| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.08 | 4.12 | -0.04 |
| Feb | 3.16 | 3.25 | -0.09 |
| Mar | 3.61 | 3.63 | -0.02 |
| Apr | 3.92 | 3.87 | 0.05 |
| May | 5.05 | 5.09 | -0.04 |
| Jun | 5.34 | 5.34 | 0.00 |
| Jul | 4.12 | 3.90 | 0.22 |
| Aug | 4.78 | 4.82 | -0.04 |
| Sep | 4.57 | 4.91 | -0.34 |
| Oct | 5.21 | 5.26 | -0.05 |
| Nov | 4.25 | 4.60 | -0.35 |
| Dec | 4.16 | 4.19 | -0.03 |
52.25 | 52.98 | -0.73 |