yyyy mm dd hh ivt AR? new AR? AR duration AR Cat* Storm-total IVT (*10^7 kg/m) 1948 1 1 0 0.90 0 0 0 0.00 1948 1 1 6 3.50 0 0 0 0.00 1948 1 1 12 2.21 0 0 0 0.00 1948 1 1 18 5.43 0 0 0 0.00 1948 1 2 0 4.66 0 0 0 0.00 1948 1 2 6 5.98 0 0 0 0.00 1948 1 2 12 4.96 0 0 0 0.00 1948 1 2 18 4.91 0 0 0 0.00 1948 1 3 0 6.43 0 0 0 0.00 1948 1 3 6 6.62 0 0 0 0.00 1948 1 3 12 7.02 0 0 0 0.00 1948 1 3 18 7.22 0 0 0 0.00 1948 1 4 0 10.11 0 0 0 0.00 1948 1 4 6 7.46 0 0 0 0.00 1948 1 4 12 6.40 0 0 0 0.00 1948 1 4 18 6.76 0 0 0 0.00 1948 1 5 0 6.38 0 0 0 0.00 1948 1 5 6 6.18 0 0 0 0.00 1948 1 5 12 4.32 0 0 0 0.00 1948 1 5 18 6.13 0 0 0 0.00 1948 1 6 0 6.16 0 0 0 0.00 1948 1 6 6 9.30 0 0 0 0.00 1948 1 6 12 8.01 0 0 0 0.00 1948 1 6 18 7.53 0 0 0 0.00 1948 1 7 0 6.16 0 0 0 0.00 1948 1 7 6 6.34 0 0 0 0.00 1948 1 7 12 4.40 0 0 0 0.00 1948 1 7 18 8.93 0 0 0 0.00 1948 1 8 0 7.03 0 0 0 0.00 1948 1 8 6 10.54 0 0 0 0.00 1948 1 8 12 7.94 0 0 0 0.00