| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.22 | 3.24 | -0.02 |
| Feb | 2.83 | 2.81 | 0.02 |
| Mar | 3.91 | 3.88 | 0.03 |
| Apr | 4.44 | 4.49 | -0.05 |
| May | 4.71 | 4.70 | 0.01 |
| Jun | 4.69 | 4.48 | 0.21 |
| Jul | 4.34 | 4.16 | 0.18 |
| Aug | 3.31 | 3.29 | 0.02 |
| Sep | 3.07 | 3.10 | -0.03 |
| Oct | 3.13 | 3.10 | 0.03 |
| Nov | 3.07 | 3.07 | 0.00 |
| Dec | 3.47 | 3.36 | 0.11 |
44.19 | 43.68 | 0.51 |