| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.46 | 0.48 | -0.02 |
| Feb | 0.54 | 0.58 | -0.04 |
| Mar | 1.23 | 1.30 | -0.07 |
| Apr | 2.10 | 2.06 | 0.04 |
| May | 2.62 | 2.73 | -0.11 |
| Jun | 1.80 | 1.71 | 0.09 |
| Jul | 1.63 | 1.62 | 0.01 |
| Aug | 1.47 | 1.39 | 0.08 |
| Sep | 1.36 | 1.38 | -0.02 |
| Oct | 1.16 | 1.21 | -0.05 |
| Nov | 0.77 | 0.77 | 0.00 |
| Dec | 0.49 | 0.55 | -0.06 |
15.63 | 15.78 | -0.15 |