C LIMATE INDICES OF KENTEN CLIMATOLOGY STATION, BMKG - SOUTH SUMATERA Presented by: Dara Kasihairani Staff of Observation and Information Kenten Climatology Station, BMKG - South Sumatera April 2 nd – 5 th 2012, Citeko-Bogor

OUTLINEOUTLINE Kenten Climatology Station Profile Kenten’s Climate Indices : - Temperature - Rain Conclusion

K ENTEN CLIMATOLOGY STATION  Located at 02 ⁰ 55' 38, 3’’S and 104 ⁰ 46' 19, 0''E, about 10 KM from the centre of Palembang City, South Sumatera.  Established in 1975 and started its operational in  Area: 1.6 hectare

KENTEN MET GARDEN

In the perspective of the global warming issue and proves of the climate change, Kenten’s data shows its climate variability and the trend of its changing over the 35 years operational. RClimDex (1.0) is designed to provide a user friendly interface to compute indices of climate extremes recommended by the CCl/CLIVAR Expert Team for Climate Change Detection Monitoring and Indices (ETCCDMI). 20 indices from Kenten’s Data computed by.

RC LIM D EX (1.0)

TX N AND TX X M ONTHLY MINIMUM & MAXIMUM VALUE OF DAILY MAXIMUM TEMP ( º C)

TN N AND TN X M ONTHLY MINIMUM & MAXIMUM VALUE OF DAILY MINIMUM TEMP ( ºC )

TX10 P AND TX90 P P ERCENTAGE OF DAYS WHEN TX 90 TH PERCENTILE

TN10 P AND TN90 P P ERCENTAGE OF DAYS WHEN TN 90 TH PERCENTILE (D AYS )

DTR M ONTHLY MEAN DIFFERENCE BETWEEN TX AND TN ( ºC )

RX1-D AY AND RX5-D AY M ONTHLY MAXIMUM 1- DAY AND CONSECUTIVE 5- DAY PRECIPITATION ( MM )

R10 MM, R20 MM, R50 MM A NNUAL COUNT OF DAYS WHEN PRCP>=10 MM, 20 MM, AND 50 MM (D AYS )

R95 P AND R99 P A NNUAL TOTAL PRCP WHEN RR>95 TH AND RR>99 TH PERCENTILE ( MM )

PRCPTOT A NNUAL TOTAL PRCP IN WET DAYS (RR>=1 MM )

SDII A NNUAL TOTAL PRECIPITATION DIVIDED BY THE NUMBER OF WET DAYS ( DEFINED AS PRCP>=1.0 MM ) IN THE YEAR ( MM / DAY )

CDD AND CWD Maximum number of consecutive days with RR<1mm (Days) Maximum number of consecutive days with RR>=1mm (Days)

TABLE OF INDICES TREND IndicesYear PeriodSlopeSlope DeviationP-Value TXx TXn TNx TNn TX10p TX90p TN10p TN90p DTR RX1-Day RX5-Day R10mm R20mm R50mm R95p R99p PRCPTOT SDII CDD CWD

The increasing trend - TXx, - TNx, - TNn, - TN90p, - TX90p,and - R95p. The decreasing trend - TN10p, and - TX10p

C ONTACT PERSON KENTEN CLIMATOLOGY STATION JL.RESIDEN H.AMALUDDIN SAKO-KENTEN, PALEMBANG 30164, PO. BOX PHONE: FAX: