The Kelai River is a river of Borneo, in the province of East Kalimantan, Indonesia, about 300 kilometers (190 mi) north of the provincial capital Samarinda.[1][2] It is a tributary of the Berau River.

Kelai River
Sungai Kelai, Kilai
Kelai River is located in Kalimantan
Kelai River
Location of river mouth
Kelai River is located in Indonesia
Kelai River
Kelai River (Indonesia)
Location
CountryIndonesia
Physical characteristics
Source 
 • locationBorneo
MouthBerau River

Geography

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The river flows in the eastern area of Kalimantan with a predominantly tropical rainforest climate (designated as Af in the Köppen-Geiger climate classification).[3] The annual average temperature in the area is 23 °C (73 °F). The warmest month is September, when the average temperature is around 26 °C (79 °F), and the coldest is January, at 22 °C (72 °F).[4] The average annual rainfall is 2,835 millimeters (111.6 inches). The wettest month is December, with an average of 332-millimeter (13.1 in) rainfall, and the driest is August, with 154-millimeter (6.1 in) rainfall.[5]

Kelai River
Climate chart (explanation)
J
F
M
A
M
J
J
A
S
O
N
D
 
 
287
 
 
23
21
 
 
300
 
 
26
20
 
 
250
 
 
25
22
 
 
186
 
 
25
22
 
 
251
 
 
24
22
 
 
193
 
 
24
22
 
 
198
 
 
24
22
 
 
154
 
 
25
21
 
 
211
 
 
27
24
 
 
189
 
 
25
22
 
 
283
 
 
24
22
 
 
332
 
 
23
21
Average max. and min. temperatures in °C
Precipitation totals in mm
Source: [4]
Imperial conversion
JFMAMJJASOND
 
 
11
 
 
73
70
 
 
12
 
 
79
68
 
 
9.8
 
 
77
72
 
 
7.3
 
 
77
72
 
 
9.9
 
 
75
72
 
 
7.6
 
 
75
72
 
 
7.8
 
 
75
72
 
 
6.1
 
 
77
70
 
 
8.3
 
 
81
75
 
 
7.4
 
 
77
72
 
 
11
 
 
75
72
 
 
13
 
 
73
70
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. ^ Sungai Kelai 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" (PDF). Hydrology and Earth System Sciences. 11 (5): 1633–1644. Bibcode:2007HESS...11.1633P. doi:10.5194/hess-11-1633-2007. Retrieved 30 January 2016.
  4. ^ a b "NASA Earth Observations Data Set Index". NASA. 30 January 2016. Archived from the original on 28 November 2017. Retrieved 8 January 2019.
  5. ^ "NASA Earth Observations: Rainfall (1 month - TRMM)". NASA/Tropical Rainfall Monitoring Mission. 30 January 2016. Archived from the original on 19 April 2019. Retrieved 8 January 2019.

2°10′00″N 117°29′00″E / 2.16667°N 117.48333°E / 2.16667; 117.48333