| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.71 | -0.12 |
| Feb | 3.01 | 3.21 | -0.20 |
| Mar | 4.46 | 4.64 | -0.18 |
| Apr | 3.49 | 3.53 | -0.04 |
| May | 3.37 | 3.57 | -0.20 |
| Jun | 3.79 | 3.83 | -0.04 |
| Jul | 4.65 | 4.35 | 0.30 |
| Aug | 4.47 | 4.60 | -0.13 |
| Sep | 3.82 | 3.86 | -0.04 |
| Oct | 3.91 | 4.27 | -0.36 |
| Nov | 3.21 | 3.42 | -0.21 |
| Dec | 4.37 | 4.64 | -0.27 |
46.14 | 47.63 | -1.49 |