| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.33 | 0.31 | 0.02 |
| Feb | 0.52 | 0.49 | 0.03 |
| Mar | 0.95 | 0.92 | 0.03 |
| Apr | 2.07 | 2.06 | 0.01 |
| May | 3.71 | 3.60 | 0.11 |
| Jun | 3.18 | 3.08 | 0.10 |
| Jul | 2.57 | 2.42 | 0.15 |
| Aug | 1.74 | 1.98 | -0.24 |
| Sep | 1.34 | 1.36 | -0.02 |
| Oct | 1.36 | 1.47 | -0.11 |
| Nov | 0.48 | 0.45 | 0.03 |
| Dec | 0.38 | 0.38 | 0.00 |
18.63 | 18.52 | 0.11 |