| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.46 | -0.05 |
| Feb | 0.42 | 0.42 | 0.00 |
| Mar | 0.71 | 0.75 | -0.04 |
| Apr | 1.67 | 1.72 | -0.05 |
| May | 2.74 | 2.63 | 0.11 |
| Jun | 2.83 | 2.93 | -0.10 |
| Jul | 1.54 | 1.56 | -0.02 |
| Aug | 1.13 | 1.14 | -0.01 |
| Sep | 1.19 | 1.17 | 0.02 |
| Oct | 1.17 | 1.25 | -0.08 |
| Nov | 0.52 | 0.51 | 0.01 |
| Dec | 0.44 | 0.46 | -0.02 |
14.77 | 15.00 | -0.23 |