| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.51 | 0.11 |
| Feb | 0.81 | 0.62 | 0.19 |
| Mar | 1.40 | 1.35 | 0.05 |
| Apr | 2.32 | 2.11 | 0.21 |
| May | 2.67 | 2.45 | 0.22 |
| Jun | 1.74 | 1.58 | 0.16 |
| Jul | 1.81 | 1.73 | 0.08 |
| Aug | 1.59 | 1.56 | 0.03 |
| Sep | 1.34 | 1.34 | 0.00 |
| Oct | 1.19 | 1.13 | 0.06 |
| Nov | 0.93 | 0.79 | 0.14 |
| Dec | 0.57 | 0.53 | 0.04 |
16.99 | 15.70 | 1.29 |