| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.05 | 1.95 | 0.10 |
| Feb | 1.81 | 1.79 | 0.02 |
| Mar | 2.32 | 2.39 | -0.07 |
| Apr | 3.55 | 3.53 | 0.02 |
| May | 4.56 | 4.45 | 0.11 |
| Jun | 4.47 | 4.46 | 0.01 |
| Jul | 3.99 | 3.98 | 0.01 |
| Aug | 3.76 | 3.76 | 0.00 |
| Sep | 3.32 | 3.35 | -0.03 |
| Oct | 3.10 | 3.11 | -0.01 |
| Nov | 2.51 | 2.54 | -0.03 |
| Dec | 2.02 | 2.05 | -0.03 |
37.46 | 37.36 | 0.10 |