| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.95 | 3.11 | -0.16 |
| Feb | 2.43 | 2.54 | -0.11 |
| Mar | 3.21 | 3.20 | 0.01 |
| Apr | 3.41 | 3.28 | 0.13 |
| May | 3.93 | 3.72 | 0.21 |
| Jun | 4.22 | 4.14 | 0.08 |
| Jul | 4.30 | 4.14 | 0.16 |
| Aug | 3.59 | 3.37 | 0.22 |
| Sep | 3.45 | 3.35 | 0.10 |
| Oct | 2.95 | 2.79 | 0.16 |
| Nov | 2.80 | 2.84 | -0.04 |
| Dec | 3.12 | 3.11 | 0.01 |
40.36 | 39.59 | 0.77 |