| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.82 | 0.04 |
| Feb | 1.25 | 1.20 | 0.05 |
| Mar | 2.35 | 2.26 | 0.09 |
| Apr | 2.90 | 2.73 | 0.17 |
| May | 4.72 | 4.73 | -0.01 |
| Jun | 4.50 | 4.42 | 0.08 |
| Jul | 3.81 | 3.81 | 0.00 |
| Aug | 3.55 | 3.64 | -0.09 |
| Sep | 2.51 | 2.47 | 0.04 |
| Oct | 2.86 | 2.73 | 0.13 |
| Nov | 1.45 | 1.35 | 0.10 |
| Dec | 1.32 | 1.23 | 0.09 |
32.08 | 31.39 | 0.69 |