| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.71 | 2.06 | -0.35 |
| Feb | 1.42 | 1.55 | -0.13 |
| Mar | 1.37 | 1.45 | -0.08 |
| Apr | 1.48 | 1.30 | 0.18 |
| May | 1.91 | 1.50 | 0.41 |
| Jun | 1.58 | 1.51 | 0.07 |
| Jul | 1.01 | 0.96 | 0.05 |
| Aug | 1.11 | 1.19 | -0.08 |
| Sep | 1.43 | 1.27 | 0.16 |
| Oct | 1.49 | 1.22 | 0.27 |
| Nov | 1.60 | 1.35 | 0.25 |
| Dec | 1.93 | 2.40 | -0.47 |
18.04 | 17.76 | 0.28 |