| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.88 | 4.35 | 0.53 |
| Feb | 5.65 | 4.80 | 0.85 |
| Mar | 3.31 | 3.07 | 0.24 |
| Apr | 1.30 | 1.21 | 0.09 |
| May | 0.71 | 0.60 | 0.11 |
| Jun | 0.09 | 0.15 | -0.06 |
| Jul | 0.32 | 0.37 | -0.05 |
| Aug | 0.20 | 0.31 | -0.11 |
| Sep | 0.28 | 0.34 | -0.06 |
| Oct | 0.94 | 1.08 | -0.14 |
| Nov | 1.56 | 1.34 | 0.22 |
| Dec | 3.83 | 3.48 | 0.35 |
23.07 | 21.10 | 1.97 |