1988 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	122.6	119.6	116.4	113.5	110.8	107.9	104.8	101.8	99.1	96.5	93.4	90.8	87.8	84.9	82.9	81.0	78.6	76.1	73.6	71.3	69.2	67.0	65.0	63.0	61.2	59.4	57.6	55.4	53.4	51.7	-9999.0
34	Hudson Bay	163.7	161.7	158.0	155.7	153.6	150.5	148.1	145.4	142.3	138.6	135.3	131.6	128.6	125.8	124.9	123.3	121.2	118.4	114.2	111.6	109.3	107.0	104.8	101.9	99.4	97.1	96.3	93.9	91.8	89.5	-9999.0
36	Hudson Strait	145.8	143.1	140.3	135.3	135.6	131.6	127.9	126.9	125.6	119.4	115.7	115.0	112.5	106.1	103.2	101.0	99.9	97.7	94.9	92.1	90.4	87.3	86.3	83.8	80.8	76.9	74.3	74.5	70.5	70.0	-9999.0
98	Bering Strait	109.6	105.7	102.7	101.2	97.7	93.4	90.0	88.1	86.4	83.5	80.6	78.1	75.9	72.9	70.8	67.4	65.1	62.7	60.7	59.0	56.7	54.2	52.1	49.9	47.9	46.1	43.3	41.9	40.5	38.8	-9999.0
128	Arctic subocean	18.3	16.5	14.3	12.3	10.4	8.8	7.6	6.2	5.1	4.5	3.9	3.2	2.7	2.3	1.9	1.5	1.2	1.0	0.9	0.7	0.6	0.5	0.4	0.3	0.2	0.2	0.2	0.1	0.1	0.1	-9999.0
130	Chukchi Sea	91.7	87.6	85.6	83.9	79.7	75.6	73.4	71.9	70.5	66.9	64.0	61.8	59.1	56.2	53.4	50.9	48.6	46.9	44.9	42.8	40.5	39.1	37.2	34.9	32.9	30.3	28.3	27.5	26.6	24.8	-9999.0
132	Beaufort Sea	123.2	120.2	116.3	113.2	111.0	108.9	104.4	101.8	98.9	96.1	92.4	91.0	89.0	86.8	84.2	82.0	78.5	74.8	72.9	70.3	69.1	65.5	64.3	62.8	60.9	59.7	57.8	54.9	52.7	50.7	-9999.0
134	Arctic Archipelago	73.3	72.1	69.6	66.4	63.7	61.3	58.1	54.3	50.8	48.2	46.0	43.3	41.2	39.7	37.5	35.6	33.9	31.9	29.9	28.1	26.3	24.7	23.3	21.5	20.5	19.1	18.0	16.8	15.5	14.3	-9999.0
136	Foxe Basin	90.9	87.1	86.2	85.4	81.4	76.2	73.8	72.5	70.1	63.7	61.5	58.8	56.3	53.8	51.5	49.0	47.0	44.6	42.8	40.6	38.9	36.6	35.1	33.1	30.6	29.8	27.6	26.0	24.6	23.0	-9999.0
138	Baffin Bay	41.7	40.2	37.8	35.6	33.5	29.2	26.6	24.9	23.1	21.1	19.4	17.8	15.8	13.8	12.3	11.2	10.0	9.0	8.0	7.3	6.6	5.9	5.3	4.7	4.1	3.5	3.1	2.7	2.4	2.1	-9999.0
139	South Greenland	94.4	90.8	87.8	84.8	82.1	82.3	76.9	73.2	70.7	68.2	65.9	63.6	61.4	58.8	55.6	51.7	49.2	47.0	44.9	42.7	41.0	39.4	38.7	36.9	35.0	33.4	30.3	28.6	27.0	26.1	-9999.0
140	Greenland Sea	40.1	36.2	33.8	31.1	28.5	25.3	23.6	21.7	19.5	17.3	15.9	14.5	13.1	12.0	10.5	9.2	8.0	6.8	6.1	5.2	4.6	4.0	3.5	2.7	2.4	1.9	1.6	1.4	1.2	0.9	-9999.0
142	Norwegian Sea	107.1	102.8	101.1	97.9	94.5	91.7	86.0	85.7	83.1	79.4	77.9	74.0	71.4	69.2	67.0	65.2	62.3	60.1	57.4	56.2	53.6	51.0	48.5	45.3	43.6	41.5	39.4	38.6	36.4	34.9	-9999.0
144	Barents Sea	107.6	105.1	101.5	97.1	94.3	92.5	89.6	86.3	83.2	81.3	78.7	75.4	71.8	69.2	67.2	64.2	62.8	60.8	58.2	55.9	53.5	51.7	49.5	47.7	45.9	43.3	40.8	39.0	37.1	35.9	-9999.0
146	Kara Sea	145.2	142.1	139.7	137.2	134.0	130.3	127.9	124.8	122.2	119.3	116.1	113.1	108.9	105.0	104.0	102.0	99.4	96.7	95.2	92.7	90.6	88.1	84.9	82.8	81.1	79.7	77.6	74.7	72.0	69.7	-9999.0
148	Laptev Sea	120.9	116.8	112.4	109.1	107.2	104.9	100.5	96.0	93.7	92.0	88.9	86.8	83.5	80.6	76.7	76.0	73.5	70.9	66.5	64.2	61.8	60.3	58.9	57.3	55.2	52.9	51.0	48.1	46.2	44.8	-9999.0
150	East Siberian Sea	102.4	98.9	95.2	90.8	86.5	83.9	82.0	80.0	75.6	73.5	70.2	66.7	65.7	64.1	61.7	59.6	57.5	55.1	52.7	49.4	46.1	42.8	41.0	39.1	37.7	35.1	34.3	32.9	31.1	29.6	-9999.0
152	Gulf of Alaska	133.1	129.1	125.5	124.4	121.4	117.6	113.1	111.7	110.4	107.8	105.3	103.0	100.3	96.2	95.3	90.9	87.5	85.1	83.3	82.0	78.9	77.6	75.5	73.3	71.1	69.6	65.3	63.4	62.0	60.5	-9999.0
154	Southeast Bering Sea	130.8	128.9	126.0	123.8	120.3	115.8	114.0	112.3	110.0	107.8	104.4	102.0	97.0	94.9	93.3	90.3	86.9	85.3	83.6	82.0	79.5	77.0	74.1	72.1	69.4	65.6	63.9	62.7	61.5	60.3	-9999.0