| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.84 | 3.79 | 0.05 |
| Feb | 3.08 | 3.07 | 0.01 |
| Mar | 4.01 | 4.07 | -0.06 |
| Apr | 4.24 | 4.19 | 0.05 |
| May | 4.46 | 4.35 | 0.11 |
| Jun | 4.59 | 4.46 | 0.13 |
| Jul | 4.63 | 4.72 | -0.09 |
| Aug | 4.57 | 4.54 | 0.03 |
| Sep | 4.28 | 4.41 | -0.13 |
| Oct | 3.42 | 3.38 | 0.04 |
| Nov | 3.25 | 3.31 | -0.06 |
| Dec | 3.93 | 3.93 | 0.00 |
48.30 | 48.22 | 0.08 |