| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.86 | 5.29 | -0.43 |
| Feb | 4.38 | 4.77 | -0.39 |
| Mar | 4.79 | 5.02 | -0.23 |
| Apr | 4.66 | 4.97 | -0.31 |
| May | 4.22 | 4.62 | -0.40 |
| Jun | 4.67 | 4.74 | -0.07 |
| Jul | 4.64 | 4.69 | -0.05 |
| Aug | 4.30 | 4.57 | -0.27 |
| Sep | 4.21 | 4.60 | -0.39 |
| Oct | 3.71 | 3.47 | 0.24 |
| Nov | 4.04 | 4.01 | 0.03 |
| Dec | 5.05 | 5.55 | -0.50 |
53.53 | 56.30 | -2.77 |