| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.95 | 4.98 | -0.03 |
| Feb | 4.95 | 4.91 | 0.04 |
| Mar | 5.09 | 5.05 | 0.04 |
| Apr | 4.19 | 4.27 | -0.08 |
| May | 4.06 | 4.03 | 0.03 |
| Jun | 4.81 | 4.55 | 0.26 |
| Jul | 4.63 | 4.83 | -0.20 |
| Aug | 4.64 | 4.65 | -0.01 |
| Sep | 4.03 | 4.19 | -0.16 |
| Oct | 3.82 | 3.71 | 0.11 |
| Nov | 4.39 | 4.30 | 0.09 |
| Dec | 4.92 | 4.88 | 0.04 |
54.48 | 54.35 | 0.13 |