| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.24 | 1.19 | 0.05 |
| Feb | 1.56 | 1.43 | 0.13 |
| Mar | 2.55 | 2.62 | -0.07 |
| Apr | 3.59 | 3.48 | 0.11 |
| May | 4.88 | 4.89 | -0.01 |
| Jun | 4.72 | 4.75 | -0.03 |
| Jul | 3.22 | 3.37 | -0.15 |
| Aug | 3.46 | 3.36 | 0.10 |
| Sep | 3.20 | 3.39 | -0.19 |
| Oct | 3.26 | 3.29 | -0.03 |
| Nov | 2.08 | 1.92 | 0.16 |
| Dec | 1.70 | 1.73 | -0.03 |
35.46 | 35.42 | 0.04 |