| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.47 | 2.38 | 0.09 |
| Feb | 2.51 | 2.40 | 0.11 |
| Mar | 2.71 | 2.57 | 0.14 |
| Apr | 3.39 | 3.18 | 0.21 |
| May | 5.43 | 5.70 | -0.27 |
| Jun | 8.78 | 8.70 | 0.08 |
| Jul | 6.63 | 7.14 | -0.51 |
| Aug | 7.94 | 8.19 | -0.25 |
| Sep | 8.12 | 8.57 | -0.45 |
| Oct | 6.61 | 6.57 | 0.04 |
| Nov | 3.65 | 3.86 | -0.21 |
| Dec | 2.55 | 2.49 | 0.06 |
60.79 | 61.75 | -0.96 |