The phrase "and fluctuated between" is correct and usable in written English.
It can be used to describe a situation where something varies or changes between two or more states or values.
Example: "The temperature throughout the day fluctuated between 60 and 75 degrees."
Alternatives: "and varied between" or "and oscillated between".
After day 12 all values increased and fluctuated between 0.15 and 0.45.
On 30 March 1986, the basin flow was 1250 cusecs during the summer season, and fluctuated between 451 and 261 cusecs on 30 March 1989 and 1999 respectively.
Patient NPC18 had IgA-VCA titre of 80 before treatment and fluctuated between 40 and 80 during his subsequent visits.
The SAO bacterial quantity was considerably lower than the other two and fluctuated between 10 and 10 gene copies per gram sludge.
Both divergences thus occurred in a time frame during which global temperatures declined and fluctuated between warm and cold phases, providing the environmental setting for the evolution of many species pairs with differential ecological adaptations.
Just under half (49%) of the sample were defined as persistently active (reporting moderate and/or vigorous physical activity at least once a week over all 6 assessment points); 3.7% could be defined as persistently low active (inactive or only light activity over all 6 assessment points); the remainder were inconsistent and fluctuated between the different physical activity categories.
Semen stored at a constant 15°C or fluctuating between 5 and 15°C had greater total motility than semen held at 5 or 28°C or fluctuating between 5 and 28°C; however, semen stored at 15°C and fluctuating between 5 and 15°C did not differ from each other.
As an artist that changes mediums frequently and fluctuates between different realms of artwork, Gronquist tells us, "I wouldn't say there is any thread that necessarily ties all my work together, other that it came from me".
The channels display multiple stable conductance states and fluctuate between open and closed states.
Data reported from Latin América are variable and fluctuate between 0.3-1.15 × 1000 livebirths, with mortality rates ranging from 20 to 60% [ 5, 9, 22– 27].
It now has offices in Red Bank, N.J., and in Washington, and has fluctuated between five and 15 employees depending on work flow.
