| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.90 | 0.92 | -0.02 |
| Feb | 1.10 | 1.18 | -0.08 |
| Mar | 2.07 | 1.99 | 0.08 |
| Apr | 3.85 | 3.62 | 0.23 |
| May | 5.00 | 4.96 | 0.04 |
| Jun | 5.20 | 5.13 | 0.07 |
| Jul | 4.33 | 4.18 | 0.15 |
| Aug | 4.23 | 4.21 | 0.02 |
| Sep | 3.48 | 3.39 | 0.09 |
| Oct | 2.63 | 2.60 | 0.03 |
| Nov | 1.81 | 1.81 | 0.00 |
| Dec | 1.32 | 1.37 | -0.05 |
35.92 | 35.36 | 0.56 |