| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.86 | 1.71 | 0.15 |
| Feb | 1.26 | 1.22 | 0.04 |
| Mar | 1.25 | 1.24 | 0.01 |
| Apr | 1.40 | 1.53 | -0.13 |
| May | 1.88 | 2.10 | -0.22 |
| Jun | 2.89 | 3.21 | -0.32 |
| Jul | 1.19 | 1.26 | -0.07 |
| Aug | 0.89 | 0.95 | -0.06 |
| Sep | 1.25 | 1.27 | -0.02 |
| Oct | 1.57 | 1.45 | 0.12 |
| Nov | 1.85 | 1.62 | 0.23 |
| Dec | 1.89 | 1.99 | -0.10 |
19.18 | 19.55 | -0.37 |