| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.87 | 0.81 | 0.06 |
| Feb | 0.94 | 0.84 | 0.10 |
| Mar | 1.79 | 1.63 | 0.16 |
| Apr | 3.14 | 2.87 | 0.27 |
| May | 4.39 | 4.24 | 0.15 |
| Jun | 4.94 | 4.93 | 0.01 |
| Jul | 4.32 | 4.05 | 0.27 |
| Aug | 4.44 | 4.44 | 0.00 |
| Sep | 3.42 | 3.41 | 0.01 |
| Oct | 2.56 | 2.50 | 0.06 |
| Nov | 1.62 | 1.53 | 0.09 |
| Dec | 1.23 | 1.16 | 0.07 |
33.66 | 32.41 | 1.25 |