| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.92 | 3.03 | -0.11 |
| Feb | 2.60 | 2.65 | -0.05 |
| Mar | 3.80 | 3.84 | -0.04 |
| Apr | 3.37 | 3.39 | -0.02 |
| May | 4.19 | 4.34 | -0.15 |
| Jun | 4.29 | 4.47 | -0.18 |
| Jul | 4.44 | 4.46 | -0.02 |
| Aug | 4.00 | 3.94 | 0.06 |
| Sep | 4.33 | 4.43 | -0.10 |
| Oct | 3.88 | 3.98 | -0.10 |
| Nov | 3.08 | 3.13 | -0.05 |
| Dec | 3.67 | 3.70 | -0.03 |
44.57 | 45.36 | -0.79 |