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