| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.46 | 0.47 | -0.01 |
| Feb | 0.53 | 0.58 | -0.05 |
| Mar | 1.22 | 1.56 | -0.34 |
| Apr | 2.11 | 2.22 | -0.11 |
| May | 2.81 | 3.18 | -0.37 |
| Jun | 1.84 | 1.98 | -0.14 |
| Jul | 1.73 | 1.85 | -0.12 |
| Aug | 1.54 | 1.42 | 0.12 |
| Sep | 1.45 | 1.53 | -0.08 |
| Oct | 1.18 | 1.37 | -0.19 |
| Nov | 0.75 | 0.92 | -0.17 |
| Dec | 0.48 | 0.59 | -0.11 |
16.10 | 17.67 | -1.57 |