Table 1 Locations of rain gauges and meteorological stations

BIRNI

09°59′24''

1.529987

001°31′48''

9.990087

PENESSOULOU

09°14′24''

1.551297

001°33′05''

9.239867

TANGUIETA

10°37′02''

1.266561

001°16′00''

10.61712

KOUANDE

10°19′55''

1.692409

001°41′33''

10.33185

NATITINGOU

10°19′00''

1.383333

001°23′00''

10.31667

KALALE

10°17′24''

3.381675

003°22′54''

10.29007

BEMBEREKE

10°12′00''

2.666667

002°40′00''

10.2

BOUKOUMBE

10°10′00''

1.1

001°06′00''

10.16667

NIKKI

09°56′00''

3.2

003°12′00''

9.933333

BASSILA

09°01′22''

1.665544

001°39′56''

9.022698

MATERI

10°43′48''

1.012

001°00′43''

10.73

COPARGO

°'''

°'''

PEHUNCO

10°13′48''

2.003

002°00′11''

10.2299

PERERE

°'''

°'''

N'DALI

09°51′00''

2.7

002°42′00''

9.85

PARAKOU_AEROPORT

9°21′00''

2.6

2°36′00''

9.35

NATITINGOU_PEPORIYAKOU

10°22′42''

1.358889

001°21′32''

10.37833