| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.90 | 4.88 | 0.02 |
| Feb | 4.69 | 4.67 | 0.02 |
| Mar | 5.25 | 5.19 | 0.06 |
| Apr | 5.20 | 5.21 | -0.01 |
| May | 4.51 | 4.46 | 0.05 |
| Jun | 4.35 | 4.46 | -0.11 |
| Jul | 3.54 | 3.52 | 0.02 |
| Aug | 3.43 | 3.24 | 0.19 |
| Sep | 3.59 | 3.67 | -0.08 |
| Oct | 4.50 | 4.55 | -0.05 |
| Nov | 4.29 | 4.28 | 0.01 |
| Dec | 5.22 | 5.24 | -0.02 |
53.47 | 53.37 | 0.10 |