| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.60 | 3.13 | -0.53 |
| Feb | 3.08 | 3.67 | -0.59 |
| Mar | 1.83 | 2.18 | -0.35 |
| Apr | 0.74 | 0.87 | -0.13 |
| May | 0.24 | 0.35 | -0.11 |
| Jun | 0.05 | 0.12 | -0.07 |
| Jul | 0.03 | 0.07 | -0.04 |
| Aug | 0.01 | 0.02 | -0.01 |
| Sep | 0.11 | 0.12 | -0.01 |
| Oct | 0.49 | 0.69 | -0.20 |
| Nov | 0.83 | 0.95 | -0.12 |
| Dec | 2.00 | 2.50 | -0.50 |
12.01 | 14.67 | -2.66 |