| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.65 | 0.00 |
| Feb | 2.88 | 2.81 | 0.07 |
| Mar | 3.99 | 3.96 | 0.03 |
| Apr | 3.36 | 3.54 | -0.18 |
| May | 3.90 | 3.90 | 0.00 |
| Jun | 4.52 | 4.60 | -0.08 |
| Jul | 5.34 | 5.28 | 0.06 |
| Aug | 5.27 | 5.34 | -0.07 |
| Sep | 5.39 | 5.38 | 0.01 |
| Oct | 3.79 | 4.00 | -0.21 |
| Nov | 3.23 | 3.20 | 0.03 |
| Dec | 3.45 | 3.56 | -0.11 |
48.77 | 49.22 | -0.45 |