| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.17 | 5.16 | 0.01 |
| Feb | 4.48 | 4.47 | 0.01 |
| Mar | 5.10 | 5.07 | 0.03 |
| Apr | 4.96 | 4.93 | 0.03 |
| May | 4.64 | 4.96 | -0.32 |
| Jun | 5.22 | 5.28 | -0.06 |
| Jul | 5.42 | 5.37 | 0.05 |
| Aug | 5.75 | 5.67 | 0.08 |
| Sep | 5.00 | 4.94 | 0.06 |
| Oct | 4.32 | 4.40 | -0.08 |
| Nov | 4.52 | 4.53 | -0.01 |
| Dec | 5.67 | 5.62 | 0.05 |
60.25 | 60.40 | -0.15 |