| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.34 | 4.23 | 0.11 |
| Feb | 4.64 | 4.74 | -0.10 |
| Mar | 4.96 | 5.05 | -0.09 |
| Apr | 4.86 | 5.20 | -0.34 |
| May | 5.20 | 5.57 | -0.37 |
| Jun | 4.39 | 4.21 | 0.18 |
| Jul | 4.42 | 4.69 | -0.27 |
| Aug | 3.47 | 3.35 | 0.12 |
| Sep | 3.70 | 3.91 | -0.21 |
| Oct | 3.63 | 3.75 | -0.12 |
| Nov | 3.79 | 3.87 | -0.08 |
| Dec | 4.94 | 5.01 | -0.07 |
52.34 | 53.58 | -1.24 |