| Site ID: |
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2201 |
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Lat. |
17.1794 |
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Philippines |
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Cagayan
Valley |
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| River: |
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Cagayan |
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Long. |
121.8731 |
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| Site name: |
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Ilagan |
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Contributing
area: |
15268 |
km2 |
Ratio to Comparison
Station: |
0.71 |
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| Latest measurement: |
6-Nov-09 |
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Mean annual
runoff: |
755 |
mm |
(2003-2008) |
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| Hydrologic status: |
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3 |
Flood |
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Total runoff
this year (2010): |
0 |
mm |
2010 |
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| Latest M/C ratio: |
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1.53 |
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Seven day
total: |
29 |
mm |
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| Estimated current discharge: |
1393 |
m3/sec |
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Percent of
mean 7-day total: |
137.4 |
% |
(today's value compared to
mean for same period, 2003-2007) |
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| Ice-cover determination: |
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5 yr
recurrence flood: |
1799 |
m3/sec |
(from Log Pearson III analysis) |
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| Status Codes: 1 = Low
flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood |
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1692 |
m3/sec |
(from Gumbel Extreme Value analysis) |
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| Comparison Station Information: |
Temerloh
(5224500) |
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Contributing
Area: |
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sq mi |
21579 |
sq km |
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| (Data from this gaging station are used for the calibration to
discharge, with an adjustment for different contributing areas) |
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| Notes: |
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| Discharge and runoff, based on satellite remote sensing (NASA
AMSR-E data) |
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| (For U.S, sites, nearby ground station discharge may also be
shown) |
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2008-Present |
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2002-Present |
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| Annual |
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Monthly Total Runoff (mm),
computed from above satellite-based discharge data |
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| (mm) |
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Jan |
Feb |
Mar |
April |
May |
June |
July |
Aug |
Sept |
Oct |
Nov |
Dec |
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| 189 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
28.0 |
33.2 |
46.0 |
54.1 |
28.2 |
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| 490 |
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2003 |
35.6 |
53.1 |
52.7 |
51.3 |
44.1 |
30.0 |
34.3 |
36.3 |
40.6 |
43.7 |
40.2 |
28.0 |
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| 460 |
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2004 |
26.8 |
45.5 |
57.2 |
39.3 |
46.7 |
40.6 |
23.8 |
31.2 |
42.4 |
51.9 |
33.9 |
20.4 |
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| 819 |
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2005 |
18.3 |
40.6 |
59.6 |
63.2 |
70.4 |
89.4 |
40.8 |
60.3 |
68.3 |
74.5 |
110.6 |
123.3 |
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| 787 |
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2006 |
114.0 |
74.4 |
78.5 |
68.5 |
69.2 |
71.0 |
70.2 |
98.3 |
68.4 |
74.2 |
0.0 |
0.0 |
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| 970 |
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2007 |
97.7 |
74.7 |
63.2 |
51.5 |
76.4 |
89.5 |
66.7 |
62.2 |
67.9 |
90.5 |
111.6 |
118.1 |
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| 1005 |
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2008 |
99.5 |
70.9 |
75.5 |
60.5 |
106.2 |
77.0 |
69.4 |
58.7 |
61.0 |
72.2 |
121.3 |
133.1 |
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| 884 |
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2009 |
94.1 |
68.3 |
73.4 |
75.0 |
104.8 |
114.3 |
68.3 |
64.5 |
71.7 |
105.4 |
44.1 |
0.0 |
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| 0 |
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2010 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
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Mean Annual Runoff (mm): |
9 |
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Standard Deviation: |
218 |
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Trend in Annual Runoff
(slope): |
78.7 |
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| Discharge is estimated via a rating equation directly from
the remote sensing data (M/C ratio) shown below. |
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