| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.65 | -0.11 |
| Feb | 3.04 | 3.21 | -0.17 |
| Mar | 4.47 | 4.65 | -0.18 |
| Apr | 3.44 | 3.50 | -0.06 |
| May | 3.34 | 3.51 | -0.17 |
| Jun | 3.81 | 3.73 | 0.08 |
| Jul | 4.65 | 4.37 | 0.28 |
| Aug | 4.57 | 4.58 | -0.01 |
| Sep | 3.75 | 3.81 | -0.06 |
| Oct | 3.89 | 4.29 | -0.40 |
| Nov | 3.28 | 3.41 | -0.13 |
| Dec | 4.42 | 4.63 | -0.21 |
46.20 | 47.34 | -1.14 |