| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.80 | -0.42 |
| Feb | 2.94 | 3.24 | -0.30 |
| Mar | 3.93 | 4.29 | -0.36 |
| Apr | 3.97 | 4.45 | -0.48 |
| May | 3.54 | 3.66 | -0.12 |
| Jun | 4.27 | 4.20 | 0.07 |
| Jul | 3.98 | 4.11 | -0.13 |
| Aug | 3.87 | 4.05 | -0.18 |
| Sep | 4.12 | 4.35 | -0.23 |
| Oct | 4.75 | 4.94 | -0.19 |
| Nov | 3.72 | 3.95 | -0.23 |
| Dec | 4.15 | 4.53 | -0.38 |
46.62 | 49.57 | -2.95 |