| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.50 | -0.09 |
| Feb | 3.09 | 3.14 | -0.05 |
| Mar | 3.44 | 3.61 | -0.17 |
| Apr | 3.50 | 3.45 | 0.05 |
| May | 3.70 | 3.71 | -0.01 |
| Jun | 4.89 | 4.81 | 0.08 |
| Jul | 5.50 | 5.20 | 0.30 |
| Aug | 5.39 | 5.51 | -0.12 |
| Sep | 5.86 | 5.79 | 0.07 |
| Oct | 3.30 | 3.40 | -0.10 |
| Nov | 3.25 | 3.36 | -0.11 |
| Dec | 3.40 | 3.43 | -0.03 |
48.73 | 48.91 | -0.18 |