| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.50 | -0.11 |
| Feb | 3.35 | 3.55 | -0.20 |
| Mar | 4.54 | 4.60 | -0.06 |
| Apr | 4.43 | 4.52 | -0.09 |
| May | 5.08 | 5.21 | -0.13 |
| Jun | 4.76 | 4.90 | -0.14 |
| Jul | 5.21 | 5.05 | 0.16 |
| Aug | 3.49 | 3.36 | 0.13 |
| Sep | 3.72 | 3.57 | 0.15 |
| Oct | 3.43 | 3.40 | 0.03 |
| Nov | 3.23 | 3.25 | -0.02 |
| Dec | 4.00 | 4.07 | -0.07 |
48.63 | 48.98 | -0.35 |