| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.71 | 0.02 |
| Feb | 0.97 | 0.92 | 0.05 |
| Mar | 1.67 | 1.81 | -0.14 |
| Apr | 2.84 | 3.01 | -0.17 |
| May | 4.74 | 4.85 | -0.11 |
| Jun | 4.53 | 4.74 | -0.21 |
| Jul | 4.10 | 4.13 | -0.03 |
| Aug | 3.40 | 3.57 | -0.17 |
| Sep | 3.01 | 3.11 | -0.10 |
| Oct | 2.31 | 2.29 | 0.02 |
| Nov | 1.36 | 1.35 | 0.01 |
| Dec | 1.05 | 1.08 | -0.03 |
30.71 | 31.57 | -0.86 |