| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.20 | -0.11 |
| Feb | 2.65 | 2.83 | -0.18 |
| Mar | 3.85 | 4.05 | -0.20 |
| Apr | 3.57 | 3.54 | 0.03 |
| May | 4.31 | 4.25 | 0.06 |
| Jun | 4.27 | 4.21 | 0.06 |
| Jul | 4.31 | 4.08 | 0.23 |
| Aug | 3.90 | 3.92 | -0.02 |
| Sep | 4.48 | 4.35 | 0.13 |
| Oct | 3.99 | 4.14 | -0.15 |
| Nov | 3.32 | 3.27 | 0.05 |
| Dec | 3.66 | 3.91 | -0.25 |
45.40 | 45.75 | -0.35 |