1999 Ithaca Precipitation Summary
All values are in inches


Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly Totals 3.15 0.87 3.94 2.22 0.81 2.04 1.24 2.87 6.91 1.70 2.77 1.25 29.77
Departures from Normal 1.33 -1.13 1.67 -0.69 -2.50 -1.73 -2.21 -0.57 3.38 -1.55 -0.31 -1.32 -5.63
Monthly Pct of Normal 173% 44% 174% 76% 24% 54% 36% 83% 196% 52% 90% 49% 84%
 
10th Percentile 0.74 0.73 1.13 1.53 1.59 1.92 1.51 2.04 1.61 1.10 1.59 1.24 28.76
30th Percentile 1.22 1.27 1.66 2.19 2.39 2.80 2.39 2.74 2.49 2.00 2.30 1.86 32.43
Normal (1961-90) 1.82 2.00 2.27 2.91 3.31 3.77 3.45 3.44 3.53 3.25 3.08 2.57 35.40
70th Percentile 2.19 2.41 2.67 3.39 3.88 4.42 4.11 3.95 4.19 3.94 3.61 3.03 38.00
90th Percentile 3.14 3.55 3.60 4.49 5.28 5.90 5.76 5.03 5.81 5.93 4.81 4.13 42.40


Normals and percentiles are based on the period 1961-1990.

Graph of accumulated precipitation departure




10-January-2000
Keith L. Eggleston (kle1@cornell.edu)
Northeast Regional Climate Center