1958 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	147.8	149.6	152.4	151.8	149.2	148.4	146.8	147.8	151.2	152.8	151.9	149.3	144.2	138.5	137.7	141.8	145.2	146.7	147.6	149.7	150.7	155.5	155.5	151.9	152.2	151.0	150.0	152.9	-9999.0	-9999.0	-9999.0
34	Hudson Bay	159.1	156.4	166.8	166.2	156.8	149.3	144.7	144.5	149.8	155.8	158.4	152.2	139.5	128.6	124.7	133.4	145.1	160.6	169.1	168.8	161.6	169.3	180.2	172.1	176.0	181.9	168.3	173.0	-9999.0	-9999.0	-9999.0
36	Hudson Strait	149.3	156.5	199.3	212.9	204.1	197.8	210.6	190.7	205.4	201.4	184.9	180.3	164.4	143.8	143.9	144.4	169.9	194.5	189.6	144.3	103.1	107.5	111.1	117.7	130.3	141.9	147.6	124.4	-9999.0	-9999.0	-9999.0
98	Bering Strait	159.4	157.3	170.6	173.2	155.3	158.9	156.9	159.6	159.6	155.3	157.8	159.6	162.3	157.9	153.1	156.9	147.0	137.4	141.2	159.0	170.6	168.7	163.8	158.5	150.8	151.5	154.3	171.2	-9999.0	-9999.0	-9999.0
128	Arctic subocean	112.6	114.3	112.5	99.8	105.1	107.3	111.6	106.0	102.8	108.9	100.1	89.1	81.9	84.8	87.5	95.4	104.1	105.2	90.3	98.8	127.3	134.2	153.5	150.6	144.9	145.4	135.7	132.0	-9999.0	-9999.0	-9999.0
130	Chukchi Sea	155.4	164.1	184.9	150.1	147.0	156.5	179.7	182.0	177.7	158.6	156.2	160.6	157.0	149.6	148.7	148.7	140.8	138.4	139.3	136.1	143.8	153.2	160.3	164.5	153.8	140.4	139.8	150.9	-9999.0	-9999.0	-9999.0
132	Beaufort Sea	150.3	156.8	150.0	152.4	148.8	139.4	132.2	140.1	144.1	143.1	142.9	143.6	135.1	136.6	144.0	144.2	138.0	135.8	144.2	153.7	169.0	184.3	171.5	161.0	153.2	139.9	155.2	162.5	-9999.0	-9999.0	-9999.0
134	Arctic Archipelago	123.7	120.7	119.3	119.4	130.4	142.7	133.8	121.6	122.6	119.5	116.7	111.7	113.4	118.2	113.8	102.9	98.2	97.1	90.3	106.0	113.5	115.8	120.5	117.0	111.1	111.6	115.5	118.9	-9999.0	-9999.0	-9999.0
136	Foxe Basin	105.4	113.0	129.2	156.6	195.8	213.5	200.8	200.2	179.4	182.2	155.0	125.5	109.2	102.9	113.1	131.7	121.3	131.2	132.1	114.5	114.0	129.4	128.0	106.5	105.7	102.2	106.0	117.9	-9999.0	-9999.0	-9999.0
138	Baffin Bay	102.6	97.2	88.7	95.4	109.6	136.7	155.6	148.0	145.8	137.3	107.7	88.2	77.7	69.7	74.4	100.7	126.5	102.9	96.8	131.6	145.8	153.4	161.3	144.1	152.4	139.6	120.4	114.6	-9999.0	-9999.0	-9999.0
139	South Greenland	122.6	116.9	123.7	134.3	143.9	155.1	164.2	159.2	149.6	153.8	141.1	130.3	125.4	119.8	131.8	157.5	175.1	175.7	166.3	158.7	151.2	162.2	150.9	156.7	160.7	142.8	130.3	132.9	-9999.0	-9999.0	-9999.0
140	Greenland Sea	113.3	116.2	109.7	99.0	82.9	85.0	118.1	121.5	105.8	110.9	91.7	83.0	75.8	68.9	85.9	102.1	114.7	110.5	90.5	109.7	128.7	131.2	142.9	148.7	146.0	142.5	139.3	139.7	-9999.0	-9999.0	-9999.0
142	Norwegian Sea	241.7	220.7	204.0	185.1	166.6	165.1	167.3	164.2	166.8	167.3	183.7	206.7	215.0	227.4	211.2	199.9	190.6	190.6	188.4	187.7	187.7	182.2	171.2	166.2	164.9	168.9	185.2	197.3	-9999.0	-9999.0	-9999.0
144	Barents Sea	187.2	203.5	194.2	175.5	163.8	160.5	164.2	159.1	156.3	149.3	143.9	143.4	153.7	163.9	171.7	174.3	176.0	184.1	188.8	181.9	178.6	173.8	177.8	179.9	192.5	193.4	189.7	191.9	-9999.0	-9999.0	-9999.0
146	Kara Sea	164.2	165.8	166.0	168.5	165.5	160.2	159.2	166.6	171.8	168.5	166.3	166.2	152.9	140.7	140.3	148.4	154.5	157.5	160.1	159.6	158.0	164.2	164.3	162.5	162.3	162.1	163.4	164.3	-9999.0	-9999.0	-9999.0
148	Laptev Sea	122.1	129.1	134.4	128.2	126.7	123.7	112.2	111.7	121.9	136.1	148.8	147.5	154.8	152.6	141.6	132.7	129.4	126.1	123.3	121.5	122.5	125.2	122.6	119.0	118.2	122.2	121.9	119.6	-9999.0	-9999.0	-9999.0
150	East Siberian Sea	115.3	108.3	106.4	111.5	116.6	132.8	138.1	139.2	143.9	149.1	148.7	152.0	152.7	150.8	147.1	139.6	136.0	133.5	131.9	131.3	128.9	123.4	117.0	116.7	123.9	117.8	119.2	127.1	-9999.0	-9999.0	-9999.0
152	Gulf of Alaska	184.7	187.8	195.4	201.1	197.9	185.6	161.9	165.5	182.9	192.4	198.2	192.5	198.8	189.4	185.7	198.6	186.8	176.2	188.5	217.6	216.1	210.1	202.9	196.9	198.2	203.3	206.6	214.0	-9999.0	-9999.0	-9999.0
154	Southeast Bering Sea	215.2	223.4	227.8	201.5	206.8	208.2	184.6	170.0	172.4	189.9	208.6	208.3	216.2	208.6	196.3	197.6	204.7	194.7	173.6	186.1	207.1	198.5	199.1	196.7	183.5	177.8	187.0	210.0	-9999.0	-9999.0	-9999.0