| Station: | Arayat, Pampanga | Continent: | Asia | ||
| River: | Pampanga | Major Basin : | South China Sea | ||
| Country: | Philippines | Discharge into : | Pacific Ocean | ||
| Observation Period: | 1969 - 1975 | Total Months: | 84 | ||
| Latitude (dec deg): | 15.16 N | Area (km2): | 6487 | ||
| Longitude (dec deg): | 120.76 E | Elevation (m): | 1 | ||
| Annual Discharge: (m3/s): | 250.9 | (km3/yr): | 7.9 | ||
| Annual Runoff: (l/s/km2): | 38.7 | (mm/yr): | 1220.1 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 109.2 | 53.7 | 35.5 | 30.1 | 36.7 | 157.3 | 444.4 | 610.1 | 438.1 | 551.3 | 316.3 | 207.8 |
| km3/mo | 0.3 | 0.1 | 0.1 | 0.1 | 0.1 | 0.4 | 1.2 | 1.6 | 1.1 | 1.5 | 0.8 | 0.6 |
| mm/mo | 45.1 | 20.0 | 14.7 | 12.0 | 15.2 | 62.8 | 183.5 | 251.9 | 175.1 | 227.6 | 126.4 | 85.8 |
| l/s/km2 | 16.8 | 8.3 | 5.5 | 4.6 | 5.7 | 24.2 | 68.5 | 94.1 | 67.5 | 85.0 | 48.8 | 32.0 |
