| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.16 | 4.21 | -0.05 |
| Feb | 4.63 | 4.52 | 0.11 |
| Mar | 4.82 | 4.79 | 0.03 |
| Apr | 4.98 | 4.95 | 0.03 |
| May | 5.00 | 5.18 | -0.18 |
| Jun | 4.35 | 4.37 | -0.02 |
| Jul | 4.64 | 4.69 | -0.05 |
| Aug | 3.97 | 3.92 | 0.05 |
| Sep | 3.81 | 3.83 | -0.02 |
| Oct | 3.55 | 3.49 | 0.06 |
| Nov | 3.75 | 3.71 | 0.04 |
| Dec | 4.79 | 4.85 | -0.06 |
52.45 | 52.51 | -0.06 |