| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.95 | 5.00 | -0.05 |
| Feb | 4.04 | 4.36 | -0.32 |
| Mar | 4.38 | 4.67 | -0.29 |
| Apr | 4.21 | 4.48 | -0.27 |
| May | 4.77 | 4.60 | 0.17 |
| Jun | 4.69 | 5.14 | -0.45 |
| Jul | 3.71 | 3.55 | 0.16 |
| Aug | 3.79 | 4.25 | -0.46 |
| Sep | 3.94 | 4.33 | -0.39 |
| Oct | 5.01 | 4.82 | 0.19 |
| Nov | 4.59 | 4.64 | -0.05 |
| Dec | 5.17 | 5.40 | -0.23 |
53.25 | 55.24 | -1.99 |