1990 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	135.8	137.4	138.6	138.5	137.3	138.4	138.0	136.4	137.0	141.5	143.8	142.6	144.4	143.4	142.1	141.5	140.5	139.4	138.9	141.4	145.8	148.7	149.2	152.7	156.6	159.3	162.3	166.7	-9999.0	-9999.0	-9999.0
34	Hudson Bay	126.1	131.2	150.3	169.2	172.2	171.3	168.8	165.2	160.4	158.1	159.6	151.6	132.6	118.2	123.5	123.2	125.1	142.5	147.1	168.5	186.4	169.2	149.2	133.2	147.1	166.8	157.9	169.8	-9999.0	-9999.0	-9999.0
36	Hudson Strait	120.2	104.8	115.0	117.2	125.4	145.9	129.9	124.9	121.9	125.0	130.7	133.2	134.9	128.9	103.3	91.1	96.0	111.9	125.6	124.6	125.9	164.6	126.8	122.3	116.0	118.6	141.7	127.0	-9999.0	-9999.0	-9999.0
98	Bering Strait	129.0	123.5	119.8	123.7	116.6	118.3	114.8	112.3	113.1	118.1	120.8	124.5	151.2	150.0	132.7	152.1	148.3	136.8	128.3	117.8	119.4	126.1	133.0	167.4	149.9	158.3	159.1	138.2	-9999.0	-9999.0	-9999.0
128	Arctic subocean	101.6	109.9	106.6	99.9	98.9	103.7	100.0	91.0	85.3	74.2	74.8	78.9	87.5	105.5	115.9	119.4	126.0	121.1	131.7	127.8	125.4	120.9	115.2	115.1	111.0	107.8	109.1	112.9	-9999.0	-9999.0	-9999.0
130	Chukchi Sea	130.8	128.7	113.5	106.5	100.9	103.4	111.8	112.5	112.1	121.5	124.1	121.9	140.0	134.4	145.1	154.5	129.2	121.0	116.6	110.7	107.8	114.1	119.3	129.1	146.4	136.9	120.1	125.9	-9999.0	-9999.0	-9999.0
132	Beaufort Sea	120.6	133.8	143.5	143.4	147.0	146.1	143.5	131.4	127.4	139.3	135.0	122.3	123.7	125.4	115.5	121.2	138.1	143.9	160.6	155.9	142.3	150.9	145.8	162.5	182.2	165.4	186.0	194.0	-9999.0	-9999.0	-9999.0
134	Arctic Archipelago	114.9	113.3	112.7	113.9	110.4	107.6	108.8	106.4	107.5	110.4	102.3	92.3	90.3	92.3	99.9	113.1	113.4	116.7	118.1	120.4	114.3	107.4	110.3	119.3	127.1	122.9	132.2	157.8	-9999.0	-9999.0	-9999.0
136	Foxe Basin	122.1	114.8	119.1	108.5	114.8	120.2	117.7	114.0	113.7	117.6	117.1	117.2	99.2	102.6	98.3	101.5	117.3	129.3	125.0	116.9	114.9	118.6	112.9	110.2	107.3	106.2	110.8	114.5	-9999.0	-9999.0	-9999.0
138	Baffin Bay	94.8	99.2	102.2	98.9	92.4	87.8	79.9	78.6	71.6	74.9	86.3	86.1	85.3	105.4	125.4	125.8	122.7	114.0	106.9	99.4	93.7	93.0	90.5	89.9	90.3	90.7	99.8	94.1	-9999.0	-9999.0	-9999.0
139	South Greenland	129.8	124.8	124.3	122.1	112.3	114.6	116.6	108.1	102.5	96.8	95.4	101.0	112.5	131.3	135.9	134.4	131.1	111.5	110.4	109.6	107.0	102.5	104.8	112.5	115.5	108.0	98.8	98.7	-9999.0	-9999.0	-9999.0
140	Greenland Sea	116.0	128.2	123.8	112.7	114.4	111.9	96.3	82.2	78.3	74.7	74.9	88.5	121.0	129.6	124.0	114.7	109.9	106.7	119.1	114.3	122.9	117.5	109.2	98.2	91.7	83.0	77.2	81.6	-9999.0	-9999.0	-9999.0
142	Norwegian Sea	226.6	224.8	223.1	224.0	242.2	245.0	235.4	216.6	211.4	210.5	209.1	208.6	206.1	202.6	195.2	196.3	199.9	212.4	216.9	229.8	222.2	231.1	239.3	224.6	205.2	211.0	205.7	203.9	-9999.0	-9999.0	-9999.0
144	Barents Sea	194.4	206.0	210.4	202.3	199.7	207.6	217.0	219.9	215.4	201.6	196.4	191.8	196.9	203.5	201.4	192.3	191.2	187.7	179.3	186.5	209.2	214.3	210.6	211.2	202.2	189.3	195.1	211.8	-9999.0	-9999.0	-9999.0
146	Kara Sea	158.4	155.2	149.2	144.4	141.7	141.0	140.7	143.4	153.7	172.4	182.0	181.7	179.2	175.0	170.8	163.8	155.4	147.0	143.3	146.7	153.9	164.2	173.0	175.7	180.4	186.0	189.3	191.4	-9999.0	-9999.0	-9999.0
148	Laptev Sea	116.8	122.6	123.3	122.2	121.5	122.2	124.8	125.0	125.1	123.3	124.0	126.7	132.2	133.8	136.5	133.3	134.4	135.8	131.8	130.7	131.5	135.0	144.2	152.7	155.9	159.0	165.6	169.7	-9999.0	-9999.0	-9999.0
150	East Siberian Sea	114.7	111.3	103.8	98.4	100.1	111.0	119.2	119.5	114.1	110.5	110.0	112.3	116.3	119.1	118.8	118.4	118.7	118.6	117.7	117.4	122.9	129.0	127.1	118.7	122.4	130.3	136.0	144.3	-9999.0	-9999.0	-9999.0
152	Gulf of Alaska	157.6	160.4	162.8	164.4	160.3	156.9	142.2	146.7	160.9	150.8	142.8	147.4	187.6	183.7	156.1	174.8	193.5	183.4	163.7	156.5	166.4	176.5	189.1	223.6	194.2	205.2	202.6	173.8	-9999.0	-9999.0	-9999.0
154	Southeast Bering Sea	194.2	170.2	142.1	134.5	127.9	133.1	135.6	151.6	132.2	124.4	135.2	170.6	208.5	167.9	184.8	214.0	183.8	152.0	138.4	138.2	136.9	137.9	169.6	181.6	170.4	182.2	141.3	160.0	-9999.0	-9999.0	-9999.0