| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.02 | 5.20 | -0.18 |
| Feb | 5.06 | 5.25 | -0.19 |
| Mar | 5.17 | 5.25 | -0.08 |
| Apr | 5.21 | 5.25 | -0.04 |
| May | 4.39 | 4.53 | -0.14 |
| Jun | 4.09 | 4.26 | -0.17 |
| Jul | 4.43 | 4.78 | -0.35 |
| Aug | 3.68 | 3.81 | -0.13 |
| Sep | 3.62 | 3.87 | -0.25 |
| Oct | 3.55 | 3.56 | -0.01 |
| Nov | 4.22 | 4.16 | 0.06 |
| Dec | 5.57 | 5.98 | -0.41 |
54.01 | 55.90 | -1.89 |