Standardized Precipitation Index - Micronesia and Samoa data
Current   -1   -2   -3   -4   -5   -6   -7

SELECTED PACIFIC ISLANDS STANDARDIZED PRECIPITATION INDEX (SPI) SUMMARY
NATIONAL WEATHER SERVICE HONOLULU HI
DATA THROUGH THE END OF MAR 2016

SPI VALUES BASED ON PROVISIONAL COOPERATIVE OBSERVER AND TELEMETERED RAINFALL DATA FROM SELECTED PACIFIC ISLANDS.

NOTE: THIS SUMMARY WAS DEVELOPED AND PRODUCED IN SUPPORT OF RAINFALL MONITORING REQUIREMENTS. THE SPI PROVIDES A NORMALIZED VIEW OF MONTHLY RAINFALL. FOR MORE INFORMATION ON THE SPI AND THE PRODUCTION OF THIS SUMMARY, PLEASE SEE THE SPI INFORMATION PAGE.

SPI CATEGORIES ARE AS FOLLOWS:
2.00 AND GREATER EXTREMELY WET
1.50 TO 1.99 VERY WET
1.00 TO 1.49 MODERATELY WET
0.99 TO -0.99 NEAR NORMAL
-1.00 TO -1.49 MODERATELY DRY
-1.50 TO -1.99 VERY DRY
-2.00 AND LESS EXTREMELY DRY
-99.00 MISSING DATA
STATION 1-MO 2-MO 3-MO 6-MO 12-MO18-MO24-MO
 
WSO CHUUK -0.27-0.93-0.92-1.40-0.48-0.110.15
WFO GUAM -0.63-0.13-0.48-0.401.070.931.02
WSO KOROR -1.56-1.86-2.28-2.99-3.21-3.56-3.24
WSO MAJURO -1.51-1.38-2.04-2.55-0.93-0.740.06
WSO PAGO PAGO 0.06-0.89-2.110.110.220.430.53
WSO POHNPEI -1.42-1.59-0.99-1.540.890.690.41
WSO YAP -2.27-1.94-2.25-2.76-1.28-1.03-1.05
SAIPAN AP -0.19-0.11-0.810.851.191.441.39
KWAJALEIN -1.01-1.43-1.38-1.380.371.061.08
KOSRAE AP -1.66-0.80-1.05-1.73-1.11-0.99-0.73
LUKUNOR -0.97-1.13-0.69-1.42-1.26-0.77-0.79