| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.32 | 5.15 | 0.17 |
| Feb | 5.16 | 5.26 | -0.10 |
| Mar | 5.42 | 5.39 | 0.03 |
| Apr | 4.80 | 4.59 | 0.21 |
| May | 4.05 | 4.16 | -0.11 |
| Jun | 4.78 | 4.57 | 0.21 |
| Jul | 4.98 | 4.82 | 0.16 |
| Aug | 4.26 | 4.09 | 0.17 |
| Sep | 3.45 | 3.53 | -0.08 |
| Oct | 3.34 | 3.34 | 0.00 |
| Nov | 4.42 | 4.34 | 0.08 |
| Dec | 5.35 | 5.18 | 0.17 |
55.33 | 54.42 | 0.91 |