| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.41 | 5.27 | 0.14 |
| Feb | 5.41 | 5.16 | 0.25 |
| Mar | 5.46 | 5.30 | 0.16 |
| Apr | 5.26 | 5.13 | 0.13 |
| May | 4.68 | 4.56 | 0.12 |
| Jun | 4.60 | 4.53 | 0.07 |
| Jul | 5.15 | 4.67 | 0.48 |
| Aug | 3.89 | 3.87 | 0.02 |
| Sep | 3.69 | 3.90 | -0.21 |
| Oct | 3.62 | 3.51 | 0.11 |
| Nov | 4.58 | 4.46 | 0.12 |
| Dec | 6.14 | 5.95 | 0.19 |
57.89 | 56.31 | 1.58 |