| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.32 | 1.26 | 0.06 |
| Feb | 1.49 | 1.52 | -0.03 |
| Mar | 2.56 | 2.57 | -0.01 |
| Apr | 3.55 | 3.51 | 0.04 |
| May | 5.12 | 5.07 | 0.05 |
| Jun | 4.46 | 4.46 | 0.00 |
| Jul | 3.27 | 3.23 | 0.04 |
| Aug | 3.34 | 3.23 | 0.11 |
| Sep | 3.48 | 3.52 | -0.04 |
| Oct | 3.26 | 3.21 | 0.05 |
| Nov | 1.96 | 1.93 | 0.03 |
| Dec | 1.88 | 1.83 | 0.05 |
35.69 | 35.34 | 0.35 |