| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.12 | 5.28 | -0.16 |
| Feb | 5.36 | 5.47 | -0.11 |
| Mar | 5.44 | 5.50 | -0.06 |
| Apr | 4.62 | 4.83 | -0.21 |
| May | 4.24 | 4.39 | -0.15 |
| Jun | 4.51 | 4.72 | -0.21 |
| Jul | 4.67 | 4.57 | 0.10 |
| Aug | 3.80 | 4.08 | -0.28 |
| Sep | 3.41 | 3.51 | -0.10 |
| Oct | 3.29 | 3.35 | -0.06 |
| Nov | 4.47 | 4.50 | -0.03 |
| Dec | 4.97 | 5.18 | -0.21 |
53.90 | 55.38 | -1.48 |