| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.38 | 5.31 | 0.07 |
| Feb | 5.35 | 5.05 | 0.30 |
| Mar | 5.51 | 5.27 | 0.24 |
| Apr | 5.32 | 5.14 | 0.18 |
| May | 4.65 | 4.50 | 0.15 |
| Jun | 4.51 | 4.59 | -0.08 |
| Jul | 5.20 | 4.57 | 0.63 |
| Aug | 3.88 | 3.82 | 0.06 |
| Sep | 3.74 | 3.91 | -0.17 |
| Oct | 3.70 | 3.52 | 0.18 |
| Nov | 4.57 | 4.57 | 0.00 |
| Dec | 6.05 | 5.86 | 0.19 |
57.86 | 56.11 | 1.75 |