| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.67 | 3.59 | 0.08 |
| Feb | 3.83 | 3.93 | -0.10 |
| Mar | 5.16 | 5.22 | -0.06 |
| Apr | 5.39 | 5.37 | 0.02 |
| May | 5.56 | 5.56 | 0.00 |
| Jun | 3.53 | 3.59 | -0.06 |
| Jul | 3.76 | 3.73 | 0.03 |
| Aug | 3.66 | 3.89 | -0.23 |
| Sep | 3.56 | 3.63 | -0.07 |
| Oct | 4.11 | 4.12 | -0.01 |
| Nov | 5.00 | 4.89 | 0.11 |
| Dec | 4.70 | 4.77 | -0.07 |
51.93 | 52.29 | -0.36 |