| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.32 | 0.11 |
| Feb | 3.13 | 2.98 | 0.15 |
| Mar | 3.47 | 3.48 | -0.01 |
| Apr | 3.08 | 3.02 | 0.06 |
| May | 3.44 | 2.98 | 0.46 |
| Jun | 5.67 | 5.35 | 0.32 |
| Jul | 5.59 | 5.20 | 0.39 |
| Aug | 6.02 | 6.58 | -0.56 |
| Sep | 4.76 | 5.07 | -0.31 |
| Oct | 3.70 | 4.45 | -0.75 |
| Nov | 2.22 | 2.44 | -0.22 |
| Dec | 2.94 | 3.05 | -0.11 |
47.45 | 47.92 | -0.47 |