| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.95 | -0.25 |
| Feb | 0.86 | 0.92 | -0.06 |
| Mar | 1.58 | 1.71 | -0.13 |
| Apr | 2.94 | 2.85 | 0.09 |
| May | 4.04 | 4.24 | -0.20 |
| Jun | 4.79 | 5.11 | -0.32 |
| Jul | 3.93 | 3.89 | 0.04 |
| Aug | 3.83 | 4.04 | -0.21 |
| Sep | 3.21 | 3.21 | 0.00 |
| Oct | 2.31 | 2.37 | -0.06 |
| Nov | 1.46 | 1.49 | -0.03 |
| Dec | 1.08 | 1.22 | -0.14 |
30.73 | 32.00 | -1.27 |