| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.15 | 3.22 | -0.07 |
| Feb | 3.04 | 3.01 | 0.03 |
| Mar | 3.98 | 4.03 | -0.05 |
| Apr | 4.36 | 4.42 | -0.06 |
| May | 4.79 | 4.85 | -0.06 |
| Jun | 4.66 | 4.60 | 0.06 |
| Jul | 4.47 | 4.65 | -0.18 |
| Aug | 3.44 | 3.35 | 0.09 |
| Sep | 3.12 | 3.17 | -0.05 |
| Oct | 3.13 | 3.12 | 0.01 |
| Nov | 2.96 | 3.11 | -0.15 |
| Dec | 3.52 | 3.55 | -0.03 |
44.62 | 45.08 | -0.46 |