1 Feb 2000, R/V Revelle JES Winter SeaSoar Cruise (GMT) hourly-average
  hour           lat           lon     sfc_press          Wspd          Wdir          Tair          Tsea            RH          prec
     0      39.17523     134.27762    1026.39167       8.10333     171.00500       1.11150       9.99530      60.05500      21.89633
     1      39.17848     134.43307    1025.93833      10.12167     248.04333       1.33450       9.92635      61.02500      21.89867
     2      39.28283     134.46669    1025.04167      14.10833     324.18500       1.13400       9.97300      54.71667      21.87367
     3      39.41175     134.46474    1023.99167      14.74167     322.79333       0.91500      10.10750      57.09667      21.81633
     4      39.55081     134.46707    1023.33167      14.86833     322.86833       0.70333       9.79117      60.07500      21.77733
     5      39.69316     134.46547    1022.68833      14.99167     322.05333       0.40733       6.94277      63.64667      21.74283
     6      39.83167     134.46652    1022.21667      15.04667     322.67833       0.06750       5.49073      62.41833      21.71283
     7      39.97117     134.46918    1021.59667      15.03833     323.18500      -0.06283       5.19670      60.40500      21.67600
     8      40.11203     134.46719    1021.26667      15.02833     327.04167      -0.04767       5.25050      61.22833      21.65650
     9      40.25805     134.46685    1021.17000      15.08833     321.28167       0.01800       5.38325      62.63167      21.65083
    10      40.33465     134.56947    1021.47167       8.29833     209.56333       0.18467       5.43862      65.44667      21.64350
    11      40.28711     134.69612    1021.00167      11.10000      59.71333       0.30383       5.29162      65.28500      21.67367
    12      40.15237     134.70006    1021.02500      12.09167      13.46500       0.67150       5.49595      61.28500      21.72267
    13      40.01179     134.69995    1021.18333      11.23000      16.77500       1.14233       5.41410      62.48333      21.73117
    14      39.87009     134.70063    1020.87667       9.95167      15.71333       1.49917       5.42767      62.84333      21.73517
    15      39.72639     134.70226    1020.45000       9.12000      21.72833       1.80250       6.53163      62.82833      21.73583
    16      39.57818     134.70216    1020.07333       8.73000      29.13667       2.46583       8.61960      61.43333      21.73483
    17      39.44018     134.69894    1020.07833       8.74833      26.18000       2.61000      10.02432      61.37500      21.73867
    18      39.30227     134.69861    1019.86000       8.29000      27.49333       2.91633       9.71330      61.82667      21.73833
    19      39.18153     134.73377    1020.02333       6.14500     134.06667       3.24433      10.01215      58.01500      21.73767
    20      39.17004     134.90367    1019.98500       5.76000     229.53833       3.50017       9.87542      58.10667      21.74133
    21      39.26279     134.96712    1020.09167      10.86167     321.67500       3.15233       9.80125      62.56000      21.73883
    22      39.39874     134.96680    1020.49333      11.16167     322.39000       2.63467       9.66665      64.08667      21.72867
    23      39.53158     134.96145    1020.74915      12.01186     323.16610       2.14917       9.48503      65.01017      21.70492