| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.55 | 0.51 | 0.04 |
| Feb | 0.48 | 0.40 | 0.08 |
| Mar | 0.75 | 0.67 | 0.08 |
| Apr | 0.66 | 0.59 | 0.07 |
| May | 0.90 | 1.00 | -0.10 |
| Jun | 1.03 | 1.06 | -0.03 |
| Jul | 2.60 | 2.36 | 0.24 |
| Aug | 2.43 | 2.18 | 0.25 |
| Sep | 1.53 | 1.52 | 0.01 |
| Oct | 1.36 | 1.27 | 0.09 |
| Nov | 0.73 | 0.69 | 0.04 |
| Dec | 0.86 | 0.73 | 0.13 |
13.88 | 12.98 | 0.90 |