1975 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	29.8	28.8	29.9	30.2	29.9	31.0	29.5	31.3	30.2	27.4	26.5	26.8	26.6	27.9	28.3	30.4	32.4	30.8	30.7	30.0	29.3	28.8	27.0	25.7	24.8	24.3	23.5	26.3	25.0	24.1	-9999.0
34	Hudson Bay	34.3	24.5	21.6	25.3	26.7	38.2	40.1	38.0	34.2	23.7	21.0	24.4	21.6	24.1	27.0	31.1	34.7	38.3	31.6	27.0	29.5	26.5	21.3	23.1	26.8	23.2	22.6	27.9	29.6	31.1	-9999.0
36	Hudson Strait	58.7	53.0	43.1	19.1	23.2	38.3	36.7	37.8	33.4	30.9	32.6	28.3	41.9	34.1	26.4	50.1	21.9	12.8	28.7	43.2	32.9	34.2	19.1	11.4	9.5	11.9	8.1	28.0	24.3	15.6	-9999.0
98	Bering Strait	37.9	35.7	33.8	35.6	37.5	36.6	36.9	36.7	36.9	43.3	40.9	32.5	31.8	41.1	43.9	32.0	44.3	42.0	36.8	31.4	21.3	19.6	22.0	16.6	21.8	28.9	27.5	26.6	19.5	19.6	-9999.0
128	Arctic subocean	26.1	27.4	34.6	33.8	22.5	17.8	30.4	30.3	20.0	12.8	11.4	3.1	6.4	17.7	18.8	25.3	17.6	15.4	11.0	14.9	21.9	11.2	13.4	17.2	26.9	37.9	30.1	27.8	31.3	30.2	-9999.0
130	Chukchi Sea	30.8	13.3	27.5	46.7	40.7	36.5	25.8	18.5	12.8	10.3	16.5	23.1	38.9	50.5	35.6	36.5	27.3	17.0	18.8	37.3	37.9	24.0	13.4	17.1	18.8	31.0	37.9	33.6	23.7	13.1	-9999.0
132	Beaufort Sea	25.6	32.0	34.3	27.3	20.6	20.8	32.6	26.4	26.6	21.6	18.7	32.3	37.0	32.0	34.0	38.1	27.3	34.3	42.2	40.6	35.7	22.8	25.9	29.3	20.1	20.1	26.8	32.6	18.1	17.4	-9999.0
134	Arctic Archipelago	22.1	25.2	19.7	21.2	17.7	23.9	35.4	35.8	33.4	34.0	34.3	26.1	25.2	22.0	21.5	20.7	29.0	37.3	34.7	25.8	21.6	28.8	28.1	35.4	30.9	23.6	26.4	37.3	36.3	18.8	-9999.0
136	Foxe Basin	23.8	23.1	25.0	24.9	27.8	19.6	12.0	28.1	40.6	51.5	36.2	39.7	15.5	22.3	23.4	31.9	34.1	21.0	16.8	17.1	32.7	35.6	35.6	38.8	12.9	23.2	38.9	39.4	45.4	3.7	-9999.0
138	Baffin Bay	20.8	27.6	31.4	24.6	23.0	18.7	8.6	9.8	7.9	10.9	5.2	8.8	5.8	6.7	6.6	7.1	7.6	13.5	14.1	24.4	34.0	16.5	9.2	20.3	21.9	43.0	32.2	39.6	32.3	39.4	-9999.0
139	South Greenland	34.7	41.8	35.4	34.8	32.2	19.8	18.9	23.7	19.4	14.0	26.4	27.7	24.3	26.0	27.9	28.4	32.7	38.3	32.0	30.3	31.7	27.8	17.3	21.1	19.0	16.0	14.4	24.5	22.8	14.5	-9999.0
140	Greenland Sea	11.3	18.1	15.0	15.2	14.8	12.4	8.0	11.1	14.0	28.6	26.3	11.0	17.3	11.5	12.1	8.3	9.1	9.7	11.9	13.5	12.9	17.3	31.1	14.5	16.3	19.3	22.6	22.0	25.1	13.6	-9999.0
142	Norwegian Sea	39.3	27.0	20.3	35.4	33.2	41.6	42.1	41.9	36.6	31.9	31.2	30.5	25.0	25.3	43.5	18.3	17.4	26.9	29.2	38.5	34.1	40.3	46.3	49.0	37.7	47.6	40.3	43.2	39.8	29.0	-9999.0
144	Barents Sea	33.7	37.2	27.4	27.1	43.0	28.9	24.2	37.9	25.0	34.5	25.0	33.8	42.7	38.6	24.2	35.9	33.5	23.4	22.9	13.2	30.7	36.4	33.2	31.9	29.0	31.0	34.2	30.3	28.1	25.0	-9999.0
146	Kara Sea	24.0	26.4	34.3	32.3	31.0	33.6	28.4	32.9	34.4	27.3	32.7	34.5	30.7	31.3	31.1	30.8	33.3	29.2	35.3	32.1	28.7	31.8	29.3	25.6	24.9	23.1	21.2	22.5	26.2	29.4	-9999.0
148	Laptev Sea	38.6	31.3	31.9	32.2	31.3	31.4	27.5	31.5	27.1	29.2	26.3	21.4	22.4	24.0	26.7	31.7	36.3	29.9	26.0	32.3	32.0	33.5	37.3	30.1	24.0	21.2	18.0	19.8	18.8	21.4	-9999.0
150	East Siberian Sea	20.6	20.4	25.9	38.1	31.6	31.1	33.0	30.0	28.8	22.3	10.2	7.9	7.1	11.3	20.0	27.7	34.2	32.9	24.3	28.6	27.1	34.0	24.4	28.3	30.0	25.2	27.0	26.0	20.8	15.6	-9999.0
152	Gulf of Alaska	54.5	37.0	15.5	23.3	55.3	60.7	44.7	29.1	62.7	59.9	52.9	25.2	20.7	45.5	45.0	39.0	59.7	46.5	30.7	24.3	26.7	17.6	20.7	11.6	39.4	43.3	30.9	31.1	29.4	38.0	-9999.0
154	Southeast Bering Sea	18.2	3.9	21.0	54.7	53.2	45.2	13.3	16.6	41.0	44.4	21.1	20.4	44.0	62.6	45.9	31.2	37.0	19.7	26.6	48.5	29.6	15.3	17.9	19.1	53.2	54.7	27.7	13.1	17.4	23.6	-9999.0