| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.51 | 4.85 | -0.34 |
| Feb | 4.10 | 4.34 | -0.24 |
| Mar | 4.53 | 4.76 | -0.23 |
| Apr | 3.90 | 4.14 | -0.24 |
| May | 3.77 | 3.88 | -0.11 |
| Jun | 4.18 | 4.10 | 0.08 |
| Jul | 4.05 | 4.15 | -0.10 |
| Aug | 4.64 | 5.20 | -0.56 |
| Sep | 3.80 | 3.90 | -0.10 |
| Oct | 3.45 | 3.73 | -0.28 |
| Nov | 3.71 | 3.93 | -0.22 |
| Dec | 4.68 | 5.07 | -0.39 |
49.32 | 52.05 | -2.73 |