| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.72 | 4.82 | -0.10 |
| Feb | 4.81 | 4.93 | -0.12 |
| Mar | 4.86 | 5.06 | -0.20 |
| Apr | 4.11 | 4.35 | -0.24 |
| May | 3.92 | 3.98 | -0.06 |
| Jun | 4.26 | 4.14 | 0.12 |
| Jul | 4.81 | 4.79 | 0.02 |
| Aug | 3.98 | 4.08 | -0.10 |
| Sep | 3.93 | 4.09 | -0.16 |
| Oct | 3.41 | 3.44 | -0.03 |
| Nov | 4.14 | 4.29 | -0.15 |
| Dec | 4.64 | 4.74 | -0.10 |
51.59 | 52.71 | -1.12 |