| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.71 | 4.65 | 0.06 |
| Feb | 4.84 | 4.94 | -0.10 |
| Mar | 5.07 | 5.18 | -0.11 |
| Apr | 4.37 | 4.24 | 0.13 |
| May | 3.77 | 4.04 | -0.27 |
| Jun | 3.92 | 4.14 | -0.22 |
| Jul | 4.42 | 4.64 | -0.22 |
| Aug | 3.64 | 3.89 | -0.25 |
| Sep | 3.54 | 3.84 | -0.30 |
| Oct | 3.30 | 3.34 | -0.04 |
| Nov | 4.15 | 4.20 | -0.05 |
| Dec | 4.78 | 4.88 | -0.10 |
50.51 | 51.98 | -1.47 |