| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.12 | 5.15 | -0.03 |
| Feb | 4.94 | 4.98 | -0.04 |
| Mar | 5.51 | 5.38 | 0.13 |
| Apr | 5.24 | 5.79 | -0.55 |
| May | 4.91 | 4.60 | 0.31 |
| Jun | 4.53 | 4.32 | 0.21 |
| Jul | 3.74 | 3.63 | 0.11 |
| Aug | 3.42 | 3.11 | 0.31 |
| Sep | 3.68 | 3.93 | -0.25 |
| Oct | 4.54 | 4.72 | -0.18 |
| Nov | 4.26 | 4.34 | -0.08 |
| Dec | 5.62 | 5.46 | 0.16 |
55.51 | 55.41 | 0.10 |