| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.56 | 0.07 |
| Feb | 0.77 | 0.67 | 0.10 |
| Mar | 1.56 | 1.53 | 0.03 |
| Apr | 2.62 | 2.29 | 0.33 |
| May | 3.24 | 3.32 | -0.08 |
| Jun | 2.02 | 2.12 | -0.10 |
| Jul | 2.15 | 2.18 | -0.03 |
| Aug | 1.88 | 1.79 | 0.09 |
| Sep | 1.66 | 1.68 | -0.02 |
| Oct | 1.43 | 1.35 | 0.08 |
| Nov | 0.97 | 0.92 | 0.05 |
| Dec | 0.64 | 0.63 | 0.01 |
19.57 | 19.04 | 0.53 |