| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.46 | 0.50 | -0.04 |
| Feb | 0.55 | 0.52 | 0.03 |
| Mar | 0.86 | 0.90 | -0.04 |
| Apr | 1.37 | 1.45 | -0.08 |
| May | 2.02 | 1.80 | 0.22 |
| Jun | 1.62 | 1.54 | 0.08 |
| Jul | 1.60 | 1.59 | 0.01 |
| Aug | 1.19 | 1.26 | -0.07 |
| Sep | 1.21 | 1.26 | -0.05 |
| Oct | 1.10 | 1.00 | 0.10 |
| Nov | 0.64 | 0.71 | -0.07 |
| Dec | 0.56 | 0.53 | 0.03 |
13.18 | 13.06 | 0.12 |