| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.41 | 5.40 | 0.01 |
| Feb | 4.94 | 5.09 | -0.15 |
| Mar | 5.25 | 5.18 | 0.07 |
| Apr | 4.95 | 4.86 | 0.09 |
| May | 4.17 | 4.86 | -0.69 |
| Jun | 5.19 | 5.37 | -0.18 |
| Jul | 5.16 | 5.40 | -0.24 |
| Aug | 4.99 | 4.45 | 0.54 |
| Sep | 4.15 | 4.48 | -0.33 |
| Oct | 3.64 | 3.50 | 0.14 |
| Nov | 4.51 | 4.71 | -0.20 |
| Dec | 5.85 | 5.93 | -0.08 |
58.21 | 59.23 | -1.02 |