| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.18 | 5.47 | -0.29 |
| Feb | 4.29 | 4.56 | -0.27 |
| Mar | 5.02 | 5.14 | -0.12 |
| Apr | 5.16 | 5.56 | -0.40 |
| May | 4.82 | 5.40 | -0.58 |
| Jun | 5.14 | 5.15 | -0.01 |
| Jul | 4.96 | 5.65 | -0.69 |
| Aug | 5.52 | 5.82 | -0.30 |
| Sep | 5.02 | 5.33 | -0.31 |
| Oct | 4.76 | 4.63 | 0.13 |
| Nov | 4.78 | 4.89 | -0.11 |
| Dec | 5.22 | 5.86 | -0.64 |
59.87 | 63.46 | -3.59 |