| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.53 | 4.62 | -0.09 |
| Feb | 3.59 | 3.67 | -0.08 |
| Mar | 4.70 | 4.74 | -0.04 |
| Apr | 5.25 | 5.31 | -0.06 |
| May | 5.42 | 5.27 | 0.15 |
| Jun | 5.38 | 5.57 | -0.19 |
| Jul | 5.42 | 5.63 | -0.21 |
| Aug | 5.14 | 5.02 | 0.12 |
| Sep | 5.36 | 5.23 | 0.13 |
| Oct | 4.42 | 4.21 | 0.21 |
| Nov | 4.31 | 4.31 | 0.00 |
| Dec | 4.41 | 4.48 | -0.07 |
57.93 | 58.06 | -0.13 |