| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.11 | 3.22 | -0.11 |
| Feb | 2.71 | 2.81 | -0.10 |
| Mar | 3.49 | 3.58 | -0.09 |
| Apr | 3.43 | 3.56 | -0.13 |
| May | 4.27 | 4.27 | 0.00 |
| Jun | 4.45 | 4.45 | 0.00 |
| Jul | 4.18 | 4.14 | 0.04 |
| Aug | 3.59 | 3.32 | 0.27 |
| Sep | 4.00 | 4.10 | -0.10 |
| Oct | 2.99 | 3.03 | -0.04 |
| Nov | 2.91 | 3.02 | -0.11 |
| Dec | 3.11 | 3.27 | -0.16 |
42.24 | 42.77 | -0.53 |