| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.91 | -0.03 |
| Feb | 0.84 | 0.93 | -0.09 |
| Mar | 1.35 | 1.44 | -0.09 |
| Apr | 2.45 | 2.57 | -0.12 |
| May | 3.22 | 3.36 | -0.14 |
| Jun | 4.25 | 4.32 | -0.07 |
| Jul | 3.95 | 4.10 | -0.15 |
| Aug | 3.59 | 3.74 | -0.15 |
| Sep | 3.17 | 3.22 | -0.05 |
| Oct | 2.90 | 3.00 | -0.10 |
| Nov | 1.69 | 1.82 | -0.13 |
| Dec | 1.24 | 1.41 | -0.17 |
29.53 | 30.82 | -1.29 |