| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.52 | -0.16 |
| Feb | 3.22 | 3.33 | -0.11 |
| Mar | 4.44 | 4.57 | -0.13 |
| Apr | 5.16 | 5.09 | 0.07 |
| May | 5.31 | 5.50 | -0.19 |
| Jun | 4.76 | 4.87 | -0.11 |
| Jul | 4.34 | 4.42 | -0.08 |
| Aug | 3.73 | 3.55 | 0.18 |
| Sep | 3.57 | 3.79 | -0.22 |
| Oct | 3.43 | 3.57 | -0.14 |
| Nov | 3.62 | 3.73 | -0.11 |
| Dec | 4.05 | 4.21 | -0.16 |
48.99 | 50.15 | -1.16 |