| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.54 | -0.03 |
| Feb | 2.79 | 2.85 | -0.06 |
| Mar | 3.78 | 3.86 | -0.08 |
| Apr | 3.71 | 3.71 | 0.00 |
| May | 4.32 | 4.20 | 0.12 |
| Jun | 4.24 | 4.22 | 0.02 |
| Jul | 3.75 | 3.86 | -0.11 |
| Aug | 3.54 | 3.48 | 0.06 |
| Sep | 4.46 | 4.41 | 0.05 |
| Oct | 3.45 | 3.43 | 0.02 |
| Nov | 3.31 | 3.33 | -0.02 |
| Dec | 3.57 | 3.64 | -0.07 |
44.43 | 44.53 | -0.10 |