| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.23 | 6.51 | -0.28 |
| Feb | 4.50 | 4.58 | -0.08 |
| Mar | 4.13 | 4.24 | -0.11 |
| Apr | 4.95 | 5.01 | -0.06 |
| May | 5.36 | 5.35 | 0.01 |
| Jun | 6.16 | 6.34 | -0.18 |
| Jul | 5.32 | 5.60 | -0.28 |
| Aug | 5.44 | 5.56 | -0.12 |
| Sep | 4.94 | 5.13 | -0.19 |
| Oct | 4.48 | 5.00 | -0.52 |
| Nov | 4.71 | 4.77 | -0.06 |
| Dec | 5.00 | 4.92 | 0.08 |
61.22 | 63.01 | -1.79 |