| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.07 | 4.02 | 0.05 |
| Feb | 4.44 | 4.50 | -0.06 |
| Mar | 4.77 | 4.77 | 0.00 |
| Apr | 5.15 | 5.04 | 0.11 |
| May | 5.32 | 5.42 | -0.10 |
| Jun | 4.18 | 4.26 | -0.08 |
| Jul | 4.46 | 4.53 | -0.07 |
| Aug | 3.81 | 3.72 | 0.09 |
| Sep | 3.66 | 3.81 | -0.15 |
| Oct | 3.76 | 3.73 | 0.03 |
| Nov | 3.78 | 3.71 | 0.07 |
| Dec | 4.78 | 4.76 | 0.02 |
52.18 | 52.27 | -0.09 |