| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.63 | 4.71 | -0.08 |
| Feb | 4.69 | 4.78 | -0.09 |
| Mar | 4.87 | 4.94 | -0.07 |
| Apr | 4.02 | 4.20 | -0.18 |
| May | 3.55 | 3.39 | 0.16 |
| Jun | 4.44 | 4.28 | 0.16 |
| Jul | 4.86 | 4.83 | 0.03 |
| Aug | 4.20 | 4.33 | -0.13 |
| Sep | 3.66 | 3.63 | 0.03 |
| Oct | 3.31 | 3.46 | -0.15 |
| Nov | 3.98 | 4.00 | -0.02 |
| Dec | 4.71 | 4.79 | -0.08 |
50.92 | 51.34 | -0.42 |