2. 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

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

4. 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 1976.  Area: 1.6 hectare

5. KENTEN MET GARDEN

6. 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.

7. RC LIM D EX (1.0)

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

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

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

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

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

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

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

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

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

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

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

21. TABLE OF INDICES TREND IndicesYear PeriodSlopeSlope DeviationP-Value TXx1976-20110.0310.010.005 TXn1976-20110.0160.0150.274 TNx1976-20110.0390.0080 TNn1976-20110.0570.0110 TX10p1976-2011-0.2530.0770.003 TX90p1976-20110.5670.1340 TN10p1976-2011-0.7660.10 TN90p1976-20110.8150.1240 DTR1976-2011-0.0160.0070.027 RX1-Day1976-20110.2730.4550.553 RX5-Day1976-20111.3750.6810.052 R10mm1976-2011-0.030.1960.879 R20mm1976-2011-0.0690.1490.646 R50mm1976-20110.0980.0640.131 R95p1976-20119.2564.3790.042 R99p1976-20112.8721.9630.153 PRCPTOT1976-20115.3727.3470.47 SDII1976-20110.060.0320.069 CDD1976-20110.2360.2370.153 CWD1976-2011-0.0430.0710.47

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

23. C ONTACT PERSON KENTEN CLIMATOLOGY STATION JL.RESIDEN H.AMALUDDIN SAKO-KENTEN, PALEMBANG 30164, PO. BOX. 1191 PHONE: +62711 811642 FAX: +62711 810831 EMAIL: staklim_knt@yahoo.com