| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.40 | 0.01 |
| Feb | 0.37 | 0.32 | 0.05 |
| Mar | 0.90 | 0.90 | 0.00 |
| Apr | 1.32 | 1.29 | 0.03 |
| May | 2.01 | 1.67 | 0.34 |
| Jun | 2.10 | 1.99 | 0.11 |
| Jul | 2.73 | 2.92 | -0.19 |
| Aug | 2.81 | 2.73 | 0.08 |
| Sep | 1.26 | 1.37 | -0.11 |
| Oct | 1.18 | 1.10 | 0.08 |
| Nov | 0.59 | 0.47 | 0.12 |
| Dec | 0.52 | 0.57 | -0.05 |
16.20 | 15.73 | 0.47 |