| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.15 | 1.17 | -0.02 |
| Feb | 1.00 | 1.05 | -0.05 |
| Mar | 1.66 | 1.66 | 0.00 |
| Apr | 2.83 | 2.85 | -0.02 |
| May | 3.59 | 3.57 | 0.02 |
| Jun | 4.36 | 4.26 | 0.10 |
| Jul | 3.79 | 3.78 | 0.01 |
| Aug | 3.57 | 3.53 | 0.04 |
| Sep | 3.67 | 3.58 | 0.09 |
| Oct | 3.21 | 3.12 | 0.09 |
| Nov | 1.85 | 1.81 | 0.04 |
| Dec | 1.48 | 1.47 | 0.01 |
32.16 | 31.85 | 0.31 |