| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.41 | -0.05 |
| Feb | 3.21 | 3.53 | -0.32 |
| Mar | 3.50 | 3.68 | -0.18 |
| Apr | 3.07 | 3.00 | 0.07 |
| May | 3.79 | 3.35 | 0.44 |
| Jun | 4.80 | 4.20 | 0.60 |
| Jul | 5.86 | 5.60 | 0.26 |
| Aug | 6.52 | 6.28 | 0.24 |
| Sep | 6.40 | 6.71 | -0.31 |
| Oct | 4.13 | 4.21 | -0.08 |
| Nov | 3.29 | 3.15 | 0.14 |
| Dec | 3.58 | 3.59 | -0.01 |
51.51 | 50.71 | 0.80 |