| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.50 | -0.08 |
| Feb | 0.59 | 0.69 | -0.10 |
| Mar | 0.83 | 0.90 | -0.07 |
| Apr | 1.87 | 1.95 | -0.08 |
| May | 3.06 | 3.15 | -0.09 |
| Jun | 3.47 | 3.58 | -0.11 |
| Jul | 2.58 | 2.63 | -0.05 |
| Aug | 2.21 | 2.37 | -0.16 |
| Sep | 1.71 | 1.67 | 0.04 |
| Oct | 1.73 | 1.81 | -0.08 |
| Nov | 0.54 | 0.63 | -0.09 |
| Dec | 0.45 | 0.53 | -0.08 |
19.46 | 20.41 | -0.95 |