| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.25 | 4.19 | 0.06 |
| Feb | 4.65 | 4.60 | 0.05 |
| Mar | 5.04 | 4.93 | 0.11 |
| Apr | 4.89 | 4.81 | 0.08 |
| May | 5.01 | 5.23 | -0.22 |
| Jun | 4.31 | 4.28 | 0.03 |
| Jul | 4.50 | 4.47 | 0.03 |
| Aug | 3.73 | 3.55 | 0.18 |
| Sep | 3.93 | 3.87 | 0.06 |
| Oct | 3.52 | 3.45 | 0.07 |
| Nov | 3.71 | 3.79 | -0.08 |
| Dec | 4.86 | 4.91 | -0.05 |
52.40 | 52.08 | 0.32 |