| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.15 | 3.27 | -0.12 |
| Feb | 2.75 | 2.86 | -0.11 |
| Mar | 3.34 | 3.45 | -0.11 |
| Apr | 3.67 | 3.86 | -0.19 |
| May | 3.73 | 3.77 | -0.04 |
| Jun | 4.46 | 4.76 | -0.30 |
| Jul | 4.32 | 4.59 | -0.27 |
| Aug | 3.93 | 4.11 | -0.18 |
| Sep | 3.80 | 3.72 | 0.08 |
| Oct | 4.12 | 4.35 | -0.23 |
| Nov | 3.33 | 3.48 | -0.15 |
| Dec | 3.69 | 4.05 | -0.36 |
44.29 | 46.27 | -1.98 |