| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.30 | -0.21 |
| Feb | 2.44 | 2.62 | -0.18 |
| Mar | 3.25 | 3.21 | 0.04 |
| Apr | 3.47 | 3.60 | -0.13 |
| May | 3.88 | 3.94 | -0.06 |
| Jun | 4.53 | 4.46 | 0.07 |
| Jul | 4.39 | 4.36 | 0.03 |
| Aug | 3.66 | 3.71 | -0.05 |
| Sep | 3.73 | 3.80 | -0.07 |
| Oct | 3.07 | 3.13 | -0.06 |
| Nov | 3.04 | 3.13 | -0.09 |
| Dec | 3.24 | 3.25 | -0.01 |
41.79 | 42.51 | -0.72 |