| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.21 | 0.18 | 0.03 |
| Feb | 0.31 | 0.30 | 0.01 |
| Mar | 0.64 | 0.60 | 0.04 |
| Apr | 1.23 | 1.20 | 0.03 |
| May | 2.08 | 2.08 | 0.00 |
| Jun | 2.13 | 2.24 | -0.11 |
| Jul | 2.67 | 2.62 | 0.05 |
| Aug | 2.59 | 2.52 | 0.07 |
| Sep | 0.98 | 0.97 | 0.01 |
| Oct | 0.88 | 0.97 | -0.09 |
| Nov | 0.33 | 0.29 | 0.04 |
| Dec | 0.25 | 0.23 | 0.02 |
14.30 | 14.20 | 0.10 |