| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.24 | 3.13 | 0.11 |
| Feb | 2.54 | 2.49 | 0.05 |
| Mar | 3.44 | 3.46 | -0.02 |
| Apr | 4.67 | 4.65 | 0.02 |
| May | 4.95 | 4.97 | -0.02 |
| Jun | 4.90 | 5.11 | -0.21 |
| Jul | 4.33 | 4.25 | 0.08 |
| Aug | 3.49 | 3.30 | 0.19 |
| Sep | 3.18 | 3.21 | -0.03 |
| Oct | 3.23 | 3.12 | 0.11 |
| Nov | 3.51 | 3.49 | 0.02 |
| Dec | 3.24 | 3.23 | 0.01 |
44.72 | 44.41 | 0.31 |