| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.82 | 2.93 | -0.11 |
| Feb | 2.96 | 3.09 | -0.13 |
| Mar | 4.50 | 4.65 | -0.15 |
| Apr | 5.24 | 5.27 | -0.03 |
| May | 5.29 | 5.34 | -0.05 |
| Jun | 3.67 | 3.47 | 0.20 |
| Jul | 3.85 | 3.58 | 0.27 |
| Aug | 3.58 | 3.53 | 0.05 |
| Sep | 3.81 | 4.08 | -0.27 |
| Oct | 3.79 | 3.82 | -0.03 |
| Nov | 4.23 | 4.32 | -0.09 |
| Dec | 3.31 | 3.42 | -0.11 |
47.05 | 47.50 | -0.45 |