| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.21 | 0.05 |
| Feb | 3.07 | 2.86 | 0.21 |
| Mar | 4.15 | 4.17 | -0.02 |
| Apr | 3.37 | 3.37 | 0.00 |
| May | 3.43 | 3.58 | -0.15 |
| Jun | 3.59 | 3.52 | 0.07 |
| Jul | 4.21 | 4.06 | 0.15 |
| Aug | 4.59 | 4.21 | 0.38 |
| Sep | 4.03 | 3.71 | 0.32 |
| Oct | 4.10 | 4.22 | -0.12 |
| Nov | 3.33 | 3.25 | 0.08 |
| Dec | 4.11 | 4.03 | 0.08 |
45.24 | 44.19 | 1.05 |