| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.40 | 0.01 |
| Feb | 0.63 | 0.55 | 0.08 |
| Mar | 0.88 | 0.86 | 0.02 |
| Apr | 1.72 | 1.51 | 0.21 |
| May | 2.93 | 2.67 | 0.26 |
| Jun | 3.42 | 3.39 | 0.03 |
| Jul | 2.71 | 2.80 | -0.09 |
| Aug | 1.95 | 1.88 | 0.07 |
| Sep | 1.53 | 1.45 | 0.08 |
| Oct | 1.64 | 1.51 | 0.13 |
| Nov | 0.55 | 0.50 | 0.05 |
| Dec | 0.56 | 0.50 | 0.06 |
18.93 | 18.02 | 0.91 |