| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.93 | 4.89 | 0.04 |
| Feb | 5.18 | 5.12 | 0.06 |
| Mar | 4.98 | 5.03 | -0.05 |
| Apr | 4.91 | 5.11 | -0.20 |
| May | 3.90 | 4.25 | -0.35 |
| Jun | 4.45 | 4.52 | -0.07 |
| Jul | 4.63 | 5.39 | -0.76 |
| Aug | 3.81 | 3.66 | 0.15 |
| Sep | 4.00 | 4.01 | -0.01 |
| Oct | 3.47 | 3.01 | 0.46 |
| Nov | 4.41 | 4.05 | 0.36 |
| Dec | 5.79 | 5.60 | 0.19 |
54.46 | 54.64 | -0.18 |