| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.59 | -0.14 |
| Feb | 3.20 | 3.36 | -0.16 |
| Mar | 3.54 | 3.72 | -0.18 |
| Apr | 3.13 | 3.18 | -0.05 |
| May | 3.93 | 3.92 | 0.01 |
| Jun | 4.97 | 5.07 | -0.10 |
| Jul | 5.91 | 6.45 | -0.54 |
| Aug | 6.29 | 7.14 | -0.85 |
| Sep | 6.07 | 6.62 | -0.55 |
| Oct | 4.02 | 4.50 | -0.48 |
| Nov | 3.21 | 3.24 | -0.03 |
| Dec | 3.75 | 3.67 | 0.08 |
51.47 | 54.46 | -2.99 |