| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.61 | -0.04 |
| Feb | 3.08 | 3.07 | 0.01 |
| Mar | 3.93 | 4.06 | -0.13 |
| Apr | 3.71 | 3.83 | -0.12 |
| May | 3.75 | 3.64 | 0.11 |
| Jun | 4.27 | 4.34 | -0.07 |
| Jul | 4.23 | 4.14 | 0.09 |
| Aug | 3.94 | 4.26 | -0.32 |
| Sep | 3.93 | 4.07 | -0.14 |
| Oct | 3.20 | 3.25 | -0.05 |
| Nov | 3.27 | 3.29 | -0.02 |
| Dec | 3.67 | 3.69 | -0.02 |
44.55 | 45.25 | -0.70 |