| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.36 | 0.00 |
| Feb | 0.50 | 0.47 | 0.03 |
| Mar | 0.87 | 0.88 | -0.01 |
| Apr | 1.81 | 1.82 | -0.01 |
| May | 2.70 | 2.71 | -0.01 |
| Jun | 2.60 | 2.71 | -0.11 |
| Jul | 2.28 | 2.28 | 0.00 |
| Aug | 1.38 | 1.45 | -0.07 |
| Sep | 1.24 | 1.22 | 0.02 |
| Oct | 1.19 | 1.28 | -0.09 |
| Nov | 0.47 | 0.57 | -0.10 |
| Dec | 0.37 | 0.45 | -0.08 |
15.77 | 16.20 | -0.43 |