| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.34 | -0.15 |
| Feb | 2.87 | 2.95 | -0.08 |
| Mar | 3.47 | 3.65 | -0.18 |
| Apr | 3.76 | 3.93 | -0.17 |
| May | 3.67 | 4.20 | -0.53 |
| Jun | 4.32 | 4.61 | -0.29 |
| Jul | 4.47 | 4.43 | 0.04 |
| Aug | 3.84 | 4.09 | -0.25 |
| Sep | 3.86 | 3.91 | -0.05 |
| Oct | 4.96 | 5.43 | -0.47 |
| Nov | 3.83 | 4.05 | -0.22 |
| Dec | 4.10 | 4.46 | -0.36 |
46.34 | 49.05 | -2.71 |