| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.32 | 5.27 | 0.05 |
| Feb | 5.06 | 5.06 | 0.00 |
| Mar | 5.30 | 5.24 | 0.06 |
| Apr | 4.52 | 4.36 | 0.16 |
| May | 4.28 | 4.16 | 0.12 |
| Jun | 4.87 | 4.57 | 0.30 |
| Jul | 4.58 | 4.35 | 0.23 |
| Aug | 5.17 | 5.05 | 0.12 |
| Sep | 4.18 | 4.17 | 0.01 |
| Oct | 4.32 | 4.11 | 0.21 |
| Nov | 4.57 | 4.40 | 0.17 |
| Dec | 5.34 | 5.23 | 0.11 |
57.51 | 55.97 | 1.54 |