| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.46 | -0.01 |
| Feb | 0.49 | 0.53 | -0.04 |
| Mar | 1.11 | 1.13 | -0.02 |
| Apr | 1.56 | 1.64 | -0.08 |
| May | 2.46 | 2.70 | -0.24 |
| Jun | 3.14 | 3.04 | 0.10 |
| Jul | 3.16 | 3.16 | 0.00 |
| Aug | 2.77 | 2.79 | -0.02 |
| Sep | 1.36 | 1.34 | 0.02 |
| Oct | 1.50 | 1.42 | 0.08 |
| Nov | 0.55 | 0.52 | 0.03 |
| Dec | 0.63 | 0.74 | -0.11 |
19.18 | 19.47 | -0.29 |