| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.81 | 0.04 |
| Feb | 1.21 | 1.25 | -0.04 |
| Mar | 2.34 | 2.32 | 0.02 |
| Apr | 2.79 | 2.73 | 0.06 |
| May | 4.74 | 4.82 | -0.08 |
| Jun | 4.45 | 4.36 | 0.09 |
| Jul | 3.81 | 3.92 | -0.11 |
| Aug | 3.60 | 3.62 | -0.02 |
| Sep | 2.46 | 2.56 | -0.10 |
| Oct | 2.72 | 2.73 | -0.01 |
| Nov | 1.34 | 1.34 | 0.00 |
| Dec | 1.26 | 1.24 | 0.02 |
31.57 | 31.70 | -0.13 |