| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.15 | 3.11 | 0.04 |
| Feb | 2.71 | 2.80 | -0.09 |
| Mar | 4.08 | 3.98 | 0.10 |
| Apr | 3.27 | 3.24 | 0.03 |
| May | 3.86 | 4.08 | -0.22 |
| Jun | 4.25 | 4.32 | -0.07 |
| Jul | 4.39 | 4.49 | -0.10 |
| Aug | 4.43 | 4.54 | -0.11 |
| Sep | 4.59 | 4.49 | 0.10 |
| Oct | 3.92 | 4.10 | -0.18 |
| Nov | 3.21 | 3.18 | 0.03 |
| Dec | 3.71 | 3.73 | -0.02 |
45.57 | 46.06 | -0.49 |