| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.37 | 5.12 | -0.75 |
| Feb | 4.24 | 4.43 | -0.19 |
| Mar | 4.90 | 4.78 | 0.12 |
| Apr | 4.78 | 5.38 | -0.60 |
| May | 3.65 | 3.72 | -0.07 |
| Jun | 5.81 | 6.02 | -0.21 |
| Jul | 7.15 | 7.20 | -0.05 |
| Aug | 6.63 | 6.92 | -0.29 |
| Sep | 6.72 | 6.99 | -0.27 |
| Oct | 4.19 | 4.30 | -0.11 |
| Nov | 3.94 | 4.11 | -0.17 |
| Dec | 4.77 | 4.90 | -0.13 |
61.15 | 63.87 | -2.72 |