| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.09 | 5.32 | -0.23 |
| Feb | 5.04 | 5.12 | -0.08 |
| Mar | 5.16 | 5.32 | -0.16 |
| Apr | 4.28 | 4.46 | -0.18 |
| May | 4.11 | 4.12 | -0.01 |
| Jun | 4.82 | 4.69 | 0.13 |
| Jul | 4.73 | 5.26 | -0.53 |
| Aug | 4.73 | 4.95 | -0.22 |
| Sep | 4.00 | 4.20 | -0.20 |
| Oct | 3.90 | 3.91 | -0.01 |
| Nov | 4.46 | 4.45 | 0.01 |
| Dec | 5.10 | 5.01 | 0.09 |
55.42 | 56.81 | -1.39 |