La Niña years (MAM): 1950, 51, 55, 56, 65, 71, 74, 75, 76, 84, 85, 89, 96, 99, 2000, 01, 08, 09
(JJA): 1949, 50, 54, 55, 56, 64, 71, 73, 74, 75, 81, 88, 96, 98, 99, 2008
(SON): 1949, 50, 54, 55, 64, 70, 73, 74, 75, 83, 84, 88, 95, 98, 99, 2000, 07, 08
(DJF): 1949, 50, 54, 55, 64, 70, 73, 74, 75, 83, 84, 88, 95, 98, 99, 2000, 07, 08
Please note that only CPC observation data for US & Mexico (CPC-NA) can consider all La Niña years listed above. The other data (MERRA, CFSR, CPC-SA, and CDC-SA) consider the limted La Niña episodes occurred after 1978 due to their ~31-yr data period (1979-).
Return Value maps based on Generalized Extreme Value distribution | ||||||||||||
MAM | JJA | SON | DJF | |||||||||
daily maximum precipitation | MERRA
CFSR CPC-US,MX CPC-SA CDC-SA |
MERRA
CFSR CPC-US,MX CPC-SA CDC-SA |
MERRA
CFSR CPC-US,MX CPC-SA CDC-SA |
MERRA
CFSR CPC-US,MX CPC-SA CDC-SA |
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heavy rain (>10mm/day) frequency | MERRA
CFSR CPC-US,MX CPC-SA CDC-SA |
MERRA
CFSR CPC-US,MX CPC-SA CDC-SA |
MERRA
CFSR CPC-US,MX CPC-SA CDC-SA |
MERRA
CFSR CPC-US,MX CPC-SA CDC-SA |
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Wet day (>1mm/day) frequency | MERRA
CFSR CPC-US,MX CPC-SA CDC-SA |
MERRA
CFSR CPC-US,MX CPC-SA CDC-SA |
MERRA
CFSR CPC-US,MX CPC-SA CDC-SA |
MERRA
CFSR CPC-US,MX CPC-SA CDC-SA |
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Consecutive dry days | MERRA
CFSR CPC-US,MX CPC-SA CDC-SA |
MERRA
CFSR CPC-US,MX CPC-SA CDC-SA |
MERRA
CFSR CPC-US,MX CPC-SA CDC-SA |
MERRA
CFSR CPC-US,MX CPC-SA CDC-SA |