| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.71 | 5.03 | -0.32 |
| Feb | 4.94 | 4.77 | 0.17 |
| Mar | 5.23 | 5.41 | -0.18 |
| Apr | 4.98 | 4.97 | 0.01 |
| May | 4.04 | 4.65 | -0.61 |
| Jun | 4.74 | 5.03 | -0.29 |
| Jul | 4.65 | 5.44 | -0.79 |
| Aug | 4.06 | 4.14 | -0.08 |
| Sep | 4.24 | 4.71 | -0.47 |
| Oct | 3.04 | 3.36 | -0.32 |
| Nov | 4.55 | 4.51 | 0.04 |
| Dec | 5.24 | 5.56 | -0.32 |
54.42 | 57.58 | -3.16 |