| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.42 | 1.55 | -0.13 |
| Feb | 1.42 | 1.59 | -0.17 |
| Mar | 2.12 | 2.16 | -0.04 |
| Apr | 3.67 | 3.78 | -0.11 |
| May | 4.18 | 4.29 | -0.11 |
| Jun | 5.44 | 5.32 | 0.12 |
| Jul | 4.34 | 4.42 | -0.08 |
| Aug | 4.03 | 4.09 | -0.06 |
| Sep | 3.58 | 3.48 | 0.10 |
| Oct | 2.91 | 2.86 | 0.05 |
| Nov | 2.22 | 2.20 | 0.02 |
| Dec | 1.60 | 1.77 | -0.17 |
36.93 | 37.51 | -0.58 |