| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.21 | 3.32 | -0.11 |
| Feb | 2.74 | 2.76 | -0.02 |
| Mar | 3.62 | 3.75 | -0.13 |
| Apr | 3.37 | 3.39 | -0.02 |
| May | 4.00 | 4.47 | -0.47 |
| Jun | 4.17 | 4.25 | -0.08 |
| Jul | 4.07 | 4.04 | 0.03 |
| Aug | 3.74 | 3.75 | -0.01 |
| Sep | 4.44 | 4.56 | -0.12 |
| Oct | 3.67 | 3.72 | -0.05 |
| Nov | 3.38 | 3.47 | -0.09 |
| Dec | 3.55 | 3.70 | -0.15 |
43.96 | 45.18 | -1.22 |