The Porong River is a river flowing through Sidoarjo, East Java, Indonesia, about 700 km east of the capital Jakarta.[1][2] It is one of the main distributaries of the Brantas River that discharges into the Bali Sea, close to the Madura Strait, and is the main outlet for the Lusi mudflow.

Porong River
Kali Porong, Sungai Porong, Kali Torong
Porong River is located in Java
Porong River
Location of river mouth
Porong River is located in Indonesia
Porong River
Porong River (Indonesia)
Location
CountryIndonesia
ProvinceEast Java
Physical characteristics
SourceBrantas River
 • locationMojokerto
Mouth 
 • location
Madura Strait
 • elevation
0 m (0 ft)
Length13.5 km (8.4 mi)
Basin size480 km2 (190 sq mi)

Geography

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The river flows in the eastern area of Java with a predominantly tropical monsoon climate (designated as Am in the Köppen–Geiger climate classification).[3] The annual average temperature in the area is 26 °C. The warmest month is October when the average temperature is around 28 °C, and the coldest is February, at 22 °C o average.[4] The average annual rainfall is 2473 mm. The wettest month is January, with an average of 426 mm of rainfall, and the driest is August, with an average rainfall of 20 mm .[5]

Porong River
Climate chart (explanation)
J
F
M
A
M
J
J
A
S
O
N
D
 
 
426
 
 
26
23
 
 
364
 
 
26
19
 
 
391
 
 
27
23
 
 
228
 
 
26
23
 
 
159
 
 
29
23
 
 
126
 
 
28
23
 
 
67
 
 
28
23
 
 
20
 
 
30
24
 
 
30
 
 
33
24
 
 
53
 
 
33
24
 
 
205
 
 
31
25
 
 
405
 
 
27
18
Average max. and min. temperatures in °C
Precipitation totals in mm
Source: [4]
Imperial conversion
JFMAMJJASOND
 
 
17
 
 
79
73
 
 
14
 
 
79
66
 
 
15
 
 
81
73
 
 
9
 
 
79
73
 
 
6.3
 
 
84
73
 
 
5
 
 
82
73
 
 
2.6
 
 
82
73
 
 
0.8
 
 
86
75
 
 
1.2
 
 
91
75
 
 
2.1
 
 
91
75
 
 
8.1
 
 
88
77
 
 
16
 
 
81
64
Average max. and min. temperatures in °F
Precipitation totals in inches

See also

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References

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  1. ^ Rand McNally, The New International Atlas, 1993.
  2. ^ Kali Porong at Geonames.org (cc-by); Last updated 2013-06-04; Database dump downloaded 2015-11-27
  3. ^ Peel, M C; Finlayson, B L; McMahon, T A (2007). "Updated world map of the Köppen-Geiger climate classification". Hydrology and Earth System Sciences. 11: 1633–1644. doi:10.5194/hess-11-1633-2007. Retrieved 30 January 2016.
  4. ^ a b "NASA Earth Observations Data Set Index". NASA. 30 January 2016.
  5. ^ "NASA Earth Observations: Rainfall (1 month - TRMM)". NASA/Tropical Rainfall Monitoring Mission. 30 January 2016.

7°33′34″S 112°51′27″E / 7.5595°S 112.8574°E / -7.5595; 112.8574