| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.43 | -0.03 |
| Feb | 2.79 | 2.71 | 0.08 |
| Mar | 3.94 | 3.99 | -0.05 |
| Apr | 3.45 | 3.43 | 0.02 |
| May | 3.82 | 3.79 | 0.03 |
| Jun | 4.67 | 4.37 | 0.30 |
| Jul | 4.54 | 4.70 | -0.16 |
| Aug | 4.13 | 4.24 | -0.11 |
| Sep | 4.64 | 4.71 | -0.07 |
| Oct | 3.48 | 3.52 | -0.04 |
| Nov | 3.24 | 3.21 | 0.03 |
| Dec | 3.56 | 3.52 | 0.04 |
45.66 | 45.62 | 0.04 |