| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.79 | 5.64 | 0.15 |
| Feb | 4.91 | 4.66 | 0.25 |
| Mar | 5.19 | 5.14 | 0.05 |
| Apr | 5.28 | 5.03 | 0.25 |
| May | 5.20 | 5.37 | -0.17 |
| Jun | 6.23 | 6.47 | -0.24 |
| Jul | 6.72 | 7.08 | -0.36 |
| Aug | 6.46 | 6.49 | -0.03 |
| Sep | 4.60 | 4.81 | -0.21 |
| Oct | 3.95 | 4.02 | -0.07 |
| Nov | 4.02 | 3.96 | 0.06 |
| Dec | 5.21 | 5.09 | 0.12 |
63.56 | 63.76 | -0.20 |