| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.93 | 0.98 | -0.05 |
| Feb | 0.84 | 0.92 | -0.08 |
| Mar | 1.34 | 1.42 | -0.08 |
| Apr | 2.38 | 2.53 | -0.15 |
| May | 3.08 | 3.08 | 0.00 |
| Jun | 4.16 | 4.09 | 0.07 |
| Jul | 3.82 | 3.71 | 0.11 |
| Aug | 3.46 | 3.63 | -0.17 |
| Sep | 3.16 | 3.33 | -0.17 |
| Oct | 2.82 | 2.92 | -0.10 |
| Nov | 1.71 | 1.84 | -0.13 |
| Dec | 1.27 | 1.32 | -0.05 |
28.97 | 29.77 | -0.80 |