| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.31 | 4.51 | -0.20 |
| Feb | 3.87 | 4.08 | -0.21 |
| Mar | 4.67 | 4.66 | 0.01 |
| Apr | 4.71 | 4.75 | -0.04 |
| May | 5.56 | 5.48 | 0.08 |
| Jun | 5.23 | 5.39 | -0.16 |
| Jul | 5.27 | 5.74 | -0.47 |
| Aug | 4.55 | 4.73 | -0.18 |
| Sep | 4.01 | 4.12 | -0.11 |
| Oct | 3.81 | 3.73 | 0.08 |
| Nov | 3.45 | 3.74 | -0.29 |
| Dec | 4.41 | 4.47 | -0.06 |
53.85 | 55.40 | -1.55 |