| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.20 | 4.67 | 0.53 |
| Feb | 4.58 | 4.81 | -0.23 |
| Mar | 3.84 | 4.11 | -0.27 |
| Apr | 2.21 | 2.33 | -0.12 |
| May | 1.21 | 1.39 | -0.18 |
| Jun | 0.26 | 0.36 | -0.10 |
| Jul | 0.01 | 0.00 | 0.01 |
| Aug | 0.03 | 0.04 | -0.01 |
| Sep | 0.17 | 0.15 | 0.02 |
| Oct | 1.10 | 1.13 | -0.03 |
| Nov | 2.60 | 2.55 | 0.05 |
| Dec | 4.41 | 4.75 | -0.34 |
25.62 | 26.29 | -0.67 |