| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.04 | 2.05 | -0.01 |
| Feb | 1.87 | 1.95 | -0.08 |
| Mar | 2.55 | 2.65 | -0.10 |
| Apr | 2.44 | 2.45 | -0.01 |
| May | 4.57 | 4.70 | -0.13 |
| Jun | 3.47 | 3.46 | 0.01 |
| Jul | 2.21 | 2.55 | -0.34 |
| Aug | 2.49 | 2.60 | -0.11 |
| Sep | 3.67 | 4.06 | -0.39 |
| Oct | 3.46 | 3.86 | -0.40 |
| Nov | 2.40 | 2.67 | -0.27 |
| Dec | 1.93 | 2.31 | -0.38 |
33.10 | 35.31 | -2.21 |