	109.5	96.3	86.7	101.7	115.6	125.1	113.5	88.3	92.4	85.4	89.0	107.1	108.0	82.9	81.9	91.6	94.2	89.6	93.8	-9999.0	-9999.0	-9999.0
139	South Greenland	133.0	119.3	113.0	114.6	118.0	118.2	118.3	133.8	125.7	121.6	116.7	133.6	129.4	130.8	131.8	149.4	150.7	156.8	150.4	121.4	130.1	153.2	136.3	107.4	97.0	108.7	135.4	153.6	-9999.0	-9999.0	-9999.0
140	Greenland Sea	133.8	136.7	133.0	128.1	123.7	110.3	97.8	107.1	114.0	110.6	106.6	100.3	91.6	104.5	116.7	124.6	96.8	83.9	88.2	85.6	86.4	104.1	89.4	77.5	75.4	76.1	96.3	120.9	-9999.0	-9999.0	-9999.0
142	Norwegian Sea	208.8	215.3	222.3	218.5	214.8	191.3	179.8	189.9	191.3	188.2	191.3	193.0	193.1	198.6	196.6	196.4	189.3	190.5	198.1	208.5	204.0	179.4	182.9	187.0	183.6	198.3	182.4	169.7	-9999.0	-9999.0	-9999.0
144	Barents Sea	156.4	161.5	165.9	162.4	155.1	158.6	168.0	174.0	176.6	177.1	176.5	176.0	179.2	189.5	203.6	192.2	173.4	171.2	173.4	179.1	173.6	177.7	173.8	162.0	148.7	149.6	148.8	147.3	-9999.0	-9999.0	-9999.0
146	Kara Sea	168.4	163.4	161.5	162.2	160.5	159.3	154.0	146.5	139.7	139.8	144.8	142.1	142.3	144.5	145.0	153.0	158.4	157.9	156.8	155.5	154.7	159.8	169.9	182.6	185.6	183.6	183.3	172.2	-9999.0	-9999.0	-9999.0
148	Laptev Sea	144.7	152.3	146.4	134.9	132.4	129.2	127.9	122.2	114.9	108.9	107.7	108.6	111.7	118.2	123.0	124.3	129.8	133.4	134.6	131.1	125.5	122.4	127.0	131.5	141.0	152.1	141.2	147.7	-9999.0	-9999.0	-9999.0
150	East Siberian Sea	145.0	129.2	117.1	109.7	106.3	109.1	115.6	119.6	123.0	128.7	133.1	137.4	138.0	137.6	128.4	122.9	122.1	121.3	118.4	116.1	115.2	112.9	109.3	107.5	110.3	115.5	126.6	141.6	-9999.0	-9999.0	-9999.0
152	Gulf of Alaska	204.8	197.6	197.4	193.8	203.8	196.9	204.6	213.7	205.7	188.2	184.6	193.0	205.0	197.7	203.7	206.8	201.8	203.4	209.9	200.4	207.8	198.5	210.2	204.0	190.1	170.9	157.1	149.5	-9999.0	-9999.0	-9999.0
154	Southeast Bering Sea	196.9	196.6	199.7	195.8	196.5	212.3	216.2	217.1	208.2	203.7	197.0	185.2	184.8	191.2	194.5	186.8	188.6	200.1	207.5	198.1	211.1	191.7	217.6	178.2	149.0	157.6	164.5	167.4	-9999.0	-9999.0	-9999.0