| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.47 | 0.04 |
| Feb | 0.55 | 0.52 | 0.03 |
| Mar | 0.86 | 0.79 | 0.07 |
| Apr | 1.76 | 1.82 | -0.06 |
| May | 2.78 | 2.62 | 0.16 |
| Jun | 2.80 | 3.01 | -0.21 |
| Jul | 1.57 | 1.53 | 0.04 |
| Aug | 1.11 | 1.12 | -0.01 |
| Sep | 1.25 | 1.27 | -0.02 |
| Oct | 1.33 | 1.25 | 0.08 |
| Nov | 0.61 | 0.62 | -0.01 |
| Dec | 0.54 | 0.57 | -0.03 |
15.67 | 15.59 | 0.08 |