1999 04 - daily  - mean of NCEP mean Daily Cloud Forcing Net 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	28.3	29.3	28.1	28.8	31.6	33.0	29.8	29.6	29.2	30.9	29.4	29.0	30.7	27.7	27.6	29.8	27.6	27.0	26.2	27.4	25.5	26.4	29.2	27.4	26.5	27.4	27.7	27.8	28.7	28.7	-9999.0
34	Hudson Bay	20.3	22.1	22.9	25.4	30.3	33.6	30.2	21.2	24.0	31.1	23.8	15.9	23.0	25.0	28.0	23.9	22.3	26.3	23.8	24.5	18.7	18.5	12.4	21.8	21.0	22.9	26.8	23.0	21.8	18.2	-9999.0
36	Hudson Strait	16.9	15.5	10.5	17.4	11.0	19.4	39.8	54.4	47.8	35.6	12.8	25.7	22.2	28.7	31.9	19.0	33.4	36.8	19.8	21.7	21.4	33.6	44.3	26.1	12.5	11.3	8.5	31.3	38.1	34.6	-9999.0
98	Bering Strait	44.8	41.5	31.5	27.3	35.2	40.7	32.9	28.3	28.6	33.0	33.3	29.0	29.7	27.0	34.5	27.7	32.7	22.1	25.4	34.1	39.4	30.7	37.7	33.3	38.3	37.9	29.8	29.5	27.9	37.4	-9999.0
128	Arctic subocean	25.8	26.4	27.6	21.9	21.1	17.5	15.7	17.3	20.1	20.0	16.4	9.3	10.7	18.1	20.1	12.9	22.2	17.7	19.9	21.3	21.5	34.1	22.1	20.4	16.0	18.2	14.6	13.0	16.1	18.9	-9999.0
130	Chukchi Sea	26.7	46.2	32.2	35.7	39.7	45.0	28.2	20.7	25.6	18.3	14.8	27.0	39.6	21.9	37.6	44.7	43.1	20.6	17.3	23.5	22.8	38.9	31.3	29.9	25.0	21.5	18.4	17.0	29.4	51.6	-9999.0
132	Beaufort Sea	22.9	39.6	27.2	25.9	26.9	35.5	29.8	32.2	33.2	26.7	22.4	37.8	32.6	17.4	18.8	35.8	19.7	16.4	21.6	19.0	16.5	17.3	33.9	22.2	40.9	29.8	26.7	20.4	17.5	20.5	-9999.0
134	Arctic Archipelago	20.4	29.6	34.4	11.8	20.5	31.0	32.3	28.6	15.1	25.5	31.1	26.1	32.0	26.4	12.9	20.2	28.2	24.1	18.9	30.4	24.3	23.7	32.4	28.6	22.6	32.6	24.8	17.6	18.2	18.2	-9999.0
136	Foxe Basin	22.4	28.5	21.5	35.8	18.3	8.1	14.6	42.1	46.2	47.4	32.1	36.5	15.5	32.5	22.8	26.7	12.9	10.2	43.5	30.8	45.3	30.4	23.2	18.1	19.0	10.3	28.6	27.5	22.5	27.6	-9999.0
138	Baffin Bay	33.2	20.0	18.1	18.8	7.1	8.3	6.3	8.6	21.3	21.4	16.0	23.7	25.1	27.3	24.6	17.2	10.6	11.8	22.6	26.0	18.9	32.0	20.1	9.2	10.1	13.1	8.0	23.5	20.9	13.5	-9999.0
139	South Greenland	27.8	14.7	10.1	15.0	19.6	33.9	29.1	20.6	14.8	17.3	20.1	20.2	23.2	25.6	21.2	18.8	17.4	16.6	29.0	34.6	16.1	10.3	7.0	9.2	15.6	20.0	27.3	21.0	22.5	31.2	-9999.0
140	Greenland Sea	25.7	14.2	16.7	15.6	15.1	18.4	11.1	24.1	20.7	15.8	26.3	17.5	8.4	10.0	6.5	5.5	8.0	14.6	13.0	8.1	7.4	17.8	14.9	4.8	4.7	7.2	10.3	8.5	13.8	17.0	-9999.0
142	Norwegian Sea	46.8	34.2	24.6	24.1	33.4	49.3	30.0	39.6	51.4	29.7	24.1	32.1	41.9	36.9	35.8	34.1	12.1	35.1	45.9	25.3	25.1	20.7	21.9	13.7	15.0	22.2	45.8	51.5	38.9	35.3	-9999.0
144	Barents Sea	28.1	35.6	32.2	41.4	34.2	36.8	36.1	41.8	41.1	41.4	27.5	26.7	19.3	15.2	30.8	33.8	31.5	34.5	19.4	28.1	18.6	24.9	33.8	29.5	20.8	15.4	29.4	41.1	45.0	44.1	-9999.0
146	Kara Sea	36.2	33.9	35.6	38.7	39.3	33.2	31.7	33.4	30.7	32.9	38.2	34.5	36.1	30.3	23.6	28.6	25.9	28.8	28.1	27.7	27.8	31.9	34.7	33.7	28.1	29.7	28.7	28.7	29.6	28.9	-9999.0
148	Laptev Sea	22.3	27.4	29.6	27.7	35.5	38.0	32.0	27.7	30.4	30.7	27.0	32.6	42.4	41.0	40.9	42.6	40.9	34.4	29.7	27.4	30.7	31.3	30.4	29.2	31.6	36.7	32.9	36.0	40.9	33.1	-9999.0
150	East Siberian Sea	17.5	18.6	22.0	25.6	31.3	31.7	30.7	37.1	34.4	35.3	33.8	30.9	22.6	21.4	32.8	34.7	37.7	35.0	35.2	39.0	42.9	29.7	41.8	43.4	30.6	32.4	41.0	39.3	35.9	37.5	-9999.0
152	Gulf of Alaska	55.3	37.6	25.6	22.3	42.9	33.1	24.5	16.5	24.6	46.0	49.1	35.0	35.3	42.6	54.4	39.9	31.9	33.8	30.9	42.6	35.9	26.1	43.7	35.3	30.6	29.4	25.6	30.0	24.1	47.8	-9999.0
154	Southeast Bering Sea	54.8	27.7	28.4	34.5	49.6	27.0	10.1	42.2	48.6	54.6	40.0	33.5	27.1	34.7	34.2	56.2	52.6	43.0	36.4	31.3	25.6	21.0	28.4	22.6	17.2	17.0	12.4	10.5	28.1	47.9	-9999.0