| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.67 | 3.53 | 0.14 |
| Feb | 3.16 | 3.10 | 0.06 |
| Mar | 4.27 | 4.21 | 0.06 |
| Apr | 4.22 | 4.09 | 0.13 |
| May | 3.99 | 4.07 | -0.08 |
| Jun | 4.57 | 4.51 | 0.06 |
| Jul | 4.30 | 4.54 | -0.24 |
| Aug | 4.42 | 4.79 | -0.37 |
| Sep | 4.63 | 4.63 | 0.00 |
| Oct | 5.12 | 5.20 | -0.08 |
| Nov | 3.97 | 3.92 | 0.05 |
| Dec | 4.51 | 4.64 | -0.13 |
50.83 | 51.23 | -0.40 |