| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.82 | 0.04 |
| Feb | 1.15 | 1.19 | -0.04 |
| Mar | 2.14 | 2.09 | 0.05 |
| Apr | 2.74 | 2.76 | -0.02 |
| May | 4.99 | 4.92 | 0.07 |
| Jun | 4.38 | 4.15 | 0.23 |
| Jul | 4.02 | 4.22 | -0.20 |
| Aug | 3.70 | 3.59 | 0.11 |
| Sep | 2.85 | 2.74 | 0.11 |
| Oct | 2.35 | 2.31 | 0.04 |
| Nov | 1.40 | 1.42 | -0.02 |
| Dec | 1.21 | 1.19 | 0.02 |
31.79 | 31.40 | 0.39 |