| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.65 | -0.08 |
| Feb | 3.43 | 3.54 | -0.11 |
| Mar | 4.55 | 4.51 | 0.04 |
| Apr | 5.01 | 5.03 | -0.02 |
| May | 5.43 | 5.41 | 0.02 |
| Jun | 5.00 | 4.85 | 0.15 |
| Jul | 4.73 | 4.54 | 0.19 |
| Aug | 3.86 | 3.41 | 0.45 |
| Sep | 3.56 | 3.74 | -0.18 |
| Oct | 3.85 | 3.61 | 0.24 |
| Nov | 3.70 | 3.71 | -0.01 |
| Dec | 4.27 | 4.39 | -0.12 |
50.96 | 50.39 | 0.57 |