1951 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	136.9	134.4	134.3	136.8	137.7	139.5	138.7	137.4	139.3	139.6	133.9	130.8	130.2	134.4	139.4	142.8	145.2	143.4	139.0	136.0	136.0	134.9	134.7	136.4	137.2	137.7	133.8	138.0	-9999.0	-9999.0	-9999.0
34	Hudson Bay	139.5	144.1	146.8	143.1	133.8	130.9	130.5	125.4	139.8	157.2	145.4	128.3	132.4	163.4	188.8	193.6	196.5	206.6	204.1	197.1	188.2	170.8	170.9	190.1	192.9	179.8	161.8	156.7	-9999.0	-9999.0	-9999.0
36	Hudson Strait	113.8	123.3	129.5	120.0	108.8	96.4	123.6	157.7	134.3	106.4	119.7	118.3	123.9	103.8	136.8	170.7	163.7	157.1	195.2	209.3	195.3	186.9	145.7	146.6	175.2	136.4	113.0	114.3	-9999.0	-9999.0	-9999.0
98	Bering Strait	160.4	137.2	126.2	130.2	134.7	140.4	141.4	137.7	131.1	143.0	171.2	184.9	181.4	167.0	158.4	162.0	147.4	146.2	140.2	135.4	171.8	176.0	163.5	135.7	139.4	150.2	135.0	137.3	-9999.0	-9999.0	-9999.0
128	Arctic subocean	112.1	107.1	119.8	123.4	112.7	102.0	108.6	109.5	102.3	123.2	118.5	95.4	84.6	82.8	83.7	88.9	95.4	93.4	81.9	78.5	81.8	91.8	95.3	96.4	84.2	80.8	98.6	110.2	-9999.0	-9999.0	-9999.0
130	Chukchi Sea	154.1	135.2	131.0	138.5	147.8	143.2	136.2	122.7	118.9	138.7	173.1	182.8	161.4	133.5	131.3	133.0	120.5	106.8	106.8	116.2	152.0	171.2	144.2	125.9	160.0	146.5	110.9	114.1	-9999.0	-9999.0	-9999.0
132	Beaufort Sea	144.6	135.5	126.6	122.9	126.0	123.2	122.6	136.6	148.1	127.9	125.4	143.3	172.0	177.1	172.5	170.6	178.4	167.3	164.7	159.9	159.4	180.4	189.6	177.4	161.4	164.9	164.0	158.8	-9999.0	-9999.0	-9999.0
134	Arctic Archipelago	107.1	98.4	101.4	111.1	110.6	105.8	96.9	99.4	107.5	112.3	96.5	91.5	103.0	118.4	100.0	97.2	107.9	113.7	115.3	126.5	108.1	103.2	105.6	114.4	110.0	116.1	133.6	149.6	-9999.0	-9999.0	-9999.0
136	Foxe Basin	103.4	100.4	97.7	102.8	102.1	96.8	90.0	99.7	121.2	127.1	103.0	95.3	100.0	95.6	104.6	94.7	92.1	113.9	128.6	122.9	136.3	125.7	96.3	104.9	107.5	104.9	106.0	117.7	-9999.0	-9999.0	-9999.0
138	Baffin Bay	90.4	87.8	86.1	84.7	80.5	90.8	109.0	111.3	112.8	144.0	92.8	77.6	77.7	83.8	91.0	97.6	95.8	78.2	71.1	71.2	79.1	96.4	108.2	90.8	66.6	65.8	66.7	83.5	-9999.0	-9999.0	-9999.0
139	South Greenland	114.1	103.0	99.6	97.0	99.2	125.4	135.4	133.1	162.2	149.4	108.6	107.0	101.8	109.9	113.9	132.4	133.7	128.0	125.5	110.0	104.3	106.5	125.8	128.3	120.9	132.0	111.8	118.7	-9999.0	-9999.0	-9999.0
140	Greenland Sea	105.2	109.0	108.2	102.0	107.3	124.7	137.7	133.9	124.7	149.0	115.7	90.3	74.7	74.2	79.8	103.5	120.5	116.6	95.9	77.4	76.0	72.4	87.4	107.0	86.0	68.5	68.8	85.8	-9999.0	-9999.0	-9999.0
142	Norwegian Sea	211.2	227.2	215.8	199.1	203.0	206.1	209.0	209.4	215.5	222.2	214.4	206.6	197.2	188.8	193.8	196.3	191.9	196.0	202.0	206.7	205.5	208.0	199.9	199.3	204.3	199.4	203.6	217.2	-9999.0	-9999.0	-9999.0
144	Barents Sea	184.2	191.7	205.5	202.5	191.1	192.7	188.4	186.2	177.0	169.4	179.4	165.6	144.2	147.2	151.5	141.6	148.2	155.2	164.7	164.7	169.7	175.3	174.0	178.6	186.5	188.9	180.5	182.3	-9999.0	-9999.0	-9999.0
146	Kara Sea	138.7	139.4	144.1	155.3	161.8	161.2	155.2	149.9	143.6	133.7	126.6	125.0	119.2	120.8	130.4	135.8	142.1	132.7	120.4	119.6	118.6	115.5	116.5	120.0	124.9	134.6	142.6	148.6	-9999.0	-9999.0	-9999.0
148	Laptev Sea	111.7	114.2	115.5	121.3	127.6	131.8	128.0	122.5	123.3	125.7	127.3	129.0	126.6	121.2	116.8	117.9	120.0	123.7	118.9	108.4	106.4	104.6	108.6	114.4	115.6	108.5	104.5	113.5	-9999.0	-9999.0	-9999.0
150	East Siberian Sea	168.6	155.2	142.9	132.9	128.9	126.6	132.5	140.6	143.9	145.5	143.2	133.5	129.1	132.9	131.0	124.9	117.5	118.9	124.6	127.9	123.7	115.8	100.6	96.6	99.0	97.5	85.1	77.9	-9999.0	-9999.0	-9999.0
152	Gulf of Alaska	202.4	180.6	154.6	158.1	148.8	156.9	159.0	154.9	149.0	171.2	195.6	196.4	196.2	199.1	201.8	206.5	192.4	196.8	185.6	181.0	210.4	205.6	190.2	161.6	160.2	185.1	170.3	179.2	-9999.0	-9999.0	-9999.0
154	Southeast Bering Sea	216.2	196.3	164.9	151.0	160.0	190.5	188.8	165.1	166.3	205.9	221.0	214.0	218.4	215.7	214.9	203.9	177.6	170.4	145.0	192.6	211.4	217.8	175.9	152.7	197.2	195.6	177.0	198.6	-9999.0	-9999.0	-9999.0