| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.53 | 4.66 | -0.13 |
| Feb | 4.68 | 4.77 | -0.09 |
| Mar | 4.94 | 5.00 | -0.06 |
| Apr | 4.02 | 4.20 | -0.18 |
| May | 3.50 | 3.34 | 0.16 |
| Jun | 4.26 | 4.13 | 0.13 |
| Jul | 4.90 | 4.51 | 0.39 |
| Aug | 4.11 | 4.33 | -0.22 |
| Sep | 3.68 | 3.55 | 0.13 |
| Oct | 3.19 | 3.37 | -0.18 |
| Nov | 3.93 | 3.96 | -0.03 |
| Dec | 4.75 | 4.81 | -0.06 |
50.49 | 50.63 | -0.14 |