1970 04 - daily  - mean of NCEP mean Daily Clear Sky 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	124.8	121.9	119.3	116.3	112.9	109.7	106.8	103.6	100.9	98.4	95.5	92.4	90.0	87.9	85.1	82.6	80.3	77.6	75.1	72.7	70.6	68.7	66.7	64.8	62.7	60.6	58.6	56.8	55.1	53.3	-9999.0
34	Hudson Bay	166.7	163.3	161.4	157.6	154.4	151.2	147.6	146.3	144.5	142.1	138.7	134.7	131.8	130.0	125.9	123.7	121.5	119.7	118.3	116.0	112.7	108.9	105.5	104.1	101.3	99.4	97.1	95.2	93.4	91.8	-9999.0
36	Hudson Strait	147.8	144.2	138.2	137.4	134.6	130.8	127.9	124.5	122.2	122.0	118.9	118.0	115.8	112.5	106.8	105.3	104.0	100.5	97.9	96.6	93.4	91.1	88.1	84.6	82.4	80.6	78.4	76.6	73.1	71.7	-9999.0
98	Bering Strait	112.1	109.3	107.5	104.4	98.2	96.0	93.5	91.0	87.3	84.2	82.3	79.6	77.8	75.6	72.3	69.3	66.1	62.9	61.0	59.3	57.2	55.5	53.3	51.2	49.1	46.9	44.5	42.4	40.5	39.2	-9999.0
128	Arctic subocean	19.9	17.0	14.9	12.9	11.2	9.7	8.3	7.0	5.9	5.1	4.3	3.6	3.0	2.5	2.2	1.8	1.4	1.2	1.0	0.8	0.7	0.5	0.4	0.3	0.3	0.2	0.2	0.2	0.2	0.1	-9999.0
130	Chukchi Sea	94.9	92.3	91.0	85.0	79.6	77.2	75.4	73.2	69.9	68.2	65.7	63.7	61.6	58.2	54.4	51.3	48.8	46.8	45.0	43.8	42.6	39.4	37.6	36.3	34.6	32.3	29.6	27.2	25.8	24.6	-9999.0
132	Beaufort Sea	127.0	124.4	121.2	118.4	114.7	110.4	108.6	105.2	101.7	97.1	93.5	90.9	87.8	86.7	85.3	82.7	80.5	77.8	74.9	71.5	68.0	67.7	66.8	64.4	62.1	59.5	56.9	55.5	54.4	52.3	-9999.0
134	Arctic Archipelago	76.6	74.0	70.3	68.0	65.9	62.6	59.8	57.4	54.7	52.5	49.5	46.4	42.9	40.1	40.0	38.3	36.3	33.8	31.5	29.1	27.1	25.1	23.9	22.7	21.3	19.8	18.6	17.5	16.5	15.4	-9999.0
136	Foxe Basin	92.1	89.3	85.1	82.0	79.6	77.3	75.1	72.6	70.2	68.5	65.5	63.3	60.7	57.8	53.8	52.6	50.3	47.8	46.1	44.0	42.1	38.8	36.3	34.0	32.4	30.7	29.1	27.7	26.6	24.8	-9999.0
138	Baffin Bay	43.8	40.5	37.9	35.0	32.3	29.6	27.3	25.4	23.4	21.5	19.8	18.3	16.8	15.3	13.7	12.5	11.2	10.2	9.1	8.1	7.4	6.5	5.8	4.9	4.3	3.8	3.4	3.0	2.7	2.3	-9999.0
139	South Greenland	96.2	92.2	89.6	87.5	84.0	79.7	75.8	73.6	71.3	69.4	67.0	64.3	61.8	59.6	57.1	54.6	53.3	50.5	47.9	45.2	43.2	41.8	39.8	37.9	35.2	33.3	31.5	30.0	28.4	26.5	-9999.0
140	Greenland Sea	43.0	38.6	35.6	33.1	30.5	27.5	24.5	22.2	20.2	18.2	16.8	15.3	13.7	12.4	11.1	10.1	8.8	7.5	6.5	5.7	5.2	4.6	3.8	3.2	2.7	2.2	1.9	1.7	1.5	1.1	-9999.0
142	Norwegian Sea	109.9	107.5	103.5	99.6	97.7	94.4	91.6	88.8	86.1	82.0	78.7	75.4	72.8	70.7	68.2	64.5	62.1	59.5	57.7	55.5	53.6	52.0	49.6	46.9	44.8	43.4	41.8	40.2	37.8	36.8	-9999.0
144	Barents Sea	107.9	105.4	102.4	99.3	97.4	94.3	89.2	86.3	84.6	82.4	79.9	77.2	74.3	70.7	68.4	67.3	64.5	60.4	58.6	56.8	54.7	52.4	50.7	48.4	45.8	43.8	42.2	40.7	39.1	37.7	-9999.0
146	Kara Sea	147.5	144.9	142.1	139.4	136.0	133.2	130.5	126.2	122.6	120.5	117.8	114.3	112.1	110.3	107.2	103.7	101.4	98.6	95.0	92.1	90.4	88.7	86.8	85.1	83.0	80.5	78.4	76.5	74.3	71.8	-9999.0
148	Laptev Sea	122.6	119.9	117.2	114.2	110.3	106.7	103.2	98.9	97.3	94.8	90.8	87.4	85.1	82.3	80.1	78.2	75.2	72.2	69.4	67.2	65.4	63.4	60.9	58.7	57.0	55.0	52.7	50.8	48.7	46.5	-9999.0
150	East Siberian Sea	102.2	99.3	96.3	93.2	91.2	88.6	86.6	84.0	80.4	77.6	74.8	72.3	69.8	67.3	64.7	61.5	58.6	56.2	54.2	51.4	49.6	48.6	46.3	43.2	40.2	37.6	35.9	33.9	32.2	31.1	-9999.0
152	Gulf of Alaska	137.0	133.3	131.7	131.0	122.7	120.2	118.2	115.0	110.6	105.7	105.4	102.1	101.5	99.8	96.2	92.6	88.5	85.6	84.6	82.1	79.6	79.1	75.7	73.1	70.9	70.3	67.0	64.3	62.3	60.4	-9999.0
154	Southeast Bering Sea	134.7	130.8	130.5	127.7	120.0	118.5	116.1	113.1	109.1	106.4	105.9	104.7	102.5	98.5	93.7	90.2	88.1	85.3	83.5	81.3	80.6	77.3	73.8	72.0	71.4	69.0	64.4	62.6	60.6	58.7	-9999.0