| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.50 | -0.13 |
| Feb | 3.22 | 3.36 | -0.14 |
| Mar | 3.48 | 3.53 | -0.05 |
| Apr | 3.26 | 3.21 | 0.05 |
| May | 3.38 | 3.64 | -0.26 |
| Jun | 5.61 | 5.70 | -0.09 |
| Jul | 5.71 | 6.13 | -0.42 |
| Aug | 6.19 | 6.35 | -0.16 |
| Sep | 4.95 | 5.33 | -0.38 |
| Oct | 4.16 | 4.18 | -0.02 |
| Nov | 2.91 | 2.85 | 0.06 |
| Dec | 3.40 | 3.59 | -0.19 |
49.64 | 51.37 | -1.73 |