| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.52 | 0.67 | -0.15 |
| Feb | 0.74 | 0.95 | -0.21 |
| Mar | 1.34 | 2.06 | -0.72 |
| Apr | 2.38 | 2.76 | -0.38 |
| May | 2.63 | 3.05 | -0.42 |
| Jun | 1.99 | 2.15 | -0.16 |
| Jul | 2.26 | 2.23 | 0.03 |
| Aug | 1.94 | 1.85 | 0.09 |
| Sep | 1.57 | 1.59 | -0.02 |
| Oct | 1.13 | 1.32 | -0.19 |
| Nov | 0.79 | 0.87 | -0.08 |
| Dec | 0.46 | 0.80 | -0.34 |
17.75 | 20.30 | -2.55 |