| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.64 | -0.07 |
| Feb | 3.22 | 3.11 | 0.11 |
| Mar | 3.60 | 3.71 | -0.11 |
| Apr | 3.17 | 3.18 | -0.01 |
| May | 3.48 | 3.40 | 0.08 |
| Jun | 4.43 | 4.56 | -0.13 |
| Jul | 4.79 | 5.22 | -0.43 |
| Aug | 4.69 | 4.94 | -0.25 |
| Sep | 4.90 | 5.36 | -0.46 |
| Oct | 3.45 | 3.61 | -0.16 |
| Nov | 3.32 | 3.43 | -0.11 |
| Dec | 3.69 | 3.74 | -0.05 |
46.31 | 47.90 | -1.59 |