| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.59 | 5.15 | -0.56 |
| Feb | 3.61 | 3.76 | -0.15 |
| Mar | 4.87 | 5.43 | -0.56 |
| Apr | 5.26 | 6.11 | -0.85 |
| May | 5.23 | 6.24 | -1.01 |
| Jun | 5.12 | 6.33 | -1.21 |
| Jul | 5.71 | 6.23 | -0.52 |
| Aug | 5.36 | 6.24 | -0.88 |
| Sep | 5.43 | 6.06 | -0.63 |
| Oct | 4.62 | 4.76 | -0.14 |
| Nov | 4.45 | 4.85 | -0.40 |
| Dec | 4.61 | 5.23 | -0.62 |
58.86 | 66.39 | -7.53 |