| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.18 | 3.17 | 0.01 |
| Feb | 3.10 | 3.24 | -0.14 |
| Mar | 4.43 | 4.38 | 0.05 |
| Apr | 5.31 | 5.24 | 0.07 |
| May | 5.25 | 5.38 | -0.13 |
| Jun | 4.08 | 4.06 | 0.02 |
| Jul | 4.11 | 4.04 | 0.07 |
| Aug | 3.39 | 3.21 | 0.18 |
| Sep | 3.27 | 3.27 | 0.00 |
| Oct | 3.63 | 3.55 | 0.08 |
| Nov | 4.36 | 4.36 | 0.00 |
| Dec | 3.47 | 3.56 | -0.09 |
47.58 | 47.46 | 0.12 |