| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.26 | 0.10 |
| Feb | 0.51 | 0.43 | 0.08 |
| Mar | 1.00 | 0.84 | 0.16 |
| Apr | 1.74 | 1.56 | 0.18 |
| May | 2.57 | 2.67 | -0.10 |
| Jun | 2.25 | 2.37 | -0.12 |
| Jul | 1.92 | 2.03 | -0.11 |
| Aug | 1.45 | 1.70 | -0.25 |
| Sep | 1.44 | 1.52 | -0.08 |
| Oct | 1.10 | 1.01 | 0.09 |
| Nov | 0.60 | 0.55 | 0.05 |
| Dec | 0.50 | 0.43 | 0.07 |
15.44 | 15.37 | 0.07 |