| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.93 | -0.19 |
| Feb | 0.78 | 0.87 | -0.09 |
| Mar | 1.58 | 1.68 | -0.10 |
| Apr | 2.87 | 3.11 | -0.24 |
| May | 4.14 | 4.32 | -0.18 |
| Jun | 4.47 | 4.63 | -0.16 |
| Jul | 4.19 | 4.37 | -0.18 |
| Aug | 4.40 | 4.25 | 0.15 |
| Sep | 3.27 | 3.34 | -0.07 |
| Oct | 2.79 | 2.82 | -0.03 |
| Nov | 1.56 | 1.69 | -0.13 |
| Dec | 1.05 | 1.29 | -0.24 |
31.84 | 33.30 | -1.46 |