| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.92 | 5.72 | 0.20 |
| Feb | 5.06 | 4.90 | 0.16 |
| Mar | 5.53 | 5.35 | 0.18 |
| Apr | 5.14 | 4.80 | 0.34 |
| May | 4.81 | 4.80 | 0.01 |
| Jun | 5.93 | 5.04 | 0.89 |
| Jul | 6.02 | 5.26 | 0.76 |
| Aug | 6.63 | 5.92 | 0.71 |
| Sep | 5.51 | 5.05 | 0.46 |
| Oct | 4.64 | 4.53 | 0.11 |
| Nov | 5.02 | 4.69 | 0.33 |
| Dec | 6.26 | 5.99 | 0.27 |
66.47 | 62.05 | 4.42 |