| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.24 | 4.35 | -0.11 |
| Feb | 3.88 | 3.96 | -0.08 |
| Mar | 4.66 | 4.62 | 0.04 |
| Apr | 3.79 | 3.79 | 0.00 |
| May | 4.02 | 3.77 | 0.25 |
| Jun | 4.28 | 4.16 | 0.12 |
| Jul | 4.08 | 4.00 | 0.08 |
| Aug | 4.54 | 4.49 | 0.05 |
| Sep | 3.75 | 3.55 | 0.20 |
| Oct | 3.30 | 3.34 | -0.04 |
| Nov | 3.63 | 3.82 | -0.19 |
| Dec | 4.43 | 4.79 | -0.36 |
48.60 | 48.64 | -0.04 |