| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.87 | -0.04 |
| Feb | 0.93 | 0.92 | 0.01 |
| Mar | 1.72 | 1.73 | -0.01 |
| Apr | 3.22 | 3.09 | 0.13 |
| May | 4.32 | 4.24 | 0.08 |
| Jun | 5.10 | 5.32 | -0.22 |
| Jul | 4.35 | 4.47 | -0.12 |
| Aug | 4.20 | 4.29 | -0.09 |
| Sep | 3.34 | 3.48 | -0.14 |
| Oct | 2.48 | 2.59 | -0.11 |
| Nov | 1.52 | 1.51 | 0.01 |
| Dec | 1.18 | 1.11 | 0.07 |
33.19 | 33.62 | -0.43 |