| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.71 | 0.03 |
| Feb | 0.93 | 0.92 | 0.01 |
| Mar | 1.72 | 1.64 | 0.08 |
| Apr | 3.01 | 3.03 | -0.02 |
| May | 4.71 | 4.77 | -0.06 |
| Jun | 4.87 | 4.86 | 0.01 |
| Jul | 3.48 | 3.32 | 0.16 |
| Aug | 3.89 | 3.88 | 0.01 |
| Sep | 3.09 | 2.98 | 0.11 |
| Oct | 2.33 | 2.34 | -0.01 |
| Nov | 1.38 | 1.36 | 0.02 |
| Dec | 1.21 | 1.20 | 0.01 |
31.36 | 31.01 | 0.35 |