| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.61 | 3.51 | 0.10 |
| Feb | 3.16 | 3.11 | 0.05 |
| Mar | 3.86 | 3.72 | 0.14 |
| Apr | 3.63 | 3.61 | 0.02 |
| May | 4.08 | 3.93 | 0.15 |
| Jun | 4.69 | 4.55 | 0.14 |
| Jul | 5.77 | 5.26 | 0.51 |
| Aug | 6.03 | 5.67 | 0.36 |
| Sep | 6.27 | 6.49 | -0.22 |
| Oct | 3.29 | 3.45 | -0.16 |
| Nov | 3.29 | 3.32 | -0.03 |
| Dec | 3.39 | 3.43 | -0.04 |
51.07 | 50.05 | 1.02 |