| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.00 | 5.15 | -0.15 |
| Feb | 5.48 | 5.19 | 0.29 |
| Mar | 5.47 | 5.29 | 0.18 |
| Apr | 5.31 | 5.65 | -0.34 |
| May | 4.73 | 5.28 | -0.55 |
| Jun | 5.10 | 5.25 | -0.15 |
| Jul | 5.13 | 5.09 | 0.04 |
| Aug | 3.72 | 3.73 | -0.01 |
| Sep | 4.44 | 4.09 | 0.35 |
| Oct | 3.79 | 3.59 | 0.20 |
| Nov | 4.90 | 4.55 | 0.35 |
| Dec | 6.27 | 6.17 | 0.10 |
59.34 | 59.03 | 0.31 |