| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.38 | 5.33 | 0.05 |
| Feb | 5.35 | 5.06 | 0.29 |
| Mar | 5.51 | 5.28 | 0.23 |
| Apr | 5.32 | 5.15 | 0.17 |
| May | 4.65 | 4.51 | 0.14 |
| Jun | 4.51 | 4.59 | -0.08 |
| Jul | 5.20 | 4.59 | 0.61 |
| Aug | 3.88 | 3.83 | 0.05 |
| Sep | 3.74 | 3.91 | -0.17 |
| Oct | 3.70 | 3.53 | 0.17 |
| Nov | 4.57 | 4.57 | 0.00 |
| Dec | 6.05 | 5.87 | 0.18 |
57.86 | 56.22 | 1.64 |