1987 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	60.0	57.6	60.3	61.5	68.7	70.1	68.6	68.1	71.9	74.7	69.8	75.7	73.0	71.3	72.4	71.6	77.5	79.0	76.0	84.1	82.7	86.1	81.7	84.6	87.4	89.5	87.7	90.5	85.4	87.8	-9999.0
34	Hudson Bay	92.0	80.4	76.0	83.3	91.3	85.4	94.3	81.9	64.6	78.6	58.7	78.5	91.3	74.6	71.2	61.7	78.8	88.1	71.5	80.2	93.7	87.3	94.4	93.4	98.9	88.7	84.2	93.0	92.1	84.7	-9999.0
36	Hudson Strait	46.5	51.4	85.2	98.1	92.3	59.8	74.4	61.4	61.2	99.3	84.7	110.2	70.5	60.4	118.5	20.2	43.5	81.9	87.8	83.3	53.4	89.6	61.9	60.6	96.2	89.9	121.6	69.8	68.0	24.6	-9999.0
98	Bering Strait	53.4	47.7	51.9	49.6	69.2	65.8	64.2	72.8	84.3	68.6	77.2	74.0	77.3	69.9	58.7	71.7	69.8	85.3	81.7	77.6	78.5	94.7	92.8	81.4	81.3	83.8	75.4	86.8	78.6	94.9	-9999.0
128	Arctic subocean	47.8	48.8	49.8	48.0	44.3	48.2	50.1	59.0	54.5	69.5	58.2	66.4	73.0	42.3	72.1	76.0	83.8	88.9	86.6	84.7	64.9	77.8	92.5	97.4	54.8	104.2	105.6	96.3	84.8	92.9	-9999.0
130	Chukchi Sea	43.1	52.2	63.0	81.3	86.8	70.0	64.2	80.5	82.8	72.5	72.3	73.2	62.5	69.2	56.4	68.2	87.4	97.0	91.0	78.8	83.7	97.8	90.1	70.5	76.4	96.1	56.3	79.1	91.7	88.3	-9999.0
132	Beaufort Sea	68.7	52.0	62.4	54.1	68.4	54.0	53.2	45.6	69.1	42.2	56.4	71.5	62.9	70.5	57.1	65.6	78.4	84.1	83.1	91.7	84.9	94.4	96.0	94.4	89.2	88.7	70.6	100.3	75.0	83.7	-9999.0
134	Arctic Archipelago	43.2	49.3	53.9	51.6	53.1	48.1	72.0	65.9	66.5	66.3	61.1	68.7	77.9	69.8	63.3	53.1	51.9	55.2	71.8	72.6	79.7	77.1	80.0	93.1	77.1	91.0	85.5	75.0	92.7	78.6	-9999.0
136	Foxe Basin	53.3	47.3	68.3	48.9	48.2	71.0	30.1	66.8	85.8	69.5	65.9	61.4	47.9	61.3	103.5	56.0	68.6	98.1	101.5	60.2	78.4	105.1	80.5	80.4	94.4	47.6	94.1	112.0	79.8	65.2	-9999.0
138	Baffin Bay	61.5	49.0	40.8	31.5	43.0	66.9	56.9	63.7	77.3	75.4	67.6	68.2	63.5	61.5	79.1	87.2	94.5	91.5	101.6	103.1	96.6	110.4	94.5	104.6	104.0	89.9	103.2	115.2	119.6	123.1	-9999.0
139	South Greenland	66.2	48.2	44.1	45.9	65.0	74.7	61.7	74.5	71.2	76.2	94.3	82.3	61.7	80.0	84.3	101.1	93.8	74.7	82.4	89.9	108.5	90.3	64.9	81.5	106.3	113.5	118.4	113.2	110.8	101.0	-9999.0
140	Greenland Sea	51.6	57.9	55.1	47.0	46.4	52.4	54.2	62.3	67.6	59.4	58.6	72.2	35.1	38.8	41.6	42.2	90.3	98.7	67.5	47.1	58.0	56.7	82.1	56.7	43.2	97.9	96.2	75.3	84.3	101.3	-9999.0
142	Norwegian Sea	38.9	42.5	42.7	62.6	62.2	54.2	50.7	86.0	80.7	75.7	56.2	60.3	62.3	56.7	36.0	50.3	72.7	94.1	74.4	76.8	72.9	37.1	30.4	41.1	88.8	70.9	22.2	67.5	64.5	59.0	-9999.0
144	Barents Sea	54.8	54.7	72.8	58.9	45.0	66.3	54.9	46.2	63.6	82.7	78.4	62.1	66.2	53.1	70.6	46.4	54.1	55.4	57.9	59.0	69.3	65.2	65.4	74.1	91.3	104.0	101.2	95.3	61.0	70.5	-9999.0
146	Kara Sea	54.0	60.5	61.0	66.9	72.7	72.3	66.0	71.3	73.3	79.6	68.7	78.8	75.6	81.9	80.5	82.8	84.3	78.7	74.1	89.0	78.0	81.0	76.0	76.6	80.0	84.4	82.0	90.7	89.7	91.9	-9999.0
148	Laptev Sea	53.3	50.8	61.5	59.0	62.1	70.6	68.4	60.4	70.3	78.2	76.6	72.9	68.4	67.1	66.6	74.9	74.7	73.5	71.5	90.1	91.1	97.0	91.9	100.2	91.5	88.1	88.7	75.5	76.9	93.0	-9999.0
150	East Siberian Sea	50.8	55.8	34.3	52.4	66.2	84.0	82.4	83.1	85.2	83.6	72.3	79.6	84.8	77.9	81.6	80.4	73.4	77.2	79.9	87.9	72.5	84.9	52.5	67.7	96.2	95.8	97.0	91.4	87.5	86.6	-9999.0
152	Gulf of Alaska	48.1	55.6	47.1	45.2	81.4	90.7	73.8	84.6	77.7	66.9	81.1	72.9	63.8	39.5	65.6	71.6	83.9	89.5	80.8	86.1	73.9	67.1	73.1	84.6	72.5	75.6	108.1	101.2	59.2	59.2	-9999.0
154	Southeast Bering Sea	71.6	45.9	61.1	42.1	71.5	56.4	88.4	96.8	106.8	99.7	98.9	97.6	72.3	54.7	82.2	85.4	105.4	76.3	91.2	87.1	66.8	89.4	85.9	81.5	68.9	86.9	111.5	118.8	80.8	80.1	-9999.0