| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.91 | 3.80 | 0.11 |
| Feb | 4.37 | 4.31 | 0.06 |
| Mar | 5.37 | 5.18 | 0.19 |
| Apr | 5.74 | 5.87 | -0.13 |
| May | 6.37 | 6.50 | -0.13 |
| Jun | 4.45 | 4.70 | -0.25 |
| Jul | 4.51 | 4.16 | 0.35 |
| Aug | 4.09 | 3.73 | 0.36 |
| Sep | 4.15 | 4.14 | 0.01 |
| Oct | 4.79 | 4.74 | 0.05 |
| Nov | 4.98 | 5.39 | -0.41 |
| Dec | 5.32 | 5.25 | 0.07 |
58.05 | 57.77 | 0.28 |