1977 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	59.6	56.8	51.4	54.7	56.9	59.7	62.4	65.6	65.0	69.1	69.8	68.2	72.6	72.2	74.6	75.7	75.4	77.2	74.1	75.0	81.8	85.4	85.2	85.8	87.2	83.7	84.9	87.4	82.9	87.7	-9999.0
34	Hudson Bay	75.3	74.4	58.4	70.9	61.9	65.1	91.4	93.7	80.5	89.7	77.4	83.7	76.1	80.2	83.4	86.3	87.6	86.2	66.3	71.1	89.0	95.5	122.2	120.4	98.3	87.7	102.5	114.4	104.7	91.5	-9999.0
36	Hudson Strait	97.9	92.2	20.6	29.2	77.7	27.0	30.3	84.5	98.2	108.7	28.5	56.7	102.5	97.1	92.5	98.4	99.1	111.4	65.8	83.9	57.3	108.7	107.9	84.2	66.5	84.8	103.3	107.3	89.4	128.2	-9999.0
98	Bering Strait	52.5	32.4	39.2	42.0	63.6	65.6	64.5	76.8	69.1	53.4	62.5	55.2	77.0	79.8	72.5	69.1	68.0	72.6	79.9	42.8	67.7	83.8	68.8	65.3	73.2	82.8	65.9	90.1	105.3	87.0	-9999.0
128	Arctic subocean	33.8	35.4	39.5	43.2	47.0	48.6	41.0	42.8	43.0	62.2	49.1	53.0	54.6	66.3	57.3	82.8	77.9	49.7	69.3	80.3	66.1	82.0	70.9	65.7	65.2	89.3	99.6	103.5	96.6	102.5	-9999.0
130	Chukchi Sea	72.2	59.4	76.9	80.4	71.9	78.4	73.4	67.4	67.9	78.3	63.5	80.8	93.0	84.7	89.9	90.6	90.6	83.0	78.0	69.4	52.3	63.3	67.7	61.7	86.3	77.4	104.6	95.0	96.4	125.5	-9999.0
132	Beaufort Sea	69.7	50.1	46.1	69.8	53.7	67.0	43.9	49.2	60.8	69.6	82.4	47.7	59.7	61.1	79.7	83.2	79.4	85.0	87.0	89.7	99.9	103.2	102.8	64.8	75.4	84.2	67.6	77.2	87.6	101.9	-9999.0
134	Arctic Archipelago	40.8	55.8	54.3	55.8	53.6	62.3	75.5	59.0	42.9	65.5	62.8	69.8	62.5	69.4	46.0	57.3	58.6	59.5	46.7	68.8	90.4	92.3	94.7	96.6	104.1	82.4	71.0	57.6	44.7	56.6	-9999.0
136	Foxe Basin	59.3	48.3	38.5	30.6	40.1	63.9	22.0	36.3	74.6	24.3	34.6	59.7	65.0	77.0	99.1	59.8	42.3	60.7	54.8	93.3	96.3	106.7	75.6	86.7	94.3	86.5	78.1	75.4	97.3	126.7	-9999.0
138	Baffin Bay	37.2	33.9	47.2	53.7	41.5	33.8	21.8	23.0	35.1	47.8	40.1	63.9	65.6	64.9	91.5	99.0	92.9	83.1	95.7	97.6	91.2	97.5	99.1	98.6	98.1	116.0	101.1	112.8	83.7	101.3	-9999.0
139	South Greenland	57.8	43.2	63.6	73.3	74.4	49.4	37.6	57.0	71.8	87.5	85.6	94.4	103.1	104.8	84.6	93.3	90.5	93.4	75.0	82.0	94.2	107.1	91.7	107.4	111.0	106.2	89.2	107.2	88.3	80.9	-9999.0
140	Greenland Sea	63.0	48.8	52.0	72.5	73.8	57.6	44.3	45.3	20.0	39.9	79.9	70.8	80.1	82.7	84.3	91.8	101.0	99.6	97.9	103.6	102.3	93.1	98.8	111.8	107.1	110.2	120.1	127.0	114.9	111.4	-9999.0
142	Norwegian Sea	19.6	29.7	56.2	69.6	48.2	55.4	70.0	79.1	99.6	93.3	53.8	48.8	74.7	51.5	69.9	79.2	61.4	74.4	67.5	60.8	41.7	53.5	96.5	112.5	102.6	85.8	74.7	54.0	71.0	84.9	-9999.0
144	Barents Sea	44.0	40.1	31.7	39.4	53.3	58.7	72.1	39.5	42.3	67.6	90.8	84.1	84.2	72.8	74.8	68.1	65.1	78.2	53.5	62.2	50.0	71.3	61.8	58.3	70.0	37.3	69.1	72.8	60.4	78.8	-9999.0
146	Kara Sea	62.6	66.8	51.7	46.3	50.2	50.6	54.5	58.1	66.6	66.1	70.7	67.1	71.7	68.3	74.5	76.4	76.8	72.2	74.6	78.0	77.1	76.2	75.7	88.9	90.6	82.7	82.4	77.3	77.9	90.5	-9999.0
148	Laptev Sea	59.1	53.5	57.6	56.1	59.6	72.7	74.4	81.7	66.8	61.6	55.6	58.1	58.0	63.2	65.8	58.0	58.3	69.2	82.8	77.0	92.6	82.6	75.1	73.8	75.5	73.4	83.2	78.9	71.2	75.5	-9999.0
150	East Siberian Sea	52.4	57.7	62.1	55.0	63.4	69.1	68.2	71.5	82.7	77.9	83.5	75.4	73.6	66.2	58.4	58.4	68.6	77.0	86.2	74.6	68.5	61.8	63.4	73.2	89.2	98.1	91.1	85.2	86.9	90.1	-9999.0
152	Gulf of Alaska	14.7	25.3	17.1	12.3	46.0	43.9	59.9	72.4	49.3	57.4	52.1	50.7	94.4	72.5	81.8	83.5	82.4	74.2	46.0	23.8	56.3	97.6	74.5	46.4	63.2	88.9	76.6	97.9	92.7	30.9	-9999.0
154	Southeast Bering Sea	25.8	39.6	51.6	27.9	43.7	83.4	94.2	89.0	42.3	43.0	82.7	88.4	106.0	99.1	91.1	106.1	83.6	76.4	29.8	27.1	62.4	74.8	35.6	53.7	81.9	108.9	110.3	124.3	57.1	56.7	-9999.0