| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.67 | 1.52 | 0.15 |
| Feb | 1.65 | 1.57 | 0.08 |
| Mar | 1.51 | 1.59 | -0.08 |
| Apr | 0.40 | 0.45 | -0.05 |
| May | 0.17 | 0.26 | -0.09 |
| Jun | 0.05 | 0.05 | 0.00 |
| Jul | 0.96 | 1.00 | -0.04 |
| Aug | 1.63 | 1.37 | 0.26 |
| Sep | 1.06 | 0.70 | 0.36 |
| Oct | 0.86 | 1.01 | -0.15 |
| Nov | 0.85 | 0.79 | 0.06 |
| Dec | 1.35 | 1.49 | -0.14 |
12.16 | 11.80 | 0.36 |