| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.85 | 5.32 | -0.47 |
| Feb | 3.10 | 3.49 | -0.39 |
| Mar | 3.47 | 4.47 | -1.00 |
| Apr | 2.78 | 3.53 | -0.75 |
| May | 2.37 | 2.59 | -0.22 |
| Jun | 1.77 | 2.10 | -0.33 |
| Jul | 1.02 | 1.07 | -0.05 |
| Aug | 1.16 | 1.10 | 0.06 |
| Sep | 2.11 | 2.37 | -0.26 |
| Oct | 3.92 | 4.52 | -0.60 |
| Nov | 5.51 | 6.58 | -1.07 |
| Dec | 4.73 | 5.60 | -0.87 |
36.79 | 42.74 | -5.95 |