| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.46 | 4.28 | 0.18 |
| Feb | 4.93 | 4.87 | 0.06 |
| Mar | 5.63 | 5.44 | 0.19 |
| Apr | 5.32 | 5.45 | -0.13 |
| May | 5.21 | 5.74 | -0.53 |
| Jun | 4.56 | 4.58 | -0.02 |
| Jul | 4.31 | 4.64 | -0.33 |
| Aug | 3.74 | 3.62 | 0.12 |
| Sep | 3.95 | 3.96 | -0.01 |
| Oct | 3.61 | 3.86 | -0.25 |
| Nov | 4.36 | 4.15 | 0.21 |
| Dec | 5.19 | 5.41 | -0.22 |
55.27 | 56.00 | -0.73 |