| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.94 | 4.08 | -0.14 |
| Feb | 3.48 | 3.50 | -0.02 |
| Mar | 4.58 | 4.73 | -0.15 |
| Apr | 4.36 | 4.56 | -0.20 |
| May | 3.59 | 3.54 | 0.05 |
| Jun | 4.18 | 4.26 | -0.08 |
| Jul | 3.56 | 3.58 | -0.02 |
| Aug | 3.83 | 3.96 | -0.13 |
| Sep | 3.95 | 4.05 | -0.10 |
| Oct | 4.98 | 4.96 | 0.02 |
| Nov | 4.04 | 4.07 | -0.03 |
| Dec | 4.79 | 5.04 | -0.25 |
49.28 | 50.33 | -1.05 |