| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.35 | 0.00 |
| Feb | 0.40 | 0.40 | 0.00 |
| Mar | 0.92 | 0.92 | 0.00 |
| Apr | 1.46 | 1.41 | 0.05 |
| May | 2.20 | 2.15 | 0.05 |
| Jun | 2.78 | 2.60 | 0.18 |
| Jul | 3.17 | 3.08 | 0.09 |
| Aug | 3.01 | 2.81 | 0.20 |
| Sep | 1.18 | 1.19 | -0.01 |
| Oct | 1.44 | 1.42 | 0.02 |
| Nov | 0.51 | 0.48 | 0.03 |
| Dec | 0.50 | 0.57 | -0.07 |
17.92 | 17.38 | 0.54 |