| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.10 | 4.23 | -0.13 |
| Feb | 3.61 | 3.64 | -0.03 |
| Mar | 5.36 | 5.36 | 0.00 |
| Apr | 4.42 | 4.50 | -0.08 |
| May | 3.54 | 3.58 | -0.04 |
| Jun | 3.75 | 3.79 | -0.04 |
| Jul | 3.15 | 3.22 | -0.07 |
| Aug | 3.66 | 3.71 | -0.05 |
| Sep | 4.12 | 4.13 | -0.01 |
| Oct | 4.94 | 4.87 | 0.07 |
| Nov | 4.41 | 4.38 | 0.03 |
| Dec | 4.89 | 5.11 | -0.22 |
49.95 | 50.52 | -0.57 |