| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.20 | 4.22 | -0.02 |
| Feb | 4.83 | 4.68 | 0.15 |
| Mar | 5.57 | 5.60 | -0.03 |
| Apr | 5.39 | 5.24 | 0.15 |
| May | 5.39 | 5.64 | -0.25 |
| Jun | 4.60 | 4.74 | -0.14 |
| Jul | 4.38 | 4.49 | -0.11 |
| Aug | 3.65 | 3.49 | 0.16 |
| Sep | 3.91 | 3.86 | 0.05 |
| Oct | 3.66 | 3.79 | -0.13 |
| Nov | 4.51 | 4.38 | 0.13 |
| Dec | 5.21 | 5.18 | 0.03 |
55.30 | 55.31 | -0.01 |