| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.67 | 4.70 | -0.03 |
| Feb | 4.18 | 4.23 | -0.05 |
| Mar | 4.86 | 4.96 | -0.10 |
| Apr | 3.79 | 3.89 | -0.10 |
| May | 3.03 | 3.11 | -0.08 |
| Jun | 6.33 | 6.72 | -0.39 |
| Jul | 6.60 | 6.71 | -0.11 |
| Aug | 6.18 | 6.71 | -0.53 |
| Sep | 5.12 | 5.11 | 0.01 |
| Oct | 3.21 | 3.19 | 0.02 |
| Nov | 3.03 | 3.25 | -0.22 |
| Dec | 4.05 | 4.13 | -0.08 |
55.05 | 56.71 | -1.66 |