| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.68 | 0.03 |
| Feb | 0.79 | 0.75 | 0.04 |
| Mar | 1.46 | 1.46 | 0.00 |
| Apr | 2.48 | 2.55 | -0.07 |
| May | 3.64 | 3.58 | 0.06 |
| Jun | 4.21 | 4.32 | -0.11 |
| Jul | 4.06 | 4.00 | 0.06 |
| Aug | 3.76 | 3.94 | -0.18 |
| Sep | 2.86 | 2.88 | -0.02 |
| Oct | 2.66 | 2.71 | -0.05 |
| Nov | 1.34 | 1.31 | 0.03 |
| Dec | 0.88 | 0.93 | -0.05 |
28.85 | 29.11 | -0.26 |