| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.78 | 3.78 | 0.00 |
| Feb | 4.14 | 4.10 | 0.04 |
| Mar | 5.08 | 4.98 | 0.10 |
| Apr | 5.48 | 5.52 | -0.04 |
| May | 5.29 | 5.18 | 0.11 |
| Jun | 3.39 | 3.40 | -0.01 |
| Jul | 3.62 | 3.63 | -0.01 |
| Aug | 3.63 | 3.12 | 0.51 |
| Sep | 3.17 | 3.29 | -0.12 |
| Oct | 4.37 | 4.17 | 0.20 |
| Nov | 4.61 | 4.67 | -0.06 |
| Dec | 5.25 | 5.34 | -0.09 |
51.81 | 51.18 | 0.63 |