| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.48 | 0.56 | -0.08 |
| Feb | 0.42 | 0.43 | -0.01 |
| Mar | 0.22 | 0.35 | -0.13 |
| Apr | 0.15 | 0.24 | -0.09 |
| May | 0.40 | 0.62 | -0.22 |
| Jun | 0.65 | 0.64 | 0.01 |
| Jul | 2.20 | 2.39 | -0.19 |
| Aug | 1.85 | 2.46 | -0.61 |
| Sep | 1.48 | 1.60 | -0.12 |
| Oct | 0.87 | 0.95 | -0.08 |
| Nov | 0.45 | 0.48 | -0.03 |
| Dec | 0.63 | 0.79 | -0.16 |
9.80 | 11.51 | -1.71 |