| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.47 | 0.00 |
| Feb | 0.73 | 0.75 | -0.02 |
| Mar | 1.18 | 1.33 | -0.15 |
| Apr | 2.66 | 2.81 | -0.15 |
| May | 3.88 | 3.73 | 0.15 |
| Jun | 4.21 | 4.11 | 0.10 |
| Jul | 3.66 | 3.22 | 0.44 |
| Aug | 2.78 | 2.71 | 0.07 |
| Sep | 2.03 | 2.08 | -0.05 |
| Oct | 1.75 | 1.81 | -0.06 |
| Nov | 0.72 | 0.73 | -0.01 |
| Dec | 0.59 | 0.59 | 0.00 |
24.66 | 24.34 | 0.32 |