Third Day of Observations for the First Winter Storm of 2003-2004
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Obs. Num. Time of Observation December
06  -   2003
Total Frozen Precip. Inches Total Melted Precip. Inches Temp. F Remarks for the Time Period
  0    0400 hrs.    2.0   0.12   27.5   No observations from midnight to 0400 but from the automated precipitation record indicates 0.02 inches of liquid melted from snow between midnight and 0200 hrs. Between 0200 and 0300 about 0.04 inches of liquid melted from snow. Heavy snow from about 0300 to 0330 and 0.06 liquid melted from snow between 0300 and 0400.
  1    0500 hrs.    2.5   0.15   27.3   Light snowfall rate now
  2    0600 hrs.    2.6   0.17   27.1   Very light snow now
  3    0700 hrs.    2.7   0.18   27.0   Extremely light snow now
  4    0800 hrs.    2.7   0.18   26.9   No added accumulation this hour with the extremely light snow.
  5    0900 hrs.    2.8   0.19   27.2   Some light snow this past hour amounted to 0.1 in snow accumulation. Total snow on the ground after the melting of yesterday is now only 3.4 inches.
  6    1000 hrs.    2.8   0.20   28.6   The ratio of water to snow after midnight until this morning was 14 to 1. Total accumulation was 5.5 inches from the snow & sleet of Dec. 4th=1.7, 5th=1.0, 6th=2.8. Total liquid amount was 1.27 inches from precipitation of Dec. 4th=0.13, 5th=0.94, 6th=0.20. Snow amounts were varied even over the nearby counties of Fairfax and Montgomery but were generally more toward the west and NW. The most snow on the ground at any one time here was 3.4 inches at 0900 this morning. We had rain and melting snow here yesterday where as, areas to the west were cold enough to add to their snow totals; thus accounting for much of the difference in snow amounts. This ends the first storm of the winter of 2003-2004.