| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.40 | 0.06 |
| Feb | 2.78 | 2.89 | -0.11 |
| Mar | 4.00 | 3.95 | 0.05 |
| Apr | 3.86 | 3.81 | 0.05 |
| May | 4.01 | 4.10 | -0.09 |
| Jun | 4.26 | 4.27 | -0.01 |
| Jul | 4.98 | 4.76 | 0.22 |
| Aug | 4.53 | 4.50 | 0.03 |
| Sep | 4.60 | 4.57 | 0.03 |
| Oct | 4.18 | 4.30 | -0.12 |
| Nov | 3.31 | 3.32 | -0.01 |
| Dec | 4.22 | 4.43 | -0.21 |
48.19 | 48.30 | -0.11 |