| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.15 | 2.06 | 0.09 |
| Feb | 1.46 | 1.31 | 0.15 |
| Mar | 1.87 | 1.79 | 0.08 |
| Apr | 1.49 | 1.23 | 0.26 |
| May | 1.68 | 1.51 | 0.17 |
| Jun | 1.57 | 1.44 | 0.13 |
| Jul | 0.58 | 0.44 | 0.14 |
| Aug | 0.49 | 0.37 | 0.12 |
| Sep | 0.67 | 0.66 | 0.01 |
| Oct | 1.51 | 1.35 | 0.16 |
| Nov | 2.18 | 1.97 | 0.21 |
| Dec | 2.62 | 2.42 | 0.20 |
18.27 | 16.55 | 1.72 |