| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.90 | 2.06 | -0.16 |
| Feb | 2.18 | 2.40 | -0.22 |
| Mar | 1.46 | 1.63 | -0.17 |
| Apr | 0.63 | 0.74 | -0.11 |
| May | 0.22 | 0.27 | -0.05 |
| Jun | 0.05 | 0.05 | 0.00 |
| Jul | 0.03 | 0.08 | -0.05 |
| Aug | 0.02 | 0.03 | -0.01 |
| Sep | 0.12 | 0.12 | 0.00 |
| Oct | 0.38 | 0.48 | -0.10 |
| Nov | 0.77 | 0.74 | 0.03 |
| Dec | 1.56 | 1.69 | -0.13 |
9.32 | 10.29 | -0.97 |