| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.53 | 2.64 | -0.11 |
| Feb | 2.18 | 2.23 | -0.05 |
| Mar | 2.31 | 2.32 | -0.01 |
| Apr | 3.56 | 3.47 | 0.09 |
| May | 4.15 | 4.17 | -0.02 |
| Jun | 4.10 | 4.05 | 0.05 |
| Jul | 3.92 | 3.92 | 0.00 |
| Aug | 3.92 | 3.87 | 0.05 |
| Sep | 3.35 | 3.21 | 0.14 |
| Oct | 3.41 | 3.31 | 0.10 |
| Nov | 2.89 | 2.79 | 0.10 |
| Dec | 2.50 | 2.43 | 0.07 |
38.82 | 38.41 | 0.41 |