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     NCEP CENTRAL OPERATIONS (NCO) PLATFORM STATS - GULF OF AK                                
                         APRIL     2017                                                       
                SEA-LEVEL PRESSURE FOR ALL HOURS                                              
                                                                                              
PLATFORM   SHIP/PLAT. NAME           TYPE   NO. REPORTS    MEAN DIFF    SD DIFF    # GROSS ERR
                                                                                              
NL9H       MUSTANG                   SHP          1            0.0        0.0           0     
WAHG       MIDNIGHT SUN              SHP         19            3.3        1.9           0     
WBN3008    WESTERN RANGER            SHP          5           -1.1        1.3           0     
WBO2511    GUARDIAN                  SHP          4           -1.2        0.3           0     
WCY2920    KENNICOTT                 SHP          1            1.0        0.0           0     
WDA4486    ROBERT C. SEAMANS         SHP         16           -0.7        0.4           0     
WN4201     MATANUSKA                 SHP          7           -2.8        6.2           0     
WTDF       HENRY B. BIGELOW (AWS)    SHP        484            0.7        3.3          27     
WTDH       OKEANOS EXPLORER (AWS)    SHP        462           -0.7        1.7           0     
WTDO       OREGON II (AWS)           SHP       1671            0.8        0.7           0     
WTEC       RONALD H. BROWN (AWS)     SHP         81           -1.7        1.2           0     
WTEE       OSCAR ELTON SETTE (AWS)   SHP        253           -0.4        1.0           0     
WTEF       RAINIER (AWS)             SHP         96           -1.5        1.5           0     
WTEP       OSCAR DYSON (AWS)         SHP        178            0.2        0.9           0     
WTER       NANCY FOSTER (AWS)        SHP        324            0.5        0.9           0     
WTEY       HI'IALAKAI (AWS)          SHP        413            0.9        1.1           0     
WYH6327    MALOLO                    SHP          3            1.7        0.5           0     
                                                                                              
                                                                                              
                         APRIL     2017                                                       
                 AIR TEMPERATURE FOR ALL HOURS                                                
                                                                                              
PLATFORM   SHIP/PLAT. NAME           TYPE   NO. REPORTS    MEAN DIFF    SD DIFF    # GROSS ERR
                                                                                              
NL9H       MUSTANG                   SHP          1           -0.2        0.0           0     
WAHG       MIDNIGHT SUN              SHP         19            0.9        1.4           0     
WBN3008    WESTERN RANGER            SHP          1           -0.2        0.0           0     
WBO2511    GUARDIAN                  SHP          4            2.4        3.7           0     
WCY2920    KENNICOTT                 SHP          1            0.6        0.0           0     
WDA4486    ROBERT C. SEAMANS         SHP         16            2.6        0.8           0     
WN4201     MATANUSKA                 SHP          7            0.8        3.5           0     
WTDF       HENRY B. BIGELOW (AWS)    SHP        515           -1.3        2.2           0     
WTDH       OKEANOS EXPLORER (AWS)    SHP         68            0.8        1.0           0     
WTDO       OREGON II (AWS)           SHP       1671            1.5        1.0           0     
WTEC       RONALD H. BROWN (AWS)     SHP         81            1.1        0.5           0     
WTEE       OSCAR ELTON SETTE (AWS)   SHP        253            1.6        0.9           0     
WTEF       RAINIER (AWS)             SHP         96            0.9        1.8           0     
WTEP       OSCAR DYSON (AWS)         SHP        304           -0.8        0.6           0     
WTER       NANCY FOSTER (AWS)        SHP        326            1.3        0.9           0     
WTEY       HI'IALAKAI (AWS)          SHP        413            2.1        1.3           0     
WYH6327    MALOLO                    SHP          5           -1.9        1.9           0     
                                                                                              
