| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.62 | 5.64 | 1.98 |
| Feb | 7.46 | 5.01 | 2.45 |
| Mar | 5.26 | 3.65 | 1.61 |
| Apr | 2.61 | 1.63 | 0.98 |
| May | 1.37 | 1.11 | 0.26 |
| Jun | 0.35 | 0.25 | 0.10 |
| Jul | 0.01 | 0.01 | 0.00 |
| Aug | 0.05 | 0.04 | 0.01 |
| Sep | 0.14 | 0.11 | 0.03 |
| Oct | 1.53 | 1.05 | 0.48 |
| Nov | 3.74 | 2.63 | 1.11 |
| Dec | 7.73 | 5.47 | 2.26 |
37.87 | 26.60 | 11.27 |