| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.46 | 0.25 |
| Feb | 2.96 | 2.76 | 0.20 |
| Mar | 3.97 | 3.76 | 0.21 |
| Apr | 3.83 | 3.65 | 0.18 |
| May | 4.49 | 4.51 | -0.02 |
| Jun | 4.55 | 4.47 | 0.08 |
| Jul | 4.24 | 3.99 | 0.25 |
| Aug | 3.97 | 3.63 | 0.34 |
| Sep | 4.84 | 4.55 | 0.29 |
| Oct | 3.73 | 3.47 | 0.26 |
| Nov | 3.79 | 3.47 | 0.32 |
| Dec | 3.99 | 3.87 | 0.12 |
48.07 | 45.59 | 2.48 |