| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.66 | 2.75 | -0.09 |
| Feb | 2.24 | 2.30 | -0.06 |
| Mar | 2.71 | 2.93 | -0.22 |
| Apr | 3.23 | 3.20 | 0.03 |
| May | 3.59 | 3.60 | -0.01 |
| Jun | 4.36 | 4.57 | -0.21 |
| Jul | 4.31 | 4.65 | -0.34 |
| Aug | 4.21 | 4.19 | 0.02 |
| Sep | 4.12 | 3.85 | 0.27 |
| Oct | 4.04 | 4.11 | -0.07 |
| Nov | 3.00 | 2.95 | 0.05 |
| Dec | 3.27 | 3.41 | -0.14 |
41.74 | 42.51 | -0.77 |