| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.18 | 4.23 | -0.05 |
| Feb | 4.82 | 4.68 | 0.14 |
| Mar | 5.56 | 5.60 | -0.04 |
| Apr | 5.37 | 5.24 | 0.13 |
| May | 5.38 | 5.60 | -0.22 |
| Jun | 4.59 | 4.75 | -0.16 |
| Jul | 4.37 | 4.48 | -0.11 |
| Aug | 3.62 | 3.46 | 0.16 |
| Sep | 3.90 | 3.86 | 0.04 |
| Oct | 3.68 | 3.79 | -0.11 |
| Nov | 4.49 | 4.38 | 0.11 |
| Dec | 5.21 | 5.20 | 0.01 |
55.17 | 55.27 | -0.10 |