| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.25 | 4.29 | -0.04 |
| Feb | 4.74 | 4.85 | -0.11 |
| Mar | 4.92 | 5.06 | -0.14 |
| Apr | 5.02 | 5.12 | -0.10 |
| May | 5.24 | 5.72 | -0.48 |
| Jun | 4.69 | 4.23 | 0.46 |
| Jul | 4.40 | 4.73 | -0.33 |
| Aug | 3.82 | 3.62 | 0.20 |
| Sep | 3.60 | 3.77 | -0.17 |
| Oct | 3.87 | 4.08 | -0.21 |
| Nov | 4.00 | 3.98 | 0.02 |
| Dec | 4.93 | 5.10 | -0.17 |
53.48 | 54.55 | -1.07 |