| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.70 | -0.11 |
| Feb | 3.15 | 3.22 | -0.07 |
| Mar | 3.89 | 4.13 | -0.24 |
| Apr | 3.64 | 3.63 | 0.01 |
| May | 3.48 | 3.47 | 0.01 |
| Jun | 4.15 | 4.16 | -0.01 |
| Jul | 3.79 | 3.74 | 0.05 |
| Aug | 4.07 | 4.14 | -0.07 |
| Sep | 3.71 | 3.77 | -0.06 |
| Oct | 3.12 | 3.19 | -0.07 |
| Nov | 3.22 | 3.29 | -0.07 |
| Dec | 3.62 | 3.77 | -0.15 |
43.43 | 44.21 | -0.78 |