| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.54 | 0.01 |
| Feb | 2.85 | 2.86 | -0.01 |
| Mar | 4.05 | 4.13 | -0.08 |
| Apr | 3.60 | 3.80 | -0.20 |
| May | 3.56 | 3.57 | -0.01 |
| Jun | 4.03 | 4.29 | -0.26 |
| Jul | 4.39 | 4.47 | -0.08 |
| Aug | 4.07 | 4.09 | -0.02 |
| Sep | 4.69 | 4.82 | -0.13 |
| Oct | 3.13 | 3.17 | -0.04 |
| Nov | 3.33 | 3.34 | -0.01 |
| Dec | 3.38 | 3.49 | -0.11 |
44.63 | 45.57 | -0.94 |