| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.96 | 4.06 | -0.10 |
| Feb | 2.97 | 3.12 | -0.15 |
| Mar | 3.59 | 3.67 | -0.08 |
| Apr | 4.02 | 4.12 | -0.10 |
| May | 5.11 | 5.32 | -0.21 |
| Jun | 5.56 | 5.60 | -0.04 |
| Jul | 4.12 | 4.35 | -0.23 |
| Aug | 4.90 | 5.26 | -0.36 |
| Sep | 4.95 | 5.36 | -0.41 |
| Oct | 5.00 | 4.85 | 0.15 |
| Nov | 4.31 | 4.51 | -0.20 |
| Dec | 4.01 | 4.12 | -0.11 |
52.50 | 54.34 | -1.84 |