1948 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	36.2	33.3	33.4	33.0	32.2	30.4	30.7	34.8	33.6	34.5	35.5	34.9	35.5	32.5	32.0	32.8	33.3	32.3	32.2	28.8	30.2	30.9	31.3	30.2	776.1	774.3	33.0	30.4	30.2	32.4	-9999.0
34	Hudson Bay	43.1	39.3	39.6	40.5	39.7	34.0	30.6	32.8	31.7	34.6	47.8	37.5	35.3	28.9	32.4	24.1	31.1	37.6	31.1	27.6	24.7	28.2	20.8	29.8	745.7	749.4	32.3	24.0	22.4	22.1	-9999.0
36	Hudson Strait	31.2	43.7	50.1	35.7	17.9	49.4	33.4	17.6	17.6	21.0	21.0	51.7	58.3	28.1	41.7	28.8	29.6	20.9	47.2	33.1	32.1	48.8	28.6	18.9	792.0	802.6	15.9	19.1	20.5	25.2	-9999.0
98	Bering Strait	38.8	49.7	34.9	35.7	39.2	41.4	36.9	45.1	43.2	43.8	43.8	31.4	45.9	31.0	27.2	35.8	36.7	25.1	26.2	20.2	30.7	26.6	31.9	32.3	788.4	779.5	46.8	29.0	31.8	27.6	-9999.0
128	Arctic subocean	23.3	22.5	19.7	23.2	10.7	12.8	14.9	13.2	15.0	15.6	14.6	16.5	24.8	27.4	11.1	16.4	10.0	13.7	15.2	18.0	18.2	9.9	13.7	11.5	800.3	800.6	31.7	40.9	31.5	29.8	-9999.0
130	Chukchi Sea	48.4	52.1	45.5	37.5	34.3	29.5	39.7	50.0	38.4	32.9	40.3	43.0	39.0	26.7	11.0	18.8	27.2	33.2	43.1	38.3	20.9	19.8	24.2	38.9	789.8	775.8	41.8	23.6	22.1	15.1	-9999.0
132	Beaufort Sea	41.5	41.9	33.3	28.9	29.4	28.5	25.0	39.5	43.0	41.4	26.2	31.0	29.9	38.7	34.5	43.4	42.9	37.3	31.3	20.1	25.1	38.1	41.2	30.8	778.2	789.8	22.6	29.7	38.0	40.2	-9999.0
134	Arctic Archipelago	25.9	18.8	26.5	21.2	13.8	14.0	22.7	30.0	43.1	41.6	32.9	34.0	25.9	23.7	23.6	28.4	34.9	40.9	35.6	21.7	28.8	22.5	36.9	31.8	788.4	784.5	19.5	19.6	28.6	37.3	-9999.0
136	Foxe Basin	37.3	19.5	19.4	22.6	15.8	25.7	29.0	21.8	42.3	43.4	38.6	30.1	31.3	40.1	37.1	46.3	46.3	30.2	27.9	41.8	36.8	14.6	19.6	10.9	791.7	775.2	49.2	39.4	14.7	34.6	-9999.0
138	Baffin Bay	7.1	8.2	8.8	8.4	12.7	20.3	14.9	9.2	9.8	11.2	12.5	12.9	7.0	6.5	5.7	9.2	14.6	20.2	23.2	11.1	4.4	9.0	8.9	4.6	800.9	800.3	48.7	35.6	23.7	13.2	-9999.0
139	South Greenland	22.2	19.4	15.2	16.7	21.6	20.9	24.9	19.4	21.5	27.1	19.9	13.9	19.4	15.9	15.3	19.4	19.5	29.3	37.5	24.9	25.3	36.0	35.1	32.7	788.7	788.5	31.5	36.2	11.5	15.5	-9999.0
140	Greenland Sea	44.6	20.0	16.8	11.8	8.1	10.0	5.7	6.4	8.2	11.9	18.2	25.4	32.4	40.6	42.0	32.2	12.5	7.2	20.1	11.4	9.8	11.5	14.8	28.6	796.7	795.5	23.4	39.2	25.5	17.1	-9999.0
142	Norwegian Sea	26.7	37.0	29.6	47.1	39.3	51.7	29.5	38.0	49.4	39.2	26.1	45.4	44.6	36.0	41.0	34.8	40.0	32.6	33.5	27.7	35.1	36.8	28.3	39.1	729.0	736.1	37.8	30.2	31.9	22.8	-9999.0
144	Barents Sea	19.4	18.7	37.0	25.4	35.4	29.5	39.6	42.5	31.3	45.0	43.2	18.1	32.7	57.8	49.6	42.9	32.9	28.4	28.9	38.3	32.2	22.5	29.6	32.8	771.7	775.2	41.3	56.1	48.1	37.0	-9999.0
146	Kara Sea	35.4	29.0	31.5	33.8	35.3	32.8	35.8	38.7	37.0	36.1	38.9	44.0	39.3	29.4	28.7	33.8	36.1	34.3	33.9	30.0	34.5	34.2	31.3	29.5	772.1	764.0	32.7	30.7	30.9	31.6	-9999.0
148	Laptev Sea	47.8	44.5	46.3	45.2	33.2	28.0	30.9	34.6	34.1	34.5	32.7	36.2	43.6	46.3	41.5	36.4	33.4	35.5	38.6	42.0	39.5	34.3	39.5	33.1	788.2	788.7	32.1	31.5	35.0	44.9	-9999.0
150	East Siberian Sea	33.0	32.7	32.3	41.6	49.1	38.4	35.1	49.3	30.2	26.7	38.1	39.5	30.4	20.1	40.4	47.9	46.8	30.8	23.5	29.1	35.8	42.6	44.2	44.6	776.7	775.7	41.3	22.6	35.9	54.5	-9999.0
152	Gulf of Alaska	23.3	38.4	18.9	16.9	22.9	31.7	20.1	29.3	34.4	29.8	37.6	21.7	34.8	31.7	34.1	24.7	23.6	16.9	14.0	16.3	16.4	22.0	23.9	19.7	782.3	763.6	39.5	16.7	13.0	17.7	-9999.0
154	Southeast Bering Sea	47.1	40.6	22.6	24.8	31.6	48.8	23.7	32.8	26.8	25.3	34.4	32.6	32.0	31.4	19.6	13.7	10.9	11.8	21.9	19.3	28.4	13.7	16.4	19.6	755.8	727.9	39.2	24.4	33.4	25.2	-9999.0