| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.71 | -0.12 |
| Feb | 3.04 | 3.00 | 0.04 |
| Mar | 4.19 | 4.26 | -0.07 |
| Apr | 3.70 | 3.63 | 0.07 |
| May | 3.68 | 3.62 | 0.06 |
| Jun | 4.28 | 4.12 | 0.16 |
| Jul | 4.63 | 4.54 | 0.09 |
| Aug | 4.42 | 4.22 | 0.20 |
| Sep | 4.96 | 5.04 | -0.08 |
| Oct | 3.41 | 3.47 | -0.06 |
| Nov | 3.34 | 3.32 | 0.02 |
| Dec | 3.57 | 3.60 | -0.03 |
46.81 | 46.53 | 0.28 |