| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.81 | 0.04 |
| Feb | 1.25 | 1.21 | 0.04 |
| Mar | 2.37 | 2.29 | 0.08 |
| Apr | 3.17 | 2.83 | 0.34 |
| May | 4.93 | 4.98 | -0.05 |
| Jun | 4.75 | 4.64 | 0.11 |
| Jul | 4.09 | 3.90 | 0.19 |
| Aug | 3.79 | 3.94 | -0.15 |
| Sep | 2.62 | 2.52 | 0.10 |
| Oct | 2.86 | 2.83 | 0.03 |
| Nov | 1.55 | 1.44 | 0.11 |
| Dec | 1.21 | 1.19 | 0.02 |
33.44 | 32.58 | 0.86 |