| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.81 | 0.05 |
| Feb | 1.16 | 1.20 | -0.04 |
| Mar | 2.15 | 2.12 | 0.03 |
| Apr | 2.84 | 2.84 | 0.00 |
| May | 5.06 | 4.96 | 0.10 |
| Jun | 4.43 | 4.25 | 0.18 |
| Jul | 4.10 | 4.23 | -0.13 |
| Aug | 3.79 | 3.72 | 0.07 |
| Sep | 2.93 | 2.87 | 0.06 |
| Oct | 2.39 | 2.36 | 0.03 |
| Nov | 1.47 | 1.46 | 0.01 |
| Dec | 1.23 | 1.20 | 0.03 |
32.41 | 32.02 | 0.39 |