| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.98 | 4.08 | -0.10 |
| Feb | 3.94 | 3.98 | -0.04 |
| Mar | 4.57 | 4.71 | -0.14 |
| Apr | 4.53 | 4.56 | -0.03 |
| May | 4.77 | 5.00 | -0.23 |
| Jun | 4.93 | 5.03 | -0.10 |
| Jul | 5.16 | 5.26 | -0.10 |
| Aug | 4.34 | 4.25 | 0.09 |
| Sep | 3.30 | 3.34 | -0.04 |
| Oct | 3.07 | 2.95 | 0.12 |
| Nov | 3.28 | 3.17 | 0.11 |
| Dec | 4.74 | 4.87 | -0.13 |
50.61 | 51.20 | -0.59 |