| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.34 | 0.51 | -0.17 |
| Feb | 0.44 | 0.56 | -0.12 |
| Mar | 0.73 | 1.20 | -0.47 |
| Apr | 1.62 | 2.08 | -0.46 |
| May | 2.07 | 2.22 | -0.15 |
| Jun | 2.05 | 2.31 | -0.26 |
| Jul | 3.32 | 3.23 | 0.09 |
| Aug | 2.65 | 3.67 | -1.02 |
| Sep | 1.33 | 1.67 | -0.34 |
| Oct | 0.89 | 0.88 | 0.01 |
| Nov | 0.58 | 0.71 | -0.13 |
| Dec | 0.35 | 0.53 | -0.18 |
16.37 | 19.57 | -3.20 |