| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 0.90 | 0.01 |
| Feb | 1.10 | 1.11 | -0.01 |
| Mar | 1.41 | 1.47 | -0.06 |
| Apr | 1.63 | 1.55 | 0.08 |
| May | 2.60 | 2.69 | -0.09 |
| Jun | 2.42 | 2.37 | 0.05 |
| Jul | 1.72 | 1.51 | 0.21 |
| Aug | 2.16 | 2.35 | -0.19 |
| Sep | 2.54 | 2.45 | 0.09 |
| Oct | 2.40 | 2.36 | 0.04 |
| Nov | 1.16 | 1.24 | -0.08 |
| Dec | 0.93 | 0.91 | 0.02 |
20.98 | 20.91 | 0.07 |