| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.83 | 3.83 | 0.00 |
| Feb | 3.56 | 3.55 | 0.01 |
| Mar | 3.97 | 4.01 | -0.04 |
| Apr | 3.08 | 2.91 | 0.17 |
| May | 3.20 | 3.24 | -0.04 |
| Jun | 4.51 | 4.43 | 0.08 |
| Jul | 4.28 | 4.16 | 0.12 |
| Aug | 4.41 | 4.72 | -0.31 |
| Sep | 3.94 | 4.02 | -0.08 |
| Oct | 3.30 | 3.36 | -0.06 |
| Nov | 3.13 | 3.22 | -0.09 |
| Dec | 3.99 | 4.00 | -0.01 |
45.20 | 45.45 | -0.25 |