| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.73 | 3.32 | -0.59 |
| Feb | 2.57 | 2.84 | -0.27 |
| Mar | 2.95 | 3.54 | -0.59 |
| Apr | 3.32 | 4.03 | -0.71 |
| May | 3.73 | 4.19 | -0.46 |
| Jun | 4.64 | 4.97 | -0.33 |
| Jul | 4.57 | 5.06 | -0.49 |
| Aug | 4.06 | 4.24 | -0.18 |
| Sep | 3.58 | 4.11 | -0.53 |
| Oct | 4.32 | 5.02 | -0.70 |
| Nov | 3.21 | 3.83 | -0.62 |
| Dec | 3.40 | 4.15 | -0.75 |
43.08 | 49.30 | -6.22 |