| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.86 | -0.10 |
| Feb | 0.80 | 0.87 | -0.07 |
| Mar | 1.57 | 1.60 | -0.03 |
| Apr | 2.96 | 3.00 | -0.04 |
| May | 4.24 | 4.27 | -0.03 |
| Jun | 4.84 | 4.59 | 0.25 |
| Jul | 4.11 | 4.07 | 0.04 |
| Aug | 4.33 | 4.50 | -0.17 |
| Sep | 3.26 | 3.25 | 0.01 |
| Oct | 2.53 | 2.57 | -0.04 |
| Nov | 1.53 | 1.61 | -0.08 |
| Dec | 1.05 | 1.21 | -0.16 |
31.98 | 32.40 | -0.42 |