| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.42 | 0.00 |
| Feb | 0.57 | 0.57 | 0.00 |
| Mar | 1.10 | 1.11 | -0.01 |
| Apr | 2.19 | 2.18 | 0.01 |
| May | 3.26 | 3.10 | 0.16 |
| Jun | 3.57 | 3.67 | -0.10 |
| Jul | 2.34 | 2.67 | -0.33 |
| Aug | 2.04 | 1.93 | 0.11 |
| Sep | 1.53 | 1.55 | -0.02 |
| Oct | 1.46 | 1.57 | -0.11 |
| Nov | 0.64 | 0.65 | -0.01 |
| Dec | 0.47 | 0.49 | -0.02 |
19.59 | 19.91 | -0.32 |