| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.80 | -0.16 |
| Feb | 3.08 | 3.29 | -0.21 |
| Mar | 3.92 | 3.95 | -0.03 |
| Apr | 3.36 | 3.49 | -0.13 |
| May | 3.73 | 3.95 | -0.22 |
| Jun | 4.54 | 4.47 | 0.07 |
| Jul | 5.57 | 5.57 | 0.00 |
| Aug | 5.47 | 5.34 | 0.13 |
| Sep | 4.93 | 4.77 | 0.16 |
| Oct | 3.80 | 3.81 | -0.01 |
| Nov | 3.14 | 3.62 | -0.48 |
| Dec | 3.49 | 3.86 | -0.37 |
48.67 | 49.92 | -1.25 |