| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.16 | 5.17 | -0.01 |
| Feb | 4.96 | 4.99 | -0.03 |
| Mar | 5.48 | 5.39 | 0.09 |
| Apr | 5.29 | 5.82 | -0.53 |
| May | 4.90 | 4.61 | 0.29 |
| Jun | 4.50 | 4.29 | 0.21 |
| Jul | 3.73 | 3.64 | 0.09 |
| Aug | 3.39 | 3.13 | 0.26 |
| Sep | 3.63 | 3.92 | -0.29 |
| Oct | 4.51 | 4.71 | -0.20 |
| Nov | 4.25 | 4.35 | -0.10 |
| Dec | 5.65 | 5.47 | 0.18 |
55.45 | 55.49 | -0.04 |