| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.18 | 3.16 | 0.02 |
| Feb | 2.54 | 2.56 | -0.02 |
| Mar | 3.39 | 3.36 | 0.03 |
| Apr | 2.71 | 2.92 | -0.21 |
| May | 4.90 | 4.61 | 0.29 |
| Jun | 3.42 | 3.51 | -0.09 |
| Jul | 1.78 | 1.86 | -0.08 |
| Aug | 2.64 | 2.50 | 0.14 |
| Sep | 3.22 | 3.25 | -0.03 |
| Oct | 4.35 | 4.34 | 0.01 |
| Nov | 3.27 | 3.31 | -0.04 |
| Dec | 3.48 | 3.47 | 0.01 |
38.88 | 38.85 | 0.03 |