1948 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	142.8	141.5	140.1	142.3	144.3	143.6	142.0	142.1	143.6	141.2	140.0	139.4	136.3	135.1	137.7	139.8	137.5	133.2	135.3	140.3	145.4	151.2	151.5	148.7	146.6	145.8	146.7	146.3	144.1	-9999.0	-9999.0
34	Hudson Bay	163.4	137.8	128.4	134.7	131.2	130.0	127.1	126.8	126.7	134.4	140.1	152.2	158.2	138.2	139.7	169.1	165.4	149.0	141.5	132.6	137.2	156.8	173.0	180.2	182.5	176.8	174.0	160.0	150.5	-9999.0	-9999.0
36	Hudson Strait	138.7	154.0	119.3	102.2	109.9	116.4	115.3	112.7	104.5	100.1	120.0	109.7	100.8	132.3	125.9	125.2	139.9	142.2	130.4	145.5	139.3	127.0	131.3	147.0	163.4	143.2	121.7	113.2	114.6	-9999.0	-9999.0
98	Bering Strait	174.8	176.2	152.7	170.7	186.3	168.3	156.1	155.9	170.4	170.4	165.8	153.1	135.1	137.0	130.2	123.7	132.4	134.7	139.2	143.8	142.7	141.2	143.4	148.7	144.8	147.8	148.2	147.0	143.8	-9999.0	-9999.0
128	Arctic subocean	90.1	94.1	101.4	103.3	99.0	95.2	94.8	109.9	113.4	109.9	107.6	101.3	114.7	115.7	110.6	114.4	112.2	99.2	91.3	110.1	119.3	113.1	113.4	97.0	86.6	73.2	77.5	82.1	80.5	-9999.0	-9999.0
130	Chukchi Sea	190.8	158.6	160.5	172.1	175.4	167.5	183.4	176.8	184.5	175.8	158.2	140.7	142.8	155.4	151.4	146.9	144.3	149.0	159.8	141.7	134.2	141.1	142.4	139.2	124.9	128.5	138.4	140.9	137.0	-9999.0	-9999.0
132	Beaufort Sea	144.5	152.0	165.8	147.0	149.4	139.9	127.7	123.8	141.3	160.7	161.4	161.8	137.4	124.9	132.1	123.1	113.1	119.1	123.0	131.4	152.4	155.9	146.0	151.1	161.8	158.5	143.7	132.5	129.2	-9999.0	-9999.0
134	Arctic Archipelago	102.7	102.7	107.8	115.9	107.7	98.5	92.8	100.0	120.6	108.6	117.1	109.4	97.9	107.4	106.5	102.8	100.2	103.0	107.5	117.3	123.8	124.2	117.6	112.6	111.1	108.4	106.0	112.2	90.5	-9999.0	-9999.0
136	Foxe Basin	120.0	108.9	114.5	117.3	116.6	116.7	113.6	106.9	104.3	105.0	111.2	107.1	107.2	103.4	106.8	105.0	107.1	108.2	132.9	130.9	134.6	134.1	126.9	126.7	118.3	105.0	100.0	100.6	106.1	-9999.0	-9999.0
138	Baffin Bay	82.6	93.1	102.3	100.5	96.5	88.1	94.1	100.7	100.6	94.6	88.3	86.2	86.8	87.0	107.7	114.8	108.2	87.8	93.0	128.4	122.2	132.0	117.3	81.8	73.7	74.0	81.5	100.3	81.8	-9999.0	-9999.0
139	South Greenland	137.3	141.5	136.0	124.7	124.0	118.4	113.5	114.1	105.4	107.0	112.8	103.8	103.6	123.6	151.7	148.1	135.3	122.8	154.7	157.6	169.7	170.1	148.6	118.9	106.2	115.0	136.5	139.8	133.8	-9999.0	-9999.0
140	Greenland Sea	98.0	117.6	122.3	114.5	114.1	116.6	119.9	133.9	124.1	110.6	101.7	111.4	114.8	103.1	120.1	128.9	130.4	107.8	93.9	126.7	125.8	130.8	133.9	104.7	72.1	69.8	80.1	108.2	100.3	-9999.0	-9999.0
142	Norwegian Sea	220.8	215.1	218.8	211.9	206.5	206.7	206.9	208.4	200.7	203.1	208.0	202.7	209.7	209.4	202.5	195.3	201.1	206.3	213.0	214.8	214.6	212.6	199.2	218.0	218.0	216.4	217.2	213.9	223.7	-9999.0	-9999.0
144	Barents Sea	210.1	210.0	202.8	191.0	176.4	171.3	165.1	161.2	166.1	165.2	163.4	166.9	166.3	161.7	160.2	161.1	164.9	162.8	171.4	177.6	166.4	165.8	174.5	165.4	173.2	184.3	179.8	163.1	177.0	-9999.0	-9999.0
146	Kara Sea	148.9	154.0	158.2	161.4	162.9	166.9	172.9	175.6	170.9	157.1	147.1	145.4	145.5	147.5	150.0	146.8	139.1	135.1	142.1	152.2	158.8	163.7	155.8	151.7	150.5	152.8	160.8	165.8	165.8	-9999.0	-9999.0
148	Laptev Sea	112.3	108.8	108.8	115.2	124.3	129.2	127.6	128.3	128.0	128.5	126.6	121.5	120.0	119.8	117.7	117.1	120.3	122.4	117.8	117.0	123.7	136.1	148.0	147.0	132.9	131.6	131.7	134.1	138.3	-9999.0	-9999.0
150	East Siberian Sea	102.9	98.4	96.4	115.6	133.1	152.0	149.0	134.5	128.6	120.0	129.4	146.7	153.5	161.3	161.9	167.7	174.5	166.4	147.7	142.6	145.3	140.7	142.4	145.1	155.7	146.0	139.4	139.9	140.1	-9999.0	-9999.0
152	Gulf of Alaska	204.6	215.7	173.1	183.4	197.7	180.3	161.4	151.3	164.3	174.3	197.1	183.9	150.4	141.8	131.0	125.2	137.0	146.8	157.5	157.8	163.1	162.4	173.4	191.5	192.7	184.7	174.2	173.4	178.4	-9999.0	-9999.0
154	Southeast Bering Sea	213.2	201.7	184.5	224.0	211.4	185.6	178.3	179.5	198.9	200.3	193.6	168.5	148.7	155.3	150.1	145.1	149.9	146.5	157.5	162.1	147.1	145.4	167.6	166.0	160.1	166.6	165.7	178.9	177.1	-9999.0	-9999.0