| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.23 | 4.27 | -0.04 |
| Feb | 4.86 | 4.71 | 0.15 |
| Mar | 5.60 | 5.64 | -0.04 |
| Apr | 5.42 | 5.35 | 0.07 |
| May | 5.32 | 5.57 | -0.25 |
| Jun | 4.65 | 4.83 | -0.18 |
| Jul | 4.42 | 4.52 | -0.10 |
| Aug | 3.66 | 3.50 | 0.16 |
| Sep | 3.94 | 3.92 | 0.02 |
| Oct | 3.68 | 3.79 | -0.11 |
| Nov | 4.50 | 4.37 | 0.13 |
| Dec | 5.23 | 5.24 | -0.01 |
55.51 | 55.71 | -0.20 |