| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.53 | 0.56 | -0.03 |
| Feb | 0.71 | 0.70 | 0.01 |
| Mar | 1.40 | 1.42 | -0.02 |
| Apr | 2.71 | 2.64 | 0.07 |
| May | 4.42 | 4.50 | -0.08 |
| Jun | 3.94 | 3.75 | 0.19 |
| Jul | 3.63 | 3.65 | -0.02 |
| Aug | 3.21 | 3.32 | -0.11 |
| Sep | 1.98 | 2.05 | -0.07 |
| Oct | 2.06 | 2.06 | 0.00 |
| Nov | 1.15 | 1.13 | 0.02 |
| Dec | 0.79 | 0.81 | -0.02 |
26.53 | 26.59 | -0.06 |