| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.42 | 0.02 |
| Feb | 0.36 | 0.32 | 0.04 |
| Mar | 0.61 | 0.59 | 0.02 |
| Apr | 1.01 | 1.00 | 0.01 |
| May | 2.15 | 2.22 | -0.07 |
| Jun | 3.22 | 3.17 | 0.05 |
| Jul | 2.38 | 2.43 | -0.05 |
| Aug | 1.60 | 1.57 | 0.03 |
| Sep | 1.13 | 1.16 | -0.03 |
| Oct | 0.96 | 0.91 | 0.05 |
| Nov | 0.54 | 0.50 | 0.04 |
| Dec | 0.53 | 0.44 | 0.09 |
14.93 | 14.73 | 0.20 |