| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.01 | 5.50 | -0.49 |
| Feb | 4.27 | 4.47 | -0.20 |
| Mar | 5.03 | 5.11 | -0.08 |
| Apr | 5.12 | 5.55 | -0.43 |
| May | 4.31 | 4.85 | -0.54 |
| Jun | 6.21 | 6.67 | -0.46 |
| Jul | 7.66 | 8.33 | -0.67 |
| Aug | 6.54 | 7.20 | -0.66 |
| Sep | 6.16 | 6.50 | -0.34 |
| Oct | 4.20 | 4.28 | -0.08 |
| Nov | 4.22 | 4.42 | -0.20 |
| Dec | 4.97 | 5.17 | -0.20 |
63.70 | 68.05 | -4.35 |