| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.78 | 2.24 | -0.46 |
| Feb | 1.67 | 1.61 | 0.06 |
| Mar | 1.47 | 1.59 | -0.12 |
| Apr | 2.12 | 2.05 | 0.07 |
| May | 1.90 | 1.78 | 0.12 |
| Jun | 1.07 | 1.09 | -0.02 |
| Jul | 1.34 | 1.50 | -0.16 |
| Aug | 1.37 | 1.48 | -0.11 |
| Sep | 1.53 | 1.41 | 0.12 |
| Oct | 1.63 | 1.43 | 0.20 |
| Nov | 1.53 | 1.58 | -0.05 |
| Dec | 1.71 | 1.86 | -0.15 |
19.12 | 19.62 | -0.50 |