| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.28 | 3.33 | -0.05 |
| Feb | 2.90 | 2.94 | -0.04 |
| Mar | 3.87 | 4.00 | -0.13 |
| Apr | 4.47 | 4.62 | -0.15 |
| May | 4.85 | 4.93 | -0.08 |
| Jun | 4.75 | 4.71 | 0.04 |
| Jul | 4.16 | 4.37 | -0.21 |
| Aug | 3.43 | 3.50 | -0.07 |
| Sep | 3.18 | 3.14 | 0.04 |
| Oct | 3.15 | 3.13 | 0.02 |
| Nov | 3.08 | 3.16 | -0.08 |
| Dec | 3.47 | 3.60 | -0.13 |
44.59 | 45.43 | -0.84 |