| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.68 | -0.11 |
| Feb | 2.87 | 3.16 | -0.29 |
| Mar | 4.13 | 4.41 | -0.28 |
| Apr | 4.05 | 4.21 | -0.16 |
| May | 4.18 | 4.32 | -0.14 |
| Jun | 4.69 | 5.05 | -0.36 |
| Jul | 4.87 | 4.62 | 0.25 |
| Aug | 4.63 | 4.71 | -0.08 |
| Sep | 4.57 | 4.54 | 0.03 |
| Oct | 4.62 | 4.95 | -0.33 |
| Nov | 3.51 | 3.76 | -0.25 |
| Dec | 4.35 | 4.74 | -0.39 |
50.04 | 52.15 | -2.11 |