| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.75 | -0.16 |
| Feb | 3.17 | 3.36 | -0.19 |
| Mar | 4.25 | 4.45 | -0.20 |
| Apr | 4.33 | 4.59 | -0.26 |
| May | 3.92 | 4.08 | -0.16 |
| Jun | 4.38 | 4.41 | -0.03 |
| Jul | 3.99 | 4.04 | -0.05 |
| Aug | 4.07 | 4.28 | -0.21 |
| Sep | 4.52 | 4.54 | -0.02 |
| Oct | 4.72 | 4.94 | -0.22 |
| Nov | 3.93 | 3.93 | 0.00 |
| Dec | 4.40 | 4.57 | -0.17 |
49.27 | 50.94 | -1.67 |