1970 04 - daily  - mean of NCEP mean Daily Near IR Beam Downward Solar 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	59.0	56.9	59.2	57.4	57.8	62.7	64.3	64.9	64.5	63.9	66.2	67.5	67.9	71.6	73.4	68.6	76.4	81.0	80.1	75.6	71.4	77.4	76.3	73.5	80.3	82.4	82.2	82.6	84.4	85.0	-9999.0
34	Hudson Bay	75.1	68.7	76.3	74.3	70.3	82.6	69.1	72.3	84.0	79.7	83.2	85.4	73.0	72.7	77.6	79.4	108.5	111.2	91.9	56.3	59.6	70.7	77.2	69.1	80.3	86.3	82.2	82.2	83.2	89.0	-9999.0
36	Hudson Strait	45.4	76.4	69.5	68.9	68.7	82.7	91.3	96.8	83.0	57.0	37.7	107.2	102.4	73.3	111.3	132.3	114.6	115.4	123.7	126.6	114.3	100.5	86.3	63.5	51.2	71.9	73.7	99.5	134.6	103.6	-9999.0
98	Bering Strait	56.7	55.5	50.1	48.4	53.4	55.1	67.1	63.3	66.3	63.0	56.2	62.5	45.9	66.9	60.7	52.7	63.9	62.0	75.3	69.7	41.0	52.1	64.9	75.3	82.7	97.2	86.0	86.2	77.3	72.3	-9999.0
128	Arctic subocean	41.5	44.4	45.2	45.9	50.1	55.4	32.9	42.8	36.5	48.0	55.4	62.1	49.3	51.6	53.5	64.5	84.1	91.3	99.9	96.7	97.1	106.4	115.7	117.5	120.3	114.2	107.1	111.9	97.8	101.4	-9999.0
130	Chukchi Sea	44.3	53.2	70.2	74.0	72.1	68.5	76.4	87.1	84.1	78.9	76.9	69.6	69.4	76.6	63.2	28.7	49.7	47.7	55.6	70.4	39.5	63.3	75.6	87.2	107.4	104.3	104.9	118.2	105.9	107.8	-9999.0
132	Beaufort Sea	36.8	63.8	56.6	50.2	54.6	54.9	62.4	69.6	67.3	58.5	56.0	80.4	78.2	94.7	97.2	93.4	90.4	86.8	77.2	88.8	81.9	87.5	86.2	59.4	71.8	75.2	95.0	103.0	95.7	94.9	-9999.0
134	Arctic Archipelago	57.3	54.6	54.2	60.1	58.4	69.5	63.1	61.2	50.9	64.5	69.0	71.8	71.7	74.3	67.1	78.7	82.8	79.3	79.9	92.2	78.5	92.2	91.4	77.0	84.5	79.7	92.3	96.2	105.0	114.3	-9999.0
136	Foxe Basin	59.3	42.1	47.2	60.5	64.4	33.2	45.6	31.7	51.1	76.8	84.3	70.4	87.7	105.6	84.1	56.9	95.0	71.4	57.2	82.9	97.1	70.9	65.7	110.3	116.5	88.3	112.0	129.6	122.1	122.5	-9999.0
138	Baffin Bay	40.4	42.9	57.1	62.2	60.5	45.9	27.5	22.4	32.1	50.1	74.0	79.6	81.5	87.0	70.4	75.9	80.9	88.9	89.6	85.6	89.8	81.7	83.1	86.6	102.3	123.2	128.6	130.1	123.2	112.9	-9999.0
139	South Greenland	61.3	46.3	67.8	56.4	46.3	45.9	58.6	55.3	68.4	78.4	86.7	97.8	92.7	94.0	87.6	92.2	84.8	87.4	91.0	74.6	87.5	96.3	103.2	95.0	91.1	99.3	91.4	77.9	91.3	100.3	-9999.0
140	Greenland Sea	53.0	52.4	40.2	56.1	68.8	57.2	49.4	52.7	54.2	57.0	72.0	84.4	84.6	84.5	86.8	76.4	86.4	73.4	60.0	40.2	90.2	103.2	102.2	93.5	107.3	96.5	61.6	97.2	99.2	94.0	-9999.0
142	Norwegian Sea	39.9	56.5	61.4	61.0	58.9	44.9	69.4	41.7	64.1	80.5	81.1	49.1	71.4	63.3	42.8	27.0	25.1	50.3	36.2	49.1	64.5	70.3	57.0	36.5	42.5	61.3	55.0	55.3	48.7	49.6	-9999.0
144	Barents Sea	55.6	36.6	41.4	45.0	43.9	36.1	47.6	55.5	45.0	46.1	68.8	52.3	70.7	72.0	79.2	62.3	54.6	60.2	95.9	101.6	74.0	60.0	78.8	89.6	90.5	77.0	64.2	51.3	66.3	77.7	-9999.0
146	Kara Sea	55.0	53.3	63.9	57.1	57.8	69.7	74.1	75.8	66.1	60.1	61.0	59.9	64.9	66.7	64.3	55.7	72.8	84.1	79.4	73.6	77.0	85.2	70.7	65.7	79.0	83.6	90.4	77.1	78.8	77.5	-9999.0
148	Laptev Sea	72.4	61.5	46.9	51.0	53.3	58.7	57.7	53.5	62.8	65.4	59.4	50.8	55.5	58.0	70.7	57.3	44.8	56.8	70.9	84.2	65.3	65.4	61.2	73.4	69.6	62.7	59.4	71.6	83.4	77.0	-9999.0
150	East Siberian Sea	59.7	61.4	61.0	55.7	55.1	49.8	57.9	55.1	46.6	56.8	64.9	66.8	67.0	58.3	78.8	91.2	98.1	83.9	64.7	63.3	58.9	70.8	78.0	69.8	67.7	79.7	69.3	89.4	64.3	76.5	-9999.0
152	Gulf of Alaska	87.7	45.7	34.4	40.1	51.4	67.1	78.3	70.0	68.9	71.1	74.1	36.3	20.1	55.3	47.1	33.7	50.7	70.8	88.0	54.8	33.4	60.4	73.6	91.6	105.9	99.9	46.7	46.7	46.9	50.9	-9999.0
154	Southeast Bering Sea	64.7	74.8	90.3	84.9	81.3	86.0	92.8	98.6	92.9	81.9	70.9	21.4	53.6	89.8	41.8	29.1	47.6	69.0	56.3	18.3	42.6	57.8	79.5	102.5	87.7	58.4	60.4	47.0	44.3	62.0	-9999.0