| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.73 | -0.14 |
| Feb | 3.39 | 3.50 | -0.11 |
| Mar | 4.33 | 4.35 | -0.02 |
| Apr | 4.26 | 4.36 | -0.10 |
| May | 5.05 | 5.15 | -0.10 |
| Jun | 4.61 | 4.74 | -0.13 |
| Jul | 5.46 | 5.67 | -0.21 |
| Aug | 4.12 | 4.15 | -0.03 |
| Sep | 3.47 | 3.48 | -0.01 |
| Oct | 3.13 | 3.00 | 0.13 |
| Nov | 3.13 | 3.08 | 0.05 |
| Dec | 4.00 | 4.06 | -0.06 |
48.54 | 49.27 | -0.73 |