| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.22 | 0.08 |
| Feb | 3.58 | 3.47 | 0.11 |
| Mar | 2.47 | 2.70 | -0.23 |
| Apr | 0.74 | 0.67 | 0.07 |
| May | 0.29 | 0.34 | -0.05 |
| Jun | 0.04 | 0.05 | -0.01 |
| Jul | 0.02 | 0.04 | -0.02 |
| Aug | 0.01 | 0.00 | 0.01 |
| Sep | 0.07 | 0.06 | 0.01 |
| Oct | 0.57 | 0.58 | -0.01 |
| Nov | 0.92 | 0.92 | 0.00 |
| Dec | 2.41 | 2.26 | 0.15 |
14.42 | 14.31 | 0.11 |