| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.05 | 4.46 | 0.59 |
| Feb | 3.75 | 3.18 | 0.57 |
| Mar | 3.11 | 2.42 | 0.69 |
| Apr | 1.96 | 1.32 | 0.64 |
| May | 1.54 | 1.16 | 0.38 |
| Jun | 0.75 | 0.56 | 0.19 |
| Jul | 0.43 | 0.47 | -0.04 |
| Aug | 0.27 | 0.22 | 0.05 |
| Sep | 0.41 | 0.32 | 0.09 |
| Oct | 1.62 | 1.53 | 0.09 |
| Nov | 3.34 | 2.97 | 0.37 |
| Dec | 5.28 | 4.06 | 1.22 |
27.51 | 22.67 | 4.84 |