| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.40 | 4.96 | 0.44 |
| Feb | 3.90 | 3.44 | 0.46 |
| Mar | 3.57 | 3.45 | 0.12 |
| Apr | 2.31 | 2.35 | -0.04 |
| May | 1.48 | 1.34 | 0.14 |
| Jun | 0.71 | 0.64 | 0.07 |
| Jul | 0.28 | 0.23 | 0.05 |
| Aug | 0.26 | 0.23 | 0.03 |
| Sep | 0.52 | 0.53 | -0.01 |
| Oct | 1.89 | 1.96 | -0.07 |
| Nov | 4.36 | 4.02 | 0.34 |
| Dec | 6.45 | 5.86 | 0.59 |
31.13 | 29.01 | 2.12 |