| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.35 | 0.03 |
| Feb | 0.42 | 0.43 | -0.01 |
| Mar | 1.01 | 1.14 | -0.13 |
| Apr | 1.91 | 1.92 | -0.01 |
| May | 2.43 | 2.72 | -0.29 |
| Jun | 1.72 | 1.78 | -0.06 |
| Jul | 1.62 | 1.46 | 0.16 |
| Aug | 1.32 | 1.33 | -0.01 |
| Sep | 1.32 | 1.24 | 0.08 |
| Oct | 1.10 | 1.18 | -0.08 |
| Nov | 0.63 | 0.64 | -0.01 |
| Dec | 0.35 | 0.41 | -0.06 |
14.21 | 14.60 | -0.39 |