| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.40 | 2.35 | 0.05 |
| Feb | 2.53 | 2.43 | 0.10 |
| Mar | 3.21 | 3.12 | 0.09 |
| Apr | 2.90 | 2.92 | -0.02 |
| May | 4.47 | 4.40 | 0.07 |
| Jun | 3.56 | 3.37 | 0.19 |
| Jul | 1.93 | 1.85 | 0.08 |
| Aug | 2.38 | 2.23 | 0.15 |
| Sep | 3.12 | 3.02 | 0.10 |
| Oct | 4.00 | 4.12 | -0.12 |
| Nov | 2.70 | 2.70 | 0.00 |
| Dec | 2.59 | 2.49 | 0.10 |
35.79 | 35.00 | 0.79 |