| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.95 | 5.01 | -0.06 |
| Feb | 4.95 | 4.94 | 0.01 |
| Mar | 5.09 | 5.07 | 0.02 |
| Apr | 4.19 | 4.29 | -0.10 |
| May | 4.06 | 4.04 | 0.02 |
| Jun | 4.81 | 4.57 | 0.24 |
| Jul | 4.63 | 4.87 | -0.24 |
| Aug | 4.64 | 4.69 | -0.05 |
| Sep | 4.03 | 4.18 | -0.15 |
| Oct | 3.82 | 3.73 | 0.09 |
| Nov | 4.39 | 4.31 | 0.08 |
| Dec | 4.92 | 4.89 | 0.03 |
54.48 | 54.59 | -0.11 |