| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.30 | 0.32 | -0.02 |
| Feb | 0.41 | 0.41 | 0.00 |
| Mar | 0.79 | 0.80 | -0.01 |
| Apr | 1.59 | 1.63 | -0.04 |
| May | 2.80 | 2.81 | -0.01 |
| Jun | 2.52 | 2.61 | -0.09 |
| Jul | 2.79 | 2.79 | 0.00 |
| Aug | 2.33 | 2.54 | -0.21 |
| Sep | 1.18 | 1.22 | -0.04 |
| Oct | 1.11 | 1.16 | -0.05 |
| Nov | 0.52 | 0.52 | 0.00 |
| Dec | 0.40 | 0.43 | -0.03 |
16.74 | 17.24 | -0.50 |