| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.37 | 0.01 |
| Feb | 2.95 | 3.01 | -0.06 |
| Mar | 3.51 | 3.46 | 0.05 |
| Apr | 3.75 | 3.70 | 0.05 |
| May | 3.71 | 3.71 | 0.00 |
| Jun | 4.54 | 4.37 | 0.17 |
| Jul | 4.34 | 4.23 | 0.11 |
| Aug | 4.34 | 4.24 | 0.10 |
| Sep | 4.21 | 4.07 | 0.14 |
| Oct | 4.85 | 5.04 | -0.19 |
| Nov | 3.63 | 3.64 | -0.01 |
| Dec | 4.25 | 4.33 | -0.08 |
47.46 | 47.17 | 0.29 |