| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.52 | 1.50 | 0.02 |
| Feb | 1.44 | 1.29 | 0.15 |
| Mar | 1.11 | 1.10 | 0.01 |
| Apr | 0.88 | 0.93 | -0.05 |
| May | 0.96 | 0.98 | -0.02 |
| Jun | 0.51 | 0.50 | 0.01 |
| Jul | 1.63 | 1.47 | 0.16 |
| Aug | 2.07 | 1.89 | 0.18 |
| Sep | 1.99 | 1.78 | 0.21 |
| Oct | 1.46 | 1.38 | 0.08 |
| Nov | 1.16 | 1.10 | 0.06 |
| Dec | 1.33 | 1.20 | 0.13 |
16.06 | 15.12 | 0.94 |