| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.81 | 4.86 | -0.05 |
| Feb | 4.84 | 4.78 | 0.06 |
| Mar | 5.14 | 5.22 | -0.08 |
| Apr | 4.42 | 4.45 | -0.03 |
| May | 3.57 | 3.66 | -0.09 |
| Jun | 4.32 | 4.35 | -0.03 |
| Jul | 4.75 | 4.97 | -0.22 |
| Aug | 4.36 | 4.25 | 0.11 |
| Sep | 3.74 | 3.53 | 0.21 |
| Oct | 3.16 | 3.27 | -0.11 |
| Nov | 4.12 | 4.07 | 0.05 |
| Dec | 5.37 | 5.20 | 0.17 |
52.60 | 52.61 | -0.01 |