| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.26 | 2.19 | 0.07 |
| Feb | 1.78 | 1.79 | -0.01 |
| Mar | 2.63 | 2.53 | 0.10 |
| Apr | 2.51 | 2.39 | 0.12 |
| May | 4.06 | 3.93 | 0.13 |
| Jun | 3.34 | 3.62 | -0.28 |
| Jul | 2.18 | 2.65 | -0.47 |
| Aug | 2.35 | 2.36 | -0.01 |
| Sep | 3.45 | 3.50 | -0.05 |
| Oct | 3.53 | 3.86 | -0.33 |
| Nov | 2.58 | 2.59 | -0.01 |
| Dec | 2.37 | 2.48 | -0.11 |
33.04 | 33.89 | -0.85 |