                                                                                              
                         APRIL     2017                                                       
                  WIND DIRECTION FOR ALL HOURS                                                
                                                                                              
PLATFORM   SHIP/PLAT. NAME           TYPE   NO. REPORTS    MEAN DIFF    SD DIFF    # GROSS ERR
                                                                                              
NL9H       MUSTANG                   SHP          1          -10.4        0.0           0     
WAHG       MIDNIGHT SUN              SHP         19           11.1       11.6           0     
WBN3008    WESTERN RANGER            SHP          5          -10.2        9.3           0     
WBO2511    GUARDIAN                  SHP          4            0.9        4.0           0     
WCY2920    KENNICOTT                 SHP          1           47.5        0.0           0     
WDA4486    ROBERT C. SEAMANS         SHP         13           -0.4        9.6           1     
WN4201     MATANUSKA                 SHP          4           34.7       17.1           3     
WTDF       HENRY B. BIGELOW (AWS)    SHP        473           -8.2       28.9          41     
WTDH       OKEANOS EXPLORER (AWS)    SHP        395            5.2       37.0          67     
WTDO       OREGON II (AWS)           SHP       1645          -13.0       20.7          26     
WTEC       RONALD H. BROWN (AWS)     SHP         81          -10.6        7.9           0     
WTEE       OSCAR ELTON SETTE (AWS)   SHP        210           -2.2       37.1          43     
WTEF       RAINIER (AWS)             SHP         65          -11.1       42.7          31     
WTEP       OSCAR DYSON (AWS)         SHP        290           -5.8       30.0          14     
WTER       NANCY FOSTER (AWS)        SHP        316            9.0       19.3          11     
WTEY       HI'IALAKAI (AWS)          SHP        413           -3.2       13.5           0     
WYH6327    MALOLO                    SHP          5            1.8        2.2           0     
                                                                                              
                                                                                              
                         APRIL     2017                                                       
                    WIND SPEED FOR ALL HOURS                                                  
                                                                                              
PLATFORM   SHIP/PLAT. NAME           TYPE   NO. REPORTS    MEAN DIFF    SD DIFF    # GROSS ERR
                                                                                              
NL9H       MUSTANG                   SHP          1            1.3        0.0           0     
WAHG       MIDNIGHT SUN              SHP         19            2.5        3.1           0     
WBN3008    WESTERN RANGER            SHP          5            4.3        3.1           0     
WBO2511    GUARDIAN                  SHP          4            1.0        3.5           0     
WCY2920    KENNICOTT                 SHP          1            0.0        0.0           0     
WDA4486    ROBERT C. SEAMANS         SHP         14            0.9        1.3           0     
WN4201     MATANUSKA                 SHP          7            3.2        2.8           0     
WTDF       HENRY B. BIGELOW (AWS)    SHP        514            0.5        2.6           0     
WTDH       OKEANOS EXPLORER (AWS)    SHP        462            0.7        2.0           0     
WTDO       OREGON II (AWS)           SHP       1671           -0.3        1.6           0     
WTEC       RONALD H. BROWN (AWS)     SHP         81            2.4        1.9           0     
WTEE       OSCAR ELTON SETTE (AWS)   SHP        253           -1.3        3.1           0     
WTEF       RAINIER (AWS)             SHP         96            0.6        2.6           0     
WTEP       OSCAR DYSON (AWS)         SHP        304            0.3        1.7           0     
WTER       NANCY FOSTER (AWS)        SHP        327            0.9        1.8           0     
WTEY       HI'IALAKAI (AWS)          SHP        413            0.2        1.8           0     
WYH6327    MALOLO                    SHP          5            2.9        1.0           0     
                                                                                              
                                                                                              
                         APRIL     2017                                                       
                SEA SURFACE TEMP. FOR ALL HOURS                                               
                                                                                              
PLATFORM   SHIP/PLAT. NAME           TYPE   NO. REPORTS    MEAN DIFF    SD DIFF    # GROSS ERR
                                                                                              
WAHG       MIDNIGHT SUN              SHP         16            1.6        0.7           0     
WBN3008    WESTERN RANGER            SHP          5           -0.1        0.6           0     
WDA4486    ROBERT C. SEAMANS         SHP         16            0.7        2.6           0     
WN4201     MATANUSKA                 SHP          4            4.4        2.7           0     
WTDF       HENRY B. BIGELOW (AWS)    SHP        514           -0.6        1.1           0     
WTDH       OKEANOS EXPLORER (AWS)    SHP        460           -0.2        0.3           0     
WTDO       OREGON II (AWS)           SHP       1671            0.7        0.7           0     
WTEC       RONALD H. BROWN (AWS)     SHP         80            0.0        0.8           0     
WTEE       OSCAR ELTON SETTE (AWS)   SHP        252            0.3        0.4           0     
WTEF       RAINIER (AWS)             SHP         96           -0.9        1.7           0     
WTEP       OSCAR DYSON (AWS)         SHP        304           -0.2        2.2           0     
WTER       NANCY FOSTER (AWS)        SHP        326           -0.2        1.1           0     
WTEY       HI'IALAKAI (AWS)          SHP        369            0.0        0.3          44     
WYH6327    MALOLO                    SHP          5           -4.0        5.3           0     
                                                                                              
TOTAL NUMBER OF GULF OF ALASKA OBSERVATIONS FOR APRIL     2017                                
(EXCLUDING DUPLICATES) WAS   4180.  TOTAL NUMBER OF IDS WAS  17.