| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.75 | -0.16 |
| Feb | 3.05 | 3.17 | -0.12 |
| Mar | 3.76 | 4.03 | -0.27 |
| Apr | 3.49 | 3.59 | -0.10 |
| May | 3.59 | 3.35 | 0.24 |
| Jun | 4.08 | 4.09 | -0.01 |
| Jul | 3.77 | 3.88 | -0.11 |
| Aug | 4.10 | 4.23 | -0.13 |
| Sep | 3.71 | 3.93 | -0.22 |
| Oct | 3.18 | 3.30 | -0.12 |
| Nov | 3.20 | 3.29 | -0.09 |
| Dec | 3.49 | 3.74 | -0.25 |
43.01 | 44.35 | -1.34 |