1970 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	84.3	81.4	81.3	80.1	77.8	78.3	73.7	70.3	69.4	68.4	66.1	62.9	59.4	59.1	59.0	56.6	55.9	53.4	52.9	50.0	48.3	46.5	44.4	43.6	41.7	40.9	38.5	38.5	37.6	37.5	-9999.0
34	Hudson Bay	94.1	100.9	107.5	99.2	89.6	103.2	84.4	90.0	91.6	95.7	96.1	87.9	82.8	82.3	68.7	74.1	79.5	83.6	93.5	88.8	75.3	58.8	55.7	59.7	58.0	66.5	60.3	64.2	59.3	63.4	-9999.0
36	Hudson Strait	101.4	95.0	86.2	77.6	101.5	80.0	82.4	66.6	69.7	91.7	79.6	87.2	81.1	82.5	67.2	70.6	84.0	65.1	63.9	75.7	75.2	73.6	61.5	38.8	44.3	53.4	48.7	64.4	47.5	48.9	-9999.0
98	Bering Strait	74.0	66.8	63.9	70.5	60.5	64.5	64.8	60.6	54.1	57.3	56.5	51.6	53.2	54.1	52.8	50.2	44.5	38.2	40.7	40.9	40.0	42.6	39.6	38.6	32.3	26.5	30.9	28.3	30.1	28.3	-9999.0
128	Arctic subocean	19.4	16.4	13.8	13.0	10.9	9.6	7.4	6.6	5.6	5.0	4.3	3.6	3.0	2.4	2.0	1.7	1.2	1.0	1.0	0.8	0.6	0.2	0.4	0.2	0.1	0.1	0.1	0.3	0.3	-0.0	-9999.0
130	Chukchi Sea	56.5	50.8	60.5	52.8	52.2	46.9	46.5	51.4	45.1	54.6	48.1	45.9	42.0	38.5	39.9	31.4	31.2	29.9	30.7	32.6	35.1	25.4	28.0	30.3	29.2	24.9	20.4	17.5	18.4	18.1	-9999.0
132	Beaufort Sea	86.0	91.8	77.5	79.8	82.4	79.1	71.0	75.7	73.9	59.9	54.3	65.3	44.8	51.0	56.7	52.1	59.5	59.6	54.2	41.5	31.7	40.5	52.2	51.7	42.5	34.0	31.9	30.6	36.9	34.9	-9999.0
134	Arctic Archipelago	58.4	56.7	56.2	59.3	51.0	49.0	45.9	46.6	42.1	41.2	38.3	35.6	30.5	25.0	31.3	32.9	27.4	25.9	26.8	24.4	19.7	13.7	14.4	14.9	16.0	12.9	15.9	13.6	13.5	11.0	-9999.0
136	Foxe Basin	60.5	55.5	53.8	51.9	42.0	33.5	43.5	58.6	59.8	52.2	51.0	46.2	49.6	45.8	36.2	37.3	34.8	33.1	38.6	34.7	32.0	28.6	20.8	22.9	19.1	17.2	23.7	21.6	19.2	18.8	-9999.0
138	Baffin Bay	42.0	37.7	36.2	31.1	29.7	26.1	24.5	23.2	21.6	19.9	17.2	16.2	14.8	14.7	12.5	10.9	9.9	9.5	8.7	6.9	6.8	5.8	5.4	4.8	3.6	3.1	2.8	2.5	2.5	2.1	-9999.0
139	South Greenland	81.8	71.4	74.5	70.6	71.9	62.4	58.7	56.9	49.8	49.9	47.9	44.2	46.9	46.1	46.0	41.4	44.2	38.6	38.2	33.3	33.4	37.5	28.4	32.6	28.4	27.8	25.8	22.8	21.7	20.1	-9999.0
140	Greenland Sea	42.3	38.3	35.2	33.3	30.5	27.2	23.7	21.4	19.6	17.7	16.7	14.7	12.7	11.7	10.8	10.0	8.7	7.2	5.6	5.3	5.1	4.4	3.6	3.1	2.5	2.1	1.9	1.6	1.4	1.0	-9999.0
142	Norwegian Sea	81.4	89.0	85.5	56.9	64.5	66.5	66.7	64.4	66.0	72.8	62.9	49.8	43.2	49.8	51.9	42.6	36.0	33.9	39.1	24.7	33.3	42.1	34.3	24.4	21.9	32.9	28.5	34.5	24.6	30.0	-9999.0
144	Barents Sea	69.7	68.4	68.5	59.4	69.6	75.9	57.5	54.1	61.1	53.0	50.4	62.7	53.2	44.9	46.8	53.6	52.7	42.8	40.7	40.4	41.7	37.2	39.7	37.4	31.1	28.9	29.5	25.0	30.9	32.3	-9999.0
146	Kara Sea	97.7	91.2	92.1	90.5	92.7	92.4	93.4	83.0	80.4	78.5	79.3	73.8	71.3	75.0	77.3	70.3	67.9	61.2	56.9	54.6	57.3	59.3	55.4	57.0	57.3	53.4	53.1	53.1	47.9	47.9	-9999.0
148	Laptev Sea	94.0	90.7	88.4	92.3	83.5	80.6	78.2	70.8	76.1	78.4	67.6	57.7	58.8	55.8	59.5	57.2	53.9	55.1	51.1	51.2	54.3	48.6	44.3	38.7	40.1	41.8	34.2	33.7	37.1	35.1	-9999.0
150	East Siberian Sea	65.1	59.1	63.3	71.6	70.6	67.3	69.4	70.3	61.9	60.7	58.3	62.9	59.6	53.0	57.0	52.8	43.9	46.4	47.9	43.5	40.7	42.4	42.2	37.0	30.3	29.0	25.3	21.9	22.9	25.7	-9999.0
152	Gulf of Alaska	96.8	82.6	83.8	94.2	67.7	87.5	84.7	77.0	62.1	55.7	81.7	51.1	72.1	63.1	60.5	62.4	45.3	46.5	57.5	55.4	53.5	68.4	51.8	44.4	34.6	43.8	41.3	46.7	47.0	41.1	-9999.0
154	Southeast Bering Sea	82.7	71.3	100.6	74.4	68.4	75.0	59.8	57.7	69.0	65.8	80.7	79.4	81.1	66.7	66.6	46.7	51.8	57.2	64.0	59.7	65.4	59.0	57.2	40.2	50.6	46.9	36.2	48.4	51.7	44.6	-9999.0