1968 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	138.4	137.9	140.1	142.8	145.7	145.8	148.1	149.4	150.4	149.1	148.2	148.8	149.0	147.0	144.0	142.2	142.5	144.9	149.0	152.7	155.7	156.7	159.0	158.3	159.4	160.5	163.6	166.4	166.0	-9999.0	-9999.0
34	Hudson Bay	147.5	151.0	166.7	168.9	178.6	162.5	159.3	153.6	153.7	157.9	162.0	162.7	165.2	162.5	152.3	136.3	128.6	129.4	134.5	132.8	138.9	151.6	162.9	175.9	182.7	181.1	174.0	173.8	180.9	-9999.0	-9999.0
36	Hudson Strait	130.3	110.8	131.4	157.5	159.6	180.1	168.4	124.9	126.0	164.1	196.0	183.8	171.7	159.8	154.3	156.6	148.2	130.7	138.3	160.3	178.1	160.5	166.8	162.2	160.1	150.9	143.6	139.6	143.1	-9999.0	-9999.0
98	Bering Strait	128.1	123.5	115.5	110.8	114.4	130.2	162.4	183.8	185.2	184.0	177.7	183.1	188.7	195.5	192.5	180.0	164.9	151.7	148.6	149.5	147.4	145.9	146.1	146.7	156.7	174.5	193.2	195.1	186.0	-9999.0	-9999.0
128	Arctic subocean	91.5	95.7	96.4	91.3	93.5	93.9	89.0	96.8	105.0	100.5	100.3	107.5	109.8	103.4	103.6	94.3	111.5	113.4	126.1	140.3	140.0	117.8	110.7	106.3	100.0	95.5	93.1	93.1	98.3	-9999.0	-9999.0
130	Chukchi Sea	148.3	132.9	119.7	120.7	118.7	115.0	118.3	136.2	140.7	148.7	136.7	154.9	178.1	197.9	186.7	169.4	151.3	147.0	133.5	125.7	114.2	103.0	105.8	111.2	122.2	141.2	141.6	156.4	132.5	-9999.0	-9999.0
132	Beaufort Sea	106.1	104.5	101.7	123.4	125.6	150.2	174.6	195.1	210.7	213.4	207.8	196.7	191.4	184.2	166.1	143.8	136.2	131.7	131.7	141.6	161.4	176.2	186.7	183.6	182.2	189.8	212.0	219.2	217.0	-9999.0	-9999.0
134	Arctic Archipelago	96.0	92.5	91.0	86.2	94.0	92.7	96.5	109.7	138.1	150.7	155.0	156.8	151.6	131.6	116.4	112.8	114.5	118.8	123.0	122.1	126.1	140.5	151.0	144.3	134.1	126.0	130.8	155.0	143.9	-9999.0	-9999.0
136	Foxe Basin	107.4	100.9	107.5	118.4	105.0	123.1	124.0	109.3	103.9	115.4	134.7	130.1	123.0	122.5	121.4	141.5	160.3	166.2	162.5	160.1	161.0	155.6	151.1	159.1	141.3	116.4	110.1	121.0	116.1	-9999.0	-9999.0
138	Baffin Bay	82.0	81.3	78.3	76.6	89.3	86.4	95.9	117.4	122.6	101.0	87.9	82.7	85.5	80.9	91.9	106.0	118.6	138.1	155.5	162.1	152.4	127.5	126.6	123.9	109.2	95.3	89.9	79.6	73.8	-9999.0	-9999.0
139	South Greenland	102.5	98.7	93.5	99.8	124.1	128.8	156.7	166.9	155.5	138.0	138.5	141.4	126.1	133.1	154.7	166.0	162.4	162.5	158.4	160.2	157.7	151.3	154.7	137.8	144.9	145.8	126.0	114.3	108.5	-9999.0	-9999.0
140	Greenland Sea	77.8	74.4	75.9	74.5	77.5	82.3	88.0	117.0	127.1	101.8	80.2	82.9	80.8	87.6	102.4	107.5	112.8	121.6	136.1	139.7	140.1	127.7	121.1	114.4	110.5	103.1	100.3	102.8	95.6	-9999.0	-9999.0
142	Norwegian Sea	200.1	196.4	191.1	186.5	188.6	190.7	197.2	204.4	202.5	204.7	206.5	206.0	198.0	186.5	175.5	182.9	183.6	185.6	189.9	192.7	183.8	182.4	190.2	192.9	212.8	225.1	224.4	231.1	226.0	-9999.0	-9999.0
144	Barents Sea	187.4	200.7	199.2	192.6	186.4	179.6	164.7	160.8	167.9	167.3	170.7	177.4	175.3	177.4	173.5	170.5	176.2	170.1	173.9	178.9	176.5	170.1	167.9	164.5	165.2	171.7	173.5	175.1	183.8	-9999.0	-9999.0
146	Kara Sea	151.6	152.9	158.3	161.6	159.6	156.1	151.7	146.9	144.0	142.1	141.9	145.1	144.3	139.3	138.3	142.4	148.4	154.8	161.0	168.9	172.1	170.6	166.6	163.8	166.1	166.0	169.7	175.7	175.6	-9999.0	-9999.0
148	Laptev Sea	146.4	145.7	145.9	148.7	149.8	144.5	135.9	129.8	127.4	124.8	119.2	116.1	123.5	122.8	119.1	119.6	122.3	129.0	137.4	142.4	146.6	152.9	159.4	157.7	153.1	152.4	155.2	152.9	156.5	-9999.0	-9999.0
150	East Siberian Sea	177.9	166.6	156.9	145.3	144.4	143.7	136.6	129.2	114.7	105.3	108.0	110.1	111.7	123.4	134.1	156.4	164.6	169.3	160.9	150.0	138.3	127.6	117.4	120.7	122.7	127.9	137.9	146.2	142.8	-9999.0	-9999.0
152	Gulf of Alaska	121.8	119.7	126.6	129.3	145.0	189.2	222.8	224.9	227.8	227.6	217.7	215.5	218.6	218.7	210.7	200.1	192.9	193.9	198.8	204.7	206.6	204.7	204.5	202.0	209.8	226.7	237.9	230.7	228.6	-9999.0	-9999.0
154	Southeast Bering Sea	135.4	144.1	134.2	124.6	116.5	137.7	186.3	206.9	195.4	192.1	197.3	220.5	235.7	226.3	216.8	203.1	176.4	179.5	182.6	161.8	151.4	139.5	148.5	161.8	200.2	215.6	229.4	221.7	212.5	-9999.0	-9999.0