| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.69 | 3.73 | -0.04 |
| Feb | 3.86 | 3.94 | -0.08 |
| Mar | 4.27 | 4.14 | 0.13 |
| Apr | 4.05 | 4.05 | 0.00 |
| May | 3.89 | 3.82 | 0.07 |
| Jun | 3.96 | 3.93 | 0.03 |
| Jul | 4.71 | 5.05 | -0.34 |
| Aug | 3.59 | 3.96 | -0.37 |
| Sep | 3.00 | 3.07 | -0.07 |
| Oct | 2.63 | 2.46 | 0.17 |
| Nov | 3.17 | 3.13 | 0.04 |
| Dec | 4.13 | 4.27 | -0.14 |
44.95 | 45.55 | -0.60 |