| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.86 | 3.93 | -0.07 |
| Feb | 3.57 | 3.66 | -0.09 |
| Mar | 4.17 | 4.16 | 0.01 |
| Apr | 3.15 | 3.18 | -0.03 |
| May | 3.27 | 3.17 | 0.10 |
| Jun | 4.20 | 4.22 | -0.02 |
| Jul | 3.95 | 3.91 | 0.04 |
| Aug | 4.10 | 4.41 | -0.31 |
| Sep | 3.79 | 3.98 | -0.19 |
| Oct | 3.28 | 3.37 | -0.09 |
| Nov | 3.36 | 3.41 | -0.05 |
| Dec | 4.19 | 4.16 | 0.03 |
44.89 | 45.56 | -0.67 |