| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.62 | -0.03 |
| Feb | 2.82 | 2.88 | -0.06 |
| Mar | 4.02 | 4.23 | -0.21 |
| Apr | 3.91 | 3.98 | -0.07 |
| May | 4.13 | 4.20 | -0.07 |
| Jun | 4.49 | 4.57 | -0.08 |
| Jul | 4.94 | 4.83 | 0.11 |
| Aug | 4.56 | 4.44 | 0.12 |
| Sep | 4.51 | 4.46 | 0.05 |
| Oct | 4.35 | 4.35 | 0.00 |
| Nov | 3.39 | 3.44 | -0.05 |
| Dec | 4.32 | 4.47 | -0.15 |
49.03 | 49.47 | -0.44 |