| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.11 | 5.47 | 0.64 |
| Feb | 4.51 | 4.07 | 0.44 |
| Mar | 4.21 | 3.66 | 0.55 |
| Apr | 2.72 | 2.41 | 0.31 |
| May | 1.72 | 1.39 | 0.33 |
| Jun | 0.87 | 0.72 | 0.15 |
| Jul | 0.33 | 0.36 | -0.03 |
| Aug | 0.30 | 0.27 | 0.03 |
| Sep | 0.62 | 0.57 | 0.05 |
| Oct | 2.23 | 2.07 | 0.16 |
| Nov | 5.03 | 4.58 | 0.45 |
| Dec | 7.39 | 6.84 | 0.55 |
36.04 | 32.41 | 3.63 |