| Site ID: |
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2414 |
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Lat. |
7.9149 |
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Sri
Lanka |
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North
Eastern |
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| River: |
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Maduru |
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Long. |
81.4203 |
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| Site name: |
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Munthana |
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Contributing
area: |
1575 |
km2 |
Ratio to Comparison
Station: |
0.07 |
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| Latest measurement: |
6-Nov-09 |
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Mean annual
runoff: |
12930 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
1400 |
mm |
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| Latest M/C ratio: |
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1.39 |
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Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
1148 |
m3/sec |
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Percent of
mean 7-day total: |
128.9 |
% |
(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: |
4180 |
m3/sec |
(from Log Pearson III
analysis) |
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| Status Codes: 1 = Low
flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood |
|
3981 |
m3/sec |
(from Gumbel Extreme Value
analysis) |
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| Comparison Station Information: |
Tokwe
Confluence D/s C/s (1495240) |
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Contributing
Area: |
7280 |
sq mi |
23237 |
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: |
Comparison station is
placeholder, only; this site is not yet calibrated to actual discharge |
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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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| Runoff |
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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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| 7897 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
1421.0 |
2408.4 |
1987.4 |
916.8 |
1163.6 |
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| 19360 |
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2003 |
1904.8 |
1908.1 |
1100.5 |
982.0 |
1505.8 |
1216.0 |
2241.2 |
2072.9 |
2330.6 |
2487.3 |
649.6 |
960.6 |
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| 32028 |
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2004 |
2453.5 |
2530.2 |
1301.8 |
1827.9 |
3043.8 |
746.8 |
2880.5 |
5633.1 |
4517.2 |
3908.6 |
1455.6 |
1728.6 |
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| 11039 |
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2005 |
2986.1 |
2597.2 |
598.5 |
432.5 |
118.5 |
1394.0 |
1922.0 |
451.3 |
68.3 |
338.8 |
99.4 |
32.9 |
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| 818 |
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2006 |
35.7 |
257.8 |
18.6 |
91.2 |
80.6 |
23.8 |
14.4 |
77.1 |
88.7 |
130.0 |
0.0 |
0.0 |
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| 1404 |
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2007 |
20.9 |
97.8 |
252.5 |
59.1 |
5.6 |
14.3 |
11.2 |
78.5 |
49.6 |
220.6 |
184.4 |
409.7 |
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| 1400 |
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2008 |
178.3 |
26.2 |
387.5 |
135.5 |
38.6 |
106.2 |
38.9 |
86.9 |
97.6 |
46.3 |
193.1 |
65.3 |
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| 1770 |
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2009 |
77.5 |
44.1 |
161.8 |
607.8 |
237.3 |
6.5 |
32.1 |
53.3 |
26.2 |
129.7 |
393.4 |
0.0 |
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| Discharge is estimated directly via a rating equation from
the remote sensing data (M/C ratio) shown below. |
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