| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.71 | 4.74 | -0.03 |
| Feb | 4.75 | 4.69 | 0.06 |
| Mar | 5.09 | 5.21 | -0.12 |
| Apr | 4.26 | 4.47 | -0.21 |
| May | 3.44 | 3.55 | -0.11 |
| Jun | 4.42 | 4.46 | -0.04 |
| Jul | 4.74 | 5.09 | -0.35 |
| Aug | 4.57 | 4.40 | 0.17 |
| Sep | 3.81 | 3.56 | 0.25 |
| Oct | 3.10 | 3.20 | -0.10 |
| Nov | 3.99 | 4.06 | -0.07 |
| Dec | 5.21 | 5.16 | 0.05 |
52.09 | 52.59 | -0.50 |