| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.60 | -0.28 |
| Feb | 2.87 | 3.35 | -0.48 |
| Mar | 3.58 | 4.14 | -0.56 |
| Apr | 4.07 | 4.50 | -0.43 |
| May | 3.60 | 3.86 | -0.26 |
| Jun | 4.73 | 5.24 | -0.51 |
| Jul | 3.82 | 4.11 | -0.29 |
| Aug | 3.98 | 4.16 | -0.18 |
| Sep | 3.49 | 3.59 | -0.10 |
| Oct | 5.18 | 5.63 | -0.45 |
| Nov | 4.15 | 4.43 | -0.28 |
| Dec | 4.08 | 4.65 | -0.57 |
46.87 | 51.26 | -4.39 |