1981 04 - daily  - mean of NCEP mean Daily Downward Solar Radiation 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	85.7	81.1	79.5	77.9	73.8	71.8	71.9	71.7	66.5	67.0	62.6	63.0	61.4	58.6	56.1	54.9	53.6	52.4	49.9	49.3	50.2	47.0	44.7	42.1	43.0	40.6	39.0	37.1	36.5	35.8	-9999.0
34	Hudson Bay	100.1	89.5	87.1	93.5	90.8	100.7	105.1	101.6	89.5	88.0	85.3	82.2	83.6	76.4	71.4	72.4	72.7	80.1	78.4	70.4	73.2	66.5	61.0	60.3	64.2	60.6	51.0	48.9	55.8	64.8	-9999.0
36	Hudson Strait	89.0	78.7	86.7	89.5	65.5	72.7	87.0	70.7	78.3	103.2	112.6	93.3	78.0	86.6	69.9	74.0	58.6	62.7	67.6	56.8	70.0	69.9	55.0	62.9	70.8	53.8	44.3	48.9	53.1	33.7	-9999.0
98	Bering Strait	66.3	73.2	72.1	72.8	67.5	69.6	70.1	70.4	66.0	60.3	60.9	52.2	46.1	43.5	47.3	43.4	41.5	43.8	40.8	39.1	43.7	33.8	35.3	34.6	35.9	31.2	35.3	30.7	26.9	25.6	-9999.0
128	Arctic subocean	18.5	16.3	14.4	12.7	10.9	9.8	7.7	6.2	5.6	4.4	4.3	3.4	2.7	2.2	1.8	1.4	1.6	1.0	1.2	0.9	0.7	0.5	0.4	0.4	0.2	0.1	0.2	0.3	0.0	-0.1	-9999.0
130	Chukchi Sea	67.7	64.4	51.7	49.7	44.0	42.2	45.3	47.2	49.2	43.2	45.4	40.5	41.1	32.1	30.8	35.8	34.9	29.0	32.8	25.0	30.7	27.1	24.3	25.7	23.0	25.0	24.2	19.7	18.1	14.2	-9999.0
132	Beaufort Sea	77.3	74.2	72.0	74.4	74.5	80.8	85.1	69.0	54.6	54.7	51.7	60.1	66.1	57.4	60.3	62.6	60.8	52.4	58.3	44.2	42.3	52.9	40.5	42.4	40.2	32.1	36.5	38.8	38.0	38.7	-9999.0
134	Arctic Archipelago	58.4	57.6	54.9	59.8	55.0	49.6	46.1	43.0	41.1	28.7	32.9	36.4	29.3	27.4	26.4	27.0	27.4	23.6	24.4	20.0	21.5	19.7	20.1	14.7	12.9	14.8	9.7	7.7	10.8	9.5	-9999.0
136	Foxe Basin	50.8	46.9	30.2	34.6	51.1	61.1	54.9	44.9	62.3	60.7	43.6	24.8	33.7	32.9	27.0	27.3	25.7	26.7	29.6	39.5	27.0	34.4	27.8	27.0	17.9	18.0	26.2	20.7	21.9	18.9	-9999.0
138	Baffin Bay	40.1	37.2	35.4	32.9	27.6	25.9	22.3	21.5	18.9	20.4	18.8	14.6	15.6	13.6	12.3	10.3	8.2	8.1	7.6	8.3	6.7	5.8	5.1	4.9	3.6	3.1	3.1	2.7	2.5	2.2	-9999.0
139	South Greenland	79.7	74.4	65.2	60.6	61.7	51.1	53.1	58.0	48.7	43.6	47.9	51.8	47.7	48.5	45.2	35.0	29.0	30.9	27.2	34.6	33.2	29.6	21.4	24.4	26.7	25.9	22.3	25.6	24.4	23.9	-9999.0
140	Greenland Sea	40.1	33.7	30.8	30.5	23.8	25.2	22.4	20.5	16.4	14.0	14.4	14.1	12.2	12.5	11.3	9.7	8.0	6.6	5.8	5.1	3.8	3.3	3.1	2.7	2.4	1.8	1.6	1.4	1.3	1.0	-9999.0
142	Norwegian Sea	49.2	51.0	53.8	49.0	71.4	61.5	55.0	60.1	55.4	74.9	60.0	47.0	50.9	37.8	47.0	41.8	36.1	44.6	48.0	41.6	40.7	40.7	47.4	34.4	21.6	21.9	31.3	32.1	32.8	29.7	-9999.0
144	Barents Sea	72.0	71.5	81.4	77.3	71.0	74.6	69.0	68.7	64.6	63.5	54.8	56.0	57.8	52.9	48.1	46.8	47.6	34.0	36.2	39.4	34.0	33.0	28.0	31.6	33.2	36.6	19.1	30.0	28.4	27.2	-9999.0
146	Kara Sea	105.6	101.4	99.9	92.3	84.8	79.8	76.7	82.6	84.2	88.4	78.0	79.0	69.0	73.0	69.3	68.5	64.4	64.3	57.0	65.1	67.5	61.1	58.8	51.6	58.1	57.4	61.0	53.0	47.6	44.3	-9999.0
148	Laptev Sea	89.4	80.6	77.9	80.5	74.5	65.7	68.0	68.5	58.6	61.5	53.9	59.7	72.7	58.1	57.2	56.3	61.8	55.9	51.5	47.7	46.1	45.6	53.0	47.7	37.0	34.8	32.6	32.7	36.1	33.3	-9999.0
150	East Siberian Sea	84.9	75.7	77.4	66.4	75.4	59.5	62.5	63.7	54.4	55.0	52.4	49.5	45.3	54.3	50.0	45.9	40.0	38.0	40.3	41.5	40.9	37.3	30.4	31.1	35.6	28.9	24.2	22.3	18.0	22.0	-9999.0
152	Gulf of Alaska	57.1	87.9	93.6	88.9	76.4	70.1	69.4	77.9	73.3	68.7	82.7	79.2	57.7	59.7	68.0	53.7	49.6	63.9	51.3	52.8	59.4	39.2	49.7	48.7	40.9	44.3	55.2	53.5	45.6	38.7	-9999.0
154	Southeast Bering Sea	101.3	101.3	93.8	84.0	85.7	83.3	67.4	90.6	88.8	75.8	87.0	84.1	75.1	70.1	47.8	45.3	62.4	68.1	50.7	46.4	60.1	44.9	54.3	43.3	59.1	53.5	50.0	48.4	40.1	30.3	-9999.